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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 1.459 by root, Tue Oct 29 12:13:37 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	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
237	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */
239	# define EV_NSIG 65
240	#endif	247	#endif
241		248
242	#ifndef EV_USE_FLOOR	249	#ifndef EV_USE_FLOOR
243	# define EV_USE_FLOOR 0	250	# define EV_USE_FLOOR 0
244	#endif	251	#endif
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	257	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	258	# endif
252	#endif	259	#endif
253		260
254	#ifndef EV_USE_MONOTONIC	261	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	263	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	264	# else
258	# define EV_USE_MONOTONIC 0	265	# define EV_USE_MONOTONIC 0
259	# endif	266	# endif
260	#endif	267	#endif
…		…
347		354
348	#ifndef EV_HEAP_CACHE_AT	355	#ifndef EV_HEAP_CACHE_AT
349	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350	#endif	357	#endif
351		358
		359	#ifdef ANDROID
		360	/* supposedly, android doesn't typedef fd_mask */
		361	# undef EV_USE_SELECT
		362	# define EV_USE_SELECT 0
		363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		364	# undef EV_USE_CLOCK_SYSCALL
		365	# define EV_USE_CLOCK_SYSCALL 0
		366	#endif
		367
		368	/* aix's poll.h seems to cause lots of trouble */
		369	#ifdef _AIX
		370	/* AIX has a completely broken poll.h header */
		371	# undef EV_USE_POLL
		372	# define EV_USE_POLL 0
		373	#endif
		374
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	375	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
353	/* which makes programs even slower. might work on other unices, too. */	376	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	377	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	378	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	379	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	381	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	382	# define EV_USE_MONOTONIC 1
360	# else	383	# else
…		…
363	# endif	386	# endif
364	#endif	387	#endif
365		388
366	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	389	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
367		390
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	391	#ifndef CLOCK_MONOTONIC
375	# undef EV_USE_MONOTONIC	392	# undef EV_USE_MONOTONIC
376	# define EV_USE_MONOTONIC 0	393	# define EV_USE_MONOTONIC 0
377	#endif	394	#endif
378		395
…		…
386	# define EV_USE_INOTIFY 0	403	# define EV_USE_INOTIFY 0
387	#endif	404	#endif
388		405
389	#if !EV_USE_NANOSLEEP	406	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	407	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	408	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	409	# include <sys/select.h>
393	# endif	410	# endif
394	#endif	411	#endif
395		412
396	#if EV_USE_INOTIFY	413	#if EV_USE_INOTIFY
…		…
399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	416	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400	# ifndef IN_DONT_FOLLOW	417	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	418	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	419	# define EV_USE_INOTIFY 0
403	# endif	420	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	421	#endif
409		422
410	#if EV_USE_EVENTFD	423	#if EV_USE_EVENTFD
411	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	424	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412	# include <stdint.h>	425	# include <stdint.h>
…		…
469	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ECB.H BEGIN */	483	/* ECB.H BEGIN */
471	/*	484	/*
472	* libecb - http://software.schmorp.de/pkg/libecb	485	* libecb - http://software.schmorp.de/pkg/libecb
473	*	486	*
474	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	487	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
475	* Copyright (©) 2011 Emanuele Giaquinta	488	* Copyright (©) 2011 Emanuele Giaquinta
476	* All rights reserved.	489	* All rights reserved.
477	*	490	*
478	* Redistribution and use in source and binary forms, with or without modifica-	491	* Redistribution and use in source and binary forms, with or without modifica-
479	* tion, are permitted provided that the following conditions are met:	492	* tion, are permitted provided that the following conditions are met:
…		…
498	*/	511	*/
499		512
500	#ifndef ECB_H	513	#ifndef ECB_H
501	#define ECB_H	514	#define ECB_H
502		515
		516	/* 16 bits major, 16 bits minor */
		517	#define ECB_VERSION 0x00010003
		518
503	#ifdef _WIN32	519	#ifdef _WIN32
504	typedef signed char int8_t;	520	typedef signed char int8_t;
505	typedef unsigned char uint8_t;	521	typedef unsigned char uint8_t;
506	typedef signed short int16_t;	522	typedef signed short int16_t;
507	typedef unsigned short uint16_t;	523	typedef unsigned short uint16_t;
…		…
512	typedef unsigned long long uint64_t;	528	typedef unsigned long long uint64_t;
513	#else /* _MSC_VER || __BORLANDC__ */	529	#else /* _MSC_VER || __BORLANDC__ */
514	typedef signed __int64 int64_t;	530	typedef signed __int64 int64_t;
515	typedef unsigned __int64 uint64_t;	531	typedef unsigned __int64 uint64_t;
516	#endif	532	#endif
		533	#ifdef _WIN64
		534	#define ECB_PTRSIZE 8
		535	typedef uint64_t uintptr_t;
		536	typedef int64_t intptr_t;
		537	#else
		538	#define ECB_PTRSIZE 4
		539	typedef uint32_t uintptr_t;
		540	typedef int32_t intptr_t;
		541	#endif
517	#else	542	#else
518	#include <inttypes.h>	543	#include <inttypes.h>
		544	#if UINTMAX_MAX > 0xffffffffU
		545	#define ECB_PTRSIZE 8
		546	#else
		547	#define ECB_PTRSIZE 4
		548	#endif
		549	#endif
		550
		551	/* work around x32 idiocy by defining proper macros */
		552	#if __x86_64 || _M_AMD64
		553	#if _ILP32
		554	#define ECB_AMD64_X32 1
		555	#else
		556	#define ECB_AMD64 1
		557	#endif
519	#endif	558	#endif
520		559
521	/* many compilers define _GNUC_ to some versions but then only implement	560	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	561	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	562	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	563	* or so.
525	* we try to detect these and simply assume they are not gcc - if they have	564	* 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.	565	* an issue with that they should have done it right in the first place.
527	*/	566	*/
528	#ifndef ECB_GCC_VERSION	567	#ifndef ECB_GCC_VERSION
529	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	568	#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	569	#define ECB_GCC_VERSION(major,minor) 0
531	#else	570	#else
532	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	571	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533	#endif	572	#endif
534	#endif	573	#endif
535		574
		575	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		576	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		577	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		578	#define ECB_CPP (__cplusplus+0)
		579	#define ECB_CPP11 (__cplusplus >= 201103L)
		580
		581	#if ECB_CPP
		582	#define ECB_EXTERN_C extern "C"
		583	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		584	#define ECB_EXTERN_C_END }
		585	#else
		586	#define ECB_EXTERN_C extern
		587	#define ECB_EXTERN_C_BEG
		588	#define ECB_EXTERN_C_END
		589	#endif
		590
536	/*****************************************************************************/	591	/*****************************************************************************/
537		592
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	593	/* 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 */	594	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		595
541	#if ECB_NO_THREADS || ECB_NO_SMP	596	#if ECB_NO_THREADS
		597	#define ECB_NO_SMP 1
		598	#endif
		599
		600	#if ECB_NO_SMP
542	#define ECB_MEMORY_FENCE do { } while (0)	601	#define ECB_MEMORY_FENCE do { } while (0)
543	#endif	602	#endif
544		603
545	#ifndef ECB_MEMORY_FENCE	604	#ifndef ECB_MEMORY_FENCE
546	#if ECB_GCC_VERSION(2,5)	605	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
547	#if __i386__	606	#if __i386 || __i386__
548	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	607	#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 */	608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
550	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
551	#elif __amd64	610	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
552	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	612	#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 */	613	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
555	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	614	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	616	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
558	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	617	|| 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")	618	#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__ ) \	619	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
561	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	620	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		622	#elif __sparc || __sparc__
		623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		624	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		625	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		626	#elif defined __s390__ || defined __s390x__
		627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		628	#elif defined __mips__
		629	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		630	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		631	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		632	#elif defined __alpha__
		633	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		634	#elif defined __hppa__
		635	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		636	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		637	#elif defined __ia64__
		638	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		639	#elif defined __m68k__
		640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		641	#elif defined __m88k__
		642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		643	#elif defined __sh__
		644	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
563	#endif	645	#endif
564	#endif	646	#endif
565	#endif	647	#endif
566		648
567	#ifndef ECB_MEMORY_FENCE	649	#ifndef ECB_MEMORY_FENCE
		650	#if ECB_GCC_VERSION(4,7)
		651	/* see comment below (stdatomic.h) about the C11 memory model. */
		652	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		653
		654	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		655	* without risking compile time errors with other compilers. We *could*
		656	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		657	* around this shit time and again.
		658	* #elif defined __clang && __has_feature (cxx_atomic)
		659	* // see comment below (stdatomic.h) about the C11 memory model.
