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Comparing libev/ev.c (file contents):
Revision 1.396 by root, Wed Aug 24 16:13:17 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	EV_CPP(extern "C" {)	188	#if EV_NO_THREADS
		189	# undef EV_NO_SMP
		190	# define EV_NO_SMP 1
		191	# undef ECB_NO_THREADS
		192	# define ECB_NO_THREADS 1
		193	#endif
		194	#if EV_NO_SMP
		195	# undef EV_NO_SMP
		196	# define ECB_NO_SMP 1
		197	#endif
189		198
190	#ifndef _WIN32	199	#ifndef _WIN32
191	# include <sys/time.h>	200	# include <sys/time.h>
192	# include <sys/wait.h>	201	# include <sys/wait.h>
193	# include <unistd.h>	202	# include <unistd.h>
194	#else	203	#else
195	# include <io.h>	204	# include <io.h>
196	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
197	# include <windows.h>	207	# include <windows.h>
198	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
199	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
200	# endif	210	# endif
201	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
211		221
212	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
213		223
214	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	225	#if defined EV_NSIG
216	/* use what's provided */	226	/* use what's provided */
217	#elif defined (NSIG)	227	#elif defined NSIG
218	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	229	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	231	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	237	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	245	#else
236	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
237	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	261	# endif
252	#endif	262	#endif
253		263
254	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	267	# else
258	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
259	# endif	269	# endif
260	#endif	270	#endif
…		…
347		357
348	#ifndef EV_HEAP_CACHE_AT	358	#ifndef EV_HEAP_CACHE_AT
349	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350	#endif	360	#endif
351		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
352	/* 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, */
353	/* which makes programs even slower. might work on other unices, too. */	379	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	380	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	381	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	382	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	383	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	384	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	385	# define EV_USE_MONOTONIC 1
360	# else	386	# else
…		…
363	# endif	389	# endif
364	#endif	390	#endif
365		391
366	/* 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 */
367		393
368	#ifdef _AIX
369	/* AIX has a completely broken poll.h header */
370	# undef EV_USE_POLL
371	# define EV_USE_POLL 0
372	#endif
373
374	#ifndef CLOCK_MONOTONIC	394	#ifndef CLOCK_MONOTONIC
375	# undef EV_USE_MONOTONIC	395	# undef EV_USE_MONOTONIC
376	# define EV_USE_MONOTONIC 0	396	# define EV_USE_MONOTONIC 0
377	#endif	397	#endif
378		398
…		…
386	# define EV_USE_INOTIFY 0	406	# define EV_USE_INOTIFY 0
387	#endif	407	#endif
388		408
389	#if !EV_USE_NANOSLEEP	409	#if !EV_USE_NANOSLEEP
390	/* 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 */
391	# if !defined(_WIN32) && !defined(__hpux)	411	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	412	# include <sys/select.h>
393	# endif	413	# endif
394	#endif	414	#endif
395		415
396	#if EV_USE_INOTIFY	416	#if EV_USE_INOTIFY
…		…
399	/* 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 */
400	# ifndef IN_DONT_FOLLOW	420	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	421	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	422	# define EV_USE_INOTIFY 0
403	# endif	423	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	424	#endif
409		425
410	#if EV_USE_EVENTFD	426	#if EV_USE_EVENTFD
411	/* 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 */
412	# include <stdint.h>	428	# include <stdint.h>
…		…
469	/* 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 */
470	/* ECB.H BEGIN */	486	/* ECB.H BEGIN */
471	/*	487	/*
472	* libecb - http://software.schmorp.de/pkg/libecb	488	* libecb - http://software.schmorp.de/pkg/libecb
473	*	489	*
474	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	490	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
475	* Copyright (©) 2011 Emanuele Giaquinta	491	* Copyright (©) 2011 Emanuele Giaquinta
476	* All rights reserved.	492	* All rights reserved.
477	*	493	*
478	* 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-
479	* tion, are permitted provided that the following conditions are met:	495	* tion, are permitted provided that the following conditions are met:
…		…
498	*/	514	*/
499		515
500	#ifndef ECB_H	516	#ifndef ECB_H
501	#define ECB_H	517	#define ECB_H
502		518
		519	/* 16 bits major, 16 bits minor */
		520	#define ECB_VERSION 0x00010003
		521
503	#ifdef _WIN32	522	#ifdef _WIN32
504	typedef signed char int8_t;	523	typedef signed char int8_t;
505	typedef unsigned char uint8_t;	524	typedef unsigned char uint8_t;
506	typedef signed short int16_t;	525	typedef signed short int16_t;
507	typedef unsigned short uint16_t;	526	typedef unsigned short uint16_t;
…		…
512	typedef unsigned long long uint64_t;	531	typedef unsigned long long uint64_t;
513	#else /* _MSC_VER || __BORLANDC__ */	532	#else /* _MSC_VER || __BORLANDC__ */
514	typedef signed __int64 int64_t;	533	typedef signed __int64 int64_t;
515	typedef unsigned __int64 uint64_t;	534	typedef unsigned __int64 uint64_t;
516	#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
517	#else	545	#else
518	#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
519	#endif	561	#endif
520		562
521	/* many compilers define _GNUC_ to some versions but then only implement	563	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	564	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	565	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	566	* or so.
525	* 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
526	* 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.
527	*/	569	*/
528	#ifndef ECB_GCC_VERSION	570	#ifndef ECB_GCC_VERSION
529	#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__
530	#define ECB_GCC_VERSION(major,minor) 0	572	#define ECB_GCC_VERSION(major,minor) 0
531	#else	573	#else
532	#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)))
533	#endif	575	#endif
534	#endif	576	#endif
535		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
536	/*****************************************************************************/	594	/*****************************************************************************/
537		595
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	596	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
539	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	597	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		598
541	#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
542	#define ECB_MEMORY_FENCE do { } while (0)	604	#define ECB_MEMORY_FENCE do { } while (0)
543	#endif	605	#endif
544		606
545	#ifndef ECB_MEMORY_FENCE	607	#ifndef ECB_MEMORY_FENCE
546	#if ECB_GCC_VERSION(2,5)	608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
547	#if __i386__	609	#if __i386 || __i386__
548	#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")
549	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
550	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
551	#elif __amd64	613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
552	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	615	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
554	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
555	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
558	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	620	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
559	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
560	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
561	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
562	#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")
563	#endif	648	#endif
564	#endif	649	#endif
565	#endif	650	#endif
566		651
567	#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
568	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)	666	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
569	#define ECB_MEMORY_FENCE __sync_synchronize ()	667	#define ECB_MEMORY_FENCE __sync_synchronize ()
570	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
571	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
572	#elif _MSC_VER >= 1400 /* VC++ 2005 */	668	#elif _MSC_VER >= 1400 /* VC++ 2005 */
573	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	669	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	670	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575	#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 */
576	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	672	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577	#elif defined(_WIN32)	673	#elif defined _WIN32
578	#include <WinNT.h>	674	#include <WinNT.h>
579	#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)
580	#endif	698	#endif
581	#endif	699	#endif
582		700
583	#ifndef ECB_MEMORY_FENCE	701	#ifndef ECB_MEMORY_FENCE
584	#if !ECB_AVOID_PTHREADS	702	#if !ECB_AVOID_PTHREADS
…		…
596	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	714	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
597	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	715	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598	#endif	716	#endif
599	#endif	717	#endif
600		718
601	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	719	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
