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Comparing libev/ev.c (file contents):
Revision 1.418 by root, Mon Apr 2 23:14:41 2012 UTC vs.
Revision 1.464 by root, Fri Mar 21 16:41:04 2014 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012 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	*
…		…
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
…		…
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	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
246	/* to make it compile regardless, just remove the above line, */
247	/* but consider reporting it, too! :) */
248	# define EV_NSIG 65
249	#endif	247	#endif
250		248
251	#ifndef EV_USE_FLOOR	249	#ifndef EV_USE_FLOOR
252	# define EV_USE_FLOOR 0	250	# define EV_USE_FLOOR 0
253	#endif	251	#endif
254		252
255	#ifndef EV_USE_CLOCK_SYSCALL	253	#ifndef EV_USE_CLOCK_SYSCALL
256	# if __linux && __GLIBC__ >= 2	254	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
257	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	255	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
258	# else	256	# else
259	# define EV_USE_CLOCK_SYSCALL 0	257	# define EV_USE_CLOCK_SYSCALL 0
260	# endif	258	# endif
261	#endif	259	#endif
…		…
356		354
357	#ifndef EV_HEAP_CACHE_AT	355	#ifndef EV_HEAP_CACHE_AT
358	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
359	#endif	357	#endif
360		358
		359	#ifdef ANDROID
		360	/* supposedly, android doesn't typedef fd_mask */
		361	# undef EV_USE_SELECT
		362	# define EV_USE_SELECT 0
		363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		364	# undef EV_USE_CLOCK_SYSCALL
		365	# define EV_USE_CLOCK_SYSCALL 0
		366	#endif
		367
		368	/* aix's poll.h seems to cause lots of trouble */
		369	#ifdef _AIX
		370	/* AIX has a completely broken poll.h header */
		371	# undef EV_USE_POLL
		372	# define EV_USE_POLL 0
		373	#endif
		374
361	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	375	/* 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. */	376	/* which makes programs even slower. might work on other unices, too. */
363	#if EV_USE_CLOCK_SYSCALL	377	#if EV_USE_CLOCK_SYSCALL
364	# include <syscall.h>	378	# include <sys/syscall.h>
365	# ifdef SYS_clock_gettime	379	# ifdef SYS_clock_gettime
366	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
367	# undef EV_USE_MONOTONIC	381	# undef EV_USE_MONOTONIC
368	# define EV_USE_MONOTONIC 1	382	# define EV_USE_MONOTONIC 1
369	# else	383	# else
…		…
372	# endif	386	# endif
373	#endif	387	#endif
374		388
375	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	389	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
376		390
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	391	#ifndef CLOCK_MONOTONIC
384	# undef EV_USE_MONOTONIC	392	# undef EV_USE_MONOTONIC
385	# define EV_USE_MONOTONIC 0	393	# define EV_USE_MONOTONIC 0
386	#endif	394	#endif
387		395
…		…
408	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	416	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
409	# ifndef IN_DONT_FOLLOW	417	# ifndef IN_DONT_FOLLOW
410	# undef EV_USE_INOTIFY	418	# undef EV_USE_INOTIFY
411	# define EV_USE_INOTIFY 0	419	# define EV_USE_INOTIFY 0
412	# endif	420	# endif
413	#endif
414
415	#if EV_SELECT_IS_WINSOCKET
416	# include <winsock.h>
417	#endif	421	#endif
418		422
419	#if EV_USE_EVENTFD	423	#if EV_USE_EVENTFD
420	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	424	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
421	# include <stdint.h>	425	# include <stdint.h>
…		…
478	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
479	/* ECB.H BEGIN */	483	/* ECB.H BEGIN */
480	/*	484	/*
481	* libecb - http://software.schmorp.de/pkg/libecb	485	* libecb - http://software.schmorp.de/pkg/libecb
482	*	486	*
483	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>	487	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>
484	* Copyright (©) 2011 Emanuele Giaquinta	488	* Copyright (©) 2011 Emanuele Giaquinta
485	* All rights reserved.	489	* All rights reserved.
486	*	490	*
487	* Redistribution and use in source and binary forms, with or without modifica-	491	* Redistribution and use in source and binary forms, with or without modifica-
488	* tion, are permitted provided that the following conditions are met:	492	* tion, are permitted provided that the following conditions are met:
…		…
507	*/	511	*/
508		512
509	#ifndef ECB_H	513	#ifndef ECB_H
510	#define ECB_H	514	#define ECB_H
511		515
		516	/* 16 bits major, 16 bits minor */
		517	#define ECB_VERSION 0x00010003
		518
512	#ifdef _WIN32	519	#ifdef _WIN32
513	typedef signed char int8_t;	520	typedef signed char int8_t;
514	typedef unsigned char uint8_t;	521	typedef unsigned char uint8_t;
515	typedef signed short int16_t;	522	typedef signed short int16_t;
516	typedef unsigned short uint16_t;	523	typedef unsigned short uint16_t;
…		…
521	typedef unsigned long long uint64_t;	528	typedef unsigned long long uint64_t;
522	#else /* _MSC_VER || __BORLANDC__ */	529	#else /* _MSC_VER || __BORLANDC__ */
523	typedef signed __int64 int64_t;	530	typedef signed __int64 int64_t;
524	typedef unsigned __int64 uint64_t;	531	typedef unsigned __int64 uint64_t;
525	#endif	532	#endif
		533	#ifdef _WIN64
		534	#define ECB_PTRSIZE 8
		535	typedef uint64_t uintptr_t;
		536	typedef int64_t intptr_t;
		537	#else
		538	#define ECB_PTRSIZE 4
		539	typedef uint32_t uintptr_t;
		540	typedef int32_t intptr_t;
		541	#endif
526	#else	542	#else
527	#include <inttypes.h>	543	#include <inttypes.h>
		544	#if UINTMAX_MAX > 0xffffffffU
		545	#define ECB_PTRSIZE 8
		546	#else
		547	#define ECB_PTRSIZE 4
		548	#endif
		549	#endif
		550
		551	/* work around x32 idiocy by defining proper macros */
		552	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64
		553	#if _ILP32
		554	#define ECB_AMD64_X32 1
		555	#else
		556	#define ECB_AMD64 1
		557	#endif
528	#endif	558	#endif
529		559
530	/* many compilers define _GNUC_ to some versions but then only implement	560	/* many compilers define _GNUC_ to some versions but then only implement
531	* what their idiot authors think are the "more important" extensions,	561	* what their idiot authors think are the "more important" extensions,
532	* causing enormous grief in return for some better fake benchmark numbers.	562	* causing enormous grief in return for some better fake benchmark numbers.
…		…
540	#else	570	#else
541	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	571	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
542	#endif	572	#endif
543	#endif	573	#endif
544		574
		575	#define ECB_CPP (__cplusplus+0)
		576	#define ECB_CPP11 (__cplusplus >= 201103L)
		577
		578	#if ECB_CPP
		579	#define ECB_C 0
		580	#define ECB_STDC_VERSION 0
		581	#else
		582	#define ECB_C 1
		583	#define ECB_STDC_VERSION __STDC_VERSION__
		584	#endif
		585
		586	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		587	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		588
		589	#if ECB_CPP
		590	#define ECB_EXTERN_C extern "C"
		591	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		592	#define ECB_EXTERN_C_END }
		593	#else
		594	#define ECB_EXTERN_C extern
		595	#define ECB_EXTERN_C_BEG
		596	#define ECB_EXTERN_C_END
		597	#endif
		598
545	/*****************************************************************************/	599	/*****************************************************************************/
546		600
547	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	601	/* 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 */	602	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
549		603
550	#if ECB_NO_THREADS	604	#if ECB_NO_THREADS
551	# define ECB_NO_SMP 1	605	#define ECB_NO_SMP 1
552	#endif	606	#endif
553		607
554	#if ECB_NO_THREADS || ECB_NO_SMP	608	#if ECB_NO_SMP
555	#define ECB_MEMORY_FENCE do { } while (0)	609	#define ECB_MEMORY_FENCE do { } while (0)
556	#endif	610	#endif
557		611
558	#ifndef ECB_MEMORY_FENCE	612	#ifndef ECB_MEMORY_FENCE
559	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	613	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560	#if __i386 || __i386__	614	#if __i386 || __i386__
561	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	615	#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 */	616	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
563	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	617	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
564	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	618	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	619	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	620	#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 */	621	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
568	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	622	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	624	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	625	|| 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")	626	#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__ \	627	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	628	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	629	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		630	#elif __aarch64__
		631	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
576	#elif __sparc || __sparc__	632	#elif (__sparc || __sparc__) && !__sparcv8
577	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")	633	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
578	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	634	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	635	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580	#elif defined __s390__ || defined __s390x__	636	#elif defined __s390__ || defined __s390x__
581	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	637	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
582	#elif defined __mips__	638	#elif defined __mips__
		639	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		640	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		641	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		642	#elif defined __alpha__
583	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	643	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		644	#elif defined __hppa__
		645	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		646	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		647	#elif defined __ia64__
		648	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		649	#elif defined __m68k__
		650	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		651	#elif defined __m88k__
		652	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		653	#elif defined __sh__
		654	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
584	#endif	655	#endif
585	#endif	656	#endif
586	#endif	657	#endif
587		658
588	#ifndef ECB_MEMORY_FENCE	659	#ifndef ECB_MEMORY_FENCE
		660	#if ECB_GCC_VERSION(4,7)
		661	/* see comment below (stdatomic.h) about the C11 memory model. */
		662	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		663	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		664	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		665
		666	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		667	* without risking compile time errors with other compilers. We *could*
		668	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		669	* around this shit time and again.