		660	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		661	*/
		662
568	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)	663	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
569	#define ECB_MEMORY_FENCE __sync_synchronize ()	664	#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 */	665	#elif _MSC_VER >= 1400 /* VC++ 2005 */
573	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	666	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	667	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	668	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
576	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	669	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577	#elif defined(_WIN32)	670	#elif defined _WIN32
578	#include <WinNT.h>	671	#include <WinNT.h>
579	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	672	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		673	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		674	#include <mbarrier.h>
		675	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		676	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		677	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		678	#elif __xlC__
		679	#define ECB_MEMORY_FENCE __sync ()
		680	#endif
		681	#endif
		682
		683	#ifndef ECB_MEMORY_FENCE
		684	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		685	/* we assume that these memory fences work on all variables/all memory accesses, */
		686	/* not just C11 atomics and atomic accesses */
		687	#include <stdatomic.h>
		688	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		689	/* any fence other than seq_cst, which isn't very efficient for us. */
		690	/* Why that is, we don't know - either the C11 memory model is quite useless */
		691	/* for most usages, or gcc and clang have a bug */
		692	/* I *currently* lean towards the latter, and inefficiently implement */
		693	/* all three of ecb's fences as a seq_cst fence */
		694	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
580	#endif	695	#endif
581	#endif	696	#endif
582		697
583	#ifndef ECB_MEMORY_FENCE	698	#ifndef ECB_MEMORY_FENCE
584	#if !ECB_AVOID_PTHREADS	699	#if !ECB_AVOID_PTHREADS
…		…
596	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	711	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)	712	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598	#endif	713	#endif
599	#endif	714	#endif
600		715
601	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	716	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
602	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	717	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603	#endif	718	#endif
604		719
605	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	720	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
606	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	721	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607	#endif	722	#endif
608		723
609	/*****************************************************************************/	724	/*****************************************************************************/
610
611	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
612		725
613	#if __cplusplus	726	#if __cplusplus
614	#define ecb_inline static inline	727	#define ecb_inline static inline
615	#elif ECB_GCC_VERSION(2,5)	728	#elif ECB_GCC_VERSION(2,5)
616	#define ecb_inline static __inline__	729	#define ecb_inline static __inline__
…		…
655	#elif ECB_GCC_VERSION(3,0)	768	#elif ECB_GCC_VERSION(3,0)
656	#define ecb_decltype(x) __typeof(x)	769	#define ecb_decltype(x) __typeof(x)
657	#endif	770	#endif
658		771
659	#define ecb_noinline ecb_attribute ((__noinline__))	772	#define ecb_noinline ecb_attribute ((__noinline__))
660	#define ecb_noreturn ecb_attribute ((__noreturn__))
661	#define ecb_unused ecb_attribute ((__unused__))	773	#define ecb_unused ecb_attribute ((__unused__))
662	#define ecb_const ecb_attribute ((__const__))	774	#define ecb_const ecb_attribute ((__const__))
663	#define ecb_pure ecb_attribute ((__pure__))	775	#define ecb_pure ecb_attribute ((__pure__))
		776
		777	#if ECB_C11
		778	#define ecb_noreturn _Noreturn
		779	#else
		780	#define ecb_noreturn ecb_attribute ((__noreturn__))
		781	#endif
664		782
665	#if ECB_GCC_VERSION(4,3)	783	#if ECB_GCC_VERSION(4,3)
666	#define ecb_artificial ecb_attribute ((__artificial__))	784	#define ecb_artificial ecb_attribute ((__artificial__))
667	#define ecb_hot ecb_attribute ((__hot__))	785	#define ecb_hot ecb_attribute ((__hot__))
668	#define ecb_cold ecb_attribute ((__cold__))	786	#define ecb_cold ecb_attribute ((__cold__))
…		…
759		877
760	return r + ecb_ld32 (x);	878	return r + ecb_ld32 (x);
761	}	879	}
762	#endif	880	#endif
763		881
		882	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		883	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		884	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		885	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		886
		887	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		888	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		889	{
		890	return ( (x * 0x0802U & 0x22110U)
		891	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		892	}
		893
		894	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		895	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		896	{
		897	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		898	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		899	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		900	x = ( x >> 8 ) | ( x << 8);
		901
		902	return x;
		903	}
		904
		905	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		906	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		907	{
		908	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		909	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		910	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		911	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		912	x = ( x >> 16 ) | ( x << 16);
		913
		914	return x;
		915	}
		916
764	/* popcount64 is only available on 64 bit cpus as gcc builtin */	917	/* popcount64 is only available on 64 bit cpus as gcc builtin */
765	/* so for this version we are lazy */	918	/* so for this version we are lazy */
766	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	919	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
767	ecb_function_ int	920	ecb_function_ int
768	ecb_popcount64 (uint64_t x)	921	ecb_popcount64 (uint64_t x)
…		…
817		970
818	#if ECB_GCC_VERSION(4,5)	971	#if ECB_GCC_VERSION(4,5)
819	#define ecb_unreachable() __builtin_unreachable ()	972	#define ecb_unreachable() __builtin_unreachable ()
820	#else	973	#else
821	/* this seems to work fine, but gcc always emits a warning for it :/ */	974	/* this seems to work fine, but gcc always emits a warning for it :/ */
822	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	975	ecb_inline void ecb_unreachable (void) ecb_noreturn;
823	ecb_function_ void ecb_unreachable (void) { }	976	ecb_inline void ecb_unreachable (void) { }
824	#endif	977	#endif
825		978
826	/* try to tell the compiler that some condition is definitely true */	979	/* try to tell the compiler that some condition is definitely true */
827	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	980	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
828		981
829	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	982	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
830	ecb_function_ unsigned char	983	ecb_inline unsigned char
831	ecb_byteorder_helper (void)	984	ecb_byteorder_helper (void)
832	{	985	{
833	const uint32_t u = 0x11223344;	986	/* the union code still generates code under pressure in gcc, */
834	return *(unsigned char *)&u;	987	/* but less than using pointers, and always seems to */
		988	/* successfully return a constant. */
		989	/* the reason why we have this horrible preprocessor mess */
		990	/* is to avoid it in all cases, at least on common architectures */
		991	/* or when using a recent enough gcc version (>= 4.6) */
		992	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		993	return 0x44;
		994	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		995	return 0x44;
		996	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		997	return 0x11;
		998	#else
		999	union
		1000	{
		1001	uint32_t i;
		1002	uint8_t c;
		1003	} u = { 0x11223344 };
		1004	return u.c;
		1005	#endif
835	}	1006	}
836		1007
837	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1008	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
838	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1009	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
839	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1010	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
840	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1011	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
841		1012
842	#if ECB_GCC_VERSION(3,0) || ECB_C99	1013	#if ECB_GCC_VERSION(3,0) || ECB_C99
843	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1014	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
844	#else	1015	#else
845	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1016	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1017	#endif
		1018
		1019	#if __cplusplus
		1020	template<typename T>
		1021	static inline T ecb_div_rd (T val, T div)
		1022	{
		1023	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1024	}
		1025	template<typename T>
		1026	static inline T ecb_div_ru (T val, T div)
		1027	{
		1028	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1029	}
		1030	#else
		1031	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1032	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
846	#endif	1033	#endif
847		1034
848	#if ecb_cplusplus_does_not_suck	1035	#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) */	1036	/* 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>	1037	template<typename T, int N>
…		…
854	}	1041	}
855	#else	1042	#else
856	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1043	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
857	#endif	1044	#endif
858		1045
		1046	/*******************************************************************************/
		1047	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1048
		1049	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1050	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1051	#if 0 \
		1052	|| __i386 || __i386__ \
		1053	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1054	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1055	|| defined __arm__ && defined __ARM_EABI__ \
		1056	|| defined __s390__ || defined __s390x__ \
		1057	|| defined __mips__ \
		1058	|| defined __alpha__ \
		1059	|| defined __hppa__ \
		1060	|| defined __ia64__ \
		1061	|| defined __m68k__ \
		1062	|| defined __m88k__ \
		1063	|| defined __sh__ \
		1064	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1065	#define ECB_STDFP 1
		1066	#include <string.h> /* for memcpy */
		1067	#else
		1068	#define ECB_STDFP 0
		1069	#endif
		1070
		1071	#ifndef ECB_NO_LIBM
		1072
		1073	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1074
		1075	#ifdef NEN
		1076	#define ECB_NAN NAN
		1077	#else
		1078	#define ECB_NAN INFINITY
		1079	#endif
		1080
		1081	/* converts an ieee half/binary16 to a float */
		1082	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
		1083	ecb_function_ float
		1084	ecb_binary16_to_float (uint16_t x)
		1085	{
		1086	int e = (x >> 10) & 0x1f;
		1087	int m = x & 0x3ff;
		1088	float r;
		1089
		1090	if (!e ) r = ldexpf (m , -24);
		1091	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
		1092	else if (m ) r = ECB_NAN;
		1093	else r = INFINITY;
		1094
		1095	return x & 0x8000 ? -r : r;
		1096	}
		1097
		1098	/* convert a float to ieee single/binary32 */
		1099	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1100	ecb_function_ uint32_t
		1101	ecb_float_to_binary32 (float x)
		1102	{
		1103	uint32_t r;
		1104
		1105	#if ECB_STDFP
		1106	memcpy (&r, &x, 4);
		1107	#else
		1108	/* slow emulation, works for anything but -0 */
		1109	uint32_t m;
		1110	int e;
		1111
		1112	if (x == 0e0f ) return 0x00000000U;
		1113	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1114	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1115	if (x != x ) return 0x7fbfffffU;
		1116
		1117	m = frexpf (x, &e) * 0x1000000U;
		1118
		1119	r = m & 0x80000000U;
		1120
		1121	if (r)
		1122	m = -m;
		1123
		1124	if (e <= -126)
		1125	{
		1126	m &= 0xffffffU;
		1127	m >>= (-125 - e);
		1128	e = -126;
		1129	}
		1130
		1131	r |= (e + 126) << 23;
		1132	r |= m & 0x7fffffU;
		1133	#endif
		1134
		1135	return r;
		1136	}
		1137
		1138	/* converts an ieee single/binary32 to a float */
		1139	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1140	ecb_function_ float
		1141	ecb_binary32_to_float (uint32_t x)
		1142	{
		1143	float r;
		1144
		1145	#if ECB_STDFP
		1146	memcpy (&r, &x, 4);
		1147	#else
		1148	/* emulation, only works for normals and subnormals and +0 */
		1149	int neg = x >> 31;
		1150	int e = (x >> 23) & 0xffU;
		1151
		1152	x &= 0x7fffffU;
		1153
		1154	if (e)
		1155	x |= 0x800000U;
		1156	else
		1157	e = 1;
		1158
		1159	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1160	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1161
		1162	r = neg ? -r : r;
		1163	#endif
		1164
		1165	return r;
		1166	}
		1167
		1168	/* convert a double to ieee double/binary64 */
		1169	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1170	ecb_function_ uint64_t
		1171	ecb_double_to_binary64 (double x)
		1172	{
		1173	uint64_t r;
		1174
		1175	#if ECB_STDFP
		1176	memcpy (&r, &x, 8);
		1177	#else
		1178	/* slow emulation, works for anything but -0 */
		1179	uint64_t m;
		1180	int e;
		1181
		1182	if (x == 0e0 ) return 0x0000000000000000U;
		1183	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1184	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1185	if (x != x ) return 0X7ff7ffffffffffffU;
		1186
		1187	m = frexp (x, &e) * 0x20000000000000U;
		1188
		1189	r = m & 0x8000000000000000;;
		1190
		1191	if (r)
		1192	m = -m;
		1193
		1194	if (e <= -1022)
		1195	{
		1196	m &= 0x1fffffffffffffU;
		1197	m >>= (-1021 - e);
		1198	e = -1022;
		1199	}
		1200
		1201	r |= ((uint64_t)(e + 1022)) << 52;
		1202	r |= m & 0xfffffffffffffU;
		1203	#endif
		1204
		1205	return r;
		1206	}
		1207
		1208	/* converts an ieee double/binary64 to a double */
		1209	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1210	ecb_function_ double
		1211	ecb_binary64_to_double (uint64_t x)
		1212	{
		1213	double r;
		1214
		1215	#if ECB_STDFP
		1216	memcpy (&r, &x, 8);
		1217	#else
		1218	/* emulation, only works for normals and subnormals and +0 */
		1219	int neg = x >> 63;
		1220	int e = (x >> 52) & 0x7ffU;
		1221
		1222	x &= 0xfffffffffffffU;
		1223
		1224	if (e)
		1225	x |= 0x10000000000000U;
		1226	else
		1227	e = 1;
		1228
		1229	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1230	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1231
		1232	r = neg ? -r : r;
		1233	#endif
		1234
		1235	return r;
		1236	}
		1237
		1238	#endif
		1239
859	#endif	1240	#endif
860		1241
861	/* ECB.H END */	1242	/* ECB.H END */
862		1243
863	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1244	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
864	/* if your architetcure doesn't need memory fences, e.g. because it is	1245	/* 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	1246	* 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	1247	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
867	* libev, in which casess the memory fences become nops.	1248	* libev, in which cases the memory fences become nops.
