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Comparing libev/ev.c (file contents):
Revision 1.401 by root, Tue Dec 20 04:08:35 2011 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
…		…
183	# include EV_H	183	# include EV_H
184	#else	184	#else
185	# include "ev.h"	185	# include "ev.h"
186	#endif	186	#endif
187		187
		188	#if EV_NO_THREADS
		189	# undef EV_NO_SMP
		190	# define EV_NO_SMP 1
		191	# undef ECB_NO_THREADS
		192	# define ECB_NO_THREADS 1
		193	#endif
		194	#if EV_NO_SMP
		195	# undef EV_NO_SMP
		196	# define ECB_NO_SMP 1
		197	#endif
		198
188	#ifndef _WIN32	199	#ifndef _WIN32
189	# include <sys/time.h>	200	# include <sys/time.h>
190	# include <sys/wait.h>	201	# include <sys/wait.h>
191	# include <unistd.h>	202	# include <unistd.h>
192	#else	203	#else
193	# include <io.h>	204	# include <io.h>
194	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
195	# include <windows.h>	207	# include <windows.h>
196	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
197	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
198	# endif	210	# endif
199	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
208	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
209		221
210	/* 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 */
211		223
212	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
213	#if defined (EV_NSIG)	225	#if defined EV_NSIG
214	/* use what's provided */	226	/* use what's provided */
215	#elif defined (NSIG)	227	#elif defined NSIG
216	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
217	#elif defined(_NSIG)	229	#elif defined _NSIG
218	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
219	#elif defined (SIGMAX)	231	#elif defined SIGMAX
220	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
221	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
222	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
223	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
224	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
225	#elif defined (MAXSIG)	237	#elif defined MAXSIG
226	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
227	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
228	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
229	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
230	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
231	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
232	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
233	#else	245	#else
234	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
235	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
236	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
248	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
249	# endif	261	# endif
250	#endif	262	#endif
251		263
252	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
253	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
254	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
255	# else	267	# else
256	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
257	# endif	269	# endif
258	#endif	270	#endif
…		…
345		357
346	#ifndef EV_HEAP_CACHE_AT	358	#ifndef EV_HEAP_CACHE_AT
347	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
348	#endif	360	#endif
349		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
350	/* 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, */
351	/* which makes programs even slower. might work on other unices, too. */	379	/* which makes programs even slower. might work on other unices, too. */
352	#if EV_USE_CLOCK_SYSCALL	380	#if EV_USE_CLOCK_SYSCALL
353	# include <syscall.h>	381	# include <sys/syscall.h>
354	# ifdef SYS_clock_gettime	382	# ifdef SYS_clock_gettime
355	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	383	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
356	# undef EV_USE_MONOTONIC	384	# undef EV_USE_MONOTONIC
357	# define EV_USE_MONOTONIC 1	385	# define EV_USE_MONOTONIC 1
358	# else	386	# else
…		…
361	# endif	389	# endif
362	#endif	390	#endif
363		391
364	/* 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 */
365		393
366	#ifdef _AIX
367	/* AIX has a completely broken poll.h header */
368	# undef EV_USE_POLL
369	# define EV_USE_POLL 0
370	#endif
371
372	#ifndef CLOCK_MONOTONIC	394	#ifndef CLOCK_MONOTONIC
373	# undef EV_USE_MONOTONIC	395	# undef EV_USE_MONOTONIC
374	# define EV_USE_MONOTONIC 0	396	# define EV_USE_MONOTONIC 0
375	#endif	397	#endif
376		398
…		…
384	# define EV_USE_INOTIFY 0	406	# define EV_USE_INOTIFY 0
385	#endif	407	#endif
386		408
387	#if !EV_USE_NANOSLEEP	409	#if !EV_USE_NANOSLEEP
388	/* 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 */
389	# if !defined(_WIN32) && !defined(__hpux)	411	# if !defined _WIN32 && !defined __hpux
390	# include <sys/select.h>	412	# include <sys/select.h>
391	# endif	413	# endif
392	#endif	414	#endif
393		415
394	#if EV_USE_INOTIFY	416	#if EV_USE_INOTIFY
…		…
397	/* 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 */
398	# ifndef IN_DONT_FOLLOW	420	# ifndef IN_DONT_FOLLOW
399	# undef EV_USE_INOTIFY	421	# undef EV_USE_INOTIFY
400	# define EV_USE_INOTIFY 0	422	# define EV_USE_INOTIFY 0
401	# endif	423	# endif
402	#endif
403
404	#if EV_SELECT_IS_WINSOCKET
405	# include <winsock.h>
406	#endif	424	#endif
407		425
408	#if EV_USE_EVENTFD	426	#if EV_USE_EVENTFD
409	/* 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 */
410	# include <stdint.h>	428	# include <stdint.h>
…		…
467	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	485	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
468	/* ECB.H BEGIN */	486	/* ECB.H BEGIN */
469	/*	487	/*
470	* libecb - http://software.schmorp.de/pkg/libecb	488	* libecb - http://software.schmorp.de/pkg/libecb
471	*	489	*
472	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	490	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
473	* Copyright (©) 2011 Emanuele Giaquinta	491	* Copyright (©) 2011 Emanuele Giaquinta
474	* All rights reserved.	492	* All rights reserved.
475	*	493	*
476	* Redistribution and use in source and binary forms, with or without modifica-	494	* Redistribution and use in source and binary forms, with or without modifica-
477	* tion, are permitted provided that the following conditions are met:	495	* tion, are permitted provided that the following conditions are met:
…		…
496	*/	514	*/
497		515
498	#ifndef ECB_H	516	#ifndef ECB_H
499	#define ECB_H	517	#define ECB_H
500		518
		519	/* 16 bits major, 16 bits minor */
		520	#define ECB_VERSION 0x00010003
		521
501	#ifdef _WIN32	522	#ifdef _WIN32
502	typedef signed char int8_t;	523	typedef signed char int8_t;
503	typedef unsigned char uint8_t;	524	typedef unsigned char uint8_t;
504	typedef signed short int16_t;	525	typedef signed short int16_t;
505	typedef unsigned short uint16_t;	526	typedef unsigned short uint16_t;
…		…
510	typedef unsigned long long uint64_t;	531	typedef unsigned long long uint64_t;
511	#else /* _MSC_VER || __BORLANDC__ */	532	#else /* _MSC_VER || __BORLANDC__ */
512	typedef signed __int64 int64_t;	533	typedef signed __int64 int64_t;
513	typedef unsigned __int64 uint64_t;	534	typedef unsigned __int64 uint64_t;
514	#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
515	#else	545	#else
516	#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
517	#endif	561	#endif
518		562
519	/* many compilers define _GNUC_ to some versions but then only implement	563	/* many compilers define _GNUC_ to some versions but then only implement
520	* what their idiot authors think are the "more important" extensions,	564	* what their idiot authors think are the "more important" extensions,
521	* causing enormous grief in return for some better fake benchmark numbers.	565	* causing enormous grief in return for some better fake benchmark numbers.
522	* or so.	566	* or so.
523	* 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
524	* 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.