		670	* #elif defined __clang && __has_feature (cxx_atomic)
		671	* // see comment below (stdatomic.h) about the C11 memory model.
		672	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		673	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		674	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		675	*/
		676
589	#if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	677	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
590	#define ECB_MEMORY_FENCE __sync_synchronize ()	678	#define ECB_MEMORY_FENCE __sync_synchronize ()
591	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */	679	#elif _MSC_VER >= 1500 /* VC++ 2008 */
592	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */	680	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		681	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		682	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		683	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		684	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
593	#elif _MSC_VER >= 1400 /* VC++ 2005 */	685	#elif _MSC_VER >= 1400 /* VC++ 2005 */
594	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	686	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
595	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	687	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
596	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	688	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
597	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	689	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
…		…
607	#define ECB_MEMORY_FENCE __sync ()	699	#define ECB_MEMORY_FENCE __sync ()
608	#endif	700	#endif
609	#endif	701	#endif
610		702
611	#ifndef ECB_MEMORY_FENCE	703	#ifndef ECB_MEMORY_FENCE
		704	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		705	/* we assume that these memory fences work on all variables/all memory accesses, */
		706	/* not just C11 atomics and atomic accesses */
		707	#include <stdatomic.h>
		708	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		709	/* any fence other than seq_cst, which isn't very efficient for us. */
		710	/* Why that is, we don't know - either the C11 memory model is quite useless */
		711	/* for most usages, or gcc and clang have a bug */
		712	/* I *currently* lean towards the latter, and inefficiently implement */
		713	/* all three of ecb's fences as a seq_cst fence */
		714	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		715	/* for all __atomic_thread_fence's except seq_cst */
		716	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		717	#endif
		718	#endif
		719
		720	#ifndef ECB_MEMORY_FENCE
612	#if !ECB_AVOID_PTHREADS	721	#if !ECB_AVOID_PTHREADS
613	/*	722	/*
614	* if you get undefined symbol references to pthread_mutex_lock,	723	* if you get undefined symbol references to pthread_mutex_lock,
615	* or failure to find pthread.h, then you should implement	724	* or failure to find pthread.h, then you should implement
616	* the ECB_MEMORY_FENCE operations for your cpu/compiler	725	* the ECB_MEMORY_FENCE operations for your cpu/compiler
…		…
634	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	743	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
635	#endif	744	#endif
636		745
637	/*****************************************************************************/	746	/*****************************************************************************/
638		747
639	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
640
641	#if __cplusplus	748	#if __cplusplus
642	#define ecb_inline static inline	749	#define ecb_inline static inline
643	#elif ECB_GCC_VERSION(2,5)	750	#elif ECB_GCC_VERSION(2,5)
644	#define ecb_inline static __inline__	751	#define ecb_inline static __inline__
645	#elif ECB_C99	752	#elif ECB_C99
…		…
670	#define ecb_is_constant(expr) __builtin_constant_p (expr)	777	#define ecb_is_constant(expr) __builtin_constant_p (expr)
671	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	778	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
672	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	779	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
673	#else	780	#else
674	#define ecb_attribute(attrlist)	781	#define ecb_attribute(attrlist)
		782
		783	/* possible C11 impl for integral types
		784	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		785	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		786
675	#define ecb_is_constant(expr) 0	787	#define ecb_is_constant(expr) 0
676	#define ecb_expect(expr,value) (expr)	788	#define ecb_expect(expr,value) (expr)
677	#define ecb_prefetch(addr,rw,locality)	789	#define ecb_prefetch(addr,rw,locality)
678	#endif	790	#endif
679		791
…		…
683	#elif ECB_GCC_VERSION(3,0)	795	#elif ECB_GCC_VERSION(3,0)
684	#define ecb_decltype(x) __typeof(x)	796	#define ecb_decltype(x) __typeof(x)
685	#endif	797	#endif
686		798
687	#define ecb_noinline ecb_attribute ((__noinline__))	799	#define ecb_noinline ecb_attribute ((__noinline__))
688	#define ecb_noreturn ecb_attribute ((__noreturn__))
689	#define ecb_unused ecb_attribute ((__unused__))	800	#define ecb_unused ecb_attribute ((__unused__))
690	#define ecb_const ecb_attribute ((__const__))	801	#define ecb_const ecb_attribute ((__const__))
691	#define ecb_pure ecb_attribute ((__pure__))	802	#define ecb_pure ecb_attribute ((__pure__))
		803
		804	#if ECB_C11
		805	#define ecb_noreturn _Noreturn
		806	#else
		807	#define ecb_noreturn ecb_attribute ((__noreturn__))
		808	#endif
692		809
693	#if ECB_GCC_VERSION(4,3)	810	#if ECB_GCC_VERSION(4,3)
694	#define ecb_artificial ecb_attribute ((__artificial__))	811	#define ecb_artificial ecb_attribute ((__artificial__))
695	#define ecb_hot ecb_attribute ((__hot__))	812	#define ecb_hot ecb_attribute ((__hot__))
696	#define ecb_cold ecb_attribute ((__cold__))	813	#define ecb_cold ecb_attribute ((__cold__))
…		…
787		904
788	return r + ecb_ld32 (x);	905	return r + ecb_ld32 (x);
789	}	906	}
790	#endif	907	#endif
791		908
		909	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		910	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		911	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		912	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		913
792	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	914	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
793	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	915	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
794	{	916	{
795	return ( (x * 0x0802U & 0x22110U)	917	return ( (x * 0x0802U & 0x22110U)
796	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	918	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
…		…
880	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1002	ecb_inline void ecb_unreachable (void) ecb_noreturn;
881	ecb_inline void ecb_unreachable (void) { }	1003	ecb_inline void ecb_unreachable (void) { }
882	#endif	1004	#endif
883		1005
884	/* try to tell the compiler that some condition is definitely true */	1006	/* try to tell the compiler that some condition is definitely true */
885	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	1007	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
886		1008
887	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1009	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
888	ecb_inline unsigned char	1010	ecb_inline unsigned char
889	ecb_byteorder_helper (void)	1011	ecb_byteorder_helper (void)
890	{	1012	{
891	const uint32_t u = 0x11223344;	1013	/* the union code still generates code under pressure in gcc, */
892	return *(unsigned char *)&u;	1014	/* but less than using pointers, and always seems to */
		1015	/* successfully return a constant. */
		1016	/* the reason why we have this horrible preprocessor mess */
		1017	/* is to avoid it in all cases, at least on common architectures */
		1018	/* or when using a recent enough gcc version (>= 4.6) */
		1019	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		1020	return 0x44;
		1021	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		1022	return 0x44;
		1023	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1024	return 0x11;
		1025	#else
		1026	union
		1027	{
		1028	uint32_t i;
		1029	uint8_t c;
		1030	} u = { 0x11223344 };
		1031	return u.c;
		1032	#endif
893	}	1033	}
894		1034
895	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1035	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
896	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1036	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
897	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1037	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
…		…
928	}	1068	}
929	#else	1069	#else