868	* alternatively, you can remove this #error and link against libpthread,	1249	* alternatively, you can remove this #error and link against libpthread,
869	* which will then provide the memory fences.	1250	* which will then provide the memory fences.
870	*/	1251	*/
871	# error "memory fences not defined for your architecture, please report"	1252	# error "memory fences not defined for your architecture, please report"
872	#endif	1253	#endif
…		…
1029	{	1410	{
1030	write (STDERR_FILENO, msg, strlen (msg));	1411	write (STDERR_FILENO, msg, strlen (msg));
1031	}	1412	}
1032	#endif	1413	#endif
1033		1414
1034	static void (*syserr_cb)(const char *msg);	1415	static void (*syserr_cb)(const char *msg) EV_THROW;
1035		1416
1036	void ecb_cold	1417	void ecb_cold
1037	ev_set_syserr_cb (void (*cb)(const char *msg))	1418	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1038	{	1419	{
1039	syserr_cb = cb;	1420	syserr_cb = cb;
1040	}	1421	}
1041		1422
1042	static void noinline ecb_cold	1423	static void noinline ecb_cold
…		…
1060	abort ();	1441	abort ();
1061	}	1442	}
1062	}	1443	}
1063		1444
1064	static void *	1445	static void *
1065	ev_realloc_emul (void *ptr, long size)	1446	ev_realloc_emul (void *ptr, long size) EV_THROW
1066	{	1447	{
1067	#if __GLIBC__
1068	return realloc (ptr, size);
1069	#else
1070	/* some systems, notably openbsd and darwin, fail to properly	1448	/* some systems, notably openbsd and darwin, fail to properly
1071	* implement realloc (x, 0) (as required by both ansi c-89 and	1449	* implement realloc (x, 0) (as required by both ansi c-89 and
1072	* the single unix specification, so work around them here.	1450	* the single unix specification, so work around them here.
		1451	* recently, also (at least) fedora and debian started breaking it,
		1452	* despite documenting it otherwise.
1073	*/	1453	*/
1074		1454
1075	if (size)	1455	if (size)
1076	return realloc (ptr, size);	1456	return realloc (ptr, size);
1077		1457
1078	free (ptr);	1458	free (ptr);
1079	return 0;	1459	return 0;
1080	#endif
1081	}	1460	}
1082		1461
1083	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1462	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1084		1463
1085	void ecb_cold	1464	void ecb_cold
1086	ev_set_allocator (void *(*cb)(void *ptr, long size))	1465	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1087	{	1466	{
1088	alloc = cb;	1467	alloc = cb;
1089	}	1468	}
1090		1469
1091	inline_speed void *	1470	inline_speed void *
…		…
1179	#undef VAR	1558	#undef VAR
1180	};	1559	};
1181	#include "ev_wrap.h"	1560	#include "ev_wrap.h"
1182		1561
1183	static struct ev_loop default_loop_struct;	1562	static struct ev_loop default_loop_struct;
1184	struct ev_loop *ev_default_loop_ptr;	1563	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1185		1564
1186	#else	1565	#else
1187		1566
1188	ev_tstamp ev_rt_now;	1567	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;	1568	#define VAR(name,decl) static decl;
1190	#include "ev_vars.h"	1569	#include "ev_vars.h"
1191	#undef VAR	1570	#undef VAR
1192		1571
1193	static int ev_default_loop_ptr;	1572	static int ev_default_loop_ptr;
…		…
1208		1587
1209	/*****************************************************************************/	1588	/*****************************************************************************/
1210		1589
1211	#ifndef EV_HAVE_EV_TIME	1590	#ifndef EV_HAVE_EV_TIME
1212	ev_tstamp	1591	ev_tstamp
1213	ev_time (void)	1592	ev_time (void) EV_THROW
1214	{	1593	{
1215	#if EV_USE_REALTIME	1594	#if EV_USE_REALTIME
1216	if (expect_true (have_realtime))	1595	if (expect_true (have_realtime))
1217	{	1596	{
1218	struct timespec ts;	1597	struct timespec ts;
…		…
1242	return ev_time ();	1621	return ev_time ();
1243	}	1622	}
1244		1623
1245	#if EV_MULTIPLICITY	1624	#if EV_MULTIPLICITY
1246	ev_tstamp	1625	ev_tstamp
1247	ev_now (EV_P)	1626	ev_now (EV_P) EV_THROW
1248	{	1627	{
1249	return ev_rt_now;	1628	return ev_rt_now;
1250	}	1629	}
1251	#endif	1630	#endif
1252		1631
1253	void	1632	void
1254	ev_sleep (ev_tstamp delay)	1633	ev_sleep (ev_tstamp delay) EV_THROW
1255	{	1634	{
1256	if (delay > 0.)	1635	if (delay > 0.)