602	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	720	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603	#endif	721	#endif
604		722
605	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	723	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
606	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	724	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607	#endif	725	#endif
608		726
609	/*****************************************************************************/	727	/*****************************************************************************/
610
611	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
612		728
613	#if __cplusplus	729	#if __cplusplus
614	#define ecb_inline static inline	730	#define ecb_inline static inline
615	#elif ECB_GCC_VERSION(2,5)	731	#elif ECB_GCC_VERSION(2,5)
616	#define ecb_inline static __inline__	732	#define ecb_inline static __inline__
…		…
655	#elif ECB_GCC_VERSION(3,0)	771	#elif ECB_GCC_VERSION(3,0)
656	#define ecb_decltype(x) __typeof(x)	772	#define ecb_decltype(x) __typeof(x)
657	#endif	773	#endif
658		774
659	#define ecb_noinline ecb_attribute ((__noinline__))	775	#define ecb_noinline ecb_attribute ((__noinline__))
660	#define ecb_noreturn ecb_attribute ((__noreturn__))
661	#define ecb_unused ecb_attribute ((__unused__))	776	#define ecb_unused ecb_attribute ((__unused__))
662	#define ecb_const ecb_attribute ((__const__))	777	#define ecb_const ecb_attribute ((__const__))
663	#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
664		785
665	#if ECB_GCC_VERSION(4,3)	786	#if ECB_GCC_VERSION(4,3)
666	#define ecb_artificial ecb_attribute ((__artificial__))	787	#define ecb_artificial ecb_attribute ((__artificial__))
667	#define ecb_hot ecb_attribute ((__hot__))	788	#define ecb_hot ecb_attribute ((__hot__))
668	#define ecb_cold ecb_attribute ((__cold__))	789	#define ecb_cold ecb_attribute ((__cold__))
…		…
759		880
760	return r + ecb_ld32 (x);	881	return r + ecb_ld32 (x);
761	}	882	}
762	#endif	883	#endif
763		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
764	/* popcount64 is only available on 64 bit cpus as gcc builtin */	920	/* popcount64 is only available on 64 bit cpus as gcc builtin */
765	/* so for this version we are lazy */	921	/* so for this version we are lazy */
766	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	922	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
767	ecb_function_ int	923	ecb_function_ int
768	ecb_popcount64 (uint64_t x)	924	ecb_popcount64 (uint64_t x)
…		…
817		973
818	#if ECB_GCC_VERSION(4,5)	974	#if ECB_GCC_VERSION(4,5)
819	#define ecb_unreachable() __builtin_unreachable ()	975	#define ecb_unreachable() __builtin_unreachable ()
820	#else	976	#else
821	/* 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 :/ */
822	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	978	ecb_inline void ecb_unreachable (void) ecb_noreturn;
823	ecb_function_ void ecb_unreachable (void) { }	979	ecb_inline void ecb_unreachable (void) { }
824	#endif	980	#endif
825		981
826	/* try to tell the compiler that some condition is definitely true */	982	/* try to tell the compiler that some condition is definitely true */
827	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	983	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
828		984
829	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	985	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
830	ecb_function_ unsigned char	986	ecb_inline unsigned char
831	ecb_byteorder_helper (void)	987	ecb_byteorder_helper (void)
832	{	988	{
833	const uint32_t u = 0x11223344;	989	/* the union code still generates code under pressure in gcc, */
834	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
835	}	1009	}
836		1010
837	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1011	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
838	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; }
839	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1013	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
840	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; }
841		1015
842	#if ECB_GCC_VERSION(3,0) || ECB_C99	1016	#if ECB_GCC_VERSION(3,0) || ECB_C99
843	#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))
844	#else	1018	#else
845	#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)))
		1020	#endif
		1021
		1022	#if __cplusplus
		1023	template<typename T>
		1024	static inline T ecb_div_rd (T val, T div)
		1025	{
		1026	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1027	}
		1028	template<typename T>
		1029	static inline T ecb_div_ru (T val, T div)
		1030	{
		1031	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1032	}
		1033	#else
		1034	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1035	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
846	#endif	1036	#endif
847		1037
848	#if ecb_cplusplus_does_not_suck	1038	#if ecb_cplusplus_does_not_suck
849	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */	1039	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
850	template<typename T, int N>	1040	template<typename T, int N>
…		…
854	}	1044	}
855	#else	1045	#else
856	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1046	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
857	#endif	1047	#endif
858		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
859	#endif	1219	#endif
860		1220
861	/* ECB.H END */	1221	/* ECB.H END */
862		1222
863	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1223	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
864	/* if your architetcure doesn't need memory fences, e.g. because it is	1224	/* if your architecture doesn't need memory fences, e.g. because it is
865	* 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
866	* 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
867	* libev, in which casess the memory fences become nops.	1227	* libev, in which cases the memory fences become nops.
868	* alternatively, you can remove this #error and link against libpthread,	1228	* alternatively, you can remove this #error and link against libpthread,
869	* which will then provide the memory fences.	1229	* which will then provide the memory fences.
870	*/	1230	*/
871	# error "memory fences not defined for your architecture, please report"	1231	# error "memory fences not defined for your architecture, please report"
872	#endif	1232	#endif
…		…
1029	{	1389	{
1030	write (STDERR_FILENO, msg, strlen (msg));	1390	write (STDERR_FILENO, msg, strlen (msg));
1031	}	1391	}
1032	#endif	1392	#endif
1033		1393
1034	static void (*syserr_cb)(const char *msg);	1394	static void (*syserr_cb)(const char *msg) EV_THROW;
1035		1395
1036	void ecb_cold	1396	void ecb_cold
1037	ev_set_syserr_cb (void (*cb)(const char *msg))	1397	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1038	{	1398	{
1039	syserr_cb = cb;	1399	syserr_cb = cb;
1040	}	1400	}
1041		1401
1042	static void noinline ecb_cold	1402	static void noinline ecb_cold
…		…
1060	abort ();	1420	abort ();
1061	}	1421	}
1062	}	1422	}
1063		1423
1064	static void *	1424	static void *
1065	ev_realloc_emul (void *ptr, long size)	1425	ev_realloc_emul (void *ptr, long size) EV_THROW
1066	{	1426	{
1067	#if __GLIBC__
1068	return realloc (ptr, size);
1069	#else
1070	/* some systems, notably openbsd and darwin, fail to properly	1427	/* some systems, notably openbsd and darwin, fail to properly
1071	* 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
1072	* 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.
1073	*/	1432	*/
1074		1433
1075	if (size)	1434	if (size)
1076	return realloc (ptr, size);	1435	return realloc (ptr, size);
1077		1436
1078	free (ptr);	1437	free (ptr);
1079	return 0;	1438	return 0;
1080	#endif
1081	}	1439	}
1082		1440
1083	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1441	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1084		1442
1085	void ecb_cold	1443	void ecb_cold
1086	ev_set_allocator (void *(*cb)(void *ptr, long size))	1444	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1087	{	1445	{
1088	alloc = cb;	1446	alloc = cb;
1089	}	1447	}
1090		1448
1091	inline_speed void *	1449	inline_speed void *
…		…
1179	#undef VAR	1537	#undef VAR
1180	};	1538	};
1181	#include "ev_wrap.h"	1539	#include "ev_wrap.h"
1182		1540
1183	static struct ev_loop default_loop_struct;	1541	static struct ev_loop default_loop_struct;
1184	struct ev_loop *ev_default_loop_ptr;	1542	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1185		1543
1186	#else	1544	#else
1187		1545
1188	ev_tstamp ev_rt_now;	1546	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1189	#define VAR(name,decl) static decl;	1547	#define VAR(name,decl) static decl;
1190	#include "ev_vars.h"	1548	#include "ev_vars.h"
1191	#undef VAR	1549	#undef VAR
1192		1550
1193	static int ev_default_loop_ptr;	1551	static int ev_default_loop_ptr;
…		…
1208		1566
1209	/*****************************************************************************/	1567	/*****************************************************************************/
1210		1568
1211	#ifndef EV_HAVE_EV_TIME	1569	#ifndef EV_HAVE_EV_TIME
1212	ev_tstamp	1570	ev_tstamp
1213	ev_time (void)	1571	ev_time (void) EV_THROW
1214	{	1572	{
1215	#if EV_USE_REALTIME	1573	#if EV_USE_REALTIME
1216	if (expect_true (have_realtime))	1574	if (expect_true (have_realtime))
1217	{	1575	{
1218	struct timespec ts;	1576	struct timespec ts;
…		…
1242	return ev_time ();	1600	return ev_time ();
1243	}	1601	}
1244		1602
1245	#if EV_MULTIPLICITY	1603	#if EV_MULTIPLICITY
1246	ev_tstamp	1604	ev_tstamp
1247	ev_now (EV_P)	1605	ev_now (EV_P) EV_THROW
1248	{	1606	{
1249	return ev_rt_now;	1607	return ev_rt_now;
1250	}	1608	}
1251	#endif	1609	#endif
1252		1610
1253	void	1611	void
1254	ev_sleep (ev_tstamp delay)	1612	ev_sleep (ev_tstamp delay) EV_THROW
1255	{	1613	{
1256	if (delay > 0.)	1614	if (delay > 0.)
