ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.392 by root, Thu Aug 4 14:37:49 2011 UTC vs.
Revision 1.460 by root, Tue Oct 29 12:53:38 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
245		252
246	#ifndef EV_USE_CLOCK_SYSCALL	253	#ifndef EV_USE_CLOCK_SYSCALL
247	# if __linux && __GLIBC__ >= 2	254	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
248	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	255	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
249	# else	256	# else
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	#define ECB_MEMORY_FENCE_ACQUIRE do { } while (0)
544	#define ECB_MEMORY_FENCE_RELEASE do { } while (0)
545	#endif	602	#endif
546		603
547	#ifndef ECB_MEMORY_FENCE	604	#ifndef ECB_MEMORY_FENCE
548	#if ECB_GCC_VERSION(2,5)	605	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
549	#if __x86	606	#if __i386 || __i386__
550	#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")
551	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
552	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553	#elif __amd64	610	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
555	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	612	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
556	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	613	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
557	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	614	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
558	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
559	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	616	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
560	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) \	617	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
561	|| defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	619	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
562	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	620	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
563	#define ECB_MEMORY_FENCE \	621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
564	do { \	622	#elif __sparc || __sparc__
565	int null = 0; \	623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
566	__asm__ __volatile__ ("mcr p15,0,%0,c6,c10,5", : "=&r" (null) : : "memory"); \	624	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
567	while (0)	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")
568	#endif	645	#endif
569	#endif	646	#endif
570	#endif	647	#endif
571		648
572	#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
573	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)	663	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
574	#define ECB_MEMORY_FENCE __sync_synchronize ()	664	#define ECB_MEMORY_FENCE __sync_synchronize ()
575	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
576	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
577	#elif _MSC_VER >= 1400 /* VC++ 2005 */	665	#elif _MSC_VER >= 1400 /* VC++ 2005 */
578	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	666	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
579	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	667	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
580	#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 */
581	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	669	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
582	#elif defined(_WIN32)	670	#elif defined _WIN32
583	#include <WinNT.h>	671	#include <WinNT.h>
584	#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)
585	#endif	695	#endif
586	#endif	696	#endif
587		697
588	#ifndef ECB_MEMORY_FENCE	698	#ifndef ECB_MEMORY_FENCE
589	#if !ECB_AVOID_PTHREADS	699	#if !ECB_AVOID_PTHREADS
…		…
601	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	711	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
602	#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)
603	#endif	713	#endif
604	#endif	714	#endif
605		715
606	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	716	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
607	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	717	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
608	#endif	718	#endif
609		719
610	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	720	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
611	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	721	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
612	#endif	722	#endif
613		723
614	/*****************************************************************************/	724	/*****************************************************************************/
615
616	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
617		725
618	#if __cplusplus	726	#if __cplusplus
619	#define ecb_inline static inline	727	#define ecb_inline static inline
620	#elif ECB_GCC_VERSION(2,5)	728	#elif ECB_GCC_VERSION(2,5)
621	#define ecb_inline static __inline__	729	#define ecb_inline static __inline__
…		…
660	#elif ECB_GCC_VERSION(3,0)	768	#elif ECB_GCC_VERSION(3,0)
661	#define ecb_decltype(x) __typeof(x)	769	#define ecb_decltype(x) __typeof(x)
662	#endif	770	#endif
663		771
664	#define ecb_noinline ecb_attribute ((__noinline__))	772	#define ecb_noinline ecb_attribute ((__noinline__))
665	#define ecb_noreturn ecb_attribute ((__noreturn__))
666	#define ecb_unused ecb_attribute ((__unused__))	773	#define ecb_unused ecb_attribute ((__unused__))
667	#define ecb_const ecb_attribute ((__const__))	774	#define ecb_const ecb_attribute ((__const__))
668	#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
669		782
670	#if ECB_GCC_VERSION(4,3)	783	#if ECB_GCC_VERSION(4,3)
671	#define ecb_artificial ecb_attribute ((__artificial__))	784	#define ecb_artificial ecb_attribute ((__artificial__))
672	#define ecb_hot ecb_attribute ((__hot__))	785	#define ecb_hot ecb_attribute ((__hot__))
673	#define ecb_cold ecb_attribute ((__cold__))	786	#define ecb_cold ecb_attribute ((__cold__))
…		…
764		877
765	return r + ecb_ld32 (x);	878	return r + ecb_ld32 (x);
766	}	879	}
767	#endif	880	#endif
768		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
769	/* popcount64 is only available on 64 bit cpus as gcc builtin */	917	/* popcount64 is only available on 64 bit cpus as gcc builtin */
770	/* so for this version we are lazy */	918	/* so for this version we are lazy */
771	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	919	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
772	ecb_function_ int	920	ecb_function_ int
773	ecb_popcount64 (uint64_t x)	921	ecb_popcount64 (uint64_t x)
…		…
822		970
823	#if ECB_GCC_VERSION(4,5)	971	#if ECB_GCC_VERSION(4,5)
824	#define ecb_unreachable() __builtin_unreachable ()	972	#define ecb_unreachable() __builtin_unreachable ()
825	#else	973	#else
826	/* 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 :/ */
827	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	975	ecb_inline void ecb_unreachable (void) ecb_noreturn;
828	ecb_function_ void ecb_unreachable (void) { }	976	ecb_inline void ecb_unreachable (void) { }
829	#endif	977	#endif
830		978
831	/* try to tell the compiler that some condition is definitely true */	979	/* try to tell the compiler that some condition is definitely true */
832	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	980	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
833		981
834	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	982	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
835	ecb_function_ unsigned char	983	ecb_inline unsigned char
836	ecb_byteorder_helper (void)	984	ecb_byteorder_helper (void)
837	{	985	{
838	const uint32_t u = 0x11223344;	986	/* the union code still generates code under pressure in gcc, */
839	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
840	}	1006	}
841		1007
842	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1008	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
843	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; }
844	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1010	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
845	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; }
846		1012
847	#if ECB_GCC_VERSION(3,0) || ECB_C99	1013	#if ECB_GCC_VERSION(3,0) || ECB_C99
848	#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))
849	#else	1015	#else
850	#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))
851	#endif	1033	#endif
852		1034
853	#if ecb_cplusplus_does_not_suck	1035	#if ecb_cplusplus_does_not_suck
854	/* 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) */
855	template<typename T, int N>	1037	template<typename T, int N>
…		…
859	}	1041	}
860	#else	1042	#else
861	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1043	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
862	#endif	1044	#endif
863		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
864	#endif	1240	#endif
865		1241
866	/* ECB.H END */	1242	/* ECB.H END */
867		1243
868	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1244	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1245	/* if your architecture doesn't need memory fences, e.g. because it is
		1246	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1247	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1248	* libev, in which cases the memory fences become nops.
		1249	* alternatively, you can remove this #error and link against libpthread,
		1250	* which will then provide the memory fences.