1257	{	1636	{
1258	#if EV_USE_NANOSLEEP	1637	#if EV_USE_NANOSLEEP
1259	struct timespec ts;	1638	struct timespec ts;
1260		1639
1261	EV_TS_SET (ts, delay);	1640	EV_TS_SET (ts, delay);
1262	nanosleep (&ts, 0);	1641	nanosleep (&ts, 0);
1263	#elif defined(_WIN32)	1642	#elif defined _WIN32
1264	Sleep ((unsigned long)(delay * 1e3));	1643	Sleep ((unsigned long)(delay * 1e3));
1265	#else	1644	#else
1266	struct timeval tv;	1645	struct timeval tv;
1267		1646
1268	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1647	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1287		1666
1288	do	1667	do
1289	ncur <<= 1;	1668	ncur <<= 1;
1290	while (cnt > ncur);	1669	while (cnt > ncur);
1291		1670
1292	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1671	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1293	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1672	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1294	{	1673	{
1295	ncur *= elem;	1674	ncur *= elem;
1296	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1675	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1297	ncur = ncur - sizeof (void *) * 4;	1676	ncur = ncur - sizeof (void *) * 4;
…		…
1340	pendingcb (EV_P_ ev_prepare *w, int revents)	1719	pendingcb (EV_P_ ev_prepare *w, int revents)
1341	{	1720	{
1342	}	1721	}
1343		1722
1344	void noinline	1723	void noinline
1345	ev_feed_event (EV_P_ void *w, int revents)	1724	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1346	{	1725	{
1347	W w_ = (W)w;	1726	W w_ = (W)w;
1348	int pri = ABSPRI (w_);	1727	int pri = ABSPRI (w_);
1349		1728
1350	if (expect_false (w_->pending))	1729	if (expect_false (w_->pending))
…		…
1354	w_->pending = ++pendingcnt [pri];	1733	w_->pending = ++pendingcnt [pri];
1355	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1734	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1356	pendings [pri][w_->pending - 1].w = w_;	1735	pendings [pri][w_->pending - 1].w = w_;
1357	pendings [pri][w_->pending - 1].events = revents;	1736	pendings [pri][w_->pending - 1].events = revents;
1358	}	1737	}
		1738
		1739	pendingpri = NUMPRI - 1;
1359	}	1740	}
1360		1741
1361	inline_speed void	1742	inline_speed void
1362	feed_reverse (EV_P_ W w)	1743	feed_reverse (EV_P_ W w)
1363	{	1744	{
…		…
1409	if (expect_true (!anfd->reify))	1790	if (expect_true (!anfd->reify))
1410	fd_event_nocheck (EV_A_ fd, revents);	1791	fd_event_nocheck (EV_A_ fd, revents);
1411	}	1792	}
1412		1793
1413	void	1794	void
1414	ev_feed_fd_event (EV_P_ int fd, int revents)	1795	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1415	{	1796	{
1416	if (fd >= 0 && fd < anfdmax)	1797	if (fd >= 0 && fd < anfdmax)
1417	fd_event_nocheck (EV_A_ fd, revents);	1798	fd_event_nocheck (EV_A_ fd, revents);
1418	}	1799	}
1419		1800
…		…
1738	static void noinline ecb_cold	2119	static void noinline ecb_cold
1739	evpipe_init (EV_P)	2120	evpipe_init (EV_P)
1740	{	2121	{
1741	if (!ev_is_active (&pipe_w))	2122	if (!ev_is_active (&pipe_w))
1742	{	2123	{
		2124	int fds [2];
		2125
1743	# if EV_USE_EVENTFD	2126	# if EV_USE_EVENTFD
		2127	fds [0] = -1;
1744	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2128	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1745	if (evfd < 0 && errno == EINVAL)	2129	if (fds [1] < 0 && errno == EINVAL)
1746	evfd = eventfd (0, 0);	2130	fds [1] = eventfd (0, 0);
1747		2131
1748	if (evfd >= 0)	2132	if (fds [1] < 0)
		2133	# endif
1749	{	2134	{
		2135	while (pipe (fds))
		2136	ev_syserr ("(libev) error creating signal/async pipe");
		2137
		2138	fd_intern (fds [0]);
		2139	}
		2140
1750	evpipe [0] = -1;	2141	evpipe [0] = fds [0];
1751	fd_intern (evfd); /* doing it twice doesn't hurt */	2142
1752	ev_io_set (&pipe_w, evfd, EV_READ);	2143	if (evpipe [1] < 0)
		2144	evpipe [1] = fds [1]; /* first call, set write fd */
		2145	else
		2146	{
		2147	/* on subsequent calls, do not change evpipe [1] */
		2148	/* so that evpipe_write can always rely on its value. */
		2149	/* this branch does not do anything sensible on windows, */
		2150	/* so must not be executed on windows */
		2151
		2152	dup2 (fds [1], evpipe [1]);
		2153	close (fds [1]);
		2154	}
		2155
		2156	fd_intern (evpipe [1]);
		2157
		2158	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2159	ev_io_start (EV_A_ &pipe_w);
		2160	ev_unref (EV_A); /* watcher should not keep loop alive */
		2161	}
		2162	}
		2163
		2164	inline_speed void
		2165	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2166	{
		2167	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2168
		2169	if (expect_true (*flag))
		2170	return;
		2171
		2172	*flag = 1;
		2173	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2174
		2175	pipe_write_skipped = 1;
		2176
		2177	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2178
		2179	if (pipe_write_wanted)
		2180	{
		2181	int old_errno;
		2182
		2183	pipe_write_skipped = 0;
		2184	ECB_MEMORY_FENCE_RELEASE;
		2185
		2186	old_errno = errno; /* save errno because write will clobber it */
		2187
		2188	#if EV_USE_EVENTFD
		2189	if (evpipe [0] < 0)
		2190	{
		2191	uint64_t counter = 1;
		2192	write (evpipe [1], &counter, sizeof (uint64_t));
1753	}	2193	}
1754	else	2194	else
1755	# endif	2195	#endif
1756	{	2196	{
1757	while (pipe (evpipe))	2197	#ifdef _WIN32
1758	ev_syserr ("(libev) error creating signal/async pipe");	2198	WSABUF buf;
1759		2199	DWORD sent;
1760	fd_intern (evpipe [0]);	2200	buf.buf = &buf;
1761	fd_intern (evpipe [1]);	2201	buf.len = 1;
1762	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2202	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1763	}	2203	#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);	2204	write (evpipe [1], &(evpipe [1]), 1);
		2205	#endif
1807	}	2206	}
1808		2207
1809	errno = old_errno;	2208	errno = old_errno;
1810	}	2209	}
1811	}	2210	}
…		…
1818	int i;	2217	int i;
1819		2218
1820	if (revents & EV_READ)	2219	if (revents & EV_READ)
1821	{	2220	{
1822	#if EV_USE_EVENTFD	2221	#if EV_USE_EVENTFD
1823	if (evfd >= 0)	2222	if (evpipe [0] < 0)
1824	{	2223	{
1825	uint64_t counter;	2224	uint64_t counter;
1826	read (evfd, &counter, sizeof (uint64_t));	2225	read (evpipe [1], &counter, sizeof (uint64_t));
1827	}	2226	}
1828	else	2227	else
1829	#endif	2228	#endif
1830	{	2229	{
1831	char dummy;	2230	char dummy[4];
1832	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2231	#ifdef _WIN32
		2232	WSABUF buf;
		2233	DWORD recvd;
		2234	DWORD flags = 0;
		2235	buf.buf = dummy;
		2236	buf.len = sizeof (dummy);
		2237	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2238	#else
1833	read (evpipe [0], &dummy, 1);	2239	read (evpipe [0], &dummy, sizeof (dummy));
		2240	#endif
1834	}	2241	}
1835	}	2242	}
1836		2243
1837	pipe_write_skipped = 0;	2244	pipe_write_skipped = 0;
		2245
		2246	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1838		2247
1839	#if EV_SIGNAL_ENABLE	2248	#if EV_SIGNAL_ENABLE
1840	if (sig_pending)	2249	if (sig_pending)
1841	{	2250	{
1842	sig_pending = 0;	2251	sig_pending = 0;
		2252
		2253	ECB_MEMORY_FENCE;
1843		2254
1844	for (i = EV_NSIG - 1; i--; )	2255	for (i = EV_NSIG - 1; i--; )
1845	if (expect_false (signals [i].pending))	2256	if (expect_false (signals [i].pending))
1846	ev_feed_signal_event (EV_A_ i + 1);	2257	ev_feed_signal_event (EV_A_ i + 1);
1847	}	2258	}
…		…
1849		2260
1850	#if EV_ASYNC_ENABLE	2261	#if EV_ASYNC_ENABLE
1851	if (async_pending)	2262	if (async_pending)
1852	{	2263	{
1853	async_pending = 0;	2264	async_pending = 0;
		2265
		2266	ECB_MEMORY_FENCE;
1854		2267
1855	for (i = asynccnt; i--; )	2268	for (i = asynccnt; i--; )
1856	if (asyncs [i]->sent)	2269	if (asyncs [i]->sent)
1857	{	2270	{
1858	asyncs [i]->sent = 0;	2271	asyncs [i]->sent = 0;
		2272	ECB_MEMORY_FENCE_RELEASE;
1859	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2273	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1860	}	2274	}
1861	}	2275	}
1862	#endif	2276	#endif
1863	}	2277	}
1864		2278
1865	/*****************************************************************************/	2279	/*****************************************************************************/
1866		2280
1867	void	2281	void
1868	ev_feed_signal (int signum)	2282	ev_feed_signal (int signum) EV_THROW
1869	{	2283	{
1870	#if EV_MULTIPLICITY	2284	#if EV_MULTIPLICITY
		2285	EV_P;
		2286	ECB_MEMORY_FENCE_ACQUIRE;
1871	EV_P = signals [signum - 1].loop;	2287	EV_A = signals [signum - 1].loop;
1872		2288
1873	if (!EV_A)	2289	if (!EV_A)
1874	return;	2290	return;
1875	#endif	2291	#endif
1876		2292
1877	if (!ev_active (&pipe_w))
1878	return;
1879
1880	signals [signum - 1].pending = 1;	2293	signals [signum - 1].pending = 1;
1881	evpipe_write (EV_A_ &sig_pending);	2294	evpipe_write (EV_A_ &sig_pending);
1882	}	2295	}
1883		2296
1884	static void	2297	static void
…		…
1890		2303
1891	ev_feed_signal (signum);	2304	ev_feed_signal (signum);
1892	}	2305	}
1893		2306