1257	{	1615	{
1258	#if EV_USE_NANOSLEEP	1616	#if EV_USE_NANOSLEEP
1259	struct timespec ts;	1617	struct timespec ts;
1260		1618
1261	EV_TS_SET (ts, delay);	1619	EV_TS_SET (ts, delay);
1262	nanosleep (&ts, 0);	1620	nanosleep (&ts, 0);
1263	#elif defined(_WIN32)	1621	#elif defined _WIN32
1264	Sleep ((unsigned long)(delay * 1e3));	1622	Sleep ((unsigned long)(delay * 1e3));
1265	#else	1623	#else
1266	struct timeval tv;	1624	struct timeval tv;
1267		1625
1268	/* 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 */
…		…
1287		1645
1288	do	1646	do
1289	ncur <<= 1;	1647	ncur <<= 1;
1290	while (cnt > ncur);	1648	while (cnt > ncur);
1291		1649
1292	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1650	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1293	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1651	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1294	{	1652	{
1295	ncur *= elem;	1653	ncur *= elem;
1296	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1654	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1297	ncur = ncur - sizeof (void *) * 4;	1655	ncur = ncur - sizeof (void *) * 4;
…		…
1340	pendingcb (EV_P_ ev_prepare *w, int revents)	1698	pendingcb (EV_P_ ev_prepare *w, int revents)
1341	{	1699	{
1342	}	1700	}
1343		1701
1344	void noinline	1702	void noinline
1345	ev_feed_event (EV_P_ void *w, int revents)	1703	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1346	{	1704	{
1347	W w_ = (W)w;	1705	W w_ = (W)w;
1348	int pri = ABSPRI (w_);	1706	int pri = ABSPRI (w_);
1349		1707
1350	if (expect_false (w_->pending))	1708	if (expect_false (w_->pending))
…		…
1354	w_->pending = ++pendingcnt [pri];	1712	w_->pending = ++pendingcnt [pri];
1355	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1713	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1356	pendings [pri][w_->pending - 1].w = w_;	1714	pendings [pri][w_->pending - 1].w = w_;
1357	pendings [pri][w_->pending - 1].events = revents;	1715	pendings [pri][w_->pending - 1].events = revents;
1358	}	1716	}
		1717
		1718	pendingpri = NUMPRI - 1;
1359	}	1719	}
1360		1720
1361	inline_speed void	1721	inline_speed void
1362	feed_reverse (EV_P_ W w)	1722	feed_reverse (EV_P_ W w)
1363	{	1723	{
…		…
1409	if (expect_true (!anfd->reify))	1769	if (expect_true (!anfd->reify))
1410	fd_event_nocheck (EV_A_ fd, revents);	1770	fd_event_nocheck (EV_A_ fd, revents);
1411	}	1771	}
1412		1772
1413	void	1773	void
1414	ev_feed_fd_event (EV_P_ int fd, int revents)	1774	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1415	{	1775	{
1416	if (fd >= 0 && fd < anfdmax)	1776	if (fd >= 0 && fd < anfdmax)
1417	fd_event_nocheck (EV_A_ fd, revents);	1777	fd_event_nocheck (EV_A_ fd, revents);
1418	}	1778	}
1419		1779
…		…
1738	static void noinline ecb_cold	2098	static void noinline ecb_cold
1739	evpipe_init (EV_P)	2099	evpipe_init (EV_P)
1740	{	2100	{
1741	if (!ev_is_active (&pipe_w))	2101	if (!ev_is_active (&pipe_w))
1742	{	2102	{
		2103	int fds [2];
		2104
1743	# if EV_USE_EVENTFD	2105	# if EV_USE_EVENTFD
		2106	fds [0] = -1;
1744	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2107	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1745	if (evfd < 0 && errno == EINVAL)	2108	if (fds [1] < 0 && errno == EINVAL)
1746	evfd = eventfd (0, 0);	2109	fds [1] = eventfd (0, 0);
1747		2110
1748	if (evfd >= 0)	2111	if (fds [1] < 0)
		2112	# endif
1749	{	2113	{
		2114	while (pipe (fds))
		2115	ev_syserr ("(libev) error creating signal/async pipe");
		2116
		2117	fd_intern (fds [0]);
		2118	}
		2119
1750	evpipe [0] = -1;	2120	evpipe [0] = fds [0];
1751	fd_intern (evfd); /* doing it twice doesn't hurt */	2121
1752	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));
1753	}	2172	}
1754	else	2173	else
1755	# endif	2174	#endif
1756	{	2175	{
1757	while (pipe (evpipe))	2176	#ifdef _WIN32
1758	ev_syserr ("(libev) error creating signal/async pipe");	2177	WSABUF buf;
1759		2178	DWORD sent;
1760	fd_intern (evpipe [0]);	2179	buf.buf = &buf;
1761	fd_intern (evpipe [1]);	2180	buf.len = 1;
1762	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2181	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1763	}	2182	#else
1764
1765	ev_io_start (EV_A_ &pipe_w);
1766	ev_unref (EV_A); /* watcher should not keep loop alive */
1767	}
1768	}
1769
1770	inline_speed void
1771	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1772	{
1773	if (expect_true (*flag))
1774	return;
1775
1776	*flag = 1;
1777
1778	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1779
1780	pipe_write_skipped = 1;
1781
1782	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1783
1784	if (pipe_write_wanted)
1785	{
1786	int old_errno;
1787
1788	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1789
1790	old_errno = errno; /* save errno because write will clobber it */
1791
1792	#if EV_USE_EVENTFD
1793	if (evfd >= 0)
1794	{
1795	uint64_t counter = 1;
1796	write (evfd, &counter, sizeof (uint64_t));
1797	}
1798	else
1799	#endif
1800	{
1801	/* win32 people keep sending patches that change this write() to send() */
1802	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1803	/* so when you think this write should be a send instead, please find out */
1804	/* where your send() is from - it's definitely not the microsoft send, and */
1805	/* tell me. thank you. */
1806	write (evpipe [1], &(evpipe [1]), 1);	2183	write (evpipe [1], &(evpipe [1]), 1);
		2184	#endif
1807	}	2185	}
1808		2186
1809	errno = old_errno;	2187	errno = old_errno;
1810	}	2188	}
1811	}	2189	}
…		…
1818	int i;	2196	int i;
1819		2197
1820	if (revents & EV_READ)	2198	if (revents & EV_READ)
1821	{	2199	{
1822	#if EV_USE_EVENTFD	2200	#if EV_USE_EVENTFD
1823	if (evfd >= 0)	2201	if (evpipe [0] < 0)
1824	{	2202	{
1825	uint64_t counter;	2203	uint64_t counter;
1826	read (evfd, &counter, sizeof (uint64_t));	2204	read (evpipe [1], &counter, sizeof (uint64_t));
1827	}	2205	}
1828	else	2206	else
1829	#endif	2207	#endif
1830	{	2208	{
1831	char dummy;	2209	char dummy[4];
1832	/* 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
1833	read (evpipe [0], &dummy, 1);	2218	read (evpipe [0], &dummy, sizeof (dummy));
		2219	#endif
1834	}	2220	}
1835	}	2221	}
1836		2222
1837	pipe_write_skipped = 0;	2223	pipe_write_skipped = 0;
		2224
		2225	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1838		2226
1839	#if EV_SIGNAL_ENABLE	2227	#if EV_SIGNAL_ENABLE
1840	if (sig_pending)	2228	if (sig_pending)
1841	{	2229	{
1842	sig_pending = 0;	2230	sig_pending = 0;
		2231
		2232	ECB_MEMORY_FENCE;
1843		2233
1844	for (i = EV_NSIG - 1; i--; )	2234	for (i = EV_NSIG - 1; i--; )
1845	if (expect_false (signals [i].pending))	2235	if (expect_false (signals [i].pending))
1846	ev_feed_signal_event (EV_A_ i + 1);	2236	ev_feed_signal_event (EV_A_ i + 1);
1847	}	2237	}
…		…
1849		2239
1850	#if EV_ASYNC_ENABLE	2240	#if EV_ASYNC_ENABLE
1851	if (async_pending)	2241	if (async_pending)
1852	{	2242	{
1853	async_pending = 0;	2243	async_pending = 0;
		2244
		2245	ECB_MEMORY_FENCE;
1854		2246
1855	for (i = asynccnt; i--; )	2247	for (i = asynccnt; i--; )