		1251	*/
		1252	# error "memory fences not defined for your architecture, please report"
		1253	#endif
		1254
869	# undef ECB_MEMORY_FENCE	1255	#ifndef ECB_MEMORY_FENCE
870	# undef ECB_MEMORY_FENCE_ACQUIRE	1256	# define ECB_MEMORY_FENCE do { } while (0)
871	# undef ECB_MEMORY_FENCE_RELEASE	1257	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1258	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
872	#endif	1259	#endif
873		1260
874	#define expect_false(cond) ecb_expect_false (cond)	1261	#define expect_false(cond) ecb_expect_false (cond)
875	#define expect_true(cond) ecb_expect_true (cond)	1262	#define expect_true(cond) ecb_expect_true (cond)
876	#define noinline ecb_noinline	1263	#define noinline ecb_noinline
…		…
1023	{	1410	{
1024	write (STDERR_FILENO, msg, strlen (msg));	1411	write (STDERR_FILENO, msg, strlen (msg));
1025	}	1412	}
1026	#endif	1413	#endif
1027		1414
1028	static void (*syserr_cb)(const char *msg);	1415	static void (*syserr_cb)(const char *msg) EV_THROW;
1029		1416
1030	void ecb_cold	1417	void ecb_cold
1031	ev_set_syserr_cb (void (*cb)(const char *msg))	1418	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1032	{	1419	{
1033	syserr_cb = cb;	1420	syserr_cb = cb;
1034	}	1421	}
1035		1422
1036	static void noinline ecb_cold	1423	static void noinline ecb_cold
…		…
1054	abort ();	1441	abort ();
1055	}	1442	}
1056	}	1443	}
1057		1444
1058	static void *	1445	static void *
1059	ev_realloc_emul (void *ptr, long size)	1446	ev_realloc_emul (void *ptr, long size) EV_THROW
1060	{	1447	{
1061	#if __GLIBC__
1062	return realloc (ptr, size);
1063	#else
1064	/* some systems, notably openbsd and darwin, fail to properly	1448	/* some systems, notably openbsd and darwin, fail to properly
1065	* 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
1066	* 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.
1067	*/	1453	*/
1068		1454
1069	if (size)	1455	if (size)
1070	return realloc (ptr, size);	1456	return realloc (ptr, size);
1071		1457
1072	free (ptr);	1458	free (ptr);
1073	return 0;	1459	return 0;
1074	#endif
1075	}	1460	}
1076		1461
1077	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1462	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1078		1463
1079	void ecb_cold	1464	void ecb_cold
1080	ev_set_allocator (void *(*cb)(void *ptr, long size))	1465	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1081	{	1466	{
1082	alloc = cb;	1467	alloc = cb;
1083	}	1468	}
1084		1469
1085	inline_speed void *	1470	inline_speed void *
…		…
1173	#undef VAR	1558	#undef VAR
1174	};	1559	};
1175	#include "ev_wrap.h"	1560	#include "ev_wrap.h"
1176		1561
1177	static struct ev_loop default_loop_struct;	1562	static struct ev_loop default_loop_struct;
1178	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 */
1179		1564
1180	#else	1565	#else
1181		1566
1182	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 */
1183	#define VAR(name,decl) static decl;	1568	#define VAR(name,decl) static decl;
1184	#include "ev_vars.h"	1569	#include "ev_vars.h"
1185	#undef VAR	1570	#undef VAR
1186		1571
1187	static int ev_default_loop_ptr;	1572	static int ev_default_loop_ptr;
…		…
1202		1587
1203	/*****************************************************************************/	1588	/*****************************************************************************/
1204		1589
1205	#ifndef EV_HAVE_EV_TIME	1590	#ifndef EV_HAVE_EV_TIME
1206	ev_tstamp	1591	ev_tstamp
1207	ev_time (void)	1592	ev_time (void) EV_THROW
1208	{	1593	{
1209	#if EV_USE_REALTIME	1594	#if EV_USE_REALTIME
1210	if (expect_true (have_realtime))	1595	if (expect_true (have_realtime))
1211	{	1596	{
1212	struct timespec ts;	1597	struct timespec ts;
…		…
1236	return ev_time ();	1621	return ev_time ();
1237	}	1622	}
1238		1623
1239	#if EV_MULTIPLICITY	1624	#if EV_MULTIPLICITY
1240	ev_tstamp	1625	ev_tstamp
1241	ev_now (EV_P)	1626	ev_now (EV_P) EV_THROW
1242	{	1627	{
1243	return ev_rt_now;	1628	return ev_rt_now;
1244	}	1629	}
1245	#endif	1630	#endif
1246		1631
1247	void	1632	void
1248	ev_sleep (ev_tstamp delay)	1633	ev_sleep (ev_tstamp delay) EV_THROW
1249	{	1634	{
1250	if (delay > 0.)	1635	if (delay > 0.)
1251	{	1636	{
1252	#if EV_USE_NANOSLEEP	1637	#if EV_USE_NANOSLEEP
1253	struct timespec ts;	1638	struct timespec ts;
1254		1639
1255	EV_TS_SET (ts, delay);	1640	EV_TS_SET (ts, delay);
1256	nanosleep (&ts, 0);	1641	nanosleep (&ts, 0);
1257	#elif defined(_WIN32)	1642	#elif defined _WIN32
1258	Sleep ((unsigned long)(delay * 1e3));	1643	Sleep ((unsigned long)(delay * 1e3));
1259	#else	1644	#else
1260	struct timeval tv;	1645	struct timeval tv;
1261		1646
1262	/* 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 */
…		…
1281		1666
1282	do	1667	do
1283	ncur <<= 1;	1668	ncur <<= 1;
1284	while (cnt > ncur);	1669	while (cnt > ncur);
1285		1670
1286	/* 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 */
1287	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1672	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1288	{	1673	{
1289	ncur *= elem;	1674	ncur *= elem;
1290	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);
1291	ncur = ncur - sizeof (void *) * 4;	1676	ncur = ncur - sizeof (void *) * 4;
…		…
1334	pendingcb (EV_P_ ev_prepare *w, int revents)	1719	pendingcb (EV_P_ ev_prepare *w, int revents)
1335	{	1720	{
1336	}	1721	}
1337		1722
1338	void noinline	1723	void noinline
1339	ev_feed_event (EV_P_ void *w, int revents)	1724	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1340	{	1725	{
1341	W w_ = (W)w;	1726	W w_ = (W)w;
1342	int pri = ABSPRI (w_);	1727	int pri = ABSPRI (w_);
1343		1728
1344	if (expect_false (w_->pending))	1729	if (expect_false (w_->pending))
…		…
1348	w_->pending = ++pendingcnt [pri];	1733	w_->pending = ++pendingcnt [pri];
1349	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1734	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1350	pendings [pri][w_->pending - 1].w = w_;	1735	pendings [pri][w_->pending - 1].w = w_;
1351	pendings [pri][w_->pending - 1].events = revents;	1736	pendings [pri][w_->pending - 1].events = revents;
1352	}	1737	}
		1738
		1739	pendingpri = NUMPRI - 1;
1353	}	1740	}
1354		1741
1355	inline_speed void	1742	inline_speed void
1356	feed_reverse (EV_P_ W w)	1743	feed_reverse (EV_P_ W w)
1357	{	1744	{
…		…
1403	if (expect_true (!anfd->reify))	1790	if (expect_true (!anfd->reify))
1404	fd_event_nocheck (EV_A_ fd, revents);	1791	fd_event_nocheck (EV_A_ fd, revents);
1405	}	1792	}
1406		1793
1407	void	1794	void
1408	ev_feed_fd_event (EV_P_ int fd, int revents)	1795	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1409	{	1796	{
1410	if (fd >= 0 && fd < anfdmax)	1797	if (fd >= 0 && fd < anfdmax)