1894	void noinline	2307	void noinline
1895	ev_feed_signal_event (EV_P_ int signum)	2308	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1896	{	2309	{
1897	WL w;	2310	WL w;
1898		2311
1899	if (expect_false (signum <= 0 || signum > EV_NSIG))	2312	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1900	return;	2313	return;
1901		2314
1902	--signum;	2315	--signum;
1903		2316
1904	#if EV_MULTIPLICITY	2317	#if EV_MULTIPLICITY
…		…
1908	if (expect_false (signals [signum].loop != EV_A))	2321	if (expect_false (signals [signum].loop != EV_A))
1909	return;	2322	return;
1910	#endif	2323	#endif
1911		2324
1912	signals [signum].pending = 0;	2325	signals [signum].pending = 0;
		2326	ECB_MEMORY_FENCE_RELEASE;
1913		2327
1914	for (w = signals [signum].head; w; w = w->next)	2328	for (w = signals [signum].head; w; w = w->next)
1915	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2329	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1916	}	2330	}
1917		2331
…		…
2016	#if EV_USE_SELECT	2430	#if EV_USE_SELECT
2017	# include "ev_select.c"	2431	# include "ev_select.c"
2018	#endif	2432	#endif
2019		2433
2020	int ecb_cold	2434	int ecb_cold
2021	ev_version_major (void)	2435	ev_version_major (void) EV_THROW
2022	{	2436	{
2023	return EV_VERSION_MAJOR;	2437	return EV_VERSION_MAJOR;
2024	}	2438	}
2025		2439
2026	int ecb_cold	2440	int ecb_cold
2027	ev_version_minor (void)	2441	ev_version_minor (void) EV_THROW
2028	{	2442	{
2029	return EV_VERSION_MINOR;	2443	return EV_VERSION_MINOR;
2030	}	2444	}
2031		2445
2032	/* return true if we are running with elevated privileges and should ignore env variables */	2446	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2040	|| getgid () != getegid ();	2454	|| getgid () != getegid ();
2041	#endif	2455	#endif
2042	}	2456	}
2043		2457
2044	unsigned int ecb_cold	2458	unsigned int ecb_cold
2045	ev_supported_backends (void)	2459	ev_supported_backends (void) EV_THROW
2046	{	2460	{
2047	unsigned int flags = 0;	2461	unsigned int flags = 0;
2048		2462
2049	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2463	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2050	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2464	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2054		2468
2055	return flags;	2469	return flags;
2056	}	2470	}
2057		2471
2058	unsigned int ecb_cold	2472	unsigned int ecb_cold
2059	ev_recommended_backends (void)	2473	ev_recommended_backends (void) EV_THROW
2060	{	2474	{
2061	unsigned int flags = ev_supported_backends ();	2475	unsigned int flags = ev_supported_backends ();
2062		2476
2063	#ifndef __NetBSD__	2477	#ifndef __NetBSD__
2064	/* kqueue is borked on everything but netbsd apparently */	2478	/* kqueue is borked on everything but netbsd apparently */
…		…
2076		2490
2077	return flags;	2491	return flags;
2078	}	2492	}
2079		2493
2080	unsigned int ecb_cold	2494	unsigned int ecb_cold
2081	ev_embeddable_backends (void)	2495	ev_embeddable_backends (void) EV_THROW
2082	{	2496	{
2083	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2497	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2084		2498
2085	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2499	/* 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 */	2500	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2088		2502
2089	return flags;	2503	return flags;
2090	}	2504	}
2091		2505
2092	unsigned int	2506	unsigned int
2093	ev_backend (EV_P)	2507	ev_backend (EV_P) EV_THROW
2094	{	2508	{
2095	return backend;	2509	return backend;
2096	}	2510	}
2097		2511
2098	#if EV_FEATURE_API	2512	#if EV_FEATURE_API
2099	unsigned int	2513	unsigned int
2100	ev_iteration (EV_P)	2514	ev_iteration (EV_P) EV_THROW
2101	{	2515	{
2102	return loop_count;	2516	return loop_count;
2103	}	2517	}
2104		2518
2105	unsigned int	2519	unsigned int
2106	ev_depth (EV_P)	2520	ev_depth (EV_P) EV_THROW
2107	{	2521	{
2108	return loop_depth;	2522	return loop_depth;
2109	}	2523	}
2110		2524
2111	void	2525	void
2112	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2526	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2113	{	2527	{
2114	io_blocktime = interval;	2528	io_blocktime = interval;
2115	}	2529	}
2116		2530
2117	void	2531	void
2118	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2532	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2119	{	2533	{
2120	timeout_blocktime = interval;	2534	timeout_blocktime = interval;
2121	}	2535	}
2122		2536
2123	void	2537	void
2124	ev_set_userdata (EV_P_ void *data)	2538	ev_set_userdata (EV_P_ void *data) EV_THROW
2125	{	2539	{
2126	userdata = data;	2540	userdata = data;
2127	}	2541	}
2128		2542
2129	void *	2543	void *
2130	ev_userdata (EV_P)	2544	ev_userdata (EV_P) EV_THROW
2131	{	2545	{
2132	return userdata;	2546	return userdata;
2133	}	2547	}
2134		2548
2135	void	2549	void
2136	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2550	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2137	{	2551	{
2138	invoke_cb = invoke_pending_cb;	2552	invoke_cb = invoke_pending_cb;
2139	}	2553	}
2140		2554
2141	void	2555	void
2142	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2556	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2143	{	2557	{
2144	release_cb = release;	2558	release_cb = release;
2145	acquire_cb = acquire;	2559	acquire_cb = acquire;
2146	}	2560	}
2147	#endif	2561	#endif
2148		2562
2149	/* initialise a loop structure, must be zero-initialised */	2563	/* initialise a loop structure, must be zero-initialised */
2150	static void noinline ecb_cold	2564	static void noinline ecb_cold
2151	loop_init (EV_P_ unsigned int flags)	2565	loop_init (EV_P_ unsigned int flags) EV_THROW
2152	{	2566	{
2153	if (!backend)	2567	if (!backend)
2154	{	2568	{
2155	origflags = flags;	2569	origflags = flags;
2156		2570
…		…
2201	#if EV_ASYNC_ENABLE	2615	#if EV_ASYNC_ENABLE
2202	async_pending = 0;	2616	async_pending = 0;
2203	#endif	2617	#endif
2204	pipe_write_skipped = 0;	2618	pipe_write_skipped = 0;
2205	pipe_write_wanted = 0;	2619	pipe_write_wanted = 0;
		2620	evpipe [0] = -1;
		2621	evpipe [1] = -1;
2206	#if EV_USE_INOTIFY	2622	#if EV_USE_INOTIFY
2207	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2623	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2208	#endif	2624	#endif
2209	#if EV_USE_SIGNALFD	2625	#if EV_USE_SIGNALFD
2210	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2626	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2261	EV_INVOKE_PENDING;	2677	EV_INVOKE_PENDING;
2262	}	2678	}
2263	#endif	2679	#endif
2264		2680
2265	#if EV_CHILD_ENABLE	2681	#if EV_CHILD_ENABLE
2266	if (ev_is_active (&childev))	2682	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2267	{	2683	{
2268	ev_ref (EV_A); /* child watcher */	2684	ev_ref (EV_A); /* child watcher */
2269	ev_signal_stop (EV_A_ &childev);	2685	ev_signal_stop (EV_A_ &childev);
2270	}	2686	}
2271	#endif	2687	#endif
…		…
2273	if (ev_is_active (&pipe_w))	2689	if (ev_is_active (&pipe_w))
2274	{	2690	{
2275	/*ev_ref (EV_A);*/	2691	/*ev_ref (EV_A);*/
2276	/*ev_io_stop (EV_A_ &pipe_w);*/	2692	/*ev_io_stop (EV_A_ &pipe_w);*/
2277		2693
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]);	2694	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2286	EV_WIN32_CLOSE_FD (evpipe [1]);	2695	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2287	}
2288	}	2696	}
2289		2697
2290	#if EV_USE_SIGNALFD	2698	#if EV_USE_SIGNALFD
2291	if (ev_is_active (&sigfd_w))	2699	if (ev_is_active (&sigfd_w))
2292	close (sigfd);	2700	close (sigfd);
…		…
2378	#endif	2786	#endif
2379	#if EV_USE_INOTIFY	2787	#if EV_USE_INOTIFY
2380	infy_fork (EV_A);	2788	infy_fork (EV_A);
2381	#endif	2789	#endif
2382		2790
		2791	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2383	if (ev_is_active (&pipe_w))	2792	if (ev_is_active (&pipe_w))
2384	{	2793	{
2385	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2794	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2386		2795
2387	ev_ref (EV_A);	2796	ev_ref (EV_A);
2388	ev_io_stop (EV_A_ &pipe_w);	2797	ev_io_stop (EV_A_ &pipe_w);
2389		2798
2390	#if EV_USE_EVENTFD
2391	if (evfd >= 0)
2392	close (evfd);
2393	#endif
2394
2395	if (evpipe [0] >= 0)	2799	if (evpipe [0] >= 0)
2396	{
2397	EV_WIN32_CLOSE_FD (evpipe [0]);	2800	EV_WIN32_CLOSE_FD (evpipe [0]);
2398	EV_WIN32_CLOSE_FD (evpipe [1]);
2399	}
2400		2801
2401	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2402	evpipe_init (EV_A);	2802	evpipe_init (EV_A);
2403	/* now iterate over everything, in case we missed something */	2803	/* iterate over everything, in case we missed something before */
2404	pipecb (EV_A_ &pipe_w, EV_READ);	2804	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2405	#endif
2406	}	2805	}
		2806	#endif
2407		2807
2408	postfork = 0;	2808	postfork = 0;
2409	}	2809	}
2410		2810
2411	#if EV_MULTIPLICITY	2811	#if EV_MULTIPLICITY
2412		2812
2413	struct ev_loop * ecb_cold	2813	struct ev_loop * ecb_cold