525	*/	569	*/
526	#ifndef ECB_GCC_VERSION	570	#ifndef ECB_GCC_VERSION
527	#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__
528	#define ECB_GCC_VERSION(major,minor) 0	572	#define ECB_GCC_VERSION(major,minor) 0
529	#else	573	#else
530	#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)))
531	#endif	575	#endif
532	#endif	576	#endif
533		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
534	/*****************************************************************************/	594	/*****************************************************************************/
535		595
536	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	596	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
537	/* 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 */
538		598
539	#if ECB_NO_THREADS || ECB_NO_SMP	599	#if ECB_NO_THREADS
		600	#define ECB_NO_SMP 1
		601	#endif
		602
		603	#if ECB_NO_SMP
540	#define ECB_MEMORY_FENCE do { } while (0)	604	#define ECB_MEMORY_FENCE do { } while (0)
541	#endif	605	#endif
542		606
543	#ifndef ECB_MEMORY_FENCE	607	#ifndef ECB_MEMORY_FENCE
544	#if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__)	608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
545	#if __i386__	609	#if __i386 || __i386__
546	#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")
547	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
548	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
549	#elif __amd64	613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
550	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
551	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	615	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
552	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
555	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
556	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	620	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
557	#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")
558	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
559	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
560	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	624	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		625	#elif __sparc || __sparc__
		626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		629	#elif defined __s390__ || defined __s390x__
		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")
561	#endif	648	#endif
562	#endif	649	#endif
563	#endif	650	#endif
564		651
565	#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
566	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)	666	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
567	#define ECB_MEMORY_FENCE __sync_synchronize ()	667	#define ECB_MEMORY_FENCE __sync_synchronize ()
568	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
569	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
570	#elif _MSC_VER >= 1400 /* VC++ 2005 */	668	#elif _MSC_VER >= 1400 /* VC++ 2005 */
571	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	669	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
572	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	670	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
573	#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 */
574	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	672	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
575	#elif defined(_WIN32)	673	#elif defined _WIN32
576	#include <WinNT.h>	674	#include <WinNT.h>
577	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	675	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		676	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		677	#include <mbarrier.h>
		678	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		679	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_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)
578	#endif	698	#endif
579	#endif	699	#endif
580		700
581	#ifndef ECB_MEMORY_FENCE	701	#ifndef ECB_MEMORY_FENCE
582	#if !ECB_AVOID_PTHREADS	702	#if !ECB_AVOID_PTHREADS
…		…
594	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	714	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
595	#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)
596	#endif	716	#endif
597	#endif	717	#endif
598		718
599	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	719	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
600	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	720	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
601	#endif	721	#endif
602		722
603	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	723	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
604	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	724	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
605	#endif	725	#endif
606		726
607	/*****************************************************************************/	727	/*****************************************************************************/
608
609	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
610		728
611	#if __cplusplus	729	#if __cplusplus
612	#define ecb_inline static inline	730	#define ecb_inline static inline
613	#elif ECB_GCC_VERSION(2,5)	731	#elif ECB_GCC_VERSION(2,5)
614	#define ecb_inline static __inline__	732	#define ecb_inline static __inline__
…		…
653	#elif ECB_GCC_VERSION(3,0)	771	#elif ECB_GCC_VERSION(3,0)
654	#define ecb_decltype(x) __typeof(x)	772	#define ecb_decltype(x) __typeof(x)
655	#endif	773	#endif
656		774
657	#define ecb_noinline ecb_attribute ((__noinline__))	775	#define ecb_noinline ecb_attribute ((__noinline__))
658	#define ecb_noreturn ecb_attribute ((__noreturn__))
659	#define ecb_unused ecb_attribute ((__unused__))	776	#define ecb_unused ecb_attribute ((__unused__))
660	#define ecb_const ecb_attribute ((__const__))	777	#define ecb_const ecb_attribute ((__const__))
661	#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
662		785
663	#if ECB_GCC_VERSION(4,3)	786	#if ECB_GCC_VERSION(4,3)
664	#define ecb_artificial ecb_attribute ((__artificial__))	787	#define ecb_artificial ecb_attribute ((__artificial__))
665	#define ecb_hot ecb_attribute ((__hot__))	788	#define ecb_hot ecb_attribute ((__hot__))
666	#define ecb_cold ecb_attribute ((__cold__))	789	#define ecb_cold ecb_attribute ((__cold__))
…		…
757		880
758	return r + ecb_ld32 (x);	881	return r + ecb_ld32 (x);
759	}	882	}
760	#endif	883	#endif
761		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
		890	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		891	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		892	{
		893	return ( (x * 0x0802U & 0x22110U)
		894	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		895	}
		896
		897	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		898	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		899	{
		900	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		901	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		902	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		903	x = ( x >> 8 ) | ( x << 8);
		904
		905	return x;
		906	}
		907
		908	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		909	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		910	{
		911	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		912	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		913	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		914	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		915	x = ( x >> 16 ) | ( x << 16);
		916
		917	return x;
		918	}
		919
762	/* popcount64 is only available on 64 bit cpus as gcc builtin */	920	/* popcount64 is only available on 64 bit cpus as gcc builtin */
763	/* so for this version we are lazy */	921	/* so for this version we are lazy */
764	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	922	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
765	ecb_function_ int	923	ecb_function_ int
766	ecb_popcount64 (uint64_t x)	924	ecb_popcount64 (uint64_t x)
…		…
815		973
816	#if ECB_GCC_VERSION(4,5)	974	#if ECB_GCC_VERSION(4,5)
817	#define ecb_unreachable() __builtin_unreachable ()	975	#define ecb_unreachable() __builtin_unreachable ()
818	#else	976	#else
819	/* this seems to work fine, but gcc always emits a warning for it :/ */	977	/* this seems to work fine, but gcc always emits a warning for it :/ */
820	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	978	ecb_inline void ecb_unreachable (void) ecb_noreturn;
821	ecb_function_ void ecb_unreachable (void) { }	979	ecb_inline void ecb_unreachable (void) { }
822	#endif	980	#endif
823		981
824	/* try to tell the compiler that some condition is definitely true */	982	/* try to tell the compiler that some condition is definitely true */
825	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	983	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
826		984
827	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	985	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
828	ecb_function_ unsigned char	986	ecb_inline unsigned char
829	ecb_byteorder_helper (void)	987	ecb_byteorder_helper (void)
830	{	988	{
831	const uint32_t u = 0x11223344;	989	/* the union code still generates code under pressure in gcc, */
832	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
833	}	1009	}
834		1010
835	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1011	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
836	ecb_function_ 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; }
837	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1013	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
838	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1014	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
839		1015
840	#if ECB_GCC_VERSION(3,0) || ECB_C99	1016	#if ECB_GCC_VERSION(3,0) || ECB_C99
841	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1017	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
842	#else	1018	#else
843	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1019	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
…		…
868	}	1044	}
869	#else	1045	#else
870	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1046	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
871	#endif	1047	#endif
872		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
873	#endif	1219	#endif
874		1220
875	/* ECB.H END */	1221	/* ECB.H END */
876		1222
877	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1223	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
878	/* if your architecture doesn't need memory fences, e.g. because it is	1224	/* if your architecture doesn't need memory fences, e.g. because it is
879	* single-cpu/core, or if you use libev in a project that doesn't use libev	1225	* single-cpu/core, or if you use libev in a project that doesn't use libev
880	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1226	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
881	* libev, in which casess the memory fences become nops.	1227	* libev, in which cases the memory fences become nops.
882	* alternatively, you can remove this #error and link against libpthread,	1228	* alternatively, you can remove this #error and link against libpthread,
883	* which will then provide the memory fences.	1229	* which will then provide the memory fences.
884	*/	1230	*/
885	# error "memory fences not defined for your architecture, please report"	1231	# error "memory fences not defined for your architecture, please report"
886	#endif	1232	#endif
…		…
1043	{	1389	{
1044	write (STDERR_FILENO, msg, strlen (msg));	1390	write (STDERR_FILENO, msg, strlen (msg));
1045	}	1391	}
1046	#endif	1392	#endif
1047		1393
1048	static void (*syserr_cb)(const char *msg);	1394	static void (*syserr_cb)(const char *msg) EV_THROW;
1049		1395
1050	void ecb_cold	1396	void ecb_cold
1051	ev_set_syserr_cb (void (*cb)(const char *msg))	1397	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1052	{	1398	{
1053	syserr_cb = cb;	1399	syserr_cb = cb;
1054	}	1400	}
1055		1401
1056	static void noinline ecb_cold	1402	static void noinline ecb_cold
…		…
1074	abort ();	1420	abort ();
1075	}	1421	}
1076	}	1422	}
1077		1423
1078	static void *	1424	static void *
1079	ev_realloc_emul (void *ptr, long size)	1425	ev_realloc_emul (void *ptr, long size) EV_THROW
1080	{	1426	{
1081	#if __GLIBC__
1082	return realloc (ptr, size);
1083	#else
1084	/* some systems, notably openbsd and darwin, fail to properly	1427	/* some systems, notably openbsd and darwin, fail to properly
1085	* 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
1086	* 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.