930	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1070	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
931	#endif	1071	#endif
932		1072
		1073	/*******************************************************************************/
		1074	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1075
		1076	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1077	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1078	#if 0 \
		1079	|| __i386 || __i386__ \
		1080	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1081	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1082	|| defined __arm__ && defined __ARM_EABI__ \
		1083	|| defined __s390__ || defined __s390x__ \
		1084	|| defined __mips__ \
		1085	|| defined __alpha__ \
		1086	|| defined __hppa__ \
		1087	|| defined __ia64__ \
		1088	|| defined __m68k__ \
		1089	|| defined __m88k__ \
		1090	|| defined __sh__ \
		1091	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \
		1092	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__))
		1093	#define ECB_STDFP 1
		1094	#include <string.h> /* for memcpy */
		1095	#else
		1096	#define ECB_STDFP 0
		1097	#endif
		1098
		1099	#ifndef ECB_NO_LIBM
		1100
		1101	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1102
		1103	/* only the oldest of old doesn't have this one. solaris. */
		1104	#ifdef INFINITY
		1105	#define ECB_INFINITY INFINITY
		1106	#else
		1107	#define ECB_INFINITY HUGE_VAL
		1108	#endif
		1109
		1110	#ifdef NAN
		1111	#define ECB_NAN NAN
		1112	#else
		1113	#define ECB_NAN ECB_INFINITY
		1114	#endif
		1115
		1116	/* converts an ieee half/binary16 to a float */
		1117	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
		1118	ecb_function_ float
		1119	ecb_binary16_to_float (uint16_t x)
		1120	{
		1121	int e = (x >> 10) & 0x1f;
		1122	int m = x & 0x3ff;
		1123	float r;
		1124
		1125	if (!e ) r = ldexpf (m , -24);
		1126	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
		1127	else if (m ) r = ECB_NAN;
		1128	else r = ECB_INFINITY;
		1129
		1130	return x & 0x8000 ? -r : r;
		1131	}
		1132
		1133	/* convert a float to ieee single/binary32 */
		1134	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1135	ecb_function_ uint32_t
		1136	ecb_float_to_binary32 (float x)
		1137	{
		1138	uint32_t r;
		1139
		1140	#if ECB_STDFP
		1141	memcpy (&r, &x, 4);
		1142	#else
		1143	/* slow emulation, works for anything but -0 */
		1144	uint32_t m;
		1145	int e;
		1146
		1147	if (x == 0e0f ) return 0x00000000U;
		1148	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1149	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1150	if (x != x ) return 0x7fbfffffU;
		1151
		1152	m = frexpf (x, &e) * 0x1000000U;
		1153
		1154	r = m & 0x80000000U;
		1155
		1156	if (r)
		1157	m = -m;
		1158
		1159	if (e <= -126)
		1160	{
		1161	m &= 0xffffffU;
		1162	m >>= (-125 - e);
		1163	e = -126;
		1164	}
		1165
		1166	r |= (e + 126) << 23;
		1167	r |= m & 0x7fffffU;
		1168	#endif
		1169
		1170	return r;
		1171	}
		1172
		1173	/* converts an ieee single/binary32 to a float */
		1174	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1175	ecb_function_ float
		1176	ecb_binary32_to_float (uint32_t x)
		1177	{
		1178	float r;
		1179
		1180	#if ECB_STDFP
		1181	memcpy (&r, &x, 4);
		1182	#else
		1183	/* emulation, only works for normals and subnormals and +0 */
		1184	int neg = x >> 31;
		1185	int e = (x >> 23) & 0xffU;
		1186
		1187	x &= 0x7fffffU;
		1188
		1189	if (e)
		1190	x |= 0x800000U;
		1191	else
		1192	e = 1;
		1193
		1194	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1195	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1196
		1197	r = neg ? -r : r;
		1198	#endif
		1199
		1200	return r;
		1201	}
		1202
		1203	/* convert a double to ieee double/binary64 */
		1204	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1205	ecb_function_ uint64_t
		1206	ecb_double_to_binary64 (double x)
		1207	{
		1208	uint64_t r;
		1209
		1210	#if ECB_STDFP
		1211	memcpy (&r, &x, 8);
		1212	#else
		1213	/* slow emulation, works for anything but -0 */
		1214	uint64_t m;
		1215	int e;
		1216
		1217	if (x == 0e0 ) return 0x0000000000000000U;
		1218	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1219	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1220	if (x != x ) return 0X7ff7ffffffffffffU;
		1221
		1222	m = frexp (x, &e) * 0x20000000000000U;
		1223
		1224	r = m & 0x8000000000000000;;
		1225
		1226	if (r)
		1227	m = -m;
		1228
		1229	if (e <= -1022)
		1230	{
		1231	m &= 0x1fffffffffffffU;
		1232	m >>= (-1021 - e);
		1233	e = -1022;
		1234	}
		1235
		1236	r |= ((uint64_t)(e + 1022)) << 52;
		1237	r |= m & 0xfffffffffffffU;
		1238	#endif
		1239
		1240	return r;
		1241	}
		1242
		1243	/* converts an ieee double/binary64 to a double */
		1244	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1245	ecb_function_ double
		1246	ecb_binary64_to_double (uint64_t x)
		1247	{
		1248	double r;
		1249
		1250	#if ECB_STDFP
		1251	memcpy (&r, &x, 8);
		1252	#else
		1253	/* emulation, only works for normals and subnormals and +0 */
		1254	int neg = x >> 63;
		1255	int e = (x >> 52) & 0x7ffU;
		1256
		1257	x &= 0xfffffffffffffU;
		1258
		1259	if (e)
		1260	x |= 0x10000000000000U;
		1261	else
		1262	e = 1;
		1263
		1264	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1265	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1266
		1267	r = neg ? -r : r;
		1268	#endif
		1269
		1270	return r;
		1271	}
		1272
		1273	#endif
		1274
933	#endif	1275	#endif
934		1276
935	/* ECB.H END */	1277	/* ECB.H END */
936		1278
937	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1279	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
1103	{	1445	{
1104	write (STDERR_FILENO, msg, strlen (msg));	1446	write (STDERR_FILENO, msg, strlen (msg));
1105	}	1447	}
1106	#endif	1448	#endif
1107		1449
1108	static void (*syserr_cb)(const char *msg);	1450	static void (*syserr_cb)(const char *msg) EV_THROW;
1109		1451
1110	void ecb_cold	1452	void ecb_cold
1111	ev_set_syserr_cb (void (*cb)(const char *msg))	1453	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1112	{	1454	{
1113	syserr_cb = cb;	1455	syserr_cb = cb;
1114	}	1456	}
1115		1457
1116	static void noinline ecb_cold	1458	static void noinline ecb_cold
…		…
1134	abort ();	1476	abort ();
1135	}	1477	}
1136	}	1478	}
1137		1479
1138	static void *	1480	static void *
1139	ev_realloc_emul (void *ptr, long size)	1481	ev_realloc_emul (void *ptr, long size) EV_THROW
1140	{	1482	{
1141	#if __GLIBC__
1142	return realloc (ptr, size);
1143	#else
1144	/* some systems, notably openbsd and darwin, fail to properly	1483	/* some systems, notably openbsd and darwin, fail to properly
1145	* implement realloc (x, 0) (as required by both ansi c-89 and	1484	* implement realloc (x, 0) (as required by both ansi c-89 and
1146	* the single unix specification, so work around them here.	1485	* the single unix specification, so work around them here.
		1486	* recently, also (at least) fedora and debian started breaking it,
		1487	* despite documenting it otherwise.
1147	*/	1488	*/
1148		1489
1149	if (size)	1490	if (size)
1150	return realloc (ptr, size);	1491	return realloc (ptr, size);
1151		1492
1152	free (ptr);	1493	free (ptr);
1153	return 0;	1494	return 0;
1154	#endif
1155	}	1495	}
1156		1496
1157	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1497	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1158		1498
1159	void ecb_cold	1499	void ecb_cold
1160	ev_set_allocator (void *(*cb)(void *ptr, long size))	1500	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1161	{	1501	{
1162	alloc = cb;	1502	alloc = cb;
1163	}	1503	}
1164		1504
1165	inline_speed void *	1505	inline_speed void *
…		…
1282		1622
1283	/*****************************************************************************/	1623	/*****************************************************************************/
1284		1624
1285	#ifndef EV_HAVE_EV_TIME	1625	#ifndef EV_HAVE_EV_TIME
1286	ev_tstamp	1626	ev_tstamp
1287	ev_time (void)	1627	ev_time (void) EV_THROW
1288	{	1628	{
1289	#if EV_USE_REALTIME	1629	#if EV_USE_REALTIME
1290	if (expect_true (have_realtime))	1630	if (expect_true (have_realtime))
1291	{	1631	{
1292	struct timespec ts;	1632	struct timespec ts;
…		…
1316	return ev_time ();	1656	return ev_time ();
1317	}	1657	}
1318		1658
1319	#if EV_MULTIPLICITY	1659	#if EV_MULTIPLICITY
1320	ev_tstamp	1660	ev_tstamp
1321	ev_now (EV_P)	1661	ev_now (EV_P) EV_THROW
1322	{	1662	{
1323	return ev_rt_now;	1663	return ev_rt_now;
1324	}	1664	}
1325	#endif	1665	#endif
1326		1666
1327	void	1667	void
1328	ev_sleep (ev_tstamp delay)	1668	ev_sleep (ev_tstamp delay) EV_THROW
1329	{	1669	{
1330	if (delay > 0.)	1670	if (delay > 0.)