1411	fd_event_nocheck (EV_A_ fd, revents);	1798	fd_event_nocheck (EV_A_ fd, revents);
1412	}	1799	}
1413		1800
…		…
1732	static void noinline ecb_cold	2119	static void noinline ecb_cold
1733	evpipe_init (EV_P)	2120	evpipe_init (EV_P)
1734	{	2121	{
1735	if (!ev_is_active (&pipe_w))	2122	if (!ev_is_active (&pipe_w))
1736	{	2123	{
		2124	int fds [2];
		2125
1737	# if EV_USE_EVENTFD	2126	# if EV_USE_EVENTFD
		2127	fds [0] = -1;
1738	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2128	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1739	if (evfd < 0 && errno == EINVAL)	2129	if (fds [1] < 0 && errno == EINVAL)
1740	evfd = eventfd (0, 0);	2130	fds [1] = eventfd (0, 0);
1741		2131
1742	if (evfd >= 0)	2132	if (fds [1] < 0)
		2133	# endif
1743	{	2134	{
		2135	while (pipe (fds))
		2136	ev_syserr ("(libev) error creating signal/async pipe");
		2137
		2138	fd_intern (fds [0]);
		2139	}
		2140
1744	evpipe [0] = -1;	2141	evpipe [0] = fds [0];
1745	fd_intern (evfd); /* doing it twice doesn't hurt */	2142
1746	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));
1747	}	2193	}
1748	else	2194	else
1749	# endif	2195	#endif
1750	{	2196	{
1751	while (pipe (evpipe))	2197	#ifdef _WIN32
1752	ev_syserr ("(libev) error creating signal/async pipe");	2198	WSABUF buf;
1753		2199	DWORD sent;
1754	fd_intern (evpipe [0]);	2200	buf.buf = &buf;
1755	fd_intern (evpipe [1]);	2201	buf.len = 1;
1756	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2202	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1757	}	2203	#else
1758
1759	ev_io_start (EV_A_ &pipe_w);
1760	ev_unref (EV_A); /* watcher should not keep loop alive */
1761	}
1762	}
1763
1764	inline_speed void
1765	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1766	{
1767	if (expect_true (*flag))
1768	return;
1769
1770	*flag = 1;
1771
1772	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1773
1774	pipe_write_skipped = 1;
1775
1776	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1777
1778	if (pipe_write_wanted)
1779	{
1780	int old_errno;
1781
1782	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1783
1784	old_errno = errno; /* save errno because write will clobber it */
1785
1786	#if EV_USE_EVENTFD
1787	if (evfd >= 0)
1788	{
1789	uint64_t counter = 1;
1790	write (evfd, &counter, sizeof (uint64_t));
1791	}
1792	else
1793	#endif
1794	{
1795	/* win32 people keep sending patches that change this write() to send() */
1796	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1797	/* so when you think this write should be a send instead, please find out */
1798	/* where your send() is from - it's definitely not the microsoft send, and */
1799	/* tell me. thank you. */
1800	write (evpipe [1], &(evpipe [1]), 1);	2204	write (evpipe [1], &(evpipe [1]), 1);
		2205	#endif
1801	}	2206	}
1802		2207
1803	errno = old_errno;	2208	errno = old_errno;
1804	}	2209	}
1805	}	2210	}
…		…
1812	int i;	2217	int i;
1813		2218
1814	if (revents & EV_READ)	2219	if (revents & EV_READ)
1815	{	2220	{
1816	#if EV_USE_EVENTFD	2221	#if EV_USE_EVENTFD
1817	if (evfd >= 0)	2222	if (evpipe [0] < 0)
1818	{	2223	{
1819	uint64_t counter;	2224	uint64_t counter;
1820	read (evfd, &counter, sizeof (uint64_t));	2225	read (evpipe [1], &counter, sizeof (uint64_t));
1821	}	2226	}
1822	else	2227	else
1823	#endif	2228	#endif
1824	{	2229	{
1825	char dummy;	2230	char dummy[4];
1826	/* 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
1827	read (evpipe [0], &dummy, 1);	2239	read (evpipe [0], &dummy, sizeof (dummy));
		2240	#endif
1828	}	2241	}
1829	}	2242	}
1830		2243
1831	pipe_write_skipped = 0;	2244	pipe_write_skipped = 0;
		2245
		2246	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1832		2247
1833	#if EV_SIGNAL_ENABLE	2248	#if EV_SIGNAL_ENABLE
1834	if (sig_pending)	2249	if (sig_pending)
1835	{	2250	{
1836	sig_pending = 0;	2251	sig_pending = 0;
		2252
		2253	ECB_MEMORY_FENCE;
1837		2254
1838	for (i = EV_NSIG - 1; i--; )	2255	for (i = EV_NSIG - 1; i--; )
1839	if (expect_false (signals [i].pending))	2256	if (expect_false (signals [i].pending))
1840	ev_feed_signal_event (EV_A_ i + 1);	2257	ev_feed_signal_event (EV_A_ i + 1);
1841	}	2258	}
…		…
1843		2260
1844	#if EV_ASYNC_ENABLE	2261	#if EV_ASYNC_ENABLE
1845	if (async_pending)	2262	if (async_pending)
1846	{	2263	{
1847	async_pending = 0;	2264	async_pending = 0;
		2265
		2266	ECB_MEMORY_FENCE;
1848		2267
1849	for (i = asynccnt; i--; )	2268	for (i = asynccnt; i--; )
1850	if (asyncs [i]->sent)	2269	if (asyncs [i]->sent)
1851	{	2270	{
1852	asyncs [i]->sent = 0;	2271	asyncs [i]->sent = 0;
		2272	ECB_MEMORY_FENCE_RELEASE;
1853	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2273	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1854	}	2274	}
1855	}	2275	}
1856	#endif	2276	#endif
1857	}	2277	}
1858		2278
1859	/*****************************************************************************/	2279	/*****************************************************************************/
1860		2280
1861	void	2281	void
1862	ev_feed_signal (int signum)	2282	ev_feed_signal (int signum) EV_THROW
1863	{	2283	{
1864	#if EV_MULTIPLICITY	2284	#if EV_MULTIPLICITY
		2285	EV_P;
		2286	ECB_MEMORY_FENCE_ACQUIRE;
1865	EV_P = signals [signum - 1].loop;	2287	EV_A = signals [signum - 1].loop;
1866		2288
1867	if (!EV_A)	2289	if (!EV_A)
1868	return;	2290	return;
1869	#endif	2291	#endif
1870		2292
1871	if (!ev_active (&pipe_w))
1872	return;
1873
1874	signals [signum - 1].pending = 1;	2293	signals [signum - 1].pending = 1;
1875	evpipe_write (EV_A_ &sig_pending);	2294	evpipe_write (EV_A_ &sig_pending);
1876	}	2295	}
1877		2296
1878	static void	2297	static void
…		…
1884		2303
1885	ev_feed_signal (signum);	2304	ev_feed_signal (signum);
1886	}	2305	}
1887		2306
1888	void noinline	2307	void noinline
1889	ev_feed_signal_event (EV_P_ int signum)	2308	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1890	{	2309	{
1891	WL w;	2310	WL w;
1892		2311
1893	if (expect_false (signum <= 0 || signum > EV_NSIG))	2312	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1894	return;	2313	return;
1895		2314
1896	--signum;	2315	--signum;
1897		2316
1898	#if EV_MULTIPLICITY	2317	#if EV_MULTIPLICITY
…		…
1902	if (expect_false (signals [signum].loop != EV_A))	2321	if (expect_false (signals [signum].loop != EV_A))
1903	return;	2322	return;
1904	#endif	2323	#endif
1905		2324
1906	signals [signum].pending = 0;	2325	signals [signum].pending = 0;
		2326	ECB_MEMORY_FENCE_RELEASE;
1907		2327
1908	for (w = signals [signum].head; w; w = w->next)	2328	for (w = signals [signum].head; w; w = w->next)