1087	*/	1432	*/
1088		1433
1089	if (size)	1434	if (size)
1090	return realloc (ptr, size);	1435	return realloc (ptr, size);
1091		1436
1092	free (ptr);	1437	free (ptr);
1093	return 0;	1438	return 0;
1094	#endif
1095	}	1439	}
1096		1440
1097	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1441	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1098		1442
1099	void ecb_cold	1443	void ecb_cold
1100	ev_set_allocator (void *(*cb)(void *ptr, long size))	1444	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1101	{	1445	{
1102	alloc = cb;	1446	alloc = cb;
1103	}	1447	}
1104		1448
1105	inline_speed void *	1449	inline_speed void *
…		…
1193	#undef VAR	1537	#undef VAR
1194	};	1538	};
1195	#include "ev_wrap.h"	1539	#include "ev_wrap.h"
1196		1540
1197	static struct ev_loop default_loop_struct;	1541	static struct ev_loop default_loop_struct;
1198	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a defintiino despite extern */	1542	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1199		1543
1200	#else	1544	#else
1201		1545
1202	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a defintiino despite extern */	1546	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1203	#define VAR(name,decl) static decl;	1547	#define VAR(name,decl) static decl;
1204	#include "ev_vars.h"	1548	#include "ev_vars.h"
1205	#undef VAR	1549	#undef VAR
1206		1550
1207	static int ev_default_loop_ptr;	1551	static int ev_default_loop_ptr;
…		…
1222		1566
1223	/*****************************************************************************/	1567	/*****************************************************************************/
1224		1568
1225	#ifndef EV_HAVE_EV_TIME	1569	#ifndef EV_HAVE_EV_TIME
1226	ev_tstamp	1570	ev_tstamp
1227	ev_time (void)	1571	ev_time (void) EV_THROW
1228	{	1572	{
1229	#if EV_USE_REALTIME	1573	#if EV_USE_REALTIME
1230	if (expect_true (have_realtime))	1574	if (expect_true (have_realtime))
1231	{	1575	{
1232	struct timespec ts;	1576	struct timespec ts;
…		…
1256	return ev_time ();	1600	return ev_time ();
1257	}	1601	}
1258		1602
1259	#if EV_MULTIPLICITY	1603	#if EV_MULTIPLICITY
1260	ev_tstamp	1604	ev_tstamp
1261	ev_now (EV_P)	1605	ev_now (EV_P) EV_THROW
1262	{	1606	{
1263	return ev_rt_now;	1607	return ev_rt_now;
1264	}	1608	}
1265	#endif	1609	#endif
1266		1610
1267	void	1611	void
1268	ev_sleep (ev_tstamp delay)	1612	ev_sleep (ev_tstamp delay) EV_THROW
1269	{	1613	{
1270	if (delay > 0.)	1614	if (delay > 0.)
1271	{	1615	{
1272	#if EV_USE_NANOSLEEP	1616	#if EV_USE_NANOSLEEP
1273	struct timespec ts;	1617	struct timespec ts;
1274		1618
1275	EV_TS_SET (ts, delay);	1619	EV_TS_SET (ts, delay);
1276	nanosleep (&ts, 0);	1620	nanosleep (&ts, 0);
1277	#elif defined(_WIN32)	1621	#elif defined _WIN32
1278	Sleep ((unsigned long)(delay * 1e3));	1622	Sleep ((unsigned long)(delay * 1e3));
1279	#else	1623	#else
1280	struct timeval tv;	1624	struct timeval tv;
1281		1625
1282	/* 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 */
…		…
1354	pendingcb (EV_P_ ev_prepare *w, int revents)	1698	pendingcb (EV_P_ ev_prepare *w, int revents)
1355	{	1699	{
1356	}	1700	}
1357		1701
1358	void noinline	1702	void noinline
1359	ev_feed_event (EV_P_ void *w, int revents)	1703	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1360	{	1704	{
1361	W w_ = (W)w;	1705	W w_ = (W)w;
1362	int pri = ABSPRI (w_);	1706	int pri = ABSPRI (w_);
1363		1707
1364	if (expect_false (w_->pending))	1708	if (expect_false (w_->pending))
…		…
1368	w_->pending = ++pendingcnt [pri];	1712	w_->pending = ++pendingcnt [pri];
1369	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1713	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1370	pendings [pri][w_->pending - 1].w = w_;	1714	pendings [pri][w_->pending - 1].w = w_;
1371	pendings [pri][w_->pending - 1].events = revents;	1715	pendings [pri][w_->pending - 1].events = revents;
1372	}	1716	}
		1717
		1718	pendingpri = NUMPRI - 1;
1373	}	1719	}
1374		1720
1375	inline_speed void	1721	inline_speed void
1376	feed_reverse (EV_P_ W w)	1722	feed_reverse (EV_P_ W w)
1377	{	1723	{
…		…
1423	if (expect_true (!anfd->reify))	1769	if (expect_true (!anfd->reify))
1424	fd_event_nocheck (EV_A_ fd, revents);	1770	fd_event_nocheck (EV_A_ fd, revents);
1425	}	1771	}
1426		1772
1427	void	1773	void
1428	ev_feed_fd_event (EV_P_ int fd, int revents)	1774	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1429	{	1775	{
1430	if (fd >= 0 && fd < anfdmax)	1776	if (fd >= 0 && fd < anfdmax)
1431	fd_event_nocheck (EV_A_ fd, revents);	1777	fd_event_nocheck (EV_A_ fd, revents);
1432	}	1778	}
1433		1779
…		…
1752	static void noinline ecb_cold	2098	static void noinline ecb_cold
1753	evpipe_init (EV_P)	2099	evpipe_init (EV_P)
1754	{	2100	{
1755	if (!ev_is_active (&pipe_w))	2101	if (!ev_is_active (&pipe_w))
1756	{	2102	{
		2103	int fds [2];
		2104
1757	# if EV_USE_EVENTFD	2105	# if EV_USE_EVENTFD
		2106	fds [0] = -1;
1758	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2107	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1759	if (evfd < 0 && errno == EINVAL)	2108	if (fds [1] < 0 && errno == EINVAL)
1760	evfd = eventfd (0, 0);	2109	fds [1] = eventfd (0, 0);
1761		2110
1762	if (evfd >= 0)	2111	if (fds [1] < 0)
		2112	# endif
1763	{	2113	{
		2114	while (pipe (fds))
		2115	ev_syserr ("(libev) error creating signal/async pipe");
		2116
		2117	fd_intern (fds [0]);
		2118	}
		2119
1764	evpipe [0] = -1;	2120	evpipe [0] = fds [0];
1765	fd_intern (evfd); /* doing it twice doesn't hurt */	2121
1766	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));
1767	}	2172	}
1768	else	2173	else
1769	# endif	2174	#endif
1770	{	2175	{
1771	while (pipe (evpipe))	2176	#ifdef _WIN32
1772	ev_syserr ("(libev) error creating signal/async pipe");	2177	WSABUF buf;
1773		2178	DWORD sent;
1774	fd_intern (evpipe [0]);	2179	buf.buf = &buf;
1775	fd_intern (evpipe [1]);	2180	buf.len = 1;
1776	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2181	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1777	}	2182	#else
1778
1779	ev_io_start (EV_A_ &pipe_w);
1780	ev_unref (EV_A); /* watcher should not keep loop alive */
1781	}
1782	}
1783
1784	inline_speed void
1785	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1786	{
1787	if (expect_true (*flag))
1788	return;
1789
1790	*flag = 1;
1791
1792	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1793
1794	pipe_write_skipped = 1;
1795
1796	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1797
1798	if (pipe_write_wanted)
1799	{
1800	int old_errno;
1801
1802	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1803
1804	old_errno = errno; /* save errno because write will clobber it */
1805
1806	#if EV_USE_EVENTFD
1807	if (evfd >= 0)
1808	{
1809	uint64_t counter = 1;
1810	write (evfd, &counter, sizeof (uint64_t));
1811	}
1812	else
1813	#endif
1814	{
1815	/* win32 people keep sending patches that change this write() to send() */
1816	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1817	/* so when you think this write should be a send instead, please find out */
1818	/* where your send() is from - it's definitely not the microsoft send, and */
1819	/* tell me. thank you. */
1820	write (evpipe [1], &(evpipe [1]), 1);	2183	write (evpipe [1], &(evpipe [1]), 1);
		2184	#endif
1821	}	2185	}
1822		2186
1823	errno = old_errno;	2187	errno = old_errno;
1824	}	2188	}
1825	}	2189	}