1331	{	1671	{
1332	#if EV_USE_NANOSLEEP	1672	#if EV_USE_NANOSLEEP
1333	struct timespec ts;	1673	struct timespec ts;
…		…
1414	pendingcb (EV_P_ ev_prepare *w, int revents)	1754	pendingcb (EV_P_ ev_prepare *w, int revents)
1415	{	1755	{
1416	}	1756	}
1417		1757
1418	void noinline	1758	void noinline
1419	ev_feed_event (EV_P_ void *w, int revents)	1759	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1420	{	1760	{
1421	W w_ = (W)w;	1761	W w_ = (W)w;
1422	int pri = ABSPRI (w_);	1762	int pri = ABSPRI (w_);
1423		1763
1424	if (expect_false (w_->pending))	1764	if (expect_false (w_->pending))
…		…
1428	w_->pending = ++pendingcnt [pri];	1768	w_->pending = ++pendingcnt [pri];
1429	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1769	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1430	pendings [pri][w_->pending - 1].w = w_;	1770	pendings [pri][w_->pending - 1].w = w_;
1431	pendings [pri][w_->pending - 1].events = revents;	1771	pendings [pri][w_->pending - 1].events = revents;
1432	}	1772	}
		1773
		1774	pendingpri = NUMPRI - 1;
1433	}	1775	}
1434		1776
1435	inline_speed void	1777	inline_speed void
1436	feed_reverse (EV_P_ W w)	1778	feed_reverse (EV_P_ W w)
1437	{	1779	{
…		…
1483	if (expect_true (!anfd->reify))	1825	if (expect_true (!anfd->reify))
1484	fd_event_nocheck (EV_A_ fd, revents);	1826	fd_event_nocheck (EV_A_ fd, revents);
1485	}	1827	}
1486		1828
1487	void	1829	void
1488	ev_feed_fd_event (EV_P_ int fd, int revents)	1830	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1489	{	1831	{
1490	if (fd >= 0 && fd < anfdmax)	1832	if (fd >= 0 && fd < anfdmax)
1491	fd_event_nocheck (EV_A_ fd, revents);	1833	fd_event_nocheck (EV_A_ fd, revents);
1492	}	1834	}
1493		1835
…		…
1812	static void noinline ecb_cold	2154	static void noinline ecb_cold
1813	evpipe_init (EV_P)	2155	evpipe_init (EV_P)
1814	{	2156	{
1815	if (!ev_is_active (&pipe_w))	2157	if (!ev_is_active (&pipe_w))
1816	{	2158	{
		2159	int fds [2];
		2160
1817	# if EV_USE_EVENTFD	2161	# if EV_USE_EVENTFD
		2162	fds [0] = -1;
1818	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2163	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1819	if (evfd < 0 && errno == EINVAL)	2164	if (fds [1] < 0 && errno == EINVAL)
1820	evfd = eventfd (0, 0);	2165	fds [1] = eventfd (0, 0);
1821		2166
1822	if (evfd >= 0)	2167	if (fds [1] < 0)
		2168	# endif
1823	{	2169	{
		2170	while (pipe (fds))
		2171	ev_syserr ("(libev) error creating signal/async pipe");
		2172
		2173	fd_intern (fds [0]);
		2174	}
		2175
1824	evpipe [0] = -1;	2176	evpipe [0] = fds [0];
1825	fd_intern (evfd); /* doing it twice doesn't hurt */	2177
1826	ev_io_set (&pipe_w, evfd, EV_READ);	2178	if (evpipe [1] < 0)
		2179	evpipe [1] = fds [1]; /* first call, set write fd */
		2180	else
		2181	{
		2182	/* on subsequent calls, do not change evpipe [1] */
		2183	/* so that evpipe_write can always rely on its value. */
		2184	/* this branch does not do anything sensible on windows, */
		2185	/* so must not be executed on windows */
		2186
		2187	dup2 (fds [1], evpipe [1]);
		2188	close (fds [1]);
		2189	}
		2190
		2191	fd_intern (evpipe [1]);
		2192
		2193	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2194	ev_io_start (EV_A_ &pipe_w);
		2195	ev_unref (EV_A); /* watcher should not keep loop alive */
		2196	}
		2197	}
		2198
		2199	inline_speed void
		2200	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2201	{
		2202	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2203
		2204	if (expect_true (*flag))
		2205	return;
		2206
		2207	*flag = 1;
		2208	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2209
		2210	pipe_write_skipped = 1;
		2211
		2212	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2213
		2214	if (pipe_write_wanted)
		2215	{
		2216	int old_errno;
		2217
		2218	pipe_write_skipped = 0;
		2219	ECB_MEMORY_FENCE_RELEASE;
		2220
		2221	old_errno = errno; /* save errno because write will clobber it */
		2222
		2223	#if EV_USE_EVENTFD
		2224	if (evpipe [0] < 0)
		2225	{
		2226	uint64_t counter = 1;
		2227	write (evpipe [1], &counter, sizeof (uint64_t));
1827	}	2228	}
1828	else	2229	else
1829	# endif	2230	#endif
1830	{	2231	{
1831	while (pipe (evpipe))	2232	#ifdef _WIN32
1832	ev_syserr ("(libev) error creating signal/async pipe");	2233	WSABUF buf;
1833		2234	DWORD sent;
1834	fd_intern (evpipe [0]);	2235	buf.buf = &buf;
1835	fd_intern (evpipe [1]);	2236	buf.len = 1;
1836	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2237	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1837	}	2238	#else
1838
1839	ev_io_start (EV_A_ &pipe_w);
1840	ev_unref (EV_A); /* watcher should not keep loop alive */
1841	}
1842	}
1843
1844	inline_speed void
1845	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1846	{
1847	if (expect_true (*flag))
1848	return;
1849
1850	*flag = 1;
1851
1852	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1853
1854	pipe_write_skipped = 1;
1855
1856	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1857
1858	if (pipe_write_wanted)
1859	{
1860	int old_errno;
1861
1862	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1863
1864	old_errno = errno; /* save errno because write will clobber it */
1865
1866	#if EV_USE_EVENTFD
1867	if (evfd >= 0)
1868	{
1869	uint64_t counter = 1;
1870	write (evfd, &counter, sizeof (uint64_t));
1871	}
1872	else
1873	#endif
1874	{
1875	/* win32 people keep sending patches that change this write() to send() */
1876	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1877	/* so when you think this write should be a send instead, please find out */
1878	/* where your send() is from - it's definitely not the microsoft send, and */
1879	/* tell me. thank you. */
1880	/* it might be that your problem is that your environment needs EV_USE_WSASOCKET */
1881	/* check the ev documentation on how to use this flag */
1882	write (evpipe [1], &(evpipe [1]), 1);	2239	write (evpipe [1], &(evpipe [1]), 1);
		2240	#endif
1883	}	2241	}
1884		2242
1885	errno = old_errno;	2243	errno = old_errno;
1886	}	2244	}
1887	}	2245	}
…		…
1894	int i;	2252	int i;
1895		2253
1896	if (revents & EV_READ)	2254	if (revents & EV_READ)
1897	{	2255	{
1898	#if EV_USE_EVENTFD	2256	#if EV_USE_EVENTFD
1899	if (evfd >= 0)	2257	if (evpipe [0] < 0)
1900	{	2258	{
1901	uint64_t counter;	2259	uint64_t counter;
1902	read (evfd, &counter, sizeof (uint64_t));	2260	read (evpipe [1], &counter, sizeof (uint64_t));
1903	}	2261	}
1904	else	2262	else
1905	#endif	2263	#endif
1906	{	2264	{
1907	char dummy;	2265	char dummy[4];
1908	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2266	#ifdef _WIN32
		2267	WSABUF buf;
		2268	DWORD recvd;
		2269	DWORD flags = 0;
		2270	buf.buf = dummy;
		2271	buf.len = sizeof (dummy);
		2272	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2273	#else
1909	read (evpipe [0], &dummy, 1);	2274	read (evpipe [0], &dummy, sizeof (dummy));
		2275	#endif
1910	}	2276	}
1911	}	2277	}
1912		2278
1913	pipe_write_skipped = 0;	2279	pipe_write_skipped = 0;
		2280
		2281	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1914		2282
1915	#if EV_SIGNAL_ENABLE	2283	#if EV_SIGNAL_ENABLE
1916	if (sig_pending)	2284	if (sig_pending)
1917	{	2285	{
1918	sig_pending = 0;	2286	sig_pending = 0;
		2287
		2288	ECB_MEMORY_FENCE;
1919		2289
1920	for (i = EV_NSIG - 1; i--; )	2290	for (i = EV_NSIG - 1; i--; )
1921	if (expect_false (signals [i].pending))	2291	if (expect_false (signals [i].pending))
1922	ev_feed_signal_event (EV_A_ i + 1);	2292	ev_feed_signal_event (EV_A_ i + 1);
1923	}	2293	}
…		…
1925		2295
1926	#if EV_ASYNC_ENABLE	2296	#if EV_ASYNC_ENABLE
1927	if (async_pending)	2297	if (async_pending)
1928	{	2298	{
1929	async_pending = 0;	2299	async_pending = 0;
		2300
		2301	ECB_MEMORY_FENCE;
1930		2302
1931	for (i = asynccnt; i--; )	2303	for (i = asynccnt; i--; )
1932	if (asyncs [i]->sent)	2304	if (asyncs [i]->sent)
1933	{	2305	{
1934	asyncs [i]->sent = 0;	2306	asyncs [i]->sent = 0;
		2307	ECB_MEMORY_FENCE_RELEASE;
1935	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2308	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1936	}	2309	}
1937	}	2310	}
1938	#endif	2311	#endif
1939	}	2312	}
1940		2313
1941	/*****************************************************************************/	2314	/*****************************************************************************/
1942		2315
1943	void	2316	void
1944	ev_feed_signal (int signum)	2317	ev_feed_signal (int signum) EV_THROW
1945	{	2318	{
1946	#if EV_MULTIPLICITY	2319	#if EV_MULTIPLICITY
		2320	EV_P;
		2321	ECB_MEMORY_FENCE_ACQUIRE;
1947	EV_P = signals [signum - 1].loop;	2322	EV_A = signals [signum - 1].loop;
1948		2323
1949	if (!EV_A)	2324	if (!EV_A)
1950	return;	2325	return;
1951	#endif	2326	#endif