1909	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2329	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1910	}	2330	}
1911		2331
…		…
2010	#if EV_USE_SELECT	2430	#if EV_USE_SELECT
2011	# include "ev_select.c"	2431	# include "ev_select.c"
2012	#endif	2432	#endif
2013		2433
2014	int ecb_cold	2434	int ecb_cold
2015	ev_version_major (void)	2435	ev_version_major (void) EV_THROW
2016	{	2436	{
2017	return EV_VERSION_MAJOR;	2437	return EV_VERSION_MAJOR;
2018	}	2438	}
2019		2439
2020	int ecb_cold	2440	int ecb_cold
2021	ev_version_minor (void)	2441	ev_version_minor (void) EV_THROW
2022	{	2442	{
2023	return EV_VERSION_MINOR;	2443	return EV_VERSION_MINOR;
2024	}	2444	}
2025		2445
2026	/* 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 */
…		…
2034	|| getgid () != getegid ();	2454	|| getgid () != getegid ();
2035	#endif	2455	#endif
2036	}	2456	}
2037		2457
2038	unsigned int ecb_cold	2458	unsigned int ecb_cold
2039	ev_supported_backends (void)	2459	ev_supported_backends (void) EV_THROW
2040	{	2460	{
2041	unsigned int flags = 0;	2461	unsigned int flags = 0;
2042		2462
2043	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2463	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2044	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2464	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2048		2468
2049	return flags;	2469	return flags;
2050	}	2470	}
2051		2471
2052	unsigned int ecb_cold	2472	unsigned int ecb_cold
2053	ev_recommended_backends (void)	2473	ev_recommended_backends (void) EV_THROW
2054	{	2474	{
2055	unsigned int flags = ev_supported_backends ();	2475	unsigned int flags = ev_supported_backends ();
2056		2476
2057	#ifndef __NetBSD__	2477	#ifndef __NetBSD__
2058	/* kqueue is borked on everything but netbsd apparently */	2478	/* kqueue is borked on everything but netbsd apparently */
…		…
2070		2490
2071	return flags;	2491	return flags;
2072	}	2492	}
2073		2493
2074	unsigned int ecb_cold	2494	unsigned int ecb_cold
2075	ev_embeddable_backends (void)	2495	ev_embeddable_backends (void) EV_THROW
2076	{	2496	{
2077	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2497	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2078		2498
2079	/* 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 */
2080	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 */
…		…
2082		2502
2083	return flags;	2503	return flags;
2084	}	2504	}
2085		2505
2086	unsigned int	2506	unsigned int
2087	ev_backend (EV_P)	2507	ev_backend (EV_P) EV_THROW
2088	{	2508	{
2089	return backend;	2509	return backend;
2090	}	2510	}
2091		2511
2092	#if EV_FEATURE_API	2512	#if EV_FEATURE_API
2093	unsigned int	2513	unsigned int
2094	ev_iteration (EV_P)	2514	ev_iteration (EV_P) EV_THROW
2095	{	2515	{
2096	return loop_count;	2516	return loop_count;
2097	}	2517	}
2098		2518
2099	unsigned int	2519	unsigned int
2100	ev_depth (EV_P)	2520	ev_depth (EV_P) EV_THROW
2101	{	2521	{
2102	return loop_depth;	2522	return loop_depth;
2103	}	2523	}
2104		2524
2105	void	2525	void
2106	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2526	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2107	{	2527	{
2108	io_blocktime = interval;	2528	io_blocktime = interval;
2109	}	2529	}
2110		2530
2111	void	2531	void
2112	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2532	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2113	{	2533	{
2114	timeout_blocktime = interval;	2534	timeout_blocktime = interval;
2115	}	2535	}
2116		2536
2117	void	2537	void
2118	ev_set_userdata (EV_P_ void *data)	2538	ev_set_userdata (EV_P_ void *data) EV_THROW
2119	{	2539	{
2120	userdata = data;	2540	userdata = data;
2121	}	2541	}
2122		2542
2123	void *	2543	void *
2124	ev_userdata (EV_P)	2544	ev_userdata (EV_P) EV_THROW
2125	{	2545	{
2126	return userdata;	2546	return userdata;
2127	}	2547	}
2128		2548
2129	void	2549	void
2130	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
2131	{	2551	{
2132	invoke_cb = invoke_pending_cb;	2552	invoke_cb = invoke_pending_cb;
2133	}	2553	}
2134		2554
2135	void	2555	void
2136	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
2137	{	2557	{
2138	release_cb = release;	2558	release_cb = release;
2139	acquire_cb = acquire;	2559	acquire_cb = acquire;
2140	}	2560	}
2141	#endif	2561	#endif
2142		2562
2143	/* initialise a loop structure, must be zero-initialised */	2563	/* initialise a loop structure, must be zero-initialised */
2144	static void noinline ecb_cold	2564	static void noinline ecb_cold
2145	loop_init (EV_P_ unsigned int flags)	2565	loop_init (EV_P_ unsigned int flags) EV_THROW
2146	{	2566	{
2147	if (!backend)	2567	if (!backend)
2148	{	2568	{
2149	origflags = flags;	2569	origflags = flags;
2150		2570
…		…
2195	#if EV_ASYNC_ENABLE	2615	#if EV_ASYNC_ENABLE
2196	async_pending = 0;	2616	async_pending = 0;
2197	#endif	2617	#endif
2198	pipe_write_skipped = 0;	2618	pipe_write_skipped = 0;
2199	pipe_write_wanted = 0;	2619	pipe_write_wanted = 0;
		2620	evpipe [0] = -1;
		2621	evpipe [1] = -1;
2200	#if EV_USE_INOTIFY	2622	#if EV_USE_INOTIFY
2201	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2623	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2202	#endif	2624	#endif
2203	#if EV_USE_SIGNALFD	2625	#if EV_USE_SIGNALFD
2204	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2626	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2255	EV_INVOKE_PENDING;	2677	EV_INVOKE_PENDING;
2256	}	2678	}
2257	#endif	2679	#endif
2258		2680
2259	#if EV_CHILD_ENABLE	2681	#if EV_CHILD_ENABLE
2260	if (ev_is_active (&childev))	2682	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2261	{	2683	{
2262	ev_ref (EV_A); /* child watcher */	2684	ev_ref (EV_A); /* child watcher */
2263	ev_signal_stop (EV_A_ &childev);	2685	ev_signal_stop (EV_A_ &childev);
2264	}	2686	}
2265	#endif	2687	#endif
…		…
2267	if (ev_is_active (&pipe_w))	2689	if (ev_is_active (&pipe_w))
2268	{	2690	{
2269	/*ev_ref (EV_A);*/	2691	/*ev_ref (EV_A);*/
2270	/*ev_io_stop (EV_A_ &pipe_w);*/	2692	/*ev_io_stop (EV_A_ &pipe_w);*/
2271		2693
2272	#if EV_USE_EVENTFD
2273	if (evfd >= 0)
2274	close (evfd);
2275	#endif
2276
2277	if (evpipe [0] >= 0)
2278	{
2279	EV_WIN32_CLOSE_FD (evpipe [0]);	2694	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2280	EV_WIN32_CLOSE_FD (evpipe [1]);	2695	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2281	}
2282	}	2696	}
2283		2697
2284	#if EV_USE_SIGNALFD	2698	#if EV_USE_SIGNALFD
2285	if (ev_is_active (&sigfd_w))	2699	if (ev_is_active (&sigfd_w))
2286	close (sigfd);	2700	close (sigfd);
…		…
2372	#endif	2786	#endif
2373	#if EV_USE_INOTIFY	2787	#if EV_USE_INOTIFY
2374	infy_fork (EV_A);	2788	infy_fork (EV_A);
2375	#endif	2789	#endif
2376		2790