2414	ev_loop_new (unsigned int flags)	2814	ev_loop_new (unsigned int flags) EV_THROW
2415	{	2815	{
2416	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2816	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2417		2817
2418	memset (EV_A, 0, sizeof (struct ev_loop));	2818	memset (EV_A, 0, sizeof (struct ev_loop));
2419	loop_init (EV_A_ flags);	2819	loop_init (EV_A_ flags);
…		…
2463	}	2863	}
2464	#endif	2864	#endif
2465		2865
2466	#if EV_FEATURE_API	2866	#if EV_FEATURE_API
2467	void ecb_cold	2867	void ecb_cold
2468	ev_verify (EV_P)	2868	ev_verify (EV_P) EV_THROW
2469	{	2869	{
2470	#if EV_VERIFY	2870	#if EV_VERIFY
2471	int i;	2871	int i;
2472	WL w;	2872	WL w, w2;
2473		2873
2474	assert (activecnt >= -1);	2874	assert (activecnt >= -1);
2475		2875
2476	assert (fdchangemax >= fdchangecnt);	2876	assert (fdchangemax >= fdchangecnt);
2477	for (i = 0; i < fdchangecnt; ++i)	2877	for (i = 0; i < fdchangecnt; ++i)
2478	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2878	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2479		2879
2480	assert (anfdmax >= 0);	2880	assert (anfdmax >= 0);
2481	for (i = 0; i < anfdmax; ++i)	2881	for (i = 0; i < anfdmax; ++i)
		2882	{
		2883	int j = 0;
		2884
2482	for (w = anfds [i].head; w; w = w->next)	2885	for (w = w2 = anfds [i].head; w; w = w->next)
2483	{	2886	{
2484	verify_watcher (EV_A_ (W)w);	2887	verify_watcher (EV_A_ (W)w);
		2888
		2889	if (j++ & 1)
		2890	{
		2891	assert (("libev: io watcher list contains a loop", w != w2));
		2892	w2 = w2->next;
		2893	}
		2894
2485	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2895	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));	2896	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2487	}	2897	}
		2898	}
2488		2899
2489	assert (timermax >= timercnt);	2900	assert (timermax >= timercnt);
2490	verify_heap (EV_A_ timers, timercnt);	2901	verify_heap (EV_A_ timers, timercnt);
2491		2902
2492	#if EV_PERIODIC_ENABLE	2903	#if EV_PERIODIC_ENABLE
…		…
2542	#if EV_MULTIPLICITY	2953	#if EV_MULTIPLICITY
2543	struct ev_loop * ecb_cold	2954	struct ev_loop * ecb_cold
2544	#else	2955	#else
2545	int	2956	int
2546	#endif	2957	#endif
2547	ev_default_loop (unsigned int flags)	2958	ev_default_loop (unsigned int flags) EV_THROW
2548	{	2959	{
2549	if (!ev_default_loop_ptr)	2960	if (!ev_default_loop_ptr)
2550	{	2961	{
2551	#if EV_MULTIPLICITY	2962	#if EV_MULTIPLICITY
2552	EV_P = ev_default_loop_ptr = &default_loop_struct;	2963	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2571		2982
2572	return ev_default_loop_ptr;	2983	return ev_default_loop_ptr;
2573	}	2984	}
2574		2985
2575	void	2986	void
2576	ev_loop_fork (EV_P)	2987	ev_loop_fork (EV_P) EV_THROW
2577	{	2988	{
2578	postfork = 1; /* must be in line with ev_default_fork */	2989	postfork = 1;
2579	}	2990	}
2580		2991
2581	/*****************************************************************************/	2992	/*****************************************************************************/
2582		2993
2583	void	2994	void
…		…
2585	{	2996	{
2586	EV_CB_INVOKE ((W)w, revents);	2997	EV_CB_INVOKE ((W)w, revents);
2587	}	2998	}
2588		2999
2589	unsigned int	3000	unsigned int
2590	ev_pending_count (EV_P)	3001	ev_pending_count (EV_P) EV_THROW
2591	{	3002	{
2592	int pri;	3003	int pri;
2593	unsigned int count = 0;	3004	unsigned int count = 0;
2594		3005
2595	for (pri = NUMPRI; pri--; )	3006	for (pri = NUMPRI; pri--; )
…		…
2599	}	3010	}
2600		3011
2601	void noinline	3012	void noinline
2602	ev_invoke_pending (EV_P)	3013	ev_invoke_pending (EV_P)
2603	{	3014	{
2604	int pri;	3015	pendingpri = NUMPRI;
2605		3016
2606	for (pri = NUMPRI; pri--; )	3017	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3018	{
		3019	--pendingpri;
		3020
2607	while (pendingcnt [pri])	3021	while (pendingcnt [pendingpri])
2608	{	3022	{
2609	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3023	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2610		3024
2611	p->w->pending = 0;	3025	p->w->pending = 0;
2612	EV_CB_INVOKE (p->w, p->events);	3026	EV_CB_INVOKE (p->w, p->events);
2613	EV_FREQUENT_CHECK;	3027	EV_FREQUENT_CHECK;
2614	}	3028	}
		3029	}
2615	}	3030	}
2616		3031
2617	#if EV_IDLE_ENABLE	3032	#if EV_IDLE_ENABLE
2618	/* make idle watchers pending. this handles the "call-idle */	3033	/* make idle watchers pending. this handles the "call-idle */
2619	/* only when higher priorities are idle" logic */	3034	/* only when higher priorities are idle" logic */
…		…
2709	{	3124	{
2710	EV_FREQUENT_CHECK;	3125	EV_FREQUENT_CHECK;
2711		3126
2712	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3127	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2713	{	3128	{
2714	int feed_count = 0;
2715
2716	do	3129	do
2717	{	3130	{
2718	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3131	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2719		3132
2720	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3133	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2854		3267
2855	mn_now = ev_rt_now;	3268	mn_now = ev_rt_now;
2856	}	3269	}
2857	}	3270	}
2858		3271
2859	void	3272	int
2860	ev_run (EV_P_ int flags)	3273	ev_run (EV_P_ int flags)
2861	{	3274	{
2862	#if EV_FEATURE_API	3275	#if EV_FEATURE_API
2863	++loop_depth;	3276	++loop_depth;
2864	#endif	3277	#endif
…		…
2977	#endif	3390	#endif
2978	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3391	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2979	backend_poll (EV_A_ waittime);	3392	backend_poll (EV_A_ waittime);
2980	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3393	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2981		3394
2982	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3395	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2983		3396
		3397	ECB_MEMORY_FENCE_ACQUIRE;
2984	if (pipe_write_skipped)	3398	if (pipe_write_skipped)
2985	{	3399	{
2986	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3400	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);	3401	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2988	}	3402	}
…		…
3021	loop_done = EVBREAK_CANCEL;	3435	loop_done = EVBREAK_CANCEL;
3022		3436
3023	#if EV_FEATURE_API	3437	#if EV_FEATURE_API
3024	--loop_depth;	3438	--loop_depth;
3025	#endif	3439	#endif
		3440
		3441	return activecnt;
3026	}	3442	}
3027		3443
3028	void	3444	void
3029	ev_break (EV_P_ int how)	3445	ev_break (EV_P_ int how) EV_THROW
3030	{	3446	{
3031	loop_done = how;	3447	loop_done = how;
3032	}	3448	}
3033		3449
3034	void	3450	void
3035	ev_ref (EV_P)	3451	ev_ref (EV_P) EV_THROW
3036	{	3452	{
3037	++activecnt;	3453	++activecnt;
3038	}	3454	}
3039		3455
3040	void	3456	void
3041	ev_unref (EV_P)	3457	ev_unref (EV_P) EV_THROW
3042	{	3458	{
3043	--activecnt;	3459	--activecnt;
3044	}	3460	}
3045		3461
3046	void	3462	void
3047	ev_now_update (EV_P)	3463	ev_now_update (EV_P) EV_THROW
3048	{	3464	{
3049	time_update (EV_A_ 1e100);	3465	time_update (EV_A_ 1e100);
3050	}	3466	}
3051		3467
3052	void	3468	void
3053	ev_suspend (EV_P)	3469	ev_suspend (EV_P) EV_THROW
3054	{	3470	{
3055	ev_now_update (EV_A);	3471	ev_now_update (EV_A);
3056	}	3472	}
3057		3473
3058	void	3474	void
3059	ev_resume (EV_P)	3475	ev_resume (EV_P) EV_THROW
3060	{	3476	{
3061	ev_tstamp mn_prev = mn_now;	3477	ev_tstamp mn_prev = mn_now;
3062		3478
3063	ev_now_update (EV_A);	3479	ev_now_update (EV_A);
3064	timers_reschedule (EV_A_ mn_now - mn_prev);	3480	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3103	w->pending = 0;	3519	w->pending = 0;
3104	}	3520	}
3105	}	3521	}
3106		3522
3107	int	3523	int
3108	ev_clear_pending (EV_P_ void *w)	3524	ev_clear_pending (EV_P_ void *w) EV_THROW
3109	{	3525	{
3110	W w_ = (W)w;	3526	W w_ = (W)w;
3111	int pending = w_->pending;	3527	int pending = w_->pending;
3112		3528
3113	if (expect_true (pending))	3529	if (expect_true (pending))
…		…
3146	}	3562	}
3147		3563
3148	/*****************************************************************************/	3564	/*****************************************************************************/
3149		3565
3150	void noinline	3566	void noinline
3151	ev_io_start (EV_P_ ev_io *w)	3567	ev_io_start (EV_P_ ev_io *w) EV_THROW
3152	{	3568	{
3153	int fd = w->fd;	3569	int fd = w->fd;
3154		3570
3155	if (expect_false (ev_is_active (w)))	3571	if (expect_false (ev_is_active (w)))
3156	return;	3572	return;
…		…
3162		3578
3163	ev_start (EV_A_ (W)w, 1);	3579	ev_start (EV_A_ (W)w, 1);
3164	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3580	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3165	wlist_add (&anfds[fd].head, (WL)w);	3581	wlist_add (&anfds[fd].head, (WL)w);
3166		3582
		3583	/* common bug, apparently */
		3584	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3585
3167	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3586	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3168	w->events &= ~EV__IOFDSET;	3587	w->events &= ~EV__IOFDSET;