…		…
1832	int i;	2196	int i;
1833		2197
1834	if (revents & EV_READ)	2198	if (revents & EV_READ)
1835	{	2199	{
1836	#if EV_USE_EVENTFD	2200	#if EV_USE_EVENTFD
1837	if (evfd >= 0)	2201	if (evpipe [0] < 0)
1838	{	2202	{
1839	uint64_t counter;	2203	uint64_t counter;
1840	read (evfd, &counter, sizeof (uint64_t));	2204	read (evpipe [1], &counter, sizeof (uint64_t));
1841	}	2205	}
1842	else	2206	else
1843	#endif	2207	#endif
1844	{	2208	{
1845	char dummy;	2209	char dummy[4];
1846	/* 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
1847	read (evpipe [0], &dummy, 1);	2218	read (evpipe [0], &dummy, sizeof (dummy));
		2219	#endif
1848	}	2220	}
1849	}	2221	}
1850		2222
1851	pipe_write_skipped = 0;	2223	pipe_write_skipped = 0;
		2224
		2225	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1852		2226
1853	#if EV_SIGNAL_ENABLE	2227	#if EV_SIGNAL_ENABLE
1854	if (sig_pending)	2228	if (sig_pending)
1855	{	2229	{
1856	sig_pending = 0;	2230	sig_pending = 0;
		2231
		2232	ECB_MEMORY_FENCE;
1857		2233
1858	for (i = EV_NSIG - 1; i--; )	2234	for (i = EV_NSIG - 1; i--; )
1859	if (expect_false (signals [i].pending))	2235	if (expect_false (signals [i].pending))
1860	ev_feed_signal_event (EV_A_ i + 1);	2236	ev_feed_signal_event (EV_A_ i + 1);
1861	}	2237	}
…		…
1863		2239
1864	#if EV_ASYNC_ENABLE	2240	#if EV_ASYNC_ENABLE
1865	if (async_pending)	2241	if (async_pending)
1866	{	2242	{
1867	async_pending = 0;	2243	async_pending = 0;
		2244
		2245	ECB_MEMORY_FENCE;
1868		2246
1869	for (i = asynccnt; i--; )	2247	for (i = asynccnt; i--; )
1870	if (asyncs [i]->sent)	2248	if (asyncs [i]->sent)
1871	{	2249	{
1872	asyncs [i]->sent = 0;	2250	asyncs [i]->sent = 0;
		2251	ECB_MEMORY_FENCE_RELEASE;
1873	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2252	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1874	}	2253	}
1875	}	2254	}
1876	#endif	2255	#endif
1877	}	2256	}
1878		2257
1879	/*****************************************************************************/	2258	/*****************************************************************************/
1880		2259
1881	void	2260	void
1882	ev_feed_signal (int signum)	2261	ev_feed_signal (int signum) EV_THROW
1883	{	2262	{
1884	#if EV_MULTIPLICITY	2263	#if EV_MULTIPLICITY
		2264	EV_P;
		2265	ECB_MEMORY_FENCE_ACQUIRE;
1885	EV_P = signals [signum - 1].loop;	2266	EV_A = signals [signum - 1].loop;
1886		2267
1887	if (!EV_A)	2268	if (!EV_A)
1888	return;	2269	return;
1889	#endif	2270	#endif
1890		2271
1891	if (!ev_active (&pipe_w))
1892	return;
1893
1894	signals [signum - 1].pending = 1;	2272	signals [signum - 1].pending = 1;
1895	evpipe_write (EV_A_ &sig_pending);	2273	evpipe_write (EV_A_ &sig_pending);
1896	}	2274	}
1897		2275
1898	static void	2276	static void
…		…
1904		2282
1905	ev_feed_signal (signum);	2283	ev_feed_signal (signum);
1906	}	2284	}
1907		2285
1908	void noinline	2286	void noinline
1909	ev_feed_signal_event (EV_P_ int signum)	2287	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1910	{	2288	{
1911	WL w;	2289	WL w;
1912		2290
1913	if (expect_false (signum <= 0 || signum > EV_NSIG))	2291	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1914	return;	2292	return;
1915		2293
1916	--signum;	2294	--signum;
1917		2295
1918	#if EV_MULTIPLICITY	2296	#if EV_MULTIPLICITY
…		…
1922	if (expect_false (signals [signum].loop != EV_A))	2300	if (expect_false (signals [signum].loop != EV_A))
1923	return;	2301	return;
1924	#endif	2302	#endif
1925		2303
1926	signals [signum].pending = 0;	2304	signals [signum].pending = 0;
		2305	ECB_MEMORY_FENCE_RELEASE;
1927		2306
1928	for (w = signals [signum].head; w; w = w->next)	2307	for (w = signals [signum].head; w; w = w->next)
1929	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2308	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1930	}	2309	}
1931		2310
…		…
2030	#if EV_USE_SELECT	2409	#if EV_USE_SELECT
2031	# include "ev_select.c"	2410	# include "ev_select.c"
2032	#endif	2411	#endif
2033		2412
2034	int ecb_cold	2413	int ecb_cold
2035	ev_version_major (void)	2414	ev_version_major (void) EV_THROW
2036	{	2415	{
2037	return EV_VERSION_MAJOR;	2416	return EV_VERSION_MAJOR;
2038	}	2417	}
2039		2418
2040	int ecb_cold	2419	int ecb_cold
2041	ev_version_minor (void)	2420	ev_version_minor (void) EV_THROW
2042	{	2421	{
2043	return EV_VERSION_MINOR;	2422	return EV_VERSION_MINOR;
2044	}	2423	}
2045		2424
2046	/* 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 */
…		…
2054	|| getgid () != getegid ();	2433	|| getgid () != getegid ();
2055	#endif	2434	#endif
2056	}	2435	}
2057		2436
2058	unsigned int ecb_cold	2437	unsigned int ecb_cold
2059	ev_supported_backends (void)	2438	ev_supported_backends (void) EV_THROW
2060	{	2439	{
2061	unsigned int flags = 0;	2440	unsigned int flags = 0;
2062		2441
2063	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2442	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2064	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2443	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2068		2447
2069	return flags;	2448	return flags;
2070	}	2449	}
2071		2450
2072	unsigned int ecb_cold	2451	unsigned int ecb_cold
2073	ev_recommended_backends (void)	2452	ev_recommended_backends (void) EV_THROW
2074	{	2453	{
2075	unsigned int flags = ev_supported_backends ();	2454	unsigned int flags = ev_supported_backends ();
2076		2455
2077	#ifndef __NetBSD__	2456	#ifndef __NetBSD__
2078	/* kqueue is borked on everything but netbsd apparently */	2457	/* kqueue is borked on everything but netbsd apparently */
…		…
2090		2469
2091	return flags;	2470	return flags;
2092	}	2471	}
2093		2472
2094	unsigned int ecb_cold	2473	unsigned int ecb_cold
2095	ev_embeddable_backends (void)	2474	ev_embeddable_backends (void) EV_THROW
2096	{	2475	{
2097	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2476	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2098		2477
2099	/* 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 */
2100	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 */
…		…
2102		2481
2103	return flags;	2482	return flags;
2104	}	2483	}
2105		2484
2106	unsigned int	2485	unsigned int
2107	ev_backend (EV_P)	2486	ev_backend (EV_P) EV_THROW
2108	{	2487	{
2109	return backend;	2488	return backend;
2110	}	2489	}
2111		2490
2112	#if EV_FEATURE_API	2491	#if EV_FEATURE_API
2113	unsigned int	2492	unsigned int
2114	ev_iteration (EV_P)	2493	ev_iteration (EV_P) EV_THROW
2115	{	2494	{
2116	return loop_count;	2495	return loop_count;
2117	}	2496	}
2118		2497
2119	unsigned int	2498	unsigned int
2120	ev_depth (EV_P)	2499	ev_depth (EV_P) EV_THROW
2121	{	2500	{
2122	return loop_depth;	2501	return loop_depth;
2123	}	2502	}
2124		2503
2125	void	2504	void
2126	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2505	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2127	{	2506	{
2128	io_blocktime = interval;	2507	io_blocktime = interval;
2129	}	2508	}
2130		2509
2131	void	2510	void
2132	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2511	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2133	{	2512	{
2134	timeout_blocktime = interval;	2513	timeout_blocktime = interval;
2135	}	2514	}
2136		2515
2137	void	2516	void
2138	ev_set_userdata (EV_P_ void *data)	2517	ev_set_userdata (EV_P_ void *data) EV_THROW
2139	{	2518	{
2140	userdata = data;	2519	userdata = data;
2141	}	2520	}
2142		2521