		2791	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2377	if (ev_is_active (&pipe_w))	2792	if (ev_is_active (&pipe_w))
2378	{	2793	{
2379	/* 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 */
2380		2795
2381	ev_ref (EV_A);	2796	ev_ref (EV_A);
2382	ev_io_stop (EV_A_ &pipe_w);	2797	ev_io_stop (EV_A_ &pipe_w);
2383		2798
2384	#if EV_USE_EVENTFD
2385	if (evfd >= 0)
2386	close (evfd);
2387	#endif
2388
2389	if (evpipe [0] >= 0)	2799	if (evpipe [0] >= 0)
2390	{
2391	EV_WIN32_CLOSE_FD (evpipe [0]);	2800	EV_WIN32_CLOSE_FD (evpipe [0]);
2392	EV_WIN32_CLOSE_FD (evpipe [1]);
2393	}
2394		2801
2395	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2396	evpipe_init (EV_A);	2802	evpipe_init (EV_A);
2397	/* now iterate over everything, in case we missed something */	2803	/* iterate over everything, in case we missed something before */
2398	pipecb (EV_A_ &pipe_w, EV_READ);	2804	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2399	#endif
2400	}	2805	}
		2806	#endif
2401		2807
2402	postfork = 0;	2808	postfork = 0;
2403	}	2809	}
2404		2810
2405	#if EV_MULTIPLICITY	2811	#if EV_MULTIPLICITY
2406		2812
2407	struct ev_loop * ecb_cold	2813	struct ev_loop * ecb_cold
2408	ev_loop_new (unsigned int flags)	2814	ev_loop_new (unsigned int flags) EV_THROW
2409	{	2815	{
2410	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2816	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2411		2817
2412	memset (EV_A, 0, sizeof (struct ev_loop));	2818	memset (EV_A, 0, sizeof (struct ev_loop));
2413	loop_init (EV_A_ flags);	2819	loop_init (EV_A_ flags);
…		…
2457	}	2863	}
2458	#endif	2864	#endif
2459		2865
2460	#if EV_FEATURE_API	2866	#if EV_FEATURE_API
2461	void ecb_cold	2867	void ecb_cold
2462	ev_verify (EV_P)	2868	ev_verify (EV_P) EV_THROW
2463	{	2869	{
2464	#if EV_VERIFY	2870	#if EV_VERIFY
2465	int i;	2871	int i;
2466	WL w;	2872	WL w, w2;
2467		2873
2468	assert (activecnt >= -1);	2874	assert (activecnt >= -1);
2469		2875
2470	assert (fdchangemax >= fdchangecnt);	2876	assert (fdchangemax >= fdchangecnt);
2471	for (i = 0; i < fdchangecnt; ++i)	2877	for (i = 0; i < fdchangecnt; ++i)
2472	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2878	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2473		2879
2474	assert (anfdmax >= 0);	2880	assert (anfdmax >= 0);
2475	for (i = 0; i < anfdmax; ++i)	2881	for (i = 0; i < anfdmax; ++i)
		2882	{
		2883	int j = 0;
		2884
2476	for (w = anfds [i].head; w; w = w->next)	2885	for (w = w2 = anfds [i].head; w; w = w->next)
2477	{	2886	{
2478	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
2479	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));
2480	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));
2481	}	2897	}
		2898	}
2482		2899
2483	assert (timermax >= timercnt);	2900	assert (timermax >= timercnt);
2484	verify_heap (EV_A_ timers, timercnt);	2901	verify_heap (EV_A_ timers, timercnt);
2485		2902
2486	#if EV_PERIODIC_ENABLE	2903	#if EV_PERIODIC_ENABLE
…		…
2536	#if EV_MULTIPLICITY	2953	#if EV_MULTIPLICITY
2537	struct ev_loop * ecb_cold	2954	struct ev_loop * ecb_cold
2538	#else	2955	#else
2539	int	2956	int
2540	#endif	2957	#endif
2541	ev_default_loop (unsigned int flags)	2958	ev_default_loop (unsigned int flags) EV_THROW
2542	{	2959	{
2543	if (!ev_default_loop_ptr)	2960	if (!ev_default_loop_ptr)
2544	{	2961	{
2545	#if EV_MULTIPLICITY	2962	#if EV_MULTIPLICITY
2546	EV_P = ev_default_loop_ptr = &default_loop_struct;	2963	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2565		2982
2566	return ev_default_loop_ptr;	2983	return ev_default_loop_ptr;
2567	}	2984	}
2568		2985
2569	void	2986	void
2570	ev_loop_fork (EV_P)	2987	ev_loop_fork (EV_P) EV_THROW
2571	{	2988	{
2572	postfork = 1; /* must be in line with ev_default_fork */	2989	postfork = 1;
2573	}	2990	}
2574		2991
2575	/*****************************************************************************/	2992	/*****************************************************************************/
2576		2993
2577	void	2994	void
…		…
2579	{	2996	{
2580	EV_CB_INVOKE ((W)w, revents);	2997	EV_CB_INVOKE ((W)w, revents);
2581	}	2998	}
2582		2999
2583	unsigned int	3000	unsigned int
2584	ev_pending_count (EV_P)	3001	ev_pending_count (EV_P) EV_THROW
2585	{	3002	{
2586	int pri;	3003	int pri;
2587	unsigned int count = 0;	3004	unsigned int count = 0;
2588		3005
2589	for (pri = NUMPRI; pri--; )	3006	for (pri = NUMPRI; pri--; )
…		…
2593	}	3010	}
2594		3011
2595	void noinline	3012	void noinline
2596	ev_invoke_pending (EV_P)	3013	ev_invoke_pending (EV_P)
2597	{	3014	{
2598	int pri;	3015	pendingpri = NUMPRI;
2599		3016
2600	for (pri = NUMPRI; pri--; )	3017	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3018	{
		3019	--pendingpri;
		3020
2601	while (pendingcnt [pri])	3021	while (pendingcnt [pendingpri])
2602	{	3022	{
2603	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3023	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2604		3024
2605	p->w->pending = 0;	3025	p->w->pending = 0;
2606	EV_CB_INVOKE (p->w, p->events);	3026	EV_CB_INVOKE (p->w, p->events);
2607	EV_FREQUENT_CHECK;	3027	EV_FREQUENT_CHECK;
2608	}	3028	}
		3029	}
2609	}	3030	}
2610		3031
2611	#if EV_IDLE_ENABLE	3032	#if EV_IDLE_ENABLE
2612	/* make idle watchers pending. this handles the "call-idle */	3033	/* make idle watchers pending. this handles the "call-idle */
2613	/* only when higher priorities are idle" logic */	3034	/* only when higher priorities are idle" logic */
…		…
2703	{	3124	{
2704	EV_FREQUENT_CHECK;	3125	EV_FREQUENT_CHECK;
2705		3126
2706	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3127	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2707	{	3128	{
2708	int feed_count = 0;
2709
2710	do	3129	do
2711	{	3130	{
2712	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3131	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2713		3132
2714	/*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)));*/
…		…
2848		3267
2849	mn_now = ev_rt_now;	3268	mn_now = ev_rt_now;
2850	}	3269	}
2851	}	3270	}
2852		3271
2853	void	3272	int
2854	ev_run (EV_P_ int flags)	3273	ev_run (EV_P_ int flags)
2855	{	3274	{
2856	#if EV_FEATURE_API	3275	#if EV_FEATURE_API
2857	++loop_depth;	3276	++loop_depth;
2858	#endif	3277	#endif
…		…
2971	#endif	3390	#endif
2972	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3391	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2973	backend_poll (EV_A_ waittime);	3392	backend_poll (EV_A_ waittime);
2974	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3393	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2975		3394
2976	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3395	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2977		3396