1952		2327
1953	if (!ev_active (&pipe_w))
1954	return;
1955
1956	signals [signum - 1].pending = 1;	2328	signals [signum - 1].pending = 1;
1957	evpipe_write (EV_A_ &sig_pending);	2329	evpipe_write (EV_A_ &sig_pending);
1958	}	2330	}
1959		2331
1960	static void	2332	static void
…		…
1966		2338
1967	ev_feed_signal (signum);	2339	ev_feed_signal (signum);
1968	}	2340	}
1969		2341
1970	void noinline	2342	void noinline
1971	ev_feed_signal_event (EV_P_ int signum)	2343	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1972	{	2344	{
1973	WL w;	2345	WL w;
1974		2346
1975	if (expect_false (signum <= 0 || signum > EV_NSIG))	2347	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1976	return;	2348	return;
1977		2349
1978	--signum;	2350	--signum;
1979		2351
1980	#if EV_MULTIPLICITY	2352	#if EV_MULTIPLICITY
…		…
1984	if (expect_false (signals [signum].loop != EV_A))	2356	if (expect_false (signals [signum].loop != EV_A))
1985	return;	2357	return;
1986	#endif	2358	#endif
1987		2359
1988	signals [signum].pending = 0;	2360	signals [signum].pending = 0;
		2361	ECB_MEMORY_FENCE_RELEASE;
1989		2362
1990	for (w = signals [signum].head; w; w = w->next)	2363	for (w = signals [signum].head; w; w = w->next)
1991	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2364	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1992	}	2365	}
1993		2366
…		…
2092	#if EV_USE_SELECT	2465	#if EV_USE_SELECT
2093	# include "ev_select.c"	2466	# include "ev_select.c"
2094	#endif	2467	#endif
2095		2468
2096	int ecb_cold	2469	int ecb_cold
2097	ev_version_major (void)	2470	ev_version_major (void) EV_THROW
2098	{	2471	{
2099	return EV_VERSION_MAJOR;	2472	return EV_VERSION_MAJOR;
2100	}	2473	}
2101		2474
2102	int ecb_cold	2475	int ecb_cold
2103	ev_version_minor (void)	2476	ev_version_minor (void) EV_THROW
2104	{	2477	{
2105	return EV_VERSION_MINOR;	2478	return EV_VERSION_MINOR;
2106	}	2479	}
2107		2480
2108	/* return true if we are running with elevated privileges and should ignore env variables */	2481	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2116	|| getgid () != getegid ();	2489	|| getgid () != getegid ();
2117	#endif	2490	#endif
2118	}	2491	}
2119		2492
2120	unsigned int ecb_cold	2493	unsigned int ecb_cold
2121	ev_supported_backends (void)	2494	ev_supported_backends (void) EV_THROW
2122	{	2495	{
2123	unsigned int flags = 0;	2496	unsigned int flags = 0;
2124		2497
2125	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2498	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2126	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2499	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2130		2503
2131	return flags;	2504	return flags;
2132	}	2505	}
2133		2506
2134	unsigned int ecb_cold	2507	unsigned int ecb_cold
2135	ev_recommended_backends (void)	2508	ev_recommended_backends (void) EV_THROW
2136	{	2509	{
2137	unsigned int flags = ev_supported_backends ();	2510	unsigned int flags = ev_supported_backends ();
2138		2511
2139	#ifndef __NetBSD__	2512	#ifndef __NetBSD__
2140	/* kqueue is borked on everything but netbsd apparently */	2513	/* kqueue is borked on everything but netbsd apparently */
…		…
2152		2525
2153	return flags;	2526	return flags;
2154	}	2527	}
2155		2528
2156	unsigned int ecb_cold	2529	unsigned int ecb_cold
2157	ev_embeddable_backends (void)	2530	ev_embeddable_backends (void) EV_THROW
2158	{	2531	{
2159	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2532	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2160		2533
2161	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2534	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2162	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2535	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2164		2537
2165	return flags;	2538	return flags;
2166	}	2539	}
2167		2540
2168	unsigned int	2541	unsigned int
2169	ev_backend (EV_P)	2542	ev_backend (EV_P) EV_THROW
2170	{	2543	{
2171	return backend;	2544	return backend;
2172	}	2545	}
2173		2546
2174	#if EV_FEATURE_API	2547	#if EV_FEATURE_API
2175	unsigned int	2548	unsigned int
2176	ev_iteration (EV_P)	2549	ev_iteration (EV_P) EV_THROW
2177	{	2550	{
2178	return loop_count;	2551	return loop_count;
2179	}	2552	}
2180		2553
2181	unsigned int	2554	unsigned int
2182	ev_depth (EV_P)	2555	ev_depth (EV_P) EV_THROW
2183	{	2556	{
2184	return loop_depth;	2557	return loop_depth;
2185	}	2558	}
2186		2559
2187	void	2560	void
2188	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2561	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2189	{	2562	{
2190	io_blocktime = interval;	2563	io_blocktime = interval;
2191	}	2564	}
2192		2565
2193	void	2566	void
2194	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2567	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2195	{	2568	{
2196	timeout_blocktime = interval;	2569	timeout_blocktime = interval;
2197	}	2570	}
2198		2571
2199	void	2572	void
2200	ev_set_userdata (EV_P_ void *data)	2573	ev_set_userdata (EV_P_ void *data) EV_THROW
2201	{	2574	{
2202	userdata = data;	2575	userdata = data;
2203	}	2576	}
2204		2577
2205	void *	2578	void *
2206	ev_userdata (EV_P)	2579	ev_userdata (EV_P) EV_THROW
2207	{	2580	{
2208	return userdata;	2581	return userdata;
2209	}	2582	}
2210		2583
2211	void	2584	void
2212	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2585	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
2213	{	2586	{
2214	invoke_cb = invoke_pending_cb;	2587	invoke_cb = invoke_pending_cb;
2215	}	2588	}
2216		2589
2217	void	2590	void
2218	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2591	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW
2219	{	2592	{
2220	release_cb = release;	2593	release_cb = release;
2221	acquire_cb = acquire;	2594	acquire_cb = acquire;
2222	}	2595	}
2223	#endif	2596	#endif
2224		2597
2225	/* initialise a loop structure, must be zero-initialised */	2598	/* initialise a loop structure, must be zero-initialised */
2226	static void noinline ecb_cold	2599	static void noinline ecb_cold
2227	loop_init (EV_P_ unsigned int flags)	2600	loop_init (EV_P_ unsigned int flags) EV_THROW
2228	{	2601	{
2229	if (!backend)	2602	if (!backend)
2230	{	2603	{
2231	origflags = flags;	2604	origflags = flags;
2232		2605
…		…
2277	#if EV_ASYNC_ENABLE	2650	#if EV_ASYNC_ENABLE
2278	async_pending = 0;	2651	async_pending = 0;
2279	#endif	2652	#endif
2280	pipe_write_skipped = 0;	2653	pipe_write_skipped = 0;
2281	pipe_write_wanted = 0;	2654	pipe_write_wanted = 0;
		2655	evpipe [0] = -1;
		2656	evpipe [1] = -1;
2282	#if EV_USE_INOTIFY	2657	#if EV_USE_INOTIFY
2283	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2658	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2284	#endif	2659	#endif
2285	#if EV_USE_SIGNALFD	2660	#if EV_USE_SIGNALFD
2286	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2661	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2337	EV_INVOKE_PENDING;	2712	EV_INVOKE_PENDING;
2338	}	2713	}
2339	#endif	2714	#endif
2340		2715
2341	#if EV_CHILD_ENABLE	2716	#if EV_CHILD_ENABLE
2342	if (ev_is_active (&childev))	2717	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2343	{	2718	{
2344	ev_ref (EV_A); /* child watcher */	2719	ev_ref (EV_A); /* child watcher */
2345	ev_signal_stop (EV_A_ &childev);	2720	ev_signal_stop (EV_A_ &childev);
2346	}	2721	}
2347	#endif	2722	#endif
…		…
2349	if (ev_is_active (&pipe_w))	2724	if (ev_is_active (&pipe_w))
2350	{	2725	{
2351	/*ev_ref (EV_A);*/	2726	/*ev_ref (EV_A);*/
2352	/*ev_io_stop (EV_A_ &pipe_w);*/	2727	/*ev_io_stop (EV_A_ &pipe_w);*/
2353		2728
2354	#if EV_USE_EVENTFD
2355	if (evfd >= 0)
2356	close (evfd);
2357	#endif
2358
2359	if (evpipe [0] >= 0)
2360	{
2361	EV_WIN32_CLOSE_FD (evpipe [0]);	2729	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2362	EV_WIN32_CLOSE_FD (evpipe [1]);	2730	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2363	}
2364	}	2731	}
2365		2732
2366	#if EV_USE_SIGNALFD	2733	#if EV_USE_SIGNALFD
2367	if (ev_is_active (&sigfd_w))	2734	if (ev_is_active (&sigfd_w))
2368	close (sigfd);	2735	close (sigfd);
…		…
2454	#endif	2821	#endif
2455	#if EV_USE_INOTIFY	2822	#if EV_USE_INOTIFY
2456	infy_fork (EV_A);	2823	infy_fork (EV_A);
2457	#endif	2824	#endif
2458		2825
		2826	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2459	if (ev_is_active (&pipe_w))	2827	if (ev_is_active (&pipe_w))
2460	{	2828	{
2461	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2829	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2462		2830
2463	ev_ref (EV_A);	2831	ev_ref (EV_A);
2464	ev_io_stop (EV_A_ &pipe_w);	2832	ev_io_stop (EV_A_ &pipe_w);
2465		2833
2466	#if EV_USE_EVENTFD
2467	if (evfd >= 0)
2468	close (evfd);
2469	#endif
2470
2471	if (evpipe [0] >= 0)	2834	if (evpipe [0] >= 0)