1856	if (asyncs [i]->sent)	2248	if (asyncs [i]->sent)
1857	{	2249	{
1858	asyncs [i]->sent = 0;	2250	asyncs [i]->sent = 0;
		2251	ECB_MEMORY_FENCE_RELEASE;
1859	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2252	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1860	}	2253	}
1861	}	2254	}
1862	#endif	2255	#endif
1863	}	2256	}
1864		2257
1865	/*****************************************************************************/	2258	/*****************************************************************************/
1866		2259
1867	void	2260	void
1868	ev_feed_signal (int signum)	2261	ev_feed_signal (int signum) EV_THROW
1869	{	2262	{
1870	#if EV_MULTIPLICITY	2263	#if EV_MULTIPLICITY
		2264	EV_P;
		2265	ECB_MEMORY_FENCE_ACQUIRE;
1871	EV_P = signals [signum - 1].loop;	2266	EV_A = signals [signum - 1].loop;
1872		2267
1873	if (!EV_A)	2268	if (!EV_A)
1874	return;	2269	return;
1875	#endif	2270	#endif
1876		2271
1877	if (!ev_active (&pipe_w))
1878	return;
1879
1880	signals [signum - 1].pending = 1;	2272	signals [signum - 1].pending = 1;
1881	evpipe_write (EV_A_ &sig_pending);	2273	evpipe_write (EV_A_ &sig_pending);
1882	}	2274	}
1883		2275
1884	static void	2276	static void
…		…
1890		2282
1891	ev_feed_signal (signum);	2283	ev_feed_signal (signum);
1892	}	2284	}
1893		2285
1894	void noinline	2286	void noinline
1895	ev_feed_signal_event (EV_P_ int signum)	2287	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1896	{	2288	{
1897	WL w;	2289	WL w;
1898		2290
1899	if (expect_false (signum <= 0 || signum > EV_NSIG))	2291	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1900	return;	2292	return;
1901		2293
1902	--signum;	2294	--signum;
1903		2295
1904	#if EV_MULTIPLICITY	2296	#if EV_MULTIPLICITY
…		…
1908	if (expect_false (signals [signum].loop != EV_A))	2300	if (expect_false (signals [signum].loop != EV_A))
1909	return;	2301	return;
1910	#endif	2302	#endif
1911		2303
1912	signals [signum].pending = 0;	2304	signals [signum].pending = 0;
		2305	ECB_MEMORY_FENCE_RELEASE;
1913		2306
1914	for (w = signals [signum].head; w; w = w->next)	2307	for (w = signals [signum].head; w; w = w->next)
1915	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2308	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1916	}	2309	}
1917		2310
…		…
2016	#if EV_USE_SELECT	2409	#if EV_USE_SELECT
2017	# include "ev_select.c"	2410	# include "ev_select.c"
2018	#endif	2411	#endif
2019		2412
2020	int ecb_cold	2413	int ecb_cold
2021	ev_version_major (void)	2414	ev_version_major (void) EV_THROW
2022	{	2415	{
2023	return EV_VERSION_MAJOR;	2416	return EV_VERSION_MAJOR;
2024	}	2417	}
2025		2418
2026	int ecb_cold	2419	int ecb_cold
2027	ev_version_minor (void)	2420	ev_version_minor (void) EV_THROW
2028	{	2421	{
2029	return EV_VERSION_MINOR;	2422	return EV_VERSION_MINOR;
2030	}	2423	}
2031		2424
2032	/* 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 */
…		…
2040	|| getgid () != getegid ();	2433	|| getgid () != getegid ();
2041	#endif	2434	#endif
2042	}	2435	}
2043		2436
2044	unsigned int ecb_cold	2437	unsigned int ecb_cold
2045	ev_supported_backends (void)	2438	ev_supported_backends (void) EV_THROW
2046	{	2439	{
2047	unsigned int flags = 0;	2440	unsigned int flags = 0;
2048		2441
2049	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2442	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2050	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2443	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2054		2447
2055	return flags;	2448	return flags;
2056	}	2449	}
2057		2450
2058	unsigned int ecb_cold	2451	unsigned int ecb_cold
2059	ev_recommended_backends (void)	2452	ev_recommended_backends (void) EV_THROW
2060	{	2453	{
2061	unsigned int flags = ev_supported_backends ();	2454	unsigned int flags = ev_supported_backends ();
2062		2455
2063	#ifndef __NetBSD__	2456	#ifndef __NetBSD__
2064	/* kqueue is borked on everything but netbsd apparently */	2457	/* kqueue is borked on everything but netbsd apparently */
…		…
2076		2469
2077	return flags;	2470	return flags;
2078	}	2471	}
2079		2472
2080	unsigned int ecb_cold	2473	unsigned int ecb_cold
2081	ev_embeddable_backends (void)	2474	ev_embeddable_backends (void) EV_THROW
2082	{	2475	{
2083	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2476	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2084		2477
2085	/* 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 */
2086	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 */
…		…
2088		2481
2089	return flags;	2482	return flags;
2090	}	2483	}
2091		2484
2092	unsigned int	2485	unsigned int
2093	ev_backend (EV_P)	2486	ev_backend (EV_P) EV_THROW
2094	{	2487	{
2095	return backend;	2488	return backend;
2096	}	2489	}
2097		2490
2098	#if EV_FEATURE_API	2491	#if EV_FEATURE_API
2099	unsigned int	2492	unsigned int
2100	ev_iteration (EV_P)	2493	ev_iteration (EV_P) EV_THROW
2101	{	2494	{
2102	return loop_count;	2495	return loop_count;
2103	}	2496	}
2104		2497
2105	unsigned int	2498	unsigned int
2106	ev_depth (EV_P)	2499	ev_depth (EV_P) EV_THROW
2107	{	2500	{
2108	return loop_depth;	2501	return loop_depth;
2109	}	2502	}
2110		2503
2111	void	2504	void
2112	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2505	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2113	{	2506	{
2114	io_blocktime = interval;	2507	io_blocktime = interval;
2115	}	2508	}
2116		2509
2117	void	2510	void
2118	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2511	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2119	{	2512	{
2120	timeout_blocktime = interval;	2513	timeout_blocktime = interval;
2121	}	2514	}
2122		2515
2123	void	2516	void
2124	ev_set_userdata (EV_P_ void *data)	2517	ev_set_userdata (EV_P_ void *data) EV_THROW
2125	{	2518	{
2126	userdata = data;	2519	userdata = data;
2127	}	2520	}
2128		2521
2129	void *	2522	void *
2130	ev_userdata (EV_P)	2523	ev_userdata (EV_P) EV_THROW
2131	{	2524	{
2132	return userdata;	2525	return userdata;
2133	}	2526	}
2134		2527
2135	void	2528	void
2136	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
2137	{	2530	{
2138	invoke_cb = invoke_pending_cb;	2531	invoke_cb = invoke_pending_cb;
2139	}	2532	}
2140		2533
2141	void	2534	void
2142	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
2143	{	2536	{
2144	release_cb = release;	2537	release_cb = release;
2145	acquire_cb = acquire;	2538	acquire_cb = acquire;
2146	}	2539	}
2147	#endif	2540	#endif
2148		2541
2149	/* initialise a loop structure, must be zero-initialised */	2542	/* initialise a loop structure, must be zero-initialised */
2150	static void noinline ecb_cold	2543	static void noinline ecb_cold
2151	loop_init (EV_P_ unsigned int flags)	2544	loop_init (EV_P_ unsigned int flags) EV_THROW
2152	{	2545	{
2153	if (!backend)	2546	if (!backend)
2154	{	2547	{
2155	origflags = flags;	2548	origflags = flags;
2156		2549
…		…
2201	#if EV_ASYNC_ENABLE	2594	#if EV_ASYNC_ENABLE
2202	async_pending = 0;	2595	async_pending = 0;
2203	#endif	2596	#endif
2204	pipe_write_skipped = 0;	2597	pipe_write_skipped = 0;
2205	pipe_write_wanted = 0;	2598	pipe_write_wanted = 0;
		2599	evpipe [0] = -1;