		3397	ECB_MEMORY_FENCE_ACQUIRE;
2978	if (pipe_write_skipped)	3398	if (pipe_write_skipped)
2979	{	3399	{
2980	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)));
2981	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3401	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2982	}	3402	}
…		…
3015	loop_done = EVBREAK_CANCEL;	3435	loop_done = EVBREAK_CANCEL;
3016		3436
3017	#if EV_FEATURE_API	3437	#if EV_FEATURE_API
3018	--loop_depth;	3438	--loop_depth;
3019	#endif	3439	#endif
		3440
		3441	return activecnt;
3020	}	3442	}
3021		3443
3022	void	3444	void
3023	ev_break (EV_P_ int how)	3445	ev_break (EV_P_ int how) EV_THROW
3024	{	3446	{
3025	loop_done = how;	3447	loop_done = how;
3026	}	3448	}
3027		3449
3028	void	3450	void
3029	ev_ref (EV_P)	3451	ev_ref (EV_P) EV_THROW
3030	{	3452	{
3031	++activecnt;	3453	++activecnt;
3032	}	3454	}
3033		3455
3034	void	3456	void
3035	ev_unref (EV_P)	3457	ev_unref (EV_P) EV_THROW
3036	{	3458	{
3037	--activecnt;	3459	--activecnt;
3038	}	3460	}
3039		3461
3040	void	3462	void
3041	ev_now_update (EV_P)	3463	ev_now_update (EV_P) EV_THROW
3042	{	3464	{
3043	time_update (EV_A_ 1e100);	3465	time_update (EV_A_ 1e100);
3044	}	3466	}
3045		3467
3046	void	3468	void
3047	ev_suspend (EV_P)	3469	ev_suspend (EV_P) EV_THROW
3048	{	3470	{
3049	ev_now_update (EV_A);	3471	ev_now_update (EV_A);
3050	}	3472	}
3051		3473
3052	void	3474	void
3053	ev_resume (EV_P)	3475	ev_resume (EV_P) EV_THROW
3054	{	3476	{
3055	ev_tstamp mn_prev = mn_now;	3477	ev_tstamp mn_prev = mn_now;
3056		3478
3057	ev_now_update (EV_A);	3479	ev_now_update (EV_A);
3058	timers_reschedule (EV_A_ mn_now - mn_prev);	3480	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3097	w->pending = 0;	3519	w->pending = 0;
3098	}	3520	}
3099	}	3521	}
3100		3522
3101	int	3523	int
3102	ev_clear_pending (EV_P_ void *w)	3524	ev_clear_pending (EV_P_ void *w) EV_THROW
3103	{	3525	{
3104	W w_ = (W)w;	3526	W w_ = (W)w;
3105	int pending = w_->pending;	3527	int pending = w_->pending;
3106		3528
3107	if (expect_true (pending))	3529	if (expect_true (pending))
…		…
3140	}	3562	}
3141		3563
3142	/*****************************************************************************/	3564	/*****************************************************************************/
3143		3565
3144	void noinline	3566	void noinline
3145	ev_io_start (EV_P_ ev_io *w)	3567	ev_io_start (EV_P_ ev_io *w) EV_THROW
3146	{	3568	{
3147	int fd = w->fd;	3569	int fd = w->fd;
3148		3570
3149	if (expect_false (ev_is_active (w)))	3571	if (expect_false (ev_is_active (w)))
3150	return;	3572	return;
…		…
3156		3578
3157	ev_start (EV_A_ (W)w, 1);	3579	ev_start (EV_A_ (W)w, 1);
3158	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3580	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3159	wlist_add (&anfds[fd].head, (WL)w);	3581	wlist_add (&anfds[fd].head, (WL)w);
3160		3582
		3583	/* common bug, apparently */
		3584	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3585
3161	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);
3162	w->events &= ~EV__IOFDSET;	3587	w->events &= ~EV__IOFDSET;
3163		3588
3164	EV_FREQUENT_CHECK;	3589	EV_FREQUENT_CHECK;
3165	}	3590	}
3166		3591
3167	void noinline	3592	void noinline
3168	ev_io_stop (EV_P_ ev_io *w)	3593	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3169	{	3594	{
3170	clear_pending (EV_A_ (W)w);	3595	clear_pending (EV_A_ (W)w);
3171	if (expect_false (!ev_is_active (w)))	3596	if (expect_false (!ev_is_active (w)))
3172	return;	3597	return;
3173		3598
…		…
3182		3607
3183	EV_FREQUENT_CHECK;	3608	EV_FREQUENT_CHECK;
3184	}	3609	}
3185		3610
3186	void noinline	3611	void noinline
3187	ev_timer_start (EV_P_ ev_timer *w)	3612	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3188	{	3613	{
3189	if (expect_false (ev_is_active (w)))	3614	if (expect_false (ev_is_active (w)))
3190	return;	3615	return;
3191		3616
3192	ev_at (w) += mn_now;	3617	ev_at (w) += mn_now;
…		…
3206		3631
3207	/*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));*/
3208	}	3633	}
3209		3634
3210	void noinline	3635	void noinline
3211	ev_timer_stop (EV_P_ ev_timer *w)	3636	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3212	{	3637	{
3213	clear_pending (EV_A_ (W)w);	3638	clear_pending (EV_A_ (W)w);
3214	if (expect_false (!ev_is_active (w)))	3639	if (expect_false (!ev_is_active (w)))
3215	return;	3640	return;
3216		3641
…		…
3236		3661
3237	EV_FREQUENT_CHECK;	3662	EV_FREQUENT_CHECK;
3238	}	3663	}
3239		3664
3240	void noinline	3665	void noinline
3241	ev_timer_again (EV_P_ ev_timer *w)	3666	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3242	{	3667	{
3243	EV_FREQUENT_CHECK;	3668	EV_FREQUENT_CHECK;
		3669
		3670	clear_pending (EV_A_ (W)w);
3244		3671
3245	if (ev_is_active (w))	3672	if (ev_is_active (w))
3246	{	3673	{
3247	if (w->repeat)	3674	if (w->repeat)
3248	{	3675	{
…		…
3261		3688
3262	EV_FREQUENT_CHECK;	3689	EV_FREQUENT_CHECK;
3263	}	3690	}
3264		3691
3265	ev_tstamp	3692	ev_tstamp
3266	ev_timer_remaining (EV_P_ ev_timer *w)	3693	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3267	{	3694	{
3268	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3695	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3269	}	3696	}
3270		3697
3271	#if EV_PERIODIC_ENABLE	3698	#if EV_PERIODIC_ENABLE
3272	void noinline	3699	void noinline
3273	ev_periodic_start (EV_P_ ev_periodic *w)	3700	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3274	{	3701	{
3275	if (expect_false (ev_is_active (w)))	3702	if (expect_false (ev_is_active (w)))
3276	return;	3703	return;
3277		3704
3278	if (w->reschedule_cb)	3705	if (w->reschedule_cb)
…		…
3298		3725
3299	/*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));*/
3300	}	3727	}
3301		3728
3302	void noinline	3729	void noinline
3303	ev_periodic_stop (EV_P_ ev_periodic *w)	3730	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3304	{	3731	{
3305	clear_pending (EV_A_ (W)w);	3732	clear_pending (EV_A_ (W)w);
3306	if (expect_false (!ev_is_active (w)))	3733	if (expect_false (!ev_is_active (w)))
3307	return;	3734	return;
3308		3735
…		…
3326		3753
3327	EV_FREQUENT_CHECK;	3754	EV_FREQUENT_CHECK;
3328	}	3755	}
3329		3756
3330	void noinline	3757	void noinline
3331	ev_periodic_again (EV_P_ ev_periodic *w)	3758	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3332	{	3759	{
3333	/* TODO: use adjustheap and recalculation */	3760	/* TODO: use adjustheap and recalculation */
3334	ev_periodic_stop (EV_A_ w);	3761	ev_periodic_stop (EV_A_ w);
3335	ev_periodic_start (EV_A_ w);	3762	ev_periodic_start (EV_A_ w);
3336	}	3763	}
…		…
3341	#endif	3768	#endif
3342		3769