2143	void *	2522	void *
2144	ev_userdata (EV_P)	2523	ev_userdata (EV_P) EV_THROW
2145	{	2524	{
2146	return userdata;	2525	return userdata;
2147	}	2526	}
2148		2527
2149	void	2528	void
2150	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
2151	{	2530	{
2152	invoke_cb = invoke_pending_cb;	2531	invoke_cb = invoke_pending_cb;
2153	}	2532	}
2154		2533
2155	void	2534	void
2156	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
2157	{	2536	{
2158	release_cb = release;	2537	release_cb = release;
2159	acquire_cb = acquire;	2538	acquire_cb = acquire;
2160	}	2539	}
2161	#endif	2540	#endif
2162		2541
2163	/* initialise a loop structure, must be zero-initialised */	2542	/* initialise a loop structure, must be zero-initialised */
2164	static void noinline ecb_cold	2543	static void noinline ecb_cold
2165	loop_init (EV_P_ unsigned int flags)	2544	loop_init (EV_P_ unsigned int flags) EV_THROW
2166	{	2545	{
2167	if (!backend)	2546	if (!backend)
2168	{	2547	{
2169	origflags = flags;	2548	origflags = flags;
2170		2549
…		…
2215	#if EV_ASYNC_ENABLE	2594	#if EV_ASYNC_ENABLE
2216	async_pending = 0;	2595	async_pending = 0;
2217	#endif	2596	#endif
2218	pipe_write_skipped = 0;	2597	pipe_write_skipped = 0;
2219	pipe_write_wanted = 0;	2598	pipe_write_wanted = 0;
		2599	evpipe [0] = -1;
		2600	evpipe [1] = -1;
2220	#if EV_USE_INOTIFY	2601	#if EV_USE_INOTIFY
2221	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2602	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2222	#endif	2603	#endif
2223	#if EV_USE_SIGNALFD	2604	#if EV_USE_SIGNALFD
2224	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2605	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2275	EV_INVOKE_PENDING;	2656	EV_INVOKE_PENDING;
2276	}	2657	}
2277	#endif	2658	#endif
2278		2659
2279	#if EV_CHILD_ENABLE	2660	#if EV_CHILD_ENABLE
2280	if (ev_is_active (&childev))	2661	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2281	{	2662	{
2282	ev_ref (EV_A); /* child watcher */	2663	ev_ref (EV_A); /* child watcher */
2283	ev_signal_stop (EV_A_ &childev);	2664	ev_signal_stop (EV_A_ &childev);
2284	}	2665	}
2285	#endif	2666	#endif
…		…
2287	if (ev_is_active (&pipe_w))	2668	if (ev_is_active (&pipe_w))
2288	{	2669	{
2289	/*ev_ref (EV_A);*/	2670	/*ev_ref (EV_A);*/
2290	/*ev_io_stop (EV_A_ &pipe_w);*/	2671	/*ev_io_stop (EV_A_ &pipe_w);*/
2291		2672
2292	#if EV_USE_EVENTFD
2293	if (evfd >= 0)
2294	close (evfd);
2295	#endif
2296
2297	if (evpipe [0] >= 0)
2298	{
2299	EV_WIN32_CLOSE_FD (evpipe [0]);	2673	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2300	EV_WIN32_CLOSE_FD (evpipe [1]);	2674	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2301	}
2302	}	2675	}
2303		2676
2304	#if EV_USE_SIGNALFD	2677	#if EV_USE_SIGNALFD
2305	if (ev_is_active (&sigfd_w))	2678	if (ev_is_active (&sigfd_w))
2306	close (sigfd);	2679	close (sigfd);
…		…
2392	#endif	2765	#endif
2393	#if EV_USE_INOTIFY	2766	#if EV_USE_INOTIFY
2394	infy_fork (EV_A);	2767	infy_fork (EV_A);
2395	#endif	2768	#endif
2396		2769
		2770	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2397	if (ev_is_active (&pipe_w))	2771	if (ev_is_active (&pipe_w))
2398	{	2772	{
2399	/* 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 */
2400		2774
2401	ev_ref (EV_A);	2775	ev_ref (EV_A);
2402	ev_io_stop (EV_A_ &pipe_w);	2776	ev_io_stop (EV_A_ &pipe_w);
2403		2777
2404	#if EV_USE_EVENTFD
2405	if (evfd >= 0)
2406	close (evfd);
2407	#endif
2408
2409	if (evpipe [0] >= 0)	2778	if (evpipe [0] >= 0)
2410	{
2411	EV_WIN32_CLOSE_FD (evpipe [0]);	2779	EV_WIN32_CLOSE_FD (evpipe [0]);
2412	EV_WIN32_CLOSE_FD (evpipe [1]);
2413	}
2414		2780
2415	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2416	evpipe_init (EV_A);	2781	evpipe_init (EV_A);
2417	/* now iterate over everything, in case we missed something */	2782	/* iterate over everything, in case we missed something before */
2418	pipecb (EV_A_ &pipe_w, EV_READ);	2783	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2419	#endif
2420	}	2784	}
		2785	#endif
2421		2786
2422	postfork = 0;	2787	postfork = 0;
2423	}	2788	}
2424		2789
2425	#if EV_MULTIPLICITY	2790	#if EV_MULTIPLICITY
2426		2791
2427	struct ev_loop * ecb_cold	2792	struct ev_loop * ecb_cold
2428	ev_loop_new (unsigned int flags)	2793	ev_loop_new (unsigned int flags) EV_THROW
2429	{	2794	{
2430	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2795	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2431		2796
2432	memset (EV_A, 0, sizeof (struct ev_loop));	2797	memset (EV_A, 0, sizeof (struct ev_loop));
2433	loop_init (EV_A_ flags);	2798	loop_init (EV_A_ flags);
…		…
2477	}	2842	}
2478	#endif	2843	#endif
2479		2844
2480	#if EV_FEATURE_API	2845	#if EV_FEATURE_API
2481	void ecb_cold	2846	void ecb_cold
2482	ev_verify (EV_P)	2847	ev_verify (EV_P) EV_THROW
2483	{	2848	{
2484	#if EV_VERIFY	2849	#if EV_VERIFY
2485	int i;	2850	int i;
2486	WL w;	2851	WL w, w2;
2487		2852
2488	assert (activecnt >= -1);	2853	assert (activecnt >= -1);
2489		2854
2490	assert (fdchangemax >= fdchangecnt);	2855	assert (fdchangemax >= fdchangecnt);
2491	for (i = 0; i < fdchangecnt; ++i)	2856	for (i = 0; i < fdchangecnt; ++i)
2492	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2857	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2493		2858
2494	assert (anfdmax >= 0);	2859	assert (anfdmax >= 0);
2495	for (i = 0; i < anfdmax; ++i)	2860	for (i = 0; i < anfdmax; ++i)
		2861	{
		2862	int j = 0;
		2863
2496	for (w = anfds [i].head; w; w = w->next)	2864	for (w = w2 = anfds [i].head; w; w = w->next)
2497	{	2865	{
2498	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
2499	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));
2500	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));
2501	}	2876	}
		2877	}
2502		2878
2503	assert (timermax >= timercnt);	2879	assert (timermax >= timercnt);
2504	verify_heap (EV_A_ timers, timercnt);	2880	verify_heap (EV_A_ timers, timercnt);
2505		2881
2506	#if EV_PERIODIC_ENABLE	2882	#if EV_PERIODIC_ENABLE
…		…
2556	#if EV_MULTIPLICITY	2932	#if EV_MULTIPLICITY
2557	struct ev_loop * ecb_cold	2933	struct ev_loop * ecb_cold
2558	#else	2934	#else
2559	int	2935	int
2560	#endif	2936	#endif
2561	ev_default_loop (unsigned int flags)	2937	ev_default_loop (unsigned int flags) EV_THROW
2562	{	2938	{
2563	if (!ev_default_loop_ptr)	2939	if (!ev_default_loop_ptr)
2564	{	2940	{
2565	#if EV_MULTIPLICITY	2941	#if EV_MULTIPLICITY
2566	EV_P = ev_default_loop_ptr = &default_loop_struct;	2942	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2585		2961
2586	return ev_default_loop_ptr;	2962	return ev_default_loop_ptr;
2587	}	2963	}
2588		2964
2589	void	2965	void
2590	ev_loop_fork (EV_P)	2966	ev_loop_fork (EV_P) EV_THROW
2591	{	2967	{
2592	postfork = 1; /* must be in line with ev_default_fork */	2968	postfork = 1;
2593	}	2969	}
2594		2970
2595	/*****************************************************************************/	2971	/*****************************************************************************/
2596		2972
2597	void	2973	void
…		…
2599	{	2975	{
2600	EV_CB_INVOKE ((W)w, revents);	2976	EV_CB_INVOKE ((W)w, revents);
2601	}	2977	}
2602		2978
2603	unsigned int	2979	unsigned int
2604	ev_pending_count (EV_P)	2980	ev_pending_count (EV_P) EV_THROW
2605	{	2981	{
2606	int pri;	2982	int pri;
2607	unsigned int count = 0;	2983	unsigned int count = 0;
2608		2984