		2600	evpipe [1] = -1;
2206	#if EV_USE_INOTIFY	2601	#if EV_USE_INOTIFY
2207	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2602	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2208	#endif	2603	#endif
2209	#if EV_USE_SIGNALFD	2604	#if EV_USE_SIGNALFD
2210	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2605	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2261	EV_INVOKE_PENDING;	2656	EV_INVOKE_PENDING;
2262	}	2657	}
2263	#endif	2658	#endif
2264		2659
2265	#if EV_CHILD_ENABLE	2660	#if EV_CHILD_ENABLE
2266	if (ev_is_active (&childev))	2661	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2267	{	2662	{
2268	ev_ref (EV_A); /* child watcher */	2663	ev_ref (EV_A); /* child watcher */
2269	ev_signal_stop (EV_A_ &childev);	2664	ev_signal_stop (EV_A_ &childev);
2270	}	2665	}
2271	#endif	2666	#endif
…		…
2273	if (ev_is_active (&pipe_w))	2668	if (ev_is_active (&pipe_w))
2274	{	2669	{
2275	/*ev_ref (EV_A);*/	2670	/*ev_ref (EV_A);*/
2276	/*ev_io_stop (EV_A_ &pipe_w);*/	2671	/*ev_io_stop (EV_A_ &pipe_w);*/
2277		2672
2278	#if EV_USE_EVENTFD
2279	if (evfd >= 0)
2280	close (evfd);
2281	#endif
2282
2283	if (evpipe [0] >= 0)
2284	{
2285	EV_WIN32_CLOSE_FD (evpipe [0]);	2673	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2286	EV_WIN32_CLOSE_FD (evpipe [1]);	2674	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2287	}
2288	}	2675	}
2289		2676
2290	#if EV_USE_SIGNALFD	2677	#if EV_USE_SIGNALFD
2291	if (ev_is_active (&sigfd_w))	2678	if (ev_is_active (&sigfd_w))
2292	close (sigfd);	2679	close (sigfd);
…		…
2378	#endif	2765	#endif
2379	#if EV_USE_INOTIFY	2766	#if EV_USE_INOTIFY
2380	infy_fork (EV_A);	2767	infy_fork (EV_A);
2381	#endif	2768	#endif
2382		2769
		2770	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2383	if (ev_is_active (&pipe_w))	2771	if (ev_is_active (&pipe_w))
2384	{	2772	{
2385	/* 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 */
2386		2774
2387	ev_ref (EV_A);	2775	ev_ref (EV_A);
2388	ev_io_stop (EV_A_ &pipe_w);	2776	ev_io_stop (EV_A_ &pipe_w);
2389		2777
2390	#if EV_USE_EVENTFD
2391	if (evfd >= 0)
2392	close (evfd);
2393	#endif
2394
2395	if (evpipe [0] >= 0)	2778	if (evpipe [0] >= 0)
2396	{
2397	EV_WIN32_CLOSE_FD (evpipe [0]);	2779	EV_WIN32_CLOSE_FD (evpipe [0]);
2398	EV_WIN32_CLOSE_FD (evpipe [1]);
2399	}
2400		2780
2401	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2402	evpipe_init (EV_A);	2781	evpipe_init (EV_A);
2403	/* now iterate over everything, in case we missed something */	2782	/* iterate over everything, in case we missed something before */
2404	pipecb (EV_A_ &pipe_w, EV_READ);	2783	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2405	#endif
2406	}	2784	}
		2785	#endif
2407		2786
2408	postfork = 0;	2787	postfork = 0;
2409	}	2788	}
2410		2789
2411	#if EV_MULTIPLICITY	2790	#if EV_MULTIPLICITY
2412		2791
2413	struct ev_loop * ecb_cold	2792	struct ev_loop * ecb_cold
2414	ev_loop_new (unsigned int flags)	2793	ev_loop_new (unsigned int flags) EV_THROW
2415	{	2794	{
2416	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2795	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2417		2796
2418	memset (EV_A, 0, sizeof (struct ev_loop));	2797	memset (EV_A, 0, sizeof (struct ev_loop));
2419	loop_init (EV_A_ flags);	2798	loop_init (EV_A_ flags);
…		…
2463	}	2842	}
2464	#endif	2843	#endif
2465		2844
2466	#if EV_FEATURE_API	2845	#if EV_FEATURE_API
2467	void ecb_cold	2846	void ecb_cold
2468	ev_verify (EV_P)	2847	ev_verify (EV_P) EV_THROW
2469	{	2848	{
2470	#if EV_VERIFY	2849	#if EV_VERIFY
2471	int i;	2850	int i;
2472	WL w;	2851	WL w, w2;
2473		2852
2474	assert (activecnt >= -1);	2853	assert (activecnt >= -1);
2475		2854
2476	assert (fdchangemax >= fdchangecnt);	2855	assert (fdchangemax >= fdchangecnt);
2477	for (i = 0; i < fdchangecnt; ++i)	2856	for (i = 0; i < fdchangecnt; ++i)
2478	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2857	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2479		2858
2480	assert (anfdmax >= 0);	2859	assert (anfdmax >= 0);
2481	for (i = 0; i < anfdmax; ++i)	2860	for (i = 0; i < anfdmax; ++i)
		2861	{
		2862	int j = 0;
		2863
2482	for (w = anfds [i].head; w; w = w->next)	2864	for (w = w2 = anfds [i].head; w; w = w->next)
2483	{	2865	{
2484	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
2485	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));
2486	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));
2487	}	2876	}
		2877	}
2488		2878
2489	assert (timermax >= timercnt);	2879	assert (timermax >= timercnt);
2490	verify_heap (EV_A_ timers, timercnt);	2880	verify_heap (EV_A_ timers, timercnt);
2491		2881
2492	#if EV_PERIODIC_ENABLE	2882	#if EV_PERIODIC_ENABLE
…		…
2542	#if EV_MULTIPLICITY	2932	#if EV_MULTIPLICITY
2543	struct ev_loop * ecb_cold	2933	struct ev_loop * ecb_cold
2544	#else	2934	#else
2545	int	2935	int
2546	#endif	2936	#endif
2547	ev_default_loop (unsigned int flags)	2937	ev_default_loop (unsigned int flags) EV_THROW
2548	{	2938	{
2549	if (!ev_default_loop_ptr)	2939	if (!ev_default_loop_ptr)
2550	{	2940	{
2551	#if EV_MULTIPLICITY	2941	#if EV_MULTIPLICITY
2552	EV_P = ev_default_loop_ptr = &default_loop_struct;	2942	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2571		2961
2572	return ev_default_loop_ptr;	2962	return ev_default_loop_ptr;
2573	}	2963	}
2574		2964
2575	void	2965	void
2576	ev_loop_fork (EV_P)	2966	ev_loop_fork (EV_P) EV_THROW
2577	{	2967	{
2578	postfork = 1; /* must be in line with ev_default_fork */	2968	postfork = 1;
2579	}	2969	}
2580		2970
2581	/*****************************************************************************/	2971	/*****************************************************************************/
2582		2972
2583	void	2973	void
…		…
2585	{	2975	{
2586	EV_CB_INVOKE ((W)w, revents);	2976	EV_CB_INVOKE ((W)w, revents);
2587	}	2977	}
2588		2978
2589	unsigned int	2979	unsigned int
2590	ev_pending_count (EV_P)	2980	ev_pending_count (EV_P) EV_THROW
2591	{	2981	{
2592	int pri;	2982	int pri;
2593	unsigned int count = 0;	2983	unsigned int count = 0;
2594		2984
2595	for (pri = NUMPRI; pri--; )	2985	for (pri = NUMPRI; pri--; )
…		…
2599	}	2989	}
2600		2990
2601	void noinline	2991	void noinline
2602	ev_invoke_pending (EV_P)	2992	ev_invoke_pending (EV_P)
2603	{	2993	{
2604	int pri;	2994	pendingpri = NUMPRI;
2605		2995
2606	for (pri = NUMPRI; pri--; )	2996	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2997	{
		2998	--pendingpri;
		2999
2607	while (pendingcnt [pri])	3000	while (pendingcnt [pendingpri])
2608	{	3001	{
2609	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3002	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2610		3003
2611	p->w->pending = 0;	3004	p->w->pending = 0;
2612	EV_CB_INVOKE (p->w, p->events);	3005	EV_CB_INVOKE (p->w, p->events);
2613	EV_FREQUENT_CHECK;	3006	EV_FREQUENT_CHECK;
2614	}	3007	}
		3008	}
2615	}	3009	}
2616		3010
2617	#if EV_IDLE_ENABLE	3011	#if EV_IDLE_ENABLE
2618	/* make idle watchers pending. this handles the "call-idle */	3012	/* make idle watchers pending. this handles the "call-idle */