3169		3588
3170	EV_FREQUENT_CHECK;	3589	EV_FREQUENT_CHECK;
3171	}	3590	}
3172		3591
3173	void noinline	3592	void noinline
3174	ev_io_stop (EV_P_ ev_io *w)	3593	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3175	{	3594	{
3176	clear_pending (EV_A_ (W)w);	3595	clear_pending (EV_A_ (W)w);
3177	if (expect_false (!ev_is_active (w)))	3596	if (expect_false (!ev_is_active (w)))
3178	return;	3597	return;
3179		3598
…		…
3188		3607
3189	EV_FREQUENT_CHECK;	3608	EV_FREQUENT_CHECK;
3190	}	3609	}
3191		3610
3192	void noinline	3611	void noinline
3193	ev_timer_start (EV_P_ ev_timer *w)	3612	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3194	{	3613	{
3195	if (expect_false (ev_is_active (w)))	3614	if (expect_false (ev_is_active (w)))
3196	return;	3615	return;
3197		3616
3198	ev_at (w) += mn_now;	3617	ev_at (w) += mn_now;
…		…
3212		3631
3213	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3632	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3214	}	3633	}
3215		3634
3216	void noinline	3635	void noinline
3217	ev_timer_stop (EV_P_ ev_timer *w)	3636	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3218	{	3637	{
3219	clear_pending (EV_A_ (W)w);	3638	clear_pending (EV_A_ (W)w);
3220	if (expect_false (!ev_is_active (w)))	3639	if (expect_false (!ev_is_active (w)))
3221	return;	3640	return;
3222		3641
…		…
3242		3661
3243	EV_FREQUENT_CHECK;	3662	EV_FREQUENT_CHECK;
3244	}	3663	}
3245		3664
3246	void noinline	3665	void noinline
3247	ev_timer_again (EV_P_ ev_timer *w)	3666	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3248	{	3667	{
3249	EV_FREQUENT_CHECK;	3668	EV_FREQUENT_CHECK;
		3669
		3670	clear_pending (EV_A_ (W)w);
3250		3671
3251	if (ev_is_active (w))	3672	if (ev_is_active (w))
3252	{	3673	{
3253	if (w->repeat)	3674	if (w->repeat)
3254	{	3675	{
…		…
3267		3688
3268	EV_FREQUENT_CHECK;	3689	EV_FREQUENT_CHECK;
3269	}	3690	}
3270		3691
3271	ev_tstamp	3692	ev_tstamp
3272	ev_timer_remaining (EV_P_ ev_timer *w)	3693	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3273	{	3694	{
3274	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3695	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3275	}	3696	}
3276		3697
3277	#if EV_PERIODIC_ENABLE	3698	#if EV_PERIODIC_ENABLE
3278	void noinline	3699	void noinline
3279	ev_periodic_start (EV_P_ ev_periodic *w)	3700	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3280	{	3701	{
3281	if (expect_false (ev_is_active (w)))	3702	if (expect_false (ev_is_active (w)))
3282	return;	3703	return;
3283		3704
3284	if (w->reschedule_cb)	3705	if (w->reschedule_cb)
…		…
3304		3725
3305	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3726	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3306	}	3727	}
3307		3728
3308	void noinline	3729	void noinline
3309	ev_periodic_stop (EV_P_ ev_periodic *w)	3730	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3310	{	3731	{
3311	clear_pending (EV_A_ (W)w);	3732	clear_pending (EV_A_ (W)w);
3312	if (expect_false (!ev_is_active (w)))	3733	if (expect_false (!ev_is_active (w)))
3313	return;	3734	return;
3314		3735
…		…
3332		3753
3333	EV_FREQUENT_CHECK;	3754	EV_FREQUENT_CHECK;
3334	}	3755	}
3335		3756
3336	void noinline	3757	void noinline
3337	ev_periodic_again (EV_P_ ev_periodic *w)	3758	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3338	{	3759	{
3339	/* TODO: use adjustheap and recalculation */	3760	/* TODO: use adjustheap and recalculation */
3340	ev_periodic_stop (EV_A_ w);	3761	ev_periodic_stop (EV_A_ w);
3341	ev_periodic_start (EV_A_ w);	3762	ev_periodic_start (EV_A_ w);
3342	}	3763	}
…		…
3347	#endif	3768	#endif
3348		3769
3349	#if EV_SIGNAL_ENABLE	3770	#if EV_SIGNAL_ENABLE
3350		3771
3351	void noinline	3772	void noinline
3352	ev_signal_start (EV_P_ ev_signal *w)	3773	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3353	{	3774	{
3354	if (expect_false (ev_is_active (w)))	3775	if (expect_false (ev_is_active (w)))
3355	return;	3776	return;
3356		3777
3357	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3778	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3359	#if EV_MULTIPLICITY	3780	#if EV_MULTIPLICITY
3360	assert (("libev: a signal must not be attached to two different loops",	3781	assert (("libev: a signal must not be attached to two different loops",
3361	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3782	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3362		3783
3363	signals [w->signum - 1].loop = EV_A;	3784	signals [w->signum - 1].loop = EV_A;
		3785	ECB_MEMORY_FENCE_RELEASE;
3364	#endif	3786	#endif
3365		3787
3366	EV_FREQUENT_CHECK;	3788	EV_FREQUENT_CHECK;
3367		3789
3368	#if EV_USE_SIGNALFD	3790	#if EV_USE_SIGNALFD
…		…
3428		3850
3429	EV_FREQUENT_CHECK;	3851	EV_FREQUENT_CHECK;
3430	}	3852	}
3431		3853
3432	void noinline	3854	void noinline
3433	ev_signal_stop (EV_P_ ev_signal *w)	3855	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3434	{	3856	{
3435	clear_pending (EV_A_ (W)w);	3857	clear_pending (EV_A_ (W)w);
3436	if (expect_false (!ev_is_active (w)))	3858	if (expect_false (!ev_is_active (w)))
3437	return;	3859	return;
3438		3860
…		…
3469	#endif	3891	#endif
3470		3892
3471	#if EV_CHILD_ENABLE	3893	#if EV_CHILD_ENABLE
3472		3894
3473	void	3895	void
3474	ev_child_start (EV_P_ ev_child *w)	3896	ev_child_start (EV_P_ ev_child *w) EV_THROW
3475	{	3897	{
3476	#if EV_MULTIPLICITY	3898	#if EV_MULTIPLICITY
3477	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3899	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3478	#endif	3900	#endif
3479	if (expect_false (ev_is_active (w)))	3901	if (expect_false (ev_is_active (w)))
…		…
3486		3908
3487	EV_FREQUENT_CHECK;	3909	EV_FREQUENT_CHECK;
3488	}	3910	}
3489		3911
3490	void	3912	void
3491	ev_child_stop (EV_P_ ev_child *w)	3913	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3492	{	3914	{
3493	clear_pending (EV_A_ (W)w);	3915	clear_pending (EV_A_ (W)w);
3494	if (expect_false (!ev_is_active (w)))	3916	if (expect_false (!ev_is_active (w)))
3495	return;	3917	return;
3496		3918
…		…
3523	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3945	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3524		3946
3525	static void noinline	3947	static void noinline
3526	infy_add (EV_P_ ev_stat *w)	3948	infy_add (EV_P_ ev_stat *w)
3527	{	3949	{
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);	3950	w->wd = inotify_add_watch (fs_fd, w->path,
		3951	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3952	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3953	| IN_DONT_FOLLOW | IN_MASK_ADD);
3529		3954
3530	if (w->wd >= 0)	3955	if (w->wd >= 0)
3531	{	3956	{
3532	struct statfs sfs;	3957	struct statfs sfs;
3533		3958
…		…
3537		3962
3538	if (!fs_2625)	3963	if (!fs_2625)
3539	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3964	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3540	else if (!statfs (w->path, &sfs)	3965	else if (!statfs (w->path, &sfs)
3541	&& (sfs.f_type == 0x1373 /* devfs */	3966	&& (sfs.f_type == 0x1373 /* devfs */
		3967	|| sfs.f_type == 0x4006 /* fat */
		3968	|| sfs.f_type == 0x4d44 /* msdos */
3542	|| sfs.f_type == 0xEF53 /* ext2/3 */	3969	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3970	|| sfs.f_type == 0x72b6 /* jffs2 */
		3971	|| sfs.f_type == 0x858458f6 /* ramfs */
		3972	|| sfs.f_type == 0x5346544e /* ntfs */
3543	|| sfs.f_type == 0x3153464a /* jfs */	3973	|| sfs.f_type == 0x3153464a /* jfs */
		3974	|| sfs.f_type == 0x9123683e /* btrfs */
3544	|| sfs.f_type == 0x52654973 /* reiser3 */	3975	|| sfs.f_type == 0x52654973 /* reiser3 */
3545	|| sfs.f_type == 0x01021994 /* tempfs */	3976	|| sfs.f_type == 0x01021994 /* tmpfs */
3546	|| sfs.f_type == 0x58465342 /* xfs */))	3977	|| sfs.f_type == 0x58465342 /* xfs */))
3547	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3978	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3548	else	3979	else
3549	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3980	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3550	}	3981	}
…		…
3663	}	4094	}
3664		4095
3665	inline_size int	4096	inline_size int
3666	infy_newfd (void)	4097	infy_newfd (void)
3667	{	4098	{
3668	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4099	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3669	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4100	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3670	if (fd >= 0)	4101	if (fd >= 0)
3671	return fd;	4102	return fd;
3672	#endif	4103	#endif
3673	return inotify_init ();	4104	return inotify_init ();
…		…
3748	#else	4179	#else
3749	# define EV_LSTAT(p,b) lstat (p, b)	4180	# define EV_LSTAT(p,b) lstat (p, b)
3750	#endif	4181	#endif
3751		4182
3752	void	4183	void
3753	ev_stat_stat (EV_P_ ev_stat *w)	4184	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3754	{	4185	{
3755	if (lstat (w->path, &w->attr) < 0)	4186	if (lstat (w->path, &w->attr) < 0)