2609	for (pri = NUMPRI; pri--; )	2985	for (pri = NUMPRI; pri--; )
…		…
2613	}	2989	}
2614		2990
2615	void noinline	2991	void noinline
2616	ev_invoke_pending (EV_P)	2992	ev_invoke_pending (EV_P)
2617	{	2993	{
2618	int pri;	2994	pendingpri = NUMPRI;
2619		2995
2620	for (pri = NUMPRI; pri--; )	2996	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2997	{
		2998	--pendingpri;
		2999
2621	while (pendingcnt [pri])	3000	while (pendingcnt [pendingpri])
2622	{	3001	{
2623	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3002	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2624		3003
2625	p->w->pending = 0;	3004	p->w->pending = 0;
2626	EV_CB_INVOKE (p->w, p->events);	3005	EV_CB_INVOKE (p->w, p->events);
2627	EV_FREQUENT_CHECK;	3006	EV_FREQUENT_CHECK;
2628	}	3007	}
		3008	}
2629	}	3009	}
2630		3010
2631	#if EV_IDLE_ENABLE	3011	#if EV_IDLE_ENABLE
2632	/* make idle watchers pending. this handles the "call-idle */	3012	/* make idle watchers pending. this handles the "call-idle */
2633	/* only when higher priorities are idle" logic */	3013	/* only when higher priorities are idle" logic */
…		…
2723	{	3103	{
2724	EV_FREQUENT_CHECK;	3104	EV_FREQUENT_CHECK;
2725		3105
2726	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3106	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2727	{	3107	{
2728	int feed_count = 0;
2729
2730	do	3108	do
2731	{	3109	{
2732	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3110	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2733		3111
2734	/*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)));*/
…		…
2868		3246
2869	mn_now = ev_rt_now;	3247	mn_now = ev_rt_now;
2870	}	3248	}
2871	}	3249	}
2872		3250
2873	void	3251	int
2874	ev_run (EV_P_ int flags)	3252	ev_run (EV_P_ int flags)
2875	{	3253	{
2876	#if EV_FEATURE_API	3254	#if EV_FEATURE_API
2877	++loop_depth;	3255	++loop_depth;
2878	#endif	3256	#endif
…		…
2991	#endif	3369	#endif
2992	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3370	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2993	backend_poll (EV_A_ waittime);	3371	backend_poll (EV_A_ waittime);
2994	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3372	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2995		3373
2996	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3374	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2997		3375
		3376	ECB_MEMORY_FENCE_ACQUIRE;
2998	if (pipe_write_skipped)	3377	if (pipe_write_skipped)
2999	{	3378	{
3000	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)));
3001	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3380	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3002	}	3381	}
…		…
3035	loop_done = EVBREAK_CANCEL;	3414	loop_done = EVBREAK_CANCEL;
3036		3415
3037	#if EV_FEATURE_API	3416	#if EV_FEATURE_API
3038	--loop_depth;	3417	--loop_depth;
3039	#endif	3418	#endif
		3419
		3420	return activecnt;
3040	}	3421	}
3041		3422
3042	void	3423	void
3043	ev_break (EV_P_ int how)	3424	ev_break (EV_P_ int how) EV_THROW
3044	{	3425	{
3045	loop_done = how;	3426	loop_done = how;
3046	}	3427	}
3047		3428
3048	void	3429	void
3049	ev_ref (EV_P)	3430	ev_ref (EV_P) EV_THROW
3050	{	3431	{
3051	++activecnt;	3432	++activecnt;
3052	}	3433	}
3053		3434
3054	void	3435	void
3055	ev_unref (EV_P)	3436	ev_unref (EV_P) EV_THROW
3056	{	3437	{
3057	--activecnt;	3438	--activecnt;
3058	}	3439	}
3059		3440
3060	void	3441	void
3061	ev_now_update (EV_P)	3442	ev_now_update (EV_P) EV_THROW
3062	{	3443	{
3063	time_update (EV_A_ 1e100);	3444	time_update (EV_A_ 1e100);
3064	}	3445	}
3065		3446
3066	void	3447	void
3067	ev_suspend (EV_P)	3448	ev_suspend (EV_P) EV_THROW
3068	{	3449	{
3069	ev_now_update (EV_A);	3450	ev_now_update (EV_A);
3070	}	3451	}
3071		3452
3072	void	3453	void
3073	ev_resume (EV_P)	3454	ev_resume (EV_P) EV_THROW
3074	{	3455	{
3075	ev_tstamp mn_prev = mn_now;	3456	ev_tstamp mn_prev = mn_now;
3076		3457
3077	ev_now_update (EV_A);	3458	ev_now_update (EV_A);
3078	timers_reschedule (EV_A_ mn_now - mn_prev);	3459	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3117	w->pending = 0;	3498	w->pending = 0;
3118	}	3499	}
3119	}	3500	}
3120		3501
3121	int	3502	int
3122	ev_clear_pending (EV_P_ void *w)	3503	ev_clear_pending (EV_P_ void *w) EV_THROW
3123	{	3504	{
3124	W w_ = (W)w;	3505	W w_ = (W)w;
3125	int pending = w_->pending;	3506	int pending = w_->pending;
3126		3507
3127	if (expect_true (pending))	3508	if (expect_true (pending))
…		…
3160	}	3541	}
3161		3542
3162	/*****************************************************************************/	3543	/*****************************************************************************/
3163		3544
3164	void noinline	3545	void noinline
3165	ev_io_start (EV_P_ ev_io *w)	3546	ev_io_start (EV_P_ ev_io *w) EV_THROW
3166	{	3547	{
3167	int fd = w->fd;	3548	int fd = w->fd;
3168		3549
3169	if (expect_false (ev_is_active (w)))	3550	if (expect_false (ev_is_active (w)))
3170	return;	3551	return;
…		…
3176		3557
3177	ev_start (EV_A_ (W)w, 1);	3558	ev_start (EV_A_ (W)w, 1);
3178	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3559	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3179	wlist_add (&anfds[fd].head, (WL)w);	3560	wlist_add (&anfds[fd].head, (WL)w);
3180		3561
		3562	/* common bug, apparently */
		3563	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3564
3181	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);
3182	w->events &= ~EV__IOFDSET;	3566	w->events &= ~EV__IOFDSET;
3183		3567
3184	EV_FREQUENT_CHECK;	3568	EV_FREQUENT_CHECK;
3185	}	3569	}
3186		3570
3187	void noinline	3571	void noinline
3188	ev_io_stop (EV_P_ ev_io *w)	3572	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3189	{	3573	{
3190	clear_pending (EV_A_ (W)w);	3574	clear_pending (EV_A_ (W)w);
3191	if (expect_false (!ev_is_active (w)))	3575	if (expect_false (!ev_is_active (w)))
3192	return;	3576	return;
3193		3577
…		…
3202		3586
3203	EV_FREQUENT_CHECK;	3587	EV_FREQUENT_CHECK;
3204	}	3588	}
3205		3589
3206	void noinline	3590	void noinline
3207	ev_timer_start (EV_P_ ev_timer *w)	3591	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3208	{	3592	{
3209	if (expect_false (ev_is_active (w)))	3593	if (expect_false (ev_is_active (w)))
3210	return;	3594	return;
3211		3595
3212	ev_at (w) += mn_now;	3596	ev_at (w) += mn_now;
…		…
3226		3610
3227	/*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));*/
3228	}	3612	}
3229		3613
3230	void noinline	3614	void noinline
3231	ev_timer_stop (EV_P_ ev_timer *w)	3615	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3232	{	3616	{
3233	clear_pending (EV_A_ (W)w);	3617	clear_pending (EV_A_ (W)w);
3234	if (expect_false (!ev_is_active (w)))	3618	if (expect_false (!ev_is_active (w)))
3235	return;	3619	return;
3236		3620
…		…
3256		3640
3257	EV_FREQUENT_CHECK;	3641	EV_FREQUENT_CHECK;
3258	}	3642	}
3259		3643
3260	void noinline	3644	void noinline
3261	ev_timer_again (EV_P_ ev_timer *w)	3645	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3262	{	3646	{
3263	EV_FREQUENT_CHECK;	3647	EV_FREQUENT_CHECK;
		3648
		3649	clear_pending (EV_A_ (W)w);
3264		3650
3265	if (ev_is_active (w))	3651	if (ev_is_active (w))
3266	{	3652	{
3267	if (w->repeat)	3653	if (w->repeat)
3268	{	3654	{
…		…
3281		3667
3282	EV_FREQUENT_CHECK;	3668	EV_FREQUENT_CHECK;
3283	}	3669	}
3284		3670
3285	ev_tstamp	3671	ev_tstamp