2619	/* only when higher priorities are idle" logic */	3013	/* only when higher priorities are idle" logic */
…		…
2709	{	3103	{
2710	EV_FREQUENT_CHECK;	3104	EV_FREQUENT_CHECK;
2711		3105
2712	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3106	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2713	{	3107	{
2714	int feed_count = 0;
2715
2716	do	3108	do
2717	{	3109	{
2718	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3110	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2719		3111
2720	/*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)));*/
…		…
2854		3246
2855	mn_now = ev_rt_now;	3247	mn_now = ev_rt_now;
2856	}	3248	}
2857	}	3249	}
2858		3250
2859	void	3251	int
2860	ev_run (EV_P_ int flags)	3252	ev_run (EV_P_ int flags)
2861	{	3253	{
2862	#if EV_FEATURE_API	3254	#if EV_FEATURE_API
2863	++loop_depth;	3255	++loop_depth;
2864	#endif	3256	#endif
…		…
2977	#endif	3369	#endif
2978	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3370	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2979	backend_poll (EV_A_ waittime);	3371	backend_poll (EV_A_ waittime);
2980	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3372	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2981		3373
2982	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3374	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2983		3375
		3376	ECB_MEMORY_FENCE_ACQUIRE;
2984	if (pipe_write_skipped)	3377	if (pipe_write_skipped)
2985	{	3378	{
2986	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)));
2987	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3380	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2988	}	3381	}
…		…
3021	loop_done = EVBREAK_CANCEL;	3414	loop_done = EVBREAK_CANCEL;
3022		3415
3023	#if EV_FEATURE_API	3416	#if EV_FEATURE_API
3024	--loop_depth;	3417	--loop_depth;
3025	#endif	3418	#endif
		3419
		3420	return activecnt;
3026	}	3421	}
3027		3422
3028	void	3423	void
3029	ev_break (EV_P_ int how)	3424	ev_break (EV_P_ int how) EV_THROW
3030	{	3425	{
3031	loop_done = how;	3426	loop_done = how;
3032	}	3427	}
3033		3428
3034	void	3429	void
3035	ev_ref (EV_P)	3430	ev_ref (EV_P) EV_THROW
3036	{	3431	{
3037	++activecnt;	3432	++activecnt;
3038	}	3433	}
3039		3434
3040	void	3435	void
3041	ev_unref (EV_P)	3436	ev_unref (EV_P) EV_THROW
3042	{	3437	{
3043	--activecnt;	3438	--activecnt;
3044	}	3439	}
3045		3440
3046	void	3441	void
3047	ev_now_update (EV_P)	3442	ev_now_update (EV_P) EV_THROW
3048	{	3443	{
3049	time_update (EV_A_ 1e100);	3444	time_update (EV_A_ 1e100);
3050	}	3445	}
3051		3446
3052	void	3447	void
3053	ev_suspend (EV_P)	3448	ev_suspend (EV_P) EV_THROW
3054	{	3449	{
3055	ev_now_update (EV_A);	3450	ev_now_update (EV_A);
3056	}	3451	}
3057		3452
3058	void	3453	void
3059	ev_resume (EV_P)	3454	ev_resume (EV_P) EV_THROW
3060	{	3455	{
3061	ev_tstamp mn_prev = mn_now;	3456	ev_tstamp mn_prev = mn_now;
3062		3457
3063	ev_now_update (EV_A);	3458	ev_now_update (EV_A);
3064	timers_reschedule (EV_A_ mn_now - mn_prev);	3459	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3103	w->pending = 0;	3498	w->pending = 0;
3104	}	3499	}
3105	}	3500	}
3106		3501
3107	int	3502	int
3108	ev_clear_pending (EV_P_ void *w)	3503	ev_clear_pending (EV_P_ void *w) EV_THROW
3109	{	3504	{
3110	W w_ = (W)w;	3505	W w_ = (W)w;
3111	int pending = w_->pending;	3506	int pending = w_->pending;
3112		3507
3113	if (expect_true (pending))	3508	if (expect_true (pending))
…		…
3146	}	3541	}
3147		3542
3148	/*****************************************************************************/	3543	/*****************************************************************************/
3149		3544
3150	void noinline	3545	void noinline
3151	ev_io_start (EV_P_ ev_io *w)	3546	ev_io_start (EV_P_ ev_io *w) EV_THROW
3152	{	3547	{
3153	int fd = w->fd;	3548	int fd = w->fd;
3154		3549
3155	if (expect_false (ev_is_active (w)))	3550	if (expect_false (ev_is_active (w)))
3156	return;	3551	return;
…		…
3162		3557
3163	ev_start (EV_A_ (W)w, 1);	3558	ev_start (EV_A_ (W)w, 1);
3164	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3559	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3165	wlist_add (&anfds[fd].head, (WL)w);	3560	wlist_add (&anfds[fd].head, (WL)w);
3166		3561
		3562	/* common bug, apparently */
		3563	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3564
3167	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);
3168	w->events &= ~EV__IOFDSET;	3566	w->events &= ~EV__IOFDSET;
3169		3567
3170	EV_FREQUENT_CHECK;	3568	EV_FREQUENT_CHECK;
3171	}	3569	}
3172		3570
3173	void noinline	3571	void noinline
3174	ev_io_stop (EV_P_ ev_io *w)	3572	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3175	{	3573	{
3176	clear_pending (EV_A_ (W)w);	3574	clear_pending (EV_A_ (W)w);
3177	if (expect_false (!ev_is_active (w)))	3575	if (expect_false (!ev_is_active (w)))
3178	return;	3576	return;
3179		3577
…		…
3188		3586
3189	EV_FREQUENT_CHECK;	3587	EV_FREQUENT_CHECK;
3190	}	3588	}
3191		3589
3192	void noinline	3590	void noinline
3193	ev_timer_start (EV_P_ ev_timer *w)	3591	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3194	{	3592	{
3195	if (expect_false (ev_is_active (w)))	3593	if (expect_false (ev_is_active (w)))
3196	return;	3594	return;
3197		3595
3198	ev_at (w) += mn_now;	3596	ev_at (w) += mn_now;
…		…
3212		3610
3213	/*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));*/
3214	}	3612	}
3215		3613
3216	void noinline	3614	void noinline
3217	ev_timer_stop (EV_P_ ev_timer *w)	3615	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3218	{	3616	{
3219	clear_pending (EV_A_ (W)w);	3617	clear_pending (EV_A_ (W)w);
3220	if (expect_false (!ev_is_active (w)))	3618	if (expect_false (!ev_is_active (w)))
3221	return;	3619	return;
3222		3620
…		…
3242		3640
3243	EV_FREQUENT_CHECK;	3641	EV_FREQUENT_CHECK;
3244	}	3642	}
3245		3643
3246	void noinline	3644	void noinline
3247	ev_timer_again (EV_P_ ev_timer *w)	3645	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3248	{	3646	{
3249	EV_FREQUENT_CHECK;	3647	EV_FREQUENT_CHECK;
		3648
		3649	clear_pending (EV_A_ (W)w);
3250		3650
3251	if (ev_is_active (w))	3651	if (ev_is_active (w))
3252	{	3652	{
3253	if (w->repeat)	3653	if (w->repeat)
3254	{	3654	{
…		…
3267		3667
3268	EV_FREQUENT_CHECK;	3668	EV_FREQUENT_CHECK;
3269	}	3669	}
3270		3670
3271	ev_tstamp	3671	ev_tstamp
3272	ev_timer_remaining (EV_P_ ev_timer *w)	3672	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3273	{	3673	{
3274	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3674	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3275	}	3675	}
3276		3676
3277	#if EV_PERIODIC_ENABLE	3677	#if EV_PERIODIC_ENABLE
3278	void noinline	3678	void noinline
3279	ev_periodic_start (EV_P_ ev_periodic *w)	3679	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3280	{	3680	{
3281	if (expect_false (ev_is_active (w)))	3681	if (expect_false (ev_is_active (w)))
3282	return;	3682	return;
3283		3683
3284	if (w->reschedule_cb)	3684	if (w->reschedule_cb)
…		…
3304		3704
3305	/*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));*/
3306	}	3706	}
3307		3707
3308	void noinline	3708	void noinline