2472	{
2473	EV_WIN32_CLOSE_FD (evpipe [0]);	2835	EV_WIN32_CLOSE_FD (evpipe [0]);
2474	EV_WIN32_CLOSE_FD (evpipe [1]);
2475	}
2476		2836
2477	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2478	evpipe_init (EV_A);	2837	evpipe_init (EV_A);
2479	/* now iterate over everything, in case we missed something */	2838	/* iterate over everything, in case we missed something before */
2480	pipecb (EV_A_ &pipe_w, EV_READ);	2839	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2481	#endif
2482	}	2840	}
		2841	#endif
2483		2842
2484	postfork = 0;	2843	postfork = 0;
2485	}	2844	}
2486		2845
2487	#if EV_MULTIPLICITY	2846	#if EV_MULTIPLICITY
2488		2847
2489	struct ev_loop * ecb_cold	2848	struct ev_loop * ecb_cold
2490	ev_loop_new (unsigned int flags)	2849	ev_loop_new (unsigned int flags) EV_THROW
2491	{	2850	{
2492	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2851	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2493		2852
2494	memset (EV_A, 0, sizeof (struct ev_loop));	2853	memset (EV_A, 0, sizeof (struct ev_loop));
2495	loop_init (EV_A_ flags);	2854	loop_init (EV_A_ flags);
…		…
2539	}	2898	}
2540	#endif	2899	#endif
2541		2900
2542	#if EV_FEATURE_API	2901	#if EV_FEATURE_API
2543	void ecb_cold	2902	void ecb_cold
2544	ev_verify (EV_P)	2903	ev_verify (EV_P) EV_THROW
2545	{	2904	{
2546	#if EV_VERIFY	2905	#if EV_VERIFY
2547	int i;	2906	int i;
2548	WL w;	2907	WL w, w2;
2549		2908
2550	assert (activecnt >= -1);	2909	assert (activecnt >= -1);
2551		2910
2552	assert (fdchangemax >= fdchangecnt);	2911	assert (fdchangemax >= fdchangecnt);
2553	for (i = 0; i < fdchangecnt; ++i)	2912	for (i = 0; i < fdchangecnt; ++i)
2554	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2913	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2555		2914
2556	assert (anfdmax >= 0);	2915	assert (anfdmax >= 0);
2557	for (i = 0; i < anfdmax; ++i)	2916	for (i = 0; i < anfdmax; ++i)
		2917	{
		2918	int j = 0;
		2919
2558	for (w = anfds [i].head; w; w = w->next)	2920	for (w = w2 = anfds [i].head; w; w = w->next)
2559	{	2921	{
2560	verify_watcher (EV_A_ (W)w);	2922	verify_watcher (EV_A_ (W)w);
		2923
		2924	if (j++ & 1)
		2925	{
		2926	assert (("libev: io watcher list contains a loop", w != w2));
		2927	w2 = w2->next;
		2928	}
		2929
2561	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2930	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2562	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2931	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2563	}	2932	}
		2933	}
2564		2934
2565	assert (timermax >= timercnt);	2935	assert (timermax >= timercnt);
2566	verify_heap (EV_A_ timers, timercnt);	2936	verify_heap (EV_A_ timers, timercnt);
2567		2937
2568	#if EV_PERIODIC_ENABLE	2938	#if EV_PERIODIC_ENABLE
…		…
2618	#if EV_MULTIPLICITY	2988	#if EV_MULTIPLICITY
2619	struct ev_loop * ecb_cold	2989	struct ev_loop * ecb_cold
2620	#else	2990	#else
2621	int	2991	int
2622	#endif	2992	#endif
2623	ev_default_loop (unsigned int flags)	2993	ev_default_loop (unsigned int flags) EV_THROW
2624	{	2994	{
2625	if (!ev_default_loop_ptr)	2995	if (!ev_default_loop_ptr)
2626	{	2996	{
2627	#if EV_MULTIPLICITY	2997	#if EV_MULTIPLICITY
2628	EV_P = ev_default_loop_ptr = &default_loop_struct;	2998	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2647		3017
2648	return ev_default_loop_ptr;	3018	return ev_default_loop_ptr;
2649	}	3019	}
2650		3020
2651	void	3021	void
2652	ev_loop_fork (EV_P)	3022	ev_loop_fork (EV_P) EV_THROW
2653	{	3023	{
2654	postfork = 1; /* must be in line with ev_default_fork */	3024	postfork = 1;
2655	}	3025	}
2656		3026
2657	/*****************************************************************************/	3027	/*****************************************************************************/
2658		3028
2659	void	3029	void
…		…
2661	{	3031	{
2662	EV_CB_INVOKE ((W)w, revents);	3032	EV_CB_INVOKE ((W)w, revents);
2663	}	3033	}
2664		3034
2665	unsigned int	3035	unsigned int
2666	ev_pending_count (EV_P)	3036	ev_pending_count (EV_P) EV_THROW
2667	{	3037	{
2668	int pri;	3038	int pri;
2669	unsigned int count = 0;	3039	unsigned int count = 0;
2670		3040
2671	for (pri = NUMPRI; pri--; )	3041	for (pri = NUMPRI; pri--; )
…		…
2675	}	3045	}
2676		3046
2677	void noinline	3047	void noinline
2678	ev_invoke_pending (EV_P)	3048	ev_invoke_pending (EV_P)
2679	{	3049	{
2680	int pri;	3050	pendingpri = NUMPRI;
2681		3051
2682	for (pri = NUMPRI; pri--; )	3052	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3053	{
		3054	--pendingpri;
		3055
2683	while (pendingcnt [pri])	3056	while (pendingcnt [pendingpri])
2684	{	3057	{
2685	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3058	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2686		3059
2687	p->w->pending = 0;	3060	p->w->pending = 0;
2688	EV_CB_INVOKE (p->w, p->events);	3061	EV_CB_INVOKE (p->w, p->events);
2689	EV_FREQUENT_CHECK;	3062	EV_FREQUENT_CHECK;
2690	}	3063	}
		3064	}
2691	}	3065	}
2692		3066
2693	#if EV_IDLE_ENABLE	3067	#if EV_IDLE_ENABLE
2694	/* make idle watchers pending. this handles the "call-idle */	3068	/* make idle watchers pending. this handles the "call-idle */
2695	/* only when higher priorities are idle" logic */	3069	/* only when higher priorities are idle" logic */
…		…
2785	{	3159	{
2786	EV_FREQUENT_CHECK;	3160	EV_FREQUENT_CHECK;
2787		3161
2788	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3162	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2789	{	3163	{
2790	int feed_count = 0;
2791
2792	do	3164	do
2793	{	3165	{
2794	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3166	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2795		3167
2796	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3168	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
3055	backend_poll (EV_A_ waittime);	3427	backend_poll (EV_A_ waittime);
3056	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3428	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3057		3429
3058	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3430	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3059		3431
		3432	ECB_MEMORY_FENCE_ACQUIRE;
3060	if (pipe_write_skipped)	3433	if (pipe_write_skipped)
3061	{	3434	{
3062	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3435	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3063	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3436	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3064	}	3437	}
…		…
3102		3475
3103	return activecnt;	3476	return activecnt;
3104	}	3477	}
3105		3478
3106	void	3479	void
3107	ev_break (EV_P_ int how)	3480	ev_break (EV_P_ int how) EV_THROW
3108	{	3481	{
3109	loop_done = how;	3482	loop_done = how;
3110	}	3483	}
3111		3484
3112	void	3485	void
3113	ev_ref (EV_P)	3486	ev_ref (EV_P) EV_THROW
3114	{	3487	{
3115	++activecnt;	3488	++activecnt;
3116	}	3489	}
3117		3490
3118	void	3491	void
3119	ev_unref (EV_P)	3492	ev_unref (EV_P) EV_THROW
3120	{	3493	{
3121	--activecnt;	3494	--activecnt;
3122	}	3495	}
3123		3496
3124	void	3497	void
3125	ev_now_update (EV_P)	3498	ev_now_update (EV_P) EV_THROW
3126	{	3499	{
3127	time_update (EV_A_ 1e100);	3500	time_update (EV_A_ 1e100);
3128	}	3501	}
3129		3502
3130	void	3503	void
3131	ev_suspend (EV_P)	3504	ev_suspend (EV_P) EV_THROW
3132	{	3505	{
3133	ev_now_update (EV_A);	3506	ev_now_update (EV_A);
3134	}	3507	}
3135		3508
3136	void	3509	void
3137	ev_resume (EV_P)	3510	ev_resume (EV_P) EV_THROW
3138	{	3511	{
3139	ev_tstamp mn_prev = mn_now;	3512	ev_tstamp mn_prev = mn_now;
3140		3513
3141	ev_now_update (EV_A);	3514	ev_now_update (EV_A);
3142	timers_reschedule (EV_A_ mn_now - mn_prev);	3515	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3181	w->pending = 0;	3554	w->pending = 0;
3182	}	3555	}
3183	}	3556	}
3184		3557
3185	int	3558	int
3186	ev_clear_pending (EV_P_ void *w)	3559	ev_clear_pending (EV_P_ void *w) EV_THROW
3187	{	3560	{
3188	W w_ = (W)w;	3561	W w_ = (W)w;
3189	int pending = w_->pending;	3562	int pending = w_->pending;
3190		3563
3191	if (expect_true (pending))	3564	if (expect_true (pending))
…		…
3224	}	3597	}
3225		3598
3226	/*****************************************************************************/	3599	/*****************************************************************************/
3227		3600
3228	void noinline	3601	void noinline
3229	ev_io_start (EV_P_ ev_io *w)	3602	ev_io_start (EV_P_ ev_io *w) EV_THROW
3230	{	3603	{
3231	int fd = w->fd;	3604	int fd = w->fd;
3232		3605
3233	if (expect_false (ev_is_active (w)))	3606	if (expect_false (ev_is_active (w)))
3234	return;	3607	return;
…		…
3240		3613
3241	ev_start (EV_A_ (W)w, 1);	3614	ev_start (EV_A_ (W)w, 1);