3343	#if EV_SIGNAL_ENABLE	3770	#if EV_SIGNAL_ENABLE
3344		3771
3345	void noinline	3772	void noinline
3346	ev_signal_start (EV_P_ ev_signal *w)	3773	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3347	{	3774	{
3348	if (expect_false (ev_is_active (w)))	3775	if (expect_false (ev_is_active (w)))
3349	return;	3776	return;
3350		3777
3351	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));
…		…
3353	#if EV_MULTIPLICITY	3780	#if EV_MULTIPLICITY
3354	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",
3355	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3782	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3356		3783
3357	signals [w->signum - 1].loop = EV_A;	3784	signals [w->signum - 1].loop = EV_A;
		3785	ECB_MEMORY_FENCE_RELEASE;
3358	#endif	3786	#endif
3359		3787
3360	EV_FREQUENT_CHECK;	3788	EV_FREQUENT_CHECK;
3361		3789
3362	#if EV_USE_SIGNALFD	3790	#if EV_USE_SIGNALFD
…		…
3422		3850
3423	EV_FREQUENT_CHECK;	3851	EV_FREQUENT_CHECK;
3424	}	3852	}
3425		3853
3426	void noinline	3854	void noinline
3427	ev_signal_stop (EV_P_ ev_signal *w)	3855	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3428	{	3856	{
3429	clear_pending (EV_A_ (W)w);	3857	clear_pending (EV_A_ (W)w);
3430	if (expect_false (!ev_is_active (w)))	3858	if (expect_false (!ev_is_active (w)))
3431	return;	3859	return;
3432		3860
…		…
3463	#endif	3891	#endif
3464		3892
3465	#if EV_CHILD_ENABLE	3893	#if EV_CHILD_ENABLE
3466		3894
3467	void	3895	void
3468	ev_child_start (EV_P_ ev_child *w)	3896	ev_child_start (EV_P_ ev_child *w) EV_THROW
3469	{	3897	{
3470	#if EV_MULTIPLICITY	3898	#if EV_MULTIPLICITY
3471	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));
3472	#endif	3900	#endif
3473	if (expect_false (ev_is_active (w)))	3901	if (expect_false (ev_is_active (w)))
…		…
3480		3908
3481	EV_FREQUENT_CHECK;	3909	EV_FREQUENT_CHECK;
3482	}	3910	}
3483		3911
3484	void	3912	void
3485	ev_child_stop (EV_P_ ev_child *w)	3913	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3486	{	3914	{
3487	clear_pending (EV_A_ (W)w);	3915	clear_pending (EV_A_ (W)w);
3488	if (expect_false (!ev_is_active (w)))	3916	if (expect_false (!ev_is_active (w)))
3489	return;	3917	return;
3490		3918
…		…
3517	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3945	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3518		3946
3519	static void noinline	3947	static void noinline
3520	infy_add (EV_P_ ev_stat *w)	3948	infy_add (EV_P_ ev_stat *w)
3521	{	3949	{
3522	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);
3523		3954
3524	if (w->wd >= 0)	3955	if (w->wd >= 0)
3525	{	3956	{
3526	struct statfs sfs;	3957	struct statfs sfs;
3527		3958
…		…
3531		3962
3532	if (!fs_2625)	3963	if (!fs_2625)
3533	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3964	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3534	else if (!statfs (w->path, &sfs)	3965	else if (!statfs (w->path, &sfs)
3535	&& (sfs.f_type == 0x1373 /* devfs */	3966	&& (sfs.f_type == 0x1373 /* devfs */
		3967	|| sfs.f_type == 0x4006 /* fat */
		3968	|| sfs.f_type == 0x4d44 /* msdos */
3536	|| 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 */
3537	|| sfs.f_type == 0x3153464a /* jfs */	3973	|| sfs.f_type == 0x3153464a /* jfs */
		3974	|| sfs.f_type == 0x9123683e /* btrfs */
3538	|| sfs.f_type == 0x52654973 /* reiser3 */	3975	|| sfs.f_type == 0x52654973 /* reiser3 */
3539	|| sfs.f_type == 0x01021994 /* tempfs */	3976	|| sfs.f_type == 0x01021994 /* tmpfs */
3540	|| sfs.f_type == 0x58465342 /* xfs */))	3977	|| sfs.f_type == 0x58465342 /* xfs */))
3541	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3978	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3542	else	3979	else
3543	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 */
3544	}	3981	}
…		…
3657	}	4094	}
3658		4095
3659	inline_size int	4096	inline_size int
3660	infy_newfd (void)	4097	infy_newfd (void)
3661	{	4098	{
3662	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4099	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3663	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4100	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3664	if (fd >= 0)	4101	if (fd >= 0)
3665	return fd;	4102	return fd;
3666	#endif	4103	#endif
3667	return inotify_init ();	4104	return inotify_init ();
…		…
3742	#else	4179	#else
3743	# define EV_LSTAT(p,b) lstat (p, b)	4180	# define EV_LSTAT(p,b) lstat (p, b)
3744	#endif	4181	#endif
3745		4182
3746	void	4183	void
3747	ev_stat_stat (EV_P_ ev_stat *w)	4184	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3748	{	4185	{
3749	if (lstat (w->path, &w->attr) < 0)	4186	if (lstat (w->path, &w->attr) < 0)
3750	w->attr.st_nlink = 0;	4187	w->attr.st_nlink = 0;
3751	else if (!w->attr.st_nlink)	4188	else if (!w->attr.st_nlink)
3752	w->attr.st_nlink = 1;	4189	w->attr.st_nlink = 1;
…		…
3791	ev_feed_event (EV_A_ w, EV_STAT);	4228	ev_feed_event (EV_A_ w, EV_STAT);
3792	}	4229	}
3793	}	4230	}
3794		4231
3795	void	4232	void
3796	ev_stat_start (EV_P_ ev_stat *w)	4233	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3797	{	4234	{
3798	if (expect_false (ev_is_active (w)))	4235	if (expect_false (ev_is_active (w)))
3799	return;	4236	return;
3800		4237
3801	ev_stat_stat (EV_A_ w);	4238	ev_stat_stat (EV_A_ w);
…		…
3822		4259
3823	EV_FREQUENT_CHECK;	4260	EV_FREQUENT_CHECK;
3824	}	4261	}
3825		4262
3826	void	4263	void
3827	ev_stat_stop (EV_P_ ev_stat *w)	4264	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3828	{	4265	{
3829	clear_pending (EV_A_ (W)w);	4266	clear_pending (EV_A_ (W)w);
3830	if (expect_false (!ev_is_active (w)))	4267	if (expect_false (!ev_is_active (w)))
3831	return;	4268	return;
3832		4269
…		…
3848	}	4285	}
3849	#endif	4286	#endif
3850		4287
3851	#if EV_IDLE_ENABLE	4288	#if EV_IDLE_ENABLE
3852	void	4289	void
3853	ev_idle_start (EV_P_ ev_idle *w)	4290	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3854	{	4291	{
3855	if (expect_false (ev_is_active (w)))	4292	if (expect_false (ev_is_active (w)))
3856	return;	4293	return;
3857		4294
3858	pri_adjust (EV_A_ (W)w);	4295	pri_adjust (EV_A_ (W)w);
…		…
3871		4308
3872	EV_FREQUENT_CHECK;	4309	EV_FREQUENT_CHECK;
3873	}	4310	}
3874		4311
3875	void	4312	void
3876	ev_idle_stop (EV_P_ ev_idle *w)	4313	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3877	{	4314	{
3878	clear_pending (EV_A_ (W)w);	4315	clear_pending (EV_A_ (W)w);
3879	if (expect_false (!ev_is_active (w)))	4316	if (expect_false (!ev_is_active (w)))
3880	return;	4317	return;
3881		4318
…		…
3895	}	4332	}
3896	#endif	4333	#endif
3897		4334
3898	#if EV_PREPARE_ENABLE	4335	#if EV_PREPARE_ENABLE
3899	void	4336	void