3309	ev_periodic_stop (EV_P_ ev_periodic *w)	3709	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3310	{	3710	{
3311	clear_pending (EV_A_ (W)w);	3711	clear_pending (EV_A_ (W)w);
3312	if (expect_false (!ev_is_active (w)))	3712	if (expect_false (!ev_is_active (w)))
3313	return;	3713	return;
3314		3714
…		…
3332		3732
3333	EV_FREQUENT_CHECK;	3733	EV_FREQUENT_CHECK;
3334	}	3734	}
3335		3735
3336	void noinline	3736	void noinline
3337	ev_periodic_again (EV_P_ ev_periodic *w)	3737	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3338	{	3738	{
3339	/* TODO: use adjustheap and recalculation */	3739	/* TODO: use adjustheap and recalculation */
3340	ev_periodic_stop (EV_A_ w);	3740	ev_periodic_stop (EV_A_ w);
3341	ev_periodic_start (EV_A_ w);	3741	ev_periodic_start (EV_A_ w);
3342	}	3742	}
…		…
3347	#endif	3747	#endif
3348		3748
3349	#if EV_SIGNAL_ENABLE	3749	#if EV_SIGNAL_ENABLE
3350		3750
3351	void noinline	3751	void noinline
3352	ev_signal_start (EV_P_ ev_signal *w)	3752	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3353	{	3753	{
3354	if (expect_false (ev_is_active (w)))	3754	if (expect_false (ev_is_active (w)))
3355	return;	3755	return;
3356		3756
3357	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));
…		…
3359	#if EV_MULTIPLICITY	3759	#if EV_MULTIPLICITY
3360	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",
3361	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3761	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3362		3762
3363	signals [w->signum - 1].loop = EV_A;	3763	signals [w->signum - 1].loop = EV_A;
		3764	ECB_MEMORY_FENCE_RELEASE;
3364	#endif	3765	#endif
3365		3766
3366	EV_FREQUENT_CHECK;	3767	EV_FREQUENT_CHECK;
3367		3768
3368	#if EV_USE_SIGNALFD	3769	#if EV_USE_SIGNALFD
…		…
3428		3829
3429	EV_FREQUENT_CHECK;	3830	EV_FREQUENT_CHECK;
3430	}	3831	}
3431		3832
3432	void noinline	3833	void noinline
3433	ev_signal_stop (EV_P_ ev_signal *w)	3834	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3434	{	3835	{
3435	clear_pending (EV_A_ (W)w);	3836	clear_pending (EV_A_ (W)w);
3436	if (expect_false (!ev_is_active (w)))	3837	if (expect_false (!ev_is_active (w)))
3437	return;	3838	return;
3438		3839
…		…
3469	#endif	3870	#endif
3470		3871
3471	#if EV_CHILD_ENABLE	3872	#if EV_CHILD_ENABLE
3472		3873
3473	void	3874	void
3474	ev_child_start (EV_P_ ev_child *w)	3875	ev_child_start (EV_P_ ev_child *w) EV_THROW
3475	{	3876	{
3476	#if EV_MULTIPLICITY	3877	#if EV_MULTIPLICITY
3477	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));
3478	#endif	3879	#endif
3479	if (expect_false (ev_is_active (w)))	3880	if (expect_false (ev_is_active (w)))
…		…
3486		3887
3487	EV_FREQUENT_CHECK;	3888	EV_FREQUENT_CHECK;
3488	}	3889	}
3489		3890
3490	void	3891	void
3491	ev_child_stop (EV_P_ ev_child *w)	3892	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3492	{	3893	{
3493	clear_pending (EV_A_ (W)w);	3894	clear_pending (EV_A_ (W)w);
3494	if (expect_false (!ev_is_active (w)))	3895	if (expect_false (!ev_is_active (w)))
3495	return;	3896	return;
3496		3897
…		…
3523	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3924	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3524		3925
3525	static void noinline	3926	static void noinline
3526	infy_add (EV_P_ ev_stat *w)	3927	infy_add (EV_P_ ev_stat *w)
3527	{	3928	{
3528	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);
3529		3933
3530	if (w->wd >= 0)	3934	if (w->wd >= 0)
3531	{	3935	{
3532	struct statfs sfs;	3936	struct statfs sfs;
3533		3937
…		…
3537		3941
3538	if (!fs_2625)	3942	if (!fs_2625)
3539	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3943	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3540	else if (!statfs (w->path, &sfs)	3944	else if (!statfs (w->path, &sfs)
3541	&& (sfs.f_type == 0x1373 /* devfs */	3945	&& (sfs.f_type == 0x1373 /* devfs */
		3946	|| sfs.f_type == 0x4006 /* fat */
		3947	|| sfs.f_type == 0x4d44 /* msdos */
3542	|| 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 */
3543	|| sfs.f_type == 0x3153464a /* jfs */	3952	|| sfs.f_type == 0x3153464a /* jfs */
		3953	|| sfs.f_type == 0x9123683e /* btrfs */
3544	|| sfs.f_type == 0x52654973 /* reiser3 */	3954	|| sfs.f_type == 0x52654973 /* reiser3 */
3545	|| sfs.f_type == 0x01021994 /* tempfs */	3955	|| sfs.f_type == 0x01021994 /* tmpfs */
3546	|| sfs.f_type == 0x58465342 /* xfs */))	3956	|| sfs.f_type == 0x58465342 /* xfs */))
3547	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3957	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3548	else	3958	else
3549	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 */
3550	}	3960	}
…		…
3663	}	4073	}
3664		4074
3665	inline_size int	4075	inline_size int
3666	infy_newfd (void)	4076	infy_newfd (void)
3667	{	4077	{
3668	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4078	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3669	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4079	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3670	if (fd >= 0)	4080	if (fd >= 0)
3671	return fd;	4081	return fd;
3672	#endif	4082	#endif
3673	return inotify_init ();	4083	return inotify_init ();
…		…
3748	#else	4158	#else
3749	# define EV_LSTAT(p,b) lstat (p, b)	4159	# define EV_LSTAT(p,b) lstat (p, b)
3750	#endif	4160	#endif
3751		4161
3752	void	4162	void
3753	ev_stat_stat (EV_P_ ev_stat *w)	4163	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3754	{	4164	{
3755	if (lstat (w->path, &w->attr) < 0)	4165	if (lstat (w->path, &w->attr) < 0)
3756	w->attr.st_nlink = 0;	4166	w->attr.st_nlink = 0;
3757	else if (!w->attr.st_nlink)	4167	else if (!w->attr.st_nlink)
3758	w->attr.st_nlink = 1;	4168	w->attr.st_nlink = 1;
…		…
3797	ev_feed_event (EV_A_ w, EV_STAT);	4207	ev_feed_event (EV_A_ w, EV_STAT);
3798	}	4208	}
3799	}	4209	}
3800		4210
3801	void	4211	void
3802	ev_stat_start (EV_P_ ev_stat *w)	4212	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3803	{	4213	{
3804	if (expect_false (ev_is_active (w)))	4214	if (expect_false (ev_is_active (w)))
3805	return;	4215	return;
3806		4216
3807	ev_stat_stat (EV_A_ w);	4217	ev_stat_stat (EV_A_ w);
…		…
3828		4238
3829	EV_FREQUENT_CHECK;	4239	EV_FREQUENT_CHECK;
3830	}	4240	}
3831		4241
3832	void	4242	void
3833	ev_stat_stop (EV_P_ ev_stat *w)	4243	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3834	{	4244	{
3835	clear_pending (EV_A_ (W)w);	4245	clear_pending (EV_A_ (W)w);
3836	if (expect_false (!ev_is_active (w)))	4246	if (expect_false (!ev_is_active (w)))
3837	return;	4247	return;
3838		4248
…		…
3854	}	4264	}
3855	#endif	4265	#endif
3856		4266
3857	#if EV_IDLE_ENABLE	4267	#if EV_IDLE_ENABLE
3858	void	4268	void
3859	ev_idle_start (EV_P_ ev_idle *w)	4269	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3860	{	4270	{
3861	if (expect_false (ev_is_active (w)))	4271	if (expect_false (ev_is_active (w)))
3862	return;	4272	return;
3863		4273
3864	pri_adjust (EV_A_ (W)w);	4274	pri_adjust (EV_A_ (W)w);
…		…
3877		4287
3878	EV_FREQUENT_CHECK;	4288	EV_FREQUENT_CHECK;
3879	}	4289	}
3880		4290
3881	void	4291	void