3286	ev_timer_remaining (EV_P_ ev_timer *w)	3672	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3287	{	3673	{
3288	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3674	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3289	}	3675	}
3290		3676
3291	#if EV_PERIODIC_ENABLE	3677	#if EV_PERIODIC_ENABLE
3292	void noinline	3678	void noinline
3293	ev_periodic_start (EV_P_ ev_periodic *w)	3679	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3294	{	3680	{
3295	if (expect_false (ev_is_active (w)))	3681	if (expect_false (ev_is_active (w)))
3296	return;	3682	return;
3297		3683
3298	if (w->reschedule_cb)	3684	if (w->reschedule_cb)
…		…
3318		3704
3319	/*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));*/
3320	}	3706	}
3321		3707
3322	void noinline	3708	void noinline
3323	ev_periodic_stop (EV_P_ ev_periodic *w)	3709	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3324	{	3710	{
3325	clear_pending (EV_A_ (W)w);	3711	clear_pending (EV_A_ (W)w);
3326	if (expect_false (!ev_is_active (w)))	3712	if (expect_false (!ev_is_active (w)))
3327	return;	3713	return;
3328		3714
…		…
3346		3732
3347	EV_FREQUENT_CHECK;	3733	EV_FREQUENT_CHECK;
3348	}	3734	}
3349		3735
3350	void noinline	3736	void noinline
3351	ev_periodic_again (EV_P_ ev_periodic *w)	3737	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3352	{	3738	{
3353	/* TODO: use adjustheap and recalculation */	3739	/* TODO: use adjustheap and recalculation */
3354	ev_periodic_stop (EV_A_ w);	3740	ev_periodic_stop (EV_A_ w);
3355	ev_periodic_start (EV_A_ w);	3741	ev_periodic_start (EV_A_ w);
3356	}	3742	}
…		…
3361	#endif	3747	#endif
3362		3748
3363	#if EV_SIGNAL_ENABLE	3749	#if EV_SIGNAL_ENABLE
3364		3750
3365	void noinline	3751	void noinline
3366	ev_signal_start (EV_P_ ev_signal *w)	3752	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3367	{	3753	{
3368	if (expect_false (ev_is_active (w)))	3754	if (expect_false (ev_is_active (w)))
3369	return;	3755	return;
3370		3756
3371	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));
…		…
3373	#if EV_MULTIPLICITY	3759	#if EV_MULTIPLICITY
3374	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",
3375	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3761	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3376		3762
3377	signals [w->signum - 1].loop = EV_A;	3763	signals [w->signum - 1].loop = EV_A;
		3764	ECB_MEMORY_FENCE_RELEASE;
3378	#endif	3765	#endif
3379		3766
3380	EV_FREQUENT_CHECK;	3767	EV_FREQUENT_CHECK;
3381		3768
3382	#if EV_USE_SIGNALFD	3769	#if EV_USE_SIGNALFD
…		…
3442		3829
3443	EV_FREQUENT_CHECK;	3830	EV_FREQUENT_CHECK;
3444	}	3831	}
3445		3832
3446	void noinline	3833	void noinline
3447	ev_signal_stop (EV_P_ ev_signal *w)	3834	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3448	{	3835	{
3449	clear_pending (EV_A_ (W)w);	3836	clear_pending (EV_A_ (W)w);
3450	if (expect_false (!ev_is_active (w)))	3837	if (expect_false (!ev_is_active (w)))
3451	return;	3838	return;
3452		3839
…		…
3483	#endif	3870	#endif
3484		3871
3485	#if EV_CHILD_ENABLE	3872	#if EV_CHILD_ENABLE
3486		3873
3487	void	3874	void
3488	ev_child_start (EV_P_ ev_child *w)	3875	ev_child_start (EV_P_ ev_child *w) EV_THROW
3489	{	3876	{
3490	#if EV_MULTIPLICITY	3877	#if EV_MULTIPLICITY
3491	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));
3492	#endif	3879	#endif
3493	if (expect_false (ev_is_active (w)))	3880	if (expect_false (ev_is_active (w)))
…		…
3500		3887
3501	EV_FREQUENT_CHECK;	3888	EV_FREQUENT_CHECK;
3502	}	3889	}
3503		3890
3504	void	3891	void
3505	ev_child_stop (EV_P_ ev_child *w)	3892	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3506	{	3893	{
3507	clear_pending (EV_A_ (W)w);	3894	clear_pending (EV_A_ (W)w);
3508	if (expect_false (!ev_is_active (w)))	3895	if (expect_false (!ev_is_active (w)))
3509	return;	3896	return;
3510		3897
…		…
3537	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3924	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3538		3925
3539	static void noinline	3926	static void noinline
3540	infy_add (EV_P_ ev_stat *w)	3927	infy_add (EV_P_ ev_stat *w)
3541	{	3928	{
3542	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);
3543		3933
3544	if (w->wd >= 0)	3934	if (w->wd >= 0)
3545	{	3935	{
3546	struct statfs sfs;	3936	struct statfs sfs;
3547		3937
…		…
3551		3941
3552	if (!fs_2625)	3942	if (!fs_2625)
3553	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3943	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3554	else if (!statfs (w->path, &sfs)	3944	else if (!statfs (w->path, &sfs)
3555	&& (sfs.f_type == 0x1373 /* devfs */	3945	&& (sfs.f_type == 0x1373 /* devfs */
		3946	|| sfs.f_type == 0x4006 /* fat */
		3947	|| sfs.f_type == 0x4d44 /* msdos */
3556	|| 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 */
3557	|| sfs.f_type == 0x3153464a /* jfs */	3952	|| sfs.f_type == 0x3153464a /* jfs */
		3953	|| sfs.f_type == 0x9123683e /* btrfs */
3558	|| sfs.f_type == 0x52654973 /* reiser3 */	3954	|| sfs.f_type == 0x52654973 /* reiser3 */
3559	|| sfs.f_type == 0x01021994 /* tempfs */	3955	|| sfs.f_type == 0x01021994 /* tmpfs */
3560	|| sfs.f_type == 0x58465342 /* xfs */))	3956	|| sfs.f_type == 0x58465342 /* xfs */))
3561	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3957	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3562	else	3958	else
3563	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 */
3564	}	3960	}
…		…
3677	}	4073	}
3678		4074
3679	inline_size int	4075	inline_size int
3680	infy_newfd (void)	4076	infy_newfd (void)
3681	{	4077	{
3682	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4078	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3683	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4079	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3684	if (fd >= 0)	4080	if (fd >= 0)
3685	return fd;	4081	return fd;
3686	#endif	4082	#endif
3687	return inotify_init ();	4083	return inotify_init ();
…		…
3762	#else	4158	#else
3763	# define EV_LSTAT(p,b) lstat (p, b)	4159	# define EV_LSTAT(p,b) lstat (p, b)
3764	#endif	4160	#endif
3765		4161
3766	void	4162	void
3767	ev_stat_stat (EV_P_ ev_stat *w)	4163	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3768	{	4164	{
3769	if (lstat (w->path, &w->attr) < 0)	4165	if (lstat (w->path, &w->attr) < 0)
3770	w->attr.st_nlink = 0;	4166	w->attr.st_nlink = 0;
3771	else if (!w->attr.st_nlink)	4167	else if (!w->attr.st_nlink)
3772	w->attr.st_nlink = 1;	4168	w->attr.st_nlink = 1;
…		…
3811	ev_feed_event (EV_A_ w, EV_STAT);	4207	ev_feed_event (EV_A_ w, EV_STAT);
3812	}	4208	}
3813	}	4209	}
3814		4210
3815	void	4211	void
3816	ev_stat_start (EV_P_ ev_stat *w)	4212	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3817	{	4213	{
3818	if (expect_false (ev_is_active (w)))	4214	if (expect_false (ev_is_active (w)))
3819	return;	4215	return;
3820		4216
3821	ev_stat_stat (EV_A_ w);	4217	ev_stat_stat (EV_A_ w);
…		…
3842		4238
3843	EV_FREQUENT_CHECK;	4239	EV_FREQUENT_CHECK;
3844	}	4240	}
3845		4241
3846	void	4242	void
3847	ev_stat_stop (EV_P_ ev_stat *w)	4243	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3848	{	4244	{
3849	clear_pending (EV_A_ (W)w);	4245	clear_pending (EV_A_ (W)w);
3850	if (expect_false (!ev_is_active (w)))	4246	if (expect_false (!ev_is_active (w)))
3851	return;	4247	return;
3852		4248
…		…
3868	}	4264	}
3869	#endif	4265	#endif
3870		4266
3871	#if EV_IDLE_ENABLE	4267	#if EV_IDLE_ENABLE