3242	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3615	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3243	wlist_add (&anfds[fd].head, (WL)w);	3616	wlist_add (&anfds[fd].head, (WL)w);
3244		3617
		3618	/* common bug, apparently */
		3619	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3620
3245	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3621	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3246	w->events &= ~EV__IOFDSET;	3622	w->events &= ~EV__IOFDSET;
3247		3623
3248	EV_FREQUENT_CHECK;	3624	EV_FREQUENT_CHECK;
3249	}	3625	}
3250		3626
3251	void noinline	3627	void noinline
3252	ev_io_stop (EV_P_ ev_io *w)	3628	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3253	{	3629	{
3254	clear_pending (EV_A_ (W)w);	3630	clear_pending (EV_A_ (W)w);
3255	if (expect_false (!ev_is_active (w)))	3631	if (expect_false (!ev_is_active (w)))
3256	return;	3632	return;
3257		3633
…		…
3266		3642
3267	EV_FREQUENT_CHECK;	3643	EV_FREQUENT_CHECK;
3268	}	3644	}
3269		3645
3270	void noinline	3646	void noinline
3271	ev_timer_start (EV_P_ ev_timer *w)	3647	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3272	{	3648	{
3273	if (expect_false (ev_is_active (w)))	3649	if (expect_false (ev_is_active (w)))
3274	return;	3650	return;
3275		3651
3276	ev_at (w) += mn_now;	3652	ev_at (w) += mn_now;
…		…
3290		3666
3291	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3667	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3292	}	3668	}
3293		3669
3294	void noinline	3670	void noinline
3295	ev_timer_stop (EV_P_ ev_timer *w)	3671	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3296	{	3672	{
3297	clear_pending (EV_A_ (W)w);	3673	clear_pending (EV_A_ (W)w);
3298	if (expect_false (!ev_is_active (w)))	3674	if (expect_false (!ev_is_active (w)))
3299	return;	3675	return;
3300		3676
…		…
3320		3696
3321	EV_FREQUENT_CHECK;	3697	EV_FREQUENT_CHECK;
3322	}	3698	}
3323		3699
3324	void noinline	3700	void noinline
3325	ev_timer_again (EV_P_ ev_timer *w)	3701	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3326	{	3702	{
3327	EV_FREQUENT_CHECK;	3703	EV_FREQUENT_CHECK;
3328		3704
3329	clear_pending (EV_A_ (W)w);	3705	clear_pending (EV_A_ (W)w);
3330		3706
…		…
3347		3723
3348	EV_FREQUENT_CHECK;	3724	EV_FREQUENT_CHECK;
3349	}	3725	}
3350		3726
3351	ev_tstamp	3727	ev_tstamp
3352	ev_timer_remaining (EV_P_ ev_timer *w)	3728	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3353	{	3729	{
3354	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3730	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3355	}	3731	}
3356		3732
3357	#if EV_PERIODIC_ENABLE	3733	#if EV_PERIODIC_ENABLE
3358	void noinline	3734	void noinline
3359	ev_periodic_start (EV_P_ ev_periodic *w)	3735	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3360	{	3736	{
3361	if (expect_false (ev_is_active (w)))	3737	if (expect_false (ev_is_active (w)))
3362	return;	3738	return;
3363		3739
3364	if (w->reschedule_cb)	3740	if (w->reschedule_cb)
…		…
3384		3760
3385	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3761	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3386	}	3762	}
3387		3763
3388	void noinline	3764	void noinline
3389	ev_periodic_stop (EV_P_ ev_periodic *w)	3765	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3390	{	3766	{
3391	clear_pending (EV_A_ (W)w);	3767	clear_pending (EV_A_ (W)w);
3392	if (expect_false (!ev_is_active (w)))	3768	if (expect_false (!ev_is_active (w)))
3393	return;	3769	return;
3394		3770
…		…
3412		3788
3413	EV_FREQUENT_CHECK;	3789	EV_FREQUENT_CHECK;
3414	}	3790	}
3415		3791
3416	void noinline	3792	void noinline
3417	ev_periodic_again (EV_P_ ev_periodic *w)	3793	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3418	{	3794	{
3419	/* TODO: use adjustheap and recalculation */	3795	/* TODO: use adjustheap and recalculation */
3420	ev_periodic_stop (EV_A_ w);	3796	ev_periodic_stop (EV_A_ w);
3421	ev_periodic_start (EV_A_ w);	3797	ev_periodic_start (EV_A_ w);
3422	}	3798	}
…		…
3427	#endif	3803	#endif
3428		3804
3429	#if EV_SIGNAL_ENABLE	3805	#if EV_SIGNAL_ENABLE
3430		3806
3431	void noinline	3807	void noinline
3432	ev_signal_start (EV_P_ ev_signal *w)	3808	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3433	{	3809	{
3434	if (expect_false (ev_is_active (w)))	3810	if (expect_false (ev_is_active (w)))
3435	return;	3811	return;
3436		3812
3437	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3813	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3439	#if EV_MULTIPLICITY	3815	#if EV_MULTIPLICITY
3440	assert (("libev: a signal must not be attached to two different loops",	3816	assert (("libev: a signal must not be attached to two different loops",
3441	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3817	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3442		3818
3443	signals [w->signum - 1].loop = EV_A;	3819	signals [w->signum - 1].loop = EV_A;
		3820	ECB_MEMORY_FENCE_RELEASE;
3444	#endif	3821	#endif
3445		3822
3446	EV_FREQUENT_CHECK;	3823	EV_FREQUENT_CHECK;
3447		3824
3448	#if EV_USE_SIGNALFD	3825	#if EV_USE_SIGNALFD
…		…
3508		3885
3509	EV_FREQUENT_CHECK;	3886	EV_FREQUENT_CHECK;
3510	}	3887	}
3511		3888
3512	void noinline	3889	void noinline
3513	ev_signal_stop (EV_P_ ev_signal *w)	3890	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3514	{	3891	{
3515	clear_pending (EV_A_ (W)w);	3892	clear_pending (EV_A_ (W)w);
3516	if (expect_false (!ev_is_active (w)))	3893	if (expect_false (!ev_is_active (w)))
3517	return;	3894	return;
3518		3895
…		…
3549	#endif	3926	#endif
3550		3927
3551	#if EV_CHILD_ENABLE	3928	#if EV_CHILD_ENABLE
3552		3929
3553	void	3930	void
3554	ev_child_start (EV_P_ ev_child *w)	3931	ev_child_start (EV_P_ ev_child *w) EV_THROW
3555	{	3932	{
3556	#if EV_MULTIPLICITY	3933	#if EV_MULTIPLICITY
3557	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3934	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3558	#endif	3935	#endif
3559	if (expect_false (ev_is_active (w)))	3936	if (expect_false (ev_is_active (w)))
…		…
3566		3943
3567	EV_FREQUENT_CHECK;	3944	EV_FREQUENT_CHECK;
3568	}	3945	}
3569		3946
3570	void	3947	void
3571	ev_child_stop (EV_P_ ev_child *w)	3948	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3572	{	3949	{
3573	clear_pending (EV_A_ (W)w);	3950	clear_pending (EV_A_ (W)w);
3574	if (expect_false (!ev_is_active (w)))	3951	if (expect_false (!ev_is_active (w)))
3575	return;	3952	return;
3576		3953
…		…
3603	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3980	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3604		3981
3605	static void noinline	3982	static void noinline
3606	infy_add (EV_P_ ev_stat *w)	3983	infy_add (EV_P_ ev_stat *w)
3607	{	3984	{
3608	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);	3985	w->wd = inotify_add_watch (fs_fd, w->path,
		3986	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3987	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3988	| IN_DONT_FOLLOW | IN_MASK_ADD);
3609		3989
3610	if (w->wd >= 0)	3990	if (w->wd >= 0)
3611	{	3991	{
3612	struct statfs sfs;	3992	struct statfs sfs;
3613		3993
…		…
3617		3997
3618	if (!fs_2625)	3998	if (!fs_2625)
3619	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3999	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3620	else if (!statfs (w->path, &sfs)	4000	else if (!statfs (w->path, &sfs)
3621	&& (sfs.f_type == 0x1373 /* devfs */	4001	&& (sfs.f_type == 0x1373 /* devfs */
		4002	|| sfs.f_type == 0x4006 /* fat */
		4003	|| sfs.f_type == 0x4d44 /* msdos */
3622	|| sfs.f_type == 0xEF53 /* ext2/3 */	4004	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4005	|| sfs.f_type == 0x72b6 /* jffs2 */
		4006	|| sfs.f_type == 0x858458f6 /* ramfs */
		4007	|| sfs.f_type == 0x5346544e /* ntfs */
3623	|| sfs.f_type == 0x3153464a /* jfs */	4008	|| sfs.f_type == 0x3153464a /* jfs */
		4009	|| sfs.f_type == 0x9123683e /* btrfs */
3624	|| sfs.f_type == 0x52654973 /* reiser3 */	4010	|| sfs.f_type == 0x52654973 /* reiser3 */
3625	|| sfs.f_type == 0x01021994 /* tempfs */	4011	|| sfs.f_type == 0x01021994 /* tmpfs */
3626	|| sfs.f_type == 0x58465342 /* xfs */))	4012	|| sfs.f_type == 0x58465342 /* xfs */))
3627	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4013	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3628	else	4014	else
3629	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4015	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3630	}	4016	}
…		…
3828	#else	4214	#else
3829	# define EV_LSTAT(p,b) lstat (p, b)	4215	# define EV_LSTAT(p,b) lstat (p, b)
3830	#endif	4216	#endif
3831		4217
3832	void	4218	void
3833	ev_stat_stat (EV_P_ ev_stat *w)	4219	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3834	{	4220	{
3835	if (lstat (w->path, &w->attr) < 0)	4221	if (lstat (w->path, &w->attr) < 0)