3882	ev_idle_stop (EV_P_ ev_idle *w)	4292	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3883	{	4293	{
3884	clear_pending (EV_A_ (W)w);	4294	clear_pending (EV_A_ (W)w);
3885	if (expect_false (!ev_is_active (w)))	4295	if (expect_false (!ev_is_active (w)))
3886	return;	4296	return;
3887		4297
…		…
3901	}	4311	}
3902	#endif	4312	#endif
3903		4313
3904	#if EV_PREPARE_ENABLE	4314	#if EV_PREPARE_ENABLE
3905	void	4315	void
3906	ev_prepare_start (EV_P_ ev_prepare *w)	4316	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3907	{	4317	{
3908	if (expect_false (ev_is_active (w)))	4318	if (expect_false (ev_is_active (w)))
3909	return;	4319	return;
3910		4320
3911	EV_FREQUENT_CHECK;	4321	EV_FREQUENT_CHECK;
…		…
3916		4326
3917	EV_FREQUENT_CHECK;	4327	EV_FREQUENT_CHECK;
3918	}	4328	}
3919		4329
3920	void	4330	void
3921	ev_prepare_stop (EV_P_ ev_prepare *w)	4331	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3922	{	4332	{
3923	clear_pending (EV_A_ (W)w);	4333	clear_pending (EV_A_ (W)w);
3924	if (expect_false (!ev_is_active (w)))	4334	if (expect_false (!ev_is_active (w)))
3925	return;	4335	return;
3926		4336
…		…
3939	}	4349	}
3940	#endif	4350	#endif
3941		4351
3942	#if EV_CHECK_ENABLE	4352	#if EV_CHECK_ENABLE
3943	void	4353	void
3944	ev_check_start (EV_P_ ev_check *w)	4354	ev_check_start (EV_P_ ev_check *w) EV_THROW
3945	{	4355	{
3946	if (expect_false (ev_is_active (w)))	4356	if (expect_false (ev_is_active (w)))
3947	return;	4357	return;
3948		4358
3949	EV_FREQUENT_CHECK;	4359	EV_FREQUENT_CHECK;
…		…
3954		4364
3955	EV_FREQUENT_CHECK;	4365	EV_FREQUENT_CHECK;
3956	}	4366	}
3957		4367
3958	void	4368	void
3959	ev_check_stop (EV_P_ ev_check *w)	4369	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3960	{	4370	{
3961	clear_pending (EV_A_ (W)w);	4371	clear_pending (EV_A_ (W)w);
3962	if (expect_false (!ev_is_active (w)))	4372	if (expect_false (!ev_is_active (w)))
3963	return;	4373	return;
3964		4374
…		…
3977	}	4387	}
3978	#endif	4388	#endif
3979		4389
3980	#if EV_EMBED_ENABLE	4390	#if EV_EMBED_ENABLE
3981	void noinline	4391	void noinline
3982	ev_embed_sweep (EV_P_ ev_embed *w)	4392	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3983	{	4393	{
3984	ev_run (w->other, EVRUN_NOWAIT);	4394	ev_run (w->other, EVRUN_NOWAIT);
3985	}	4395	}
3986		4396
3987	static void	4397	static void
…		…
4035	ev_idle_stop (EV_A_ idle);	4445	ev_idle_stop (EV_A_ idle);
4036	}	4446	}
4037	#endif	4447	#endif
4038		4448
4039	void	4449	void
4040	ev_embed_start (EV_P_ ev_embed *w)	4450	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4041	{	4451	{
4042	if (expect_false (ev_is_active (w)))	4452	if (expect_false (ev_is_active (w)))
4043	return;	4453	return;
4044		4454
4045	{	4455	{
…		…
4066		4476
4067	EV_FREQUENT_CHECK;	4477	EV_FREQUENT_CHECK;
4068	}	4478	}
4069		4479
4070	void	4480	void
4071	ev_embed_stop (EV_P_ ev_embed *w)	4481	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4072	{	4482	{
4073	clear_pending (EV_A_ (W)w);	4483	clear_pending (EV_A_ (W)w);
4074	if (expect_false (!ev_is_active (w)))	4484	if (expect_false (!ev_is_active (w)))
4075	return;	4485	return;
4076		4486
…		…
4086	}	4496	}
4087	#endif	4497	#endif
4088		4498
4089	#if EV_FORK_ENABLE	4499	#if EV_FORK_ENABLE
4090	void	4500	void
4091	ev_fork_start (EV_P_ ev_fork *w)	4501	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4092	{	4502	{
4093	if (expect_false (ev_is_active (w)))	4503	if (expect_false (ev_is_active (w)))
4094	return;	4504	return;
4095		4505
4096	EV_FREQUENT_CHECK;	4506	EV_FREQUENT_CHECK;
…		…
4101		4511
4102	EV_FREQUENT_CHECK;	4512	EV_FREQUENT_CHECK;
4103	}	4513	}
4104		4514
4105	void	4515	void
4106	ev_fork_stop (EV_P_ ev_fork *w)	4516	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4107	{	4517	{
4108	clear_pending (EV_A_ (W)w);	4518	clear_pending (EV_A_ (W)w);
4109	if (expect_false (!ev_is_active (w)))	4519	if (expect_false (!ev_is_active (w)))
4110	return;	4520	return;
4111		4521
…		…
4124	}	4534	}
4125	#endif	4535	#endif
4126		4536
4127	#if EV_CLEANUP_ENABLE	4537	#if EV_CLEANUP_ENABLE
4128	void	4538	void
4129	ev_cleanup_start (EV_P_ ev_cleanup *w)	4539	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4130	{	4540	{
4131	if (expect_false (ev_is_active (w)))	4541	if (expect_false (ev_is_active (w)))
4132	return;	4542	return;
4133		4543
4134	EV_FREQUENT_CHECK;	4544	EV_FREQUENT_CHECK;
…		…
4141	ev_unref (EV_A);	4551	ev_unref (EV_A);
4142	EV_FREQUENT_CHECK;	4552	EV_FREQUENT_CHECK;
4143	}	4553	}
4144		4554
4145	void	4555	void
4146	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4556	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4147	{	4557	{
4148	clear_pending (EV_A_ (W)w);	4558	clear_pending (EV_A_ (W)w);
4149	if (expect_false (!ev_is_active (w)))	4559	if (expect_false (!ev_is_active (w)))
4150	return;	4560	return;
4151		4561
…		…
4165	}	4575	}
4166	#endif	4576	#endif
4167		4577
4168	#if EV_ASYNC_ENABLE	4578	#if EV_ASYNC_ENABLE
4169	void	4579	void
4170	ev_async_start (EV_P_ ev_async *w)	4580	ev_async_start (EV_P_ ev_async *w) EV_THROW
4171	{	4581	{
4172	if (expect_false (ev_is_active (w)))	4582	if (expect_false (ev_is_active (w)))
4173	return;	4583	return;
4174		4584
4175	w->sent = 0;	4585	w->sent = 0;
…		…
4184		4594
4185	EV_FREQUENT_CHECK;	4595	EV_FREQUENT_CHECK;
4186	}	4596	}
4187		4597
4188	void	4598	void
4189	ev_async_stop (EV_P_ ev_async *w)	4599	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4190	{	4600	{
4191	clear_pending (EV_A_ (W)w);	4601	clear_pending (EV_A_ (W)w);
4192	if (expect_false (!ev_is_active (w)))	4602	if (expect_false (!ev_is_active (w)))
4193	return;	4603	return;
4194		4604
…		…
4205		4615
4206	EV_FREQUENT_CHECK;	4616	EV_FREQUENT_CHECK;
4207	}	4617	}
4208		4618
4209	void	4619	void
4210	ev_async_send (EV_P_ ev_async *w)	4620	ev_async_send (EV_P_ ev_async *w) EV_THROW
4211	{	4621	{
4212	w->sent = 1;	4622	w->sent = 1;
4213	evpipe_write (EV_A_ &async_pending);	4623	evpipe_write (EV_A_ &async_pending);
4214	}	4624	}
4215	#endif	4625	#endif
…		…
4252		4662
4253	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));
4254	}	4664	}
4255		4665
4256	void	4666	void
4257	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
4258	{	4668	{
4259	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));
4260		4670
4261	if (expect_false (!once))	4671	if (expect_false (!once))
4262	{	4672	{
…		…
4284		4694
4285	/*****************************************************************************/	4695	/*****************************************************************************/
4286		4696
4287	#if EV_WALK_ENABLE	4697	#if EV_WALK_ENABLE
4288	void ecb_cold	4698	void ecb_cold
4289	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
4290	{	4700	{
4291	int i, j;	4701	int i, j;
4292	ev_watcher_list *wl, *wn;	4702	ev_watcher_list *wl, *wn;
4293		4703
4294	if (types & (EV_IO | EV_EMBED))	4704	if (types & (EV_IO | EV_EMBED))
…		…
4400		4810
4401	#if EV_MULTIPLICITY	4811	#if EV_MULTIPLICITY
4402	#include "ev_wrap.h"	4812	#include "ev_wrap.h"
4403	#endif	4813	#endif
4404		4814
4405	EV_CPP(})
4406

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