3872	void	4268	void
3873	ev_idle_start (EV_P_ ev_idle *w)	4269	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3874	{	4270	{
3875	if (expect_false (ev_is_active (w)))	4271	if (expect_false (ev_is_active (w)))
3876	return;	4272	return;
3877		4273
3878	pri_adjust (EV_A_ (W)w);	4274	pri_adjust (EV_A_ (W)w);
…		…
3891		4287
3892	EV_FREQUENT_CHECK;	4288	EV_FREQUENT_CHECK;
3893	}	4289	}
3894		4290
3895	void	4291	void
3896	ev_idle_stop (EV_P_ ev_idle *w)	4292	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3897	{	4293	{
3898	clear_pending (EV_A_ (W)w);	4294	clear_pending (EV_A_ (W)w);
3899	if (expect_false (!ev_is_active (w)))	4295	if (expect_false (!ev_is_active (w)))
3900	return;	4296	return;
3901		4297
…		…
3915	}	4311	}
3916	#endif	4312	#endif
3917		4313
3918	#if EV_PREPARE_ENABLE	4314	#if EV_PREPARE_ENABLE
3919	void	4315	void
3920	ev_prepare_start (EV_P_ ev_prepare *w)	4316	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3921	{	4317	{
3922	if (expect_false (ev_is_active (w)))	4318	if (expect_false (ev_is_active (w)))
3923	return;	4319	return;
3924		4320
3925	EV_FREQUENT_CHECK;	4321	EV_FREQUENT_CHECK;
…		…
3930		4326
3931	EV_FREQUENT_CHECK;	4327	EV_FREQUENT_CHECK;
3932	}	4328	}
3933		4329
3934	void	4330	void
3935	ev_prepare_stop (EV_P_ ev_prepare *w)	4331	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3936	{	4332	{
3937	clear_pending (EV_A_ (W)w);	4333	clear_pending (EV_A_ (W)w);
3938	if (expect_false (!ev_is_active (w)))	4334	if (expect_false (!ev_is_active (w)))
3939	return;	4335	return;
3940		4336
…		…
3953	}	4349	}
3954	#endif	4350	#endif
3955		4351
3956	#if EV_CHECK_ENABLE	4352	#if EV_CHECK_ENABLE
3957	void	4353	void
3958	ev_check_start (EV_P_ ev_check *w)	4354	ev_check_start (EV_P_ ev_check *w) EV_THROW
3959	{	4355	{
3960	if (expect_false (ev_is_active (w)))	4356	if (expect_false (ev_is_active (w)))
3961	return;	4357	return;
3962		4358
3963	EV_FREQUENT_CHECK;	4359	EV_FREQUENT_CHECK;
…		…
3968		4364
3969	EV_FREQUENT_CHECK;	4365	EV_FREQUENT_CHECK;
3970	}	4366	}
3971		4367
3972	void	4368	void
3973	ev_check_stop (EV_P_ ev_check *w)	4369	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3974	{	4370	{
3975	clear_pending (EV_A_ (W)w);	4371	clear_pending (EV_A_ (W)w);
3976	if (expect_false (!ev_is_active (w)))	4372	if (expect_false (!ev_is_active (w)))
3977	return;	4373	return;
3978		4374
…		…
3991	}	4387	}
3992	#endif	4388	#endif
3993		4389
3994	#if EV_EMBED_ENABLE	4390	#if EV_EMBED_ENABLE
3995	void noinline	4391	void noinline
3996	ev_embed_sweep (EV_P_ ev_embed *w)	4392	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3997	{	4393	{
3998	ev_run (w->other, EVRUN_NOWAIT);	4394	ev_run (w->other, EVRUN_NOWAIT);
3999	}	4395	}
4000		4396
4001	static void	4397	static void
…		…
4049	ev_idle_stop (EV_A_ idle);	4445	ev_idle_stop (EV_A_ idle);
4050	}	4446	}
4051	#endif	4447	#endif
4052		4448
4053	void	4449	void
4054	ev_embed_start (EV_P_ ev_embed *w)	4450	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4055	{	4451	{
4056	if (expect_false (ev_is_active (w)))	4452	if (expect_false (ev_is_active (w)))
4057	return;	4453	return;
4058		4454
4059	{	4455	{
…		…
4080		4476
4081	EV_FREQUENT_CHECK;	4477	EV_FREQUENT_CHECK;
4082	}	4478	}
4083		4479
4084	void	4480	void
4085	ev_embed_stop (EV_P_ ev_embed *w)	4481	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4086	{	4482	{
4087	clear_pending (EV_A_ (W)w);	4483	clear_pending (EV_A_ (W)w);
4088	if (expect_false (!ev_is_active (w)))	4484	if (expect_false (!ev_is_active (w)))
4089	return;	4485	return;
4090		4486
…		…
4100	}	4496	}
4101	#endif	4497	#endif
4102		4498
4103	#if EV_FORK_ENABLE	4499	#if EV_FORK_ENABLE
4104	void	4500	void
4105	ev_fork_start (EV_P_ ev_fork *w)	4501	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4106	{	4502	{
4107	if (expect_false (ev_is_active (w)))	4503	if (expect_false (ev_is_active (w)))
4108	return;	4504	return;
4109		4505
4110	EV_FREQUENT_CHECK;	4506	EV_FREQUENT_CHECK;
…		…
4115		4511
4116	EV_FREQUENT_CHECK;	4512	EV_FREQUENT_CHECK;
4117	}	4513	}
4118		4514
4119	void	4515	void
4120	ev_fork_stop (EV_P_ ev_fork *w)	4516	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4121	{	4517	{
4122	clear_pending (EV_A_ (W)w);	4518	clear_pending (EV_A_ (W)w);
4123	if (expect_false (!ev_is_active (w)))	4519	if (expect_false (!ev_is_active (w)))
4124	return;	4520	return;
4125		4521
…		…
4138	}	4534	}
4139	#endif	4535	#endif
4140		4536
4141	#if EV_CLEANUP_ENABLE	4537	#if EV_CLEANUP_ENABLE
4142	void	4538	void
4143	ev_cleanup_start (EV_P_ ev_cleanup *w)	4539	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4144	{	4540	{
4145	if (expect_false (ev_is_active (w)))	4541	if (expect_false (ev_is_active (w)))
4146	return;	4542	return;
4147		4543
4148	EV_FREQUENT_CHECK;	4544	EV_FREQUENT_CHECK;
…		…
4155	ev_unref (EV_A);	4551	ev_unref (EV_A);
4156	EV_FREQUENT_CHECK;	4552	EV_FREQUENT_CHECK;
4157	}	4553	}
4158		4554
4159	void	4555	void
4160	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4556	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4161	{	4557	{
4162	clear_pending (EV_A_ (W)w);	4558	clear_pending (EV_A_ (W)w);
4163	if (expect_false (!ev_is_active (w)))	4559	if (expect_false (!ev_is_active (w)))
4164	return;	4560	return;
4165		4561
…		…
4179	}	4575	}
4180	#endif	4576	#endif
4181		4577
4182	#if EV_ASYNC_ENABLE	4578	#if EV_ASYNC_ENABLE
4183	void	4579	void
4184	ev_async_start (EV_P_ ev_async *w)	4580	ev_async_start (EV_P_ ev_async *w) EV_THROW
4185	{	4581	{
4186	if (expect_false (ev_is_active (w)))	4582	if (expect_false (ev_is_active (w)))
4187	return;	4583	return;
4188		4584
4189	w->sent = 0;	4585	w->sent = 0;
…		…
4198		4594
4199	EV_FREQUENT_CHECK;	4595	EV_FREQUENT_CHECK;
4200	}	4596	}
4201		4597
4202	void	4598	void
4203	ev_async_stop (EV_P_ ev_async *w)	4599	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4204	{	4600	{
4205	clear_pending (EV_A_ (W)w);	4601	clear_pending (EV_A_ (W)w);
4206	if (expect_false (!ev_is_active (w)))	4602	if (expect_false (!ev_is_active (w)))
4207	return;	4603	return;
4208		4604
…		…
4219		4615
4220	EV_FREQUENT_CHECK;	4616	EV_FREQUENT_CHECK;
4221	}	4617	}
4222		4618
4223	void	4619	void
4224	ev_async_send (EV_P_ ev_async *w)	4620	ev_async_send (EV_P_ ev_async *w) EV_THROW
4225	{	4621	{
4226	w->sent = 1;	4622	w->sent = 1;
4227	evpipe_write (EV_A_ &async_pending);	4623	evpipe_write (EV_A_ &async_pending);
4228	}	4624	}
4229	#endif	4625	#endif
…		…
4266		4662
4267	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));
4268	}	4664	}
4269		4665
4270	void	4666	void
4271	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
4272	{	4668	{
4273	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));
4274		4670
4275	if (expect_false (!once))	4671	if (expect_false (!once))
4276	{	4672	{
…		…
4298		4694
4299	/*****************************************************************************/	4695	/*****************************************************************************/
4300		4696
4301	#if EV_WALK_ENABLE	4697	#if EV_WALK_ENABLE
4302	void ecb_cold	4698	void ecb_cold
4303	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
4304	{	4700	{
4305	int i, j;	4701	int i, j;
4306	ev_watcher_list *wl, *wn;	4702	ev_watcher_list *wl, *wn;
4307		4703
4308	if (types & (EV_IO | EV_EMBED))	4704	if (types & (EV_IO | EV_EMBED))

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