3836	w->attr.st_nlink = 0;	4222	w->attr.st_nlink = 0;
3837	else if (!w->attr.st_nlink)	4223	else if (!w->attr.st_nlink)
3838	w->attr.st_nlink = 1;	4224	w->attr.st_nlink = 1;
…		…
3877	ev_feed_event (EV_A_ w, EV_STAT);	4263	ev_feed_event (EV_A_ w, EV_STAT);
3878	}	4264	}
3879	}	4265	}
3880		4266
3881	void	4267	void
3882	ev_stat_start (EV_P_ ev_stat *w)	4268	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3883	{	4269	{
3884	if (expect_false (ev_is_active (w)))	4270	if (expect_false (ev_is_active (w)))
3885	return;	4271	return;
3886		4272
3887	ev_stat_stat (EV_A_ w);	4273	ev_stat_stat (EV_A_ w);
…		…
3908		4294
3909	EV_FREQUENT_CHECK;	4295	EV_FREQUENT_CHECK;
3910	}	4296	}
3911		4297
3912	void	4298	void
3913	ev_stat_stop (EV_P_ ev_stat *w)	4299	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3914	{	4300	{
3915	clear_pending (EV_A_ (W)w);	4301	clear_pending (EV_A_ (W)w);
3916	if (expect_false (!ev_is_active (w)))	4302	if (expect_false (!ev_is_active (w)))
3917	return;	4303	return;
3918		4304
…		…
3934	}	4320	}
3935	#endif	4321	#endif
3936		4322
3937	#if EV_IDLE_ENABLE	4323	#if EV_IDLE_ENABLE
3938	void	4324	void
3939	ev_idle_start (EV_P_ ev_idle *w)	4325	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3940	{	4326	{
3941	if (expect_false (ev_is_active (w)))	4327	if (expect_false (ev_is_active (w)))
3942	return;	4328	return;
3943		4329
3944	pri_adjust (EV_A_ (W)w);	4330	pri_adjust (EV_A_ (W)w);
…		…
3957		4343
3958	EV_FREQUENT_CHECK;	4344	EV_FREQUENT_CHECK;
3959	}	4345	}
3960		4346
3961	void	4347	void
3962	ev_idle_stop (EV_P_ ev_idle *w)	4348	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3963	{	4349	{
3964	clear_pending (EV_A_ (W)w);	4350	clear_pending (EV_A_ (W)w);
3965	if (expect_false (!ev_is_active (w)))	4351	if (expect_false (!ev_is_active (w)))
3966	return;	4352	return;
3967		4353
…		…
3981	}	4367	}
3982	#endif	4368	#endif
3983		4369
3984	#if EV_PREPARE_ENABLE	4370	#if EV_PREPARE_ENABLE
3985	void	4371	void
3986	ev_prepare_start (EV_P_ ev_prepare *w)	4372	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3987	{	4373	{
3988	if (expect_false (ev_is_active (w)))	4374	if (expect_false (ev_is_active (w)))
3989	return;	4375	return;
3990		4376
3991	EV_FREQUENT_CHECK;	4377	EV_FREQUENT_CHECK;
…		…
3996		4382
3997	EV_FREQUENT_CHECK;	4383	EV_FREQUENT_CHECK;
3998	}	4384	}
3999		4385
4000	void	4386	void
4001	ev_prepare_stop (EV_P_ ev_prepare *w)	4387	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
4002	{	4388	{
4003	clear_pending (EV_A_ (W)w);	4389	clear_pending (EV_A_ (W)w);
4004	if (expect_false (!ev_is_active (w)))	4390	if (expect_false (!ev_is_active (w)))
4005	return;	4391	return;
4006		4392
…		…
4019	}	4405	}
4020	#endif	4406	#endif
4021		4407
4022	#if EV_CHECK_ENABLE	4408	#if EV_CHECK_ENABLE
4023	void	4409	void
4024	ev_check_start (EV_P_ ev_check *w)	4410	ev_check_start (EV_P_ ev_check *w) EV_THROW
4025	{	4411	{
4026	if (expect_false (ev_is_active (w)))	4412	if (expect_false (ev_is_active (w)))
4027	return;	4413	return;
4028		4414
4029	EV_FREQUENT_CHECK;	4415	EV_FREQUENT_CHECK;
…		…
4034		4420
4035	EV_FREQUENT_CHECK;	4421	EV_FREQUENT_CHECK;
4036	}	4422	}
4037		4423
4038	void	4424	void
4039	ev_check_stop (EV_P_ ev_check *w)	4425	ev_check_stop (EV_P_ ev_check *w) EV_THROW
4040	{	4426	{
4041	clear_pending (EV_A_ (W)w);	4427	clear_pending (EV_A_ (W)w);
4042	if (expect_false (!ev_is_active (w)))	4428	if (expect_false (!ev_is_active (w)))
4043	return;	4429	return;
4044		4430
…		…
4057	}	4443	}
4058	#endif	4444	#endif
4059		4445
4060	#if EV_EMBED_ENABLE	4446	#if EV_EMBED_ENABLE
4061	void noinline	4447	void noinline
4062	ev_embed_sweep (EV_P_ ev_embed *w)	4448	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4063	{	4449	{
4064	ev_run (w->other, EVRUN_NOWAIT);	4450	ev_run (w->other, EVRUN_NOWAIT);
4065	}	4451	}
4066		4452
4067	static void	4453	static void
…		…
4115	ev_idle_stop (EV_A_ idle);	4501	ev_idle_stop (EV_A_ idle);
4116	}	4502	}
4117	#endif	4503	#endif
4118		4504
4119	void	4505	void
4120	ev_embed_start (EV_P_ ev_embed *w)	4506	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4121	{	4507	{
4122	if (expect_false (ev_is_active (w)))	4508	if (expect_false (ev_is_active (w)))
4123	return;	4509	return;
4124		4510
4125	{	4511	{
…		…
4146		4532
4147	EV_FREQUENT_CHECK;	4533	EV_FREQUENT_CHECK;
4148	}	4534	}
4149		4535
4150	void	4536	void
4151	ev_embed_stop (EV_P_ ev_embed *w)	4537	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4152	{	4538	{
4153	clear_pending (EV_A_ (W)w);	4539	clear_pending (EV_A_ (W)w);
4154	if (expect_false (!ev_is_active (w)))	4540	if (expect_false (!ev_is_active (w)))
4155	return;	4541	return;
4156		4542
…		…
4166	}	4552	}
4167	#endif	4553	#endif
4168		4554
4169	#if EV_FORK_ENABLE	4555	#if EV_FORK_ENABLE
4170	void	4556	void
4171	ev_fork_start (EV_P_ ev_fork *w)	4557	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4172	{	4558	{
4173	if (expect_false (ev_is_active (w)))	4559	if (expect_false (ev_is_active (w)))
4174	return;	4560	return;
4175		4561
4176	EV_FREQUENT_CHECK;	4562	EV_FREQUENT_CHECK;
…		…
4181		4567
4182	EV_FREQUENT_CHECK;	4568	EV_FREQUENT_CHECK;
4183	}	4569	}
4184		4570
4185	void	4571	void
4186	ev_fork_stop (EV_P_ ev_fork *w)	4572	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4187	{	4573	{
4188	clear_pending (EV_A_ (W)w);	4574	clear_pending (EV_A_ (W)w);
4189	if (expect_false (!ev_is_active (w)))	4575	if (expect_false (!ev_is_active (w)))
4190	return;	4576	return;
4191		4577
…		…
4204	}	4590	}
4205	#endif	4591	#endif
4206		4592
4207	#if EV_CLEANUP_ENABLE	4593	#if EV_CLEANUP_ENABLE
4208	void	4594	void
4209	ev_cleanup_start (EV_P_ ev_cleanup *w)	4595	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4210	{	4596	{
4211	if (expect_false (ev_is_active (w)))	4597	if (expect_false (ev_is_active (w)))
4212	return;	4598	return;
4213		4599
4214	EV_FREQUENT_CHECK;	4600	EV_FREQUENT_CHECK;
…		…
4221	ev_unref (EV_A);	4607	ev_unref (EV_A);
4222	EV_FREQUENT_CHECK;	4608	EV_FREQUENT_CHECK;
4223	}	4609	}
4224		4610
4225	void	4611	void
4226	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4612	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4227	{	4613	{
4228	clear_pending (EV_A_ (W)w);	4614	clear_pending (EV_A_ (W)w);
4229	if (expect_false (!ev_is_active (w)))	4615	if (expect_false (!ev_is_active (w)))
4230	return;	4616	return;
4231		4617
…		…
4245	}	4631	}
4246	#endif	4632	#endif
4247		4633
4248	#if EV_ASYNC_ENABLE	4634	#if EV_ASYNC_ENABLE
4249	void	4635	void
4250	ev_async_start (EV_P_ ev_async *w)	4636	ev_async_start (EV_P_ ev_async *w) EV_THROW
4251	{	4637	{
4252	if (expect_false (ev_is_active (w)))	4638	if (expect_false (ev_is_active (w)))
4253	return;	4639	return;
4254		4640
4255	w->sent = 0;	4641	w->sent = 0;
…		…
4264		4650
4265	EV_FREQUENT_CHECK;	4651	EV_FREQUENT_CHECK;
4266	}	4652	}
4267		4653
4268	void	4654	void
4269	ev_async_stop (EV_P_ ev_async *w)	4655	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4270	{	4656	{
4271	clear_pending (EV_A_ (W)w);	4657	clear_pending (EV_A_ (W)w);
4272	if (expect_false (!ev_is_active (w)))	4658	if (expect_false (!ev_is_active (w)))
4273	return;	4659	return;
4274		4660
…		…
4285		4671
4286	EV_FREQUENT_CHECK;	4672	EV_FREQUENT_CHECK;
4287	}	4673	}
4288		4674
4289	void	4675	void
4290	ev_async_send (EV_P_ ev_async *w)	4676	ev_async_send (EV_P_ ev_async *w) EV_THROW
4291	{	4677	{
4292	w->sent = 1;	4678	w->sent = 1;
4293	evpipe_write (EV_A_ &async_pending);	4679	evpipe_write (EV_A_ &async_pending);
4294	}	4680	}
4295	#endif	4681	#endif
…		…
4332		4718
4333	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4719	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4334	}	4720	}
4335		4721
4336	void	4722	void
4337	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4723	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4338	{	4724	{
4339	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4725	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4340		4726
4341	if (expect_false (!once))	4727	if (expect_false (!once))
4342	{	4728	{
…		…
4364		4750
4365	/*****************************************************************************/	4751	/*****************************************************************************/
4366		4752
4367	#if EV_WALK_ENABLE	4753	#if EV_WALK_ENABLE
4368	void ecb_cold	4754	void ecb_cold
4369	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4755	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4370	{	4756	{
4371	int i, j;	4757	int i, j;
4372	ev_watcher_list *wl, *wn;	4758	ev_watcher_list *wl, *wn;
4373		4759
4374	if (types & (EV_IO | EV_EMBED))	4760	if (types & (EV_IO | EV_EMBED))

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