3756	w->attr.st_nlink = 0;	4187	w->attr.st_nlink = 0;
3757	else if (!w->attr.st_nlink)	4188	else if (!w->attr.st_nlink)
3758	w->attr.st_nlink = 1;	4189	w->attr.st_nlink = 1;
…		…
3797	ev_feed_event (EV_A_ w, EV_STAT);	4228	ev_feed_event (EV_A_ w, EV_STAT);
3798	}	4229	}
3799	}	4230	}
3800		4231
3801	void	4232	void
3802	ev_stat_start (EV_P_ ev_stat *w)	4233	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3803	{	4234	{
3804	if (expect_false (ev_is_active (w)))	4235	if (expect_false (ev_is_active (w)))
3805	return;	4236	return;
3806		4237
3807	ev_stat_stat (EV_A_ w);	4238	ev_stat_stat (EV_A_ w);
…		…
3828		4259
3829	EV_FREQUENT_CHECK;	4260	EV_FREQUENT_CHECK;
3830	}	4261	}
3831		4262
3832	void	4263	void
3833	ev_stat_stop (EV_P_ ev_stat *w)	4264	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3834	{	4265	{
3835	clear_pending (EV_A_ (W)w);	4266	clear_pending (EV_A_ (W)w);
3836	if (expect_false (!ev_is_active (w)))	4267	if (expect_false (!ev_is_active (w)))
3837	return;	4268	return;
3838		4269
…		…
3854	}	4285	}
3855	#endif	4286	#endif
3856		4287
3857	#if EV_IDLE_ENABLE	4288	#if EV_IDLE_ENABLE
3858	void	4289	void
3859	ev_idle_start (EV_P_ ev_idle *w)	4290	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3860	{	4291	{
3861	if (expect_false (ev_is_active (w)))	4292	if (expect_false (ev_is_active (w)))
3862	return;	4293	return;
3863		4294
3864	pri_adjust (EV_A_ (W)w);	4295	pri_adjust (EV_A_ (W)w);
…		…
3877		4308
3878	EV_FREQUENT_CHECK;	4309	EV_FREQUENT_CHECK;
3879	}	4310	}
3880		4311
3881	void	4312	void
3882	ev_idle_stop (EV_P_ ev_idle *w)	4313	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3883	{	4314	{
3884	clear_pending (EV_A_ (W)w);	4315	clear_pending (EV_A_ (W)w);
3885	if (expect_false (!ev_is_active (w)))	4316	if (expect_false (!ev_is_active (w)))
3886	return;	4317	return;
3887		4318
…		…
3901	}	4332	}
3902	#endif	4333	#endif
3903		4334
3904	#if EV_PREPARE_ENABLE	4335	#if EV_PREPARE_ENABLE
3905	void	4336	void
3906	ev_prepare_start (EV_P_ ev_prepare *w)	4337	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3907	{	4338	{
3908	if (expect_false (ev_is_active (w)))	4339	if (expect_false (ev_is_active (w)))
3909	return;	4340	return;
3910		4341
3911	EV_FREQUENT_CHECK;	4342	EV_FREQUENT_CHECK;
…		…
3916		4347
3917	EV_FREQUENT_CHECK;	4348	EV_FREQUENT_CHECK;
3918	}	4349	}
3919		4350
3920	void	4351	void
3921	ev_prepare_stop (EV_P_ ev_prepare *w)	4352	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3922	{	4353	{
3923	clear_pending (EV_A_ (W)w);	4354	clear_pending (EV_A_ (W)w);
3924	if (expect_false (!ev_is_active (w)))	4355	if (expect_false (!ev_is_active (w)))
3925	return;	4356	return;
3926		4357
…		…
3939	}	4370	}
3940	#endif	4371	#endif
3941		4372
3942	#if EV_CHECK_ENABLE	4373	#if EV_CHECK_ENABLE
3943	void	4374	void
3944	ev_check_start (EV_P_ ev_check *w)	4375	ev_check_start (EV_P_ ev_check *w) EV_THROW
3945	{	4376	{
3946	if (expect_false (ev_is_active (w)))	4377	if (expect_false (ev_is_active (w)))
3947	return;	4378	return;
3948		4379
3949	EV_FREQUENT_CHECK;	4380	EV_FREQUENT_CHECK;
…		…
3954		4385
3955	EV_FREQUENT_CHECK;	4386	EV_FREQUENT_CHECK;
3956	}	4387	}
3957		4388
3958	void	4389	void
3959	ev_check_stop (EV_P_ ev_check *w)	4390	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3960	{	4391	{
3961	clear_pending (EV_A_ (W)w);	4392	clear_pending (EV_A_ (W)w);
3962	if (expect_false (!ev_is_active (w)))	4393	if (expect_false (!ev_is_active (w)))
3963	return;	4394	return;
3964		4395
…		…
3977	}	4408	}
3978	#endif	4409	#endif
3979		4410
3980	#if EV_EMBED_ENABLE	4411	#if EV_EMBED_ENABLE
3981	void noinline	4412	void noinline
3982	ev_embed_sweep (EV_P_ ev_embed *w)	4413	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3983	{	4414	{
3984	ev_run (w->other, EVRUN_NOWAIT);	4415	ev_run (w->other, EVRUN_NOWAIT);
3985	}	4416	}
3986		4417
3987	static void	4418	static void
…		…
4035	ev_idle_stop (EV_A_ idle);	4466	ev_idle_stop (EV_A_ idle);
4036	}	4467	}
4037	#endif	4468	#endif
4038		4469
4039	void	4470	void
4040	ev_embed_start (EV_P_ ev_embed *w)	4471	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4041	{	4472	{
4042	if (expect_false (ev_is_active (w)))	4473	if (expect_false (ev_is_active (w)))
4043	return;	4474	return;
4044		4475
4045	{	4476	{
…		…
4066		4497
4067	EV_FREQUENT_CHECK;	4498	EV_FREQUENT_CHECK;
4068	}	4499	}
4069		4500
4070	void	4501	void
4071	ev_embed_stop (EV_P_ ev_embed *w)	4502	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4072	{	4503	{
4073	clear_pending (EV_A_ (W)w);	4504	clear_pending (EV_A_ (W)w);
4074	if (expect_false (!ev_is_active (w)))	4505	if (expect_false (!ev_is_active (w)))
4075	return;	4506	return;
4076		4507
…		…
4086	}	4517	}
4087	#endif	4518	#endif
4088		4519
4089	#if EV_FORK_ENABLE	4520	#if EV_FORK_ENABLE
4090	void	4521	void
4091	ev_fork_start (EV_P_ ev_fork *w)	4522	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4092	{	4523	{
4093	if (expect_false (ev_is_active (w)))	4524	if (expect_false (ev_is_active (w)))
4094	return;	4525	return;
4095		4526
4096	EV_FREQUENT_CHECK;	4527	EV_FREQUENT_CHECK;
…		…
4101		4532
4102	EV_FREQUENT_CHECK;	4533	EV_FREQUENT_CHECK;
4103	}	4534	}
4104		4535
4105	void	4536	void
4106	ev_fork_stop (EV_P_ ev_fork *w)	4537	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4107	{	4538	{
4108	clear_pending (EV_A_ (W)w);	4539	clear_pending (EV_A_ (W)w);
4109	if (expect_false (!ev_is_active (w)))	4540	if (expect_false (!ev_is_active (w)))
4110	return;	4541	return;
4111		4542
…		…
4124	}	4555	}
4125	#endif	4556	#endif
4126		4557
4127	#if EV_CLEANUP_ENABLE	4558	#if EV_CLEANUP_ENABLE
4128	void	4559	void
4129	ev_cleanup_start (EV_P_ ev_cleanup *w)	4560	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4130	{	4561	{
4131	if (expect_false (ev_is_active (w)))	4562	if (expect_false (ev_is_active (w)))
4132	return;	4563	return;
4133		4564
4134	EV_FREQUENT_CHECK;	4565	EV_FREQUENT_CHECK;
…		…
4141	ev_unref (EV_A);	4572	ev_unref (EV_A);
4142	EV_FREQUENT_CHECK;	4573	EV_FREQUENT_CHECK;
4143	}	4574	}
4144		4575
4145	void	4576	void
4146	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4577	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4147	{	4578	{
4148	clear_pending (EV_A_ (W)w);	4579	clear_pending (EV_A_ (W)w);
4149	if (expect_false (!ev_is_active (w)))	4580	if (expect_false (!ev_is_active (w)))
4150	return;	4581	return;
4151		4582
…		…
4165	}	4596	}
4166	#endif	4597	#endif
4167		4598
4168	#if EV_ASYNC_ENABLE	4599	#if EV_ASYNC_ENABLE
4169	void	4600	void
4170	ev_async_start (EV_P_ ev_async *w)	4601	ev_async_start (EV_P_ ev_async *w) EV_THROW
4171	{	4602	{
4172	if (expect_false (ev_is_active (w)))	4603	if (expect_false (ev_is_active (w)))
4173	return;	4604	return;
4174		4605
4175	w->sent = 0;	4606	w->sent = 0;
…		…
4184		4615
4185	EV_FREQUENT_CHECK;	4616	EV_FREQUENT_CHECK;
4186	}	4617	}
4187		4618
4188	void	4619	void
4189	ev_async_stop (EV_P_ ev_async *w)	4620	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4190	{	4621	{
4191	clear_pending (EV_A_ (W)w);	4622	clear_pending (EV_A_ (W)w);
4192	if (expect_false (!ev_is_active (w)))	4623	if (expect_false (!ev_is_active (w)))
4193	return;	4624	return;
4194		4625
…		…
4205		4636
4206	EV_FREQUENT_CHECK;	4637	EV_FREQUENT_CHECK;
4207	}	4638	}
4208		4639
4209	void	4640	void
4210	ev_async_send (EV_P_ ev_async *w)	4641	ev_async_send (EV_P_ ev_async *w) EV_THROW
4211	{	4642	{
4212	w->sent = 1;	4643	w->sent = 1;
4213	evpipe_write (EV_A_ &async_pending);	4644	evpipe_write (EV_A_ &async_pending);
4214	}	4645	}
4215	#endif	4646	#endif
…		…
4252		4683
4253	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4684	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4254	}	4685	}
4255		4686
4256	void	4687	void
4257	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4688	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4258	{	4689	{
4259	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4690	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4260		4691
4261	if (expect_false (!once))	4692	if (expect_false (!once))
4262	{	4693	{
…		…
4284		4715
4285	/*****************************************************************************/	4716	/*****************************************************************************/
4286		4717
4287	#if EV_WALK_ENABLE	4718	#if EV_WALK_ENABLE
4288	void ecb_cold	4719	void ecb_cold
4289	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4720	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4290	{	4721	{
4291	int i, j;	4722	int i, j;
4292	ev_watcher_list *wl, *wn;	4723	ev_watcher_list *wl, *wn;
4293		4724
4294	if (types & (EV_IO | EV_EMBED))	4725	if (types & (EV_IO | EV_EMBED))
…		…
4400		4831
4401	#if EV_MULTIPLICITY	4832	#if EV_MULTIPLICITY
4402	#include "ev_wrap.h"	4833	#include "ev_wrap.h"
4403	#endif	4834	#endif
4404		4835
4405	EV_CPP(})
4406

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