3900	ev_prepare_start (EV_P_ ev_prepare *w)	4337	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3901	{	4338	{
3902	if (expect_false (ev_is_active (w)))	4339	if (expect_false (ev_is_active (w)))
3903	return;	4340	return;
3904		4341
3905	EV_FREQUENT_CHECK;	4342	EV_FREQUENT_CHECK;
…		…
3910		4347
3911	EV_FREQUENT_CHECK;	4348	EV_FREQUENT_CHECK;
3912	}	4349	}
3913		4350
3914	void	4351	void
3915	ev_prepare_stop (EV_P_ ev_prepare *w)	4352	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3916	{	4353	{
3917	clear_pending (EV_A_ (W)w);	4354	clear_pending (EV_A_ (W)w);
3918	if (expect_false (!ev_is_active (w)))	4355	if (expect_false (!ev_is_active (w)))
3919	return;	4356	return;
3920		4357
…		…
3933	}	4370	}
3934	#endif	4371	#endif
3935		4372
3936	#if EV_CHECK_ENABLE	4373	#if EV_CHECK_ENABLE
3937	void	4374	void
3938	ev_check_start (EV_P_ ev_check *w)	4375	ev_check_start (EV_P_ ev_check *w) EV_THROW
3939	{	4376	{
3940	if (expect_false (ev_is_active (w)))	4377	if (expect_false (ev_is_active (w)))
3941	return;	4378	return;
3942		4379
3943	EV_FREQUENT_CHECK;	4380	EV_FREQUENT_CHECK;
…		…
3948		4385
3949	EV_FREQUENT_CHECK;	4386	EV_FREQUENT_CHECK;
3950	}	4387	}
3951		4388
3952	void	4389	void
3953	ev_check_stop (EV_P_ ev_check *w)	4390	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3954	{	4391	{
3955	clear_pending (EV_A_ (W)w);	4392	clear_pending (EV_A_ (W)w);
3956	if (expect_false (!ev_is_active (w)))	4393	if (expect_false (!ev_is_active (w)))
3957	return;	4394	return;
3958		4395
…		…
3971	}	4408	}
3972	#endif	4409	#endif
3973		4410
3974	#if EV_EMBED_ENABLE	4411	#if EV_EMBED_ENABLE
3975	void noinline	4412	void noinline
3976	ev_embed_sweep (EV_P_ ev_embed *w)	4413	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3977	{	4414	{
3978	ev_run (w->other, EVRUN_NOWAIT);	4415	ev_run (w->other, EVRUN_NOWAIT);
3979	}	4416	}
3980		4417
3981	static void	4418	static void
…		…
4029	ev_idle_stop (EV_A_ idle);	4466	ev_idle_stop (EV_A_ idle);
4030	}	4467	}
4031	#endif	4468	#endif
4032		4469
4033	void	4470	void
4034	ev_embed_start (EV_P_ ev_embed *w)	4471	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4035	{	4472	{
4036	if (expect_false (ev_is_active (w)))	4473	if (expect_false (ev_is_active (w)))
4037	return;	4474	return;
4038		4475
4039	{	4476	{
…		…
4060		4497
4061	EV_FREQUENT_CHECK;	4498	EV_FREQUENT_CHECK;
4062	}	4499	}
4063		4500
4064	void	4501	void
4065	ev_embed_stop (EV_P_ ev_embed *w)	4502	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4066	{	4503	{
4067	clear_pending (EV_A_ (W)w);	4504	clear_pending (EV_A_ (W)w);
4068	if (expect_false (!ev_is_active (w)))	4505	if (expect_false (!ev_is_active (w)))
4069	return;	4506	return;
4070		4507
…		…
4080	}	4517	}
4081	#endif	4518	#endif
4082		4519
4083	#if EV_FORK_ENABLE	4520	#if EV_FORK_ENABLE
4084	void	4521	void
4085	ev_fork_start (EV_P_ ev_fork *w)	4522	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4086	{	4523	{
4087	if (expect_false (ev_is_active (w)))	4524	if (expect_false (ev_is_active (w)))
4088	return;	4525	return;
4089		4526
4090	EV_FREQUENT_CHECK;	4527	EV_FREQUENT_CHECK;
…		…
4095		4532
4096	EV_FREQUENT_CHECK;	4533	EV_FREQUENT_CHECK;
4097	}	4534	}
4098		4535
4099	void	4536	void
4100	ev_fork_stop (EV_P_ ev_fork *w)	4537	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4101	{	4538	{
4102	clear_pending (EV_A_ (W)w);	4539	clear_pending (EV_A_ (W)w);
4103	if (expect_false (!ev_is_active (w)))	4540	if (expect_false (!ev_is_active (w)))
4104	return;	4541	return;
4105		4542
…		…
4118	}	4555	}
4119	#endif	4556	#endif
4120		4557
4121	#if EV_CLEANUP_ENABLE	4558	#if EV_CLEANUP_ENABLE
4122	void	4559	void
4123	ev_cleanup_start (EV_P_ ev_cleanup *w)	4560	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4124	{	4561	{
4125	if (expect_false (ev_is_active (w)))	4562	if (expect_false (ev_is_active (w)))
4126	return;	4563	return;
4127		4564
4128	EV_FREQUENT_CHECK;	4565	EV_FREQUENT_CHECK;
…		…
4135	ev_unref (EV_A);	4572	ev_unref (EV_A);
4136	EV_FREQUENT_CHECK;	4573	EV_FREQUENT_CHECK;
4137	}	4574	}
4138		4575
4139	void	4576	void
4140	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4577	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4141	{	4578	{
4142	clear_pending (EV_A_ (W)w);	4579	clear_pending (EV_A_ (W)w);
4143	if (expect_false (!ev_is_active (w)))	4580	if (expect_false (!ev_is_active (w)))
4144	return;	4581	return;
4145		4582
…		…
4159	}	4596	}
4160	#endif	4597	#endif
4161		4598
4162	#if EV_ASYNC_ENABLE	4599	#if EV_ASYNC_ENABLE
4163	void	4600	void
4164	ev_async_start (EV_P_ ev_async *w)	4601	ev_async_start (EV_P_ ev_async *w) EV_THROW
4165	{	4602	{
4166	if (expect_false (ev_is_active (w)))	4603	if (expect_false (ev_is_active (w)))
4167	return;	4604	return;
4168		4605
4169	w->sent = 0;	4606	w->sent = 0;
…		…
4178		4615
4179	EV_FREQUENT_CHECK;	4616	EV_FREQUENT_CHECK;
4180	}	4617	}
4181		4618
4182	void	4619	void
4183	ev_async_stop (EV_P_ ev_async *w)	4620	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4184	{	4621	{
4185	clear_pending (EV_A_ (W)w);	4622	clear_pending (EV_A_ (W)w);
4186	if (expect_false (!ev_is_active (w)))	4623	if (expect_false (!ev_is_active (w)))
4187	return;	4624	return;
4188		4625
…		…
4199		4636
4200	EV_FREQUENT_CHECK;	4637	EV_FREQUENT_CHECK;
4201	}	4638	}
4202		4639
4203	void	4640	void
4204	ev_async_send (EV_P_ ev_async *w)	4641	ev_async_send (EV_P_ ev_async *w) EV_THROW
4205	{	4642	{
4206	w->sent = 1;	4643	w->sent = 1;
4207	evpipe_write (EV_A_ &async_pending);	4644	evpipe_write (EV_A_ &async_pending);
4208	}	4645	}
4209	#endif	4646	#endif
…		…
4246		4683
4247	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));
4248	}	4685	}
4249		4686
4250	void	4687	void
4251	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
4252	{	4689	{
4253	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));
4254		4691
4255	if (expect_false (!once))	4692	if (expect_false (!once))
4256	{	4693	{
…		…
4278		4715
4279	/*****************************************************************************/	4716	/*****************************************************************************/
4280		4717
4281	#if EV_WALK_ENABLE	4718	#if EV_WALK_ENABLE
4282	void ecb_cold	4719	void ecb_cold
4283	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
4284	{	4721	{
4285	int i, j;	4722	int i, j;
4286	ev_watcher_list *wl, *wn;	4723	ev_watcher_list *wl, *wn;
4287		4724
4288	if (types & (EV_IO | EV_EMBED))	4725	if (types & (EV_IO | EV_EMBED))
…		…
4394		4831
4395	#if EV_MULTIPLICITY	4832	#if EV_MULTIPLICITY
4396	#include "ev_wrap.h"	4833	#include "ev_wrap.h"
4397	#endif	4834	#endif
4398		4835
4399	EV_CPP(})
4400

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines