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Comparing libev/ev.c (file contents):
Revision 1.391 by root, Thu Aug 4 13:57:16 2011 UTC vs.
Revision 1.458 by root, Sun Oct 27 16:26:07 2013 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
59	# endif	59	# endif
60	# ifndef EV_USE_MONOTONIC	60	# ifndef EV_USE_MONOTONIC
61	# define EV_USE_MONOTONIC 1	61	# define EV_USE_MONOTONIC 1
62	# endif	62	# endif
63	# endif	63	# endif
64	# elif !defined(EV_USE_CLOCK_SYSCALL)	64	# elif !defined EV_USE_CLOCK_SYSCALL
65	# define EV_USE_CLOCK_SYSCALL 0	65	# define EV_USE_CLOCK_SYSCALL 0
66	# endif	66	# endif
67		67
68	# if HAVE_CLOCK_GETTIME	68	# if HAVE_CLOCK_GETTIME
69	# ifndef EV_USE_MONOTONIC	69	# ifndef EV_USE_MONOTONIC
…		…
183	# include EV_H	183	# include EV_H
184	#else	184	#else
185	# include "ev.h"	185	# include "ev.h"
186	#endif	186	#endif
187		187
188	EV_CPP(extern "C" {)	188	#if EV_NO_THREADS
		189	# undef EV_NO_SMP
		190	# define EV_NO_SMP 1
		191	# undef ECB_NO_THREADS
		192	# define ECB_NO_THREADS 1
		193	#endif
		194	#if EV_NO_SMP
		195	# undef EV_NO_SMP
		196	# define ECB_NO_SMP 1
		197	#endif
189		198
190	#ifndef _WIN32	199	#ifndef _WIN32
191	# include <sys/time.h>	200	# include <sys/time.h>
192	# include <sys/wait.h>	201	# include <sys/wait.h>
193	# include <unistd.h>	202	# include <unistd.h>
194	#else	203	#else
195	# include <io.h>	204	# include <io.h>
196	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
197	# include <windows.h>	207	# include <windows.h>
198	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
199	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
200	# endif	210	# endif
201	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
211		221
212	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
213		223
214	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	225	#if defined EV_NSIG
216	/* use what's provided */	226	/* use what's provided */
217	#elif defined (NSIG)	227	#elif defined NSIG
218	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	229	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	231	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	237	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	245	#else
236	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
237	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	261	# endif
252	#endif	262	#endif
253		263
254	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	267	# else
258	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
259	# endif	269	# endif
260	#endif	270	#endif
…		…
347		357
348	#ifndef EV_HEAP_CACHE_AT	358	#ifndef EV_HEAP_CACHE_AT
349	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350	#endif	360	#endif
351		361
		362	#ifdef ANDROID
		363	/* supposedly, android doesn't typedef fd_mask */
		364	# undef EV_USE_SELECT
		365	# define EV_USE_SELECT 0
		366	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		367	# undef EV_USE_CLOCK_SYSCALL
		368	# define EV_USE_CLOCK_SYSCALL 0
		369	#endif
		370
		371	/* aix's poll.h seems to cause lots of trouble */
		372	#ifdef _AIX
		373	/* AIX has a completely broken poll.h header */
		374	# undef EV_USE_POLL
		375	# define EV_USE_POLL 0
		376	#endif
		377
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	378	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
353	/* which makes programs even slower. might work on other unices, too. */	379	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	380	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	381	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	382	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	383	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	384	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	385	# define EV_USE_MONOTONIC 1
360	# else	386	# else
…		…
363	# endif	389	# endif
364	#endif	390	#endif
365		391
366	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	392	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
367		393
368	#ifdef _AIX
369	/* AIX has a completely broken poll.h header */
370	# undef EV_USE_POLL
371	# define EV_USE_POLL 0
372	#endif
373
374	#ifndef CLOCK_MONOTONIC	394	#ifndef CLOCK_MONOTONIC
375	# undef EV_USE_MONOTONIC	395	# undef EV_USE_MONOTONIC
376	# define EV_USE_MONOTONIC 0	396	# define EV_USE_MONOTONIC 0
377	#endif	397	#endif
378		398
…		…
386	# define EV_USE_INOTIFY 0	406	# define EV_USE_INOTIFY 0
387	#endif	407	#endif
388		408
389	#if !EV_USE_NANOSLEEP	409	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	410	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	411	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	412	# include <sys/select.h>
393	# endif	413	# endif
394	#endif	414	#endif
395		415
396	#if EV_USE_INOTIFY	416	#if EV_USE_INOTIFY
…		…
399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	419	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400	# ifndef IN_DONT_FOLLOW	420	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	421	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	422	# define EV_USE_INOTIFY 0
403	# endif	423	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	424	#endif
409		425
410	#if EV_USE_EVENTFD	426	#if EV_USE_EVENTFD
411	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	427	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412	# include <stdint.h>	428	# include <stdint.h>
…		…
469	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	485	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ECB.H BEGIN */	486	/* ECB.H BEGIN */
471	/*	487	/*
472	* libecb - http://software.schmorp.de/pkg/libecb	488	* libecb - http://software.schmorp.de/pkg/libecb
473	*	489	*
474	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	490	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
475	* Copyright (©) 2011 Emanuele Giaquinta	491	* Copyright (©) 2011 Emanuele Giaquinta
476	* All rights reserved.	492	* All rights reserved.
477	*	493	*
478	* Redistribution and use in source and binary forms, with or without modifica-	494	* Redistribution and use in source and binary forms, with or without modifica-
479	* tion, are permitted provided that the following conditions are met:	495	* tion, are permitted provided that the following conditions are met:
…		…
498	*/	514	*/
499		515
500	#ifndef ECB_H	516	#ifndef ECB_H
501	#define ECB_H	517	#define ECB_H
502		518
		519	/* 16 bits major, 16 bits minor */
		520	#define ECB_VERSION 0x00010003
		521
503	#ifdef _WIN32	522	#ifdef _WIN32
504	typedef signed char int8_t;	523	typedef signed char int8_t;
505	typedef unsigned char uint8_t;	524	typedef unsigned char uint8_t;
506	typedef signed short int16_t;	525	typedef signed short int16_t;
507	typedef unsigned short uint16_t;	526	typedef unsigned short uint16_t;
…		…
512	typedef unsigned long long uint64_t;	531	typedef unsigned long long uint64_t;
513	#else /* _MSC_VER || __BORLANDC__ */	532	#else /* _MSC_VER || __BORLANDC__ */
514	typedef signed __int64 int64_t;	533	typedef signed __int64 int64_t;
515	typedef unsigned __int64 uint64_t;	534	typedef unsigned __int64 uint64_t;
516	#endif	535	#endif
		536	#ifdef _WIN64
		537	#define ECB_PTRSIZE 8
		538	typedef uint64_t uintptr_t;
		539	typedef int64_t intptr_t;
		540	#else
		541	#define ECB_PTRSIZE 4
		542	typedef uint32_t uintptr_t;
		543	typedef int32_t intptr_t;
		544	#endif
517	#else	545	#else
518	#include <inttypes.h>	546	#include <inttypes.h>
		547	#if UINTMAX_MAX > 0xffffffffU
		548	#define ECB_PTRSIZE 8
		549	#else
		550	#define ECB_PTRSIZE 4
		551	#endif
		552	#endif
		553
		554	/* work around x32 idiocy by defining proper macros */
		555	#if __x86_64 || _M_AMD64
		556	#if _ILP32
		557	#define ECB_AMD64_X32 1
		558	#else
		559	#define ECB_AMD64 1
		560	#endif
519	#endif	561	#endif
520		562
521	/* many compilers define _GNUC_ to some versions but then only implement	563	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	564	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	565	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	566	* or so.
525	* we try to detect these and simply assume they are not gcc - if they have	567	* we try to detect these and simply assume they are not gcc - if they have
526	* an issue with that they should have done it right in the first place.	568	* an issue with that they should have done it right in the first place.
527	*/	569	*/
528	#ifndef ECB_GCC_VERSION	570	#ifndef ECB_GCC_VERSION
529	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	571	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
530	#define ECB_GCC_VERSION(major,minor) 0	572	#define ECB_GCC_VERSION(major,minor) 0
531	#else	573	#else
532	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	574	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533	#endif	575	#endif
534	#endif	576	#endif
535		577
		578	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		579	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		580	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		581	#define ECB_CPP (__cplusplus+0)
		582	#define ECB_CPP11 (__cplusplus >= 201103L)
		583
		584	#if ECB_CPP
		585	#define ECB_EXTERN_C extern "C"
		586	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		587	#define ECB_EXTERN_C_END }
		588	#else
		589	#define ECB_EXTERN_C extern
		590	#define ECB_EXTERN_C_BEG
		591	#define ECB_EXTERN_C_END
		592	#endif
		593
536	/*****************************************************************************/	594	/*****************************************************************************/
537		595
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	596	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
539	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	597	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		598
541	#if ECB_NO_THREADS || ECB_NO_SMP	599	#if ECB_NO_THREADS
		600	#define ECB_NO_SMP 1
		601	#endif
		602
		603	#if ECB_NO_SMP
542	#define ECB_MEMORY_FENCE do { } while (0)	604	#define ECB_MEMORY_FENCE do { } while (0)
543	#define ECB_MEMORY_FENCE_ACQUIRE do { } while (0)
544	#define ECB_MEMORY_FENCE_RELEASE do { } while (0)
545	#endif	605	#endif
546		606
547	#ifndef ECB_MEMORY_FENCE	607	#ifndef ECB_MEMORY_FENCE
548	#if ECB_GCC_VERSION(2,5)	608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
549	#if __x86	609	#if __i386 || __i386__
550	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	610	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
551	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
552	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553	#elif __amd64	613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
555	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	615	#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 */	616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		620	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		624	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		625	#elif __sparc || __sparc__
		626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		629	#elif defined __s390__ || defined __s390x__
		630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		631	#elif defined __mips__
		632	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		633	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		634	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		635	#elif defined __alpha__
		636	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		637	#elif defined __hppa__
		638	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		639	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		640	#elif defined __ia64__
		641	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		642	#elif defined __m68k__
		643	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		644	#elif defined __m88k__
		645	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		646	#elif defined __sh__
		647	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
557	#endif	648	#endif
558	#endif	649	#endif
559	#endif	650	#endif
560		651
561	#ifndef ECB_MEMORY_FENCE	652	#ifndef ECB_MEMORY_FENCE
562	#if ECB_GCC_VERSION(4,4)	653	#if ECB_GCC_VERSION(4,7)
		654	/* see comment below (stdatomic.h) about the C11 memory model. */
		655	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		656
		657	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		658	* without risking compile time errors with other compilers. We *could*
		659	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		660	* around this shit time and again.
		661	* #elif defined __clang && __has_feature (cxx_atomic)
		662	* // see comment below (stdatomic.h) about the C11 memory model.
		663	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		664	*/
		665
		666	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
563	#define ECB_MEMORY_FENCE __sync_synchronize ()	667	#define ECB_MEMORY_FENCE __sync_synchronize ()
564	#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); })
565	#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); })
566	#elif _MSC_VER >= 1400 /* VC++ 2005 */	668	#elif _MSC_VER >= 1400 /* VC++ 2005 */
567	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	669	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
568	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	670	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
569	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	671	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
570	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	672	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
571	#elif defined(_WIN32)	673	#elif defined _WIN32
572	#include <WinNT.h>	674	#include <WinNT.h>
573	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	675	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
574	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	676	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
575	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	677	#include <mbarrier.h>
		678	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		679	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		680	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		681	#elif __xlC__
		682	#define ECB_MEMORY_FENCE __sync ()
576	#endif	683	#endif
577	#endif	684	#endif
578		685
579	#ifndef ECB_MEMORY_FENCE	686	#ifndef ECB_MEMORY_FENCE
		687	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		688	/* we assume that these memory fences work on all variables/all memory accesses, */
		689	/* not just C11 atomics and atomic accesses */
		690	#include <stdatomic.h>
		691	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		692	/* any fence other than seq_cst, which isn't very efficient for us. */
		693	/* Why that is, we don't know - either the C11 memory model is quite useless */
		694	/* for most usages, or gcc and clang have a bug */
		695	/* I *currently* lean towards the latter, and inefficiently implement */
		696	/* all three of ecb's fences as a seq_cst fence */
		697	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		698	#endif
		699	#endif
		700
		701	#ifndef ECB_MEMORY_FENCE
		702	#if !ECB_AVOID_PTHREADS
580	/*	703	/*
581	* if you get undefined symbol references to pthread_mutex_lock,	704	* if you get undefined symbol references to pthread_mutex_lock,
582	* or failure to find pthread.h, then you should implement	705	* or failure to find pthread.h, then you should implement
583	* the ECB_MEMORY_FENCE operations for your cpu/compiler	706	* the ECB_MEMORY_FENCE operations for your cpu/compiler
584	* OR provide pthread.h and link against the posix thread library	707	* OR provide pthread.h and link against the posix thread library
585	* of your system.	708	* of your system.
586	*/	709	*/
587	#include <pthread.h>	710	#include <pthread.h>
588	#define ECB_NEEDS_PTHREADS 1	711	#define ECB_NEEDS_PTHREADS 1
589	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1	712	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
590		713
591	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	714	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
592	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	715	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		716	#endif
		717	#endif
		718
		719	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
593	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	720	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		721	#endif
		722
		723	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
594	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	724	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
595	#endif	725	#endif
596		726
597	/*****************************************************************************/	727	/*****************************************************************************/
598
599	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
600		728
601	#if __cplusplus	729	#if __cplusplus
602	#define ecb_inline static inline	730	#define ecb_inline static inline
603	#elif ECB_GCC_VERSION(2,5)	731	#elif ECB_GCC_VERSION(2,5)
604	#define ecb_inline static __inline__	732	#define ecb_inline static __inline__
…		…
643	#elif ECB_GCC_VERSION(3,0)	771	#elif ECB_GCC_VERSION(3,0)
644	#define ecb_decltype(x) __typeof(x)	772	#define ecb_decltype(x) __typeof(x)
645	#endif	773	#endif
646		774
647	#define ecb_noinline ecb_attribute ((__noinline__))	775	#define ecb_noinline ecb_attribute ((__noinline__))
648	#define ecb_noreturn ecb_attribute ((__noreturn__))
649	#define ecb_unused ecb_attribute ((__unused__))	776	#define ecb_unused ecb_attribute ((__unused__))
650	#define ecb_const ecb_attribute ((__const__))	777	#define ecb_const ecb_attribute ((__const__))
651	#define ecb_pure ecb_attribute ((__pure__))	778	#define ecb_pure ecb_attribute ((__pure__))
		779
		780	#if ECB_C11
		781	#define ecb_noreturn _Noreturn
		782	#else
		783	#define ecb_noreturn ecb_attribute ((__noreturn__))
		784	#endif
652		785
653	#if ECB_GCC_VERSION(4,3)	786	#if ECB_GCC_VERSION(4,3)
654	#define ecb_artificial ecb_attribute ((__artificial__))	787	#define ecb_artificial ecb_attribute ((__artificial__))
655	#define ecb_hot ecb_attribute ((__hot__))	788	#define ecb_hot ecb_attribute ((__hot__))
656	#define ecb_cold ecb_attribute ((__cold__))	789	#define ecb_cold ecb_attribute ((__cold__))
…		…
747		880
748	return r + ecb_ld32 (x);	881	return r + ecb_ld32 (x);
749	}	882	}
750	#endif	883	#endif
751		884
		885	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		886	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		887	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		888	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		889
		890	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		891	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		892	{
		893	return ( (x * 0x0802U & 0x22110U)
		894	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		895	}
		896
		897	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		898	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		899	{
		900	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		901	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		902	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		903	x = ( x >> 8 ) | ( x << 8);
		904
		905	return x;
		906	}
		907
		908	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		909	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		910	{
		911	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		912	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		913	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		914	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		915	x = ( x >> 16 ) | ( x << 16);
		916
		917	return x;
		918	}
		919
752	/* popcount64 is only available on 64 bit cpus as gcc builtin */	920	/* popcount64 is only available on 64 bit cpus as gcc builtin */
753	/* so for this version we are lazy */	921	/* so for this version we are lazy */
754	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	922	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
755	ecb_function_ int	923	ecb_function_ int
756	ecb_popcount64 (uint64_t x)	924	ecb_popcount64 (uint64_t x)
…		…
805		973
806	#if ECB_GCC_VERSION(4,5)	974	#if ECB_GCC_VERSION(4,5)
807	#define ecb_unreachable() __builtin_unreachable ()	975	#define ecb_unreachable() __builtin_unreachable ()
808	#else	976	#else
809	/* this seems to work fine, but gcc always emits a warning for it :/ */	977	/* this seems to work fine, but gcc always emits a warning for it :/ */
810	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	978	ecb_inline void ecb_unreachable (void) ecb_noreturn;
811	ecb_function_ void ecb_unreachable (void) { }	979	ecb_inline void ecb_unreachable (void) { }
812	#endif	980	#endif
813		981
814	/* try to tell the compiler that some condition is definitely true */	982	/* try to tell the compiler that some condition is definitely true */
815	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	983	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
816		984
817	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	985	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
818	ecb_function_ unsigned char	986	ecb_inline unsigned char
819	ecb_byteorder_helper (void)	987	ecb_byteorder_helper (void)
820	{	988	{
821	const uint32_t u = 0x11223344;	989	/* the union code still generates code under pressure in gcc, */
822	return *(unsigned char *)&u;	990	/* but less than using pointers, and always seems to */
		991	/* successfully return a constant. */
		992	/* the reason why we have this horrible preprocessor mess */
		993	/* is to avoid it in all cases, at least on common architectures */
		994	/* or when using a recent enough gcc version (>= 4.6) */
		995	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		996	return 0x44;
		997	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		998	return 0x44;
		999	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1000	return 0x11;
		1001	#else
		1002	union
		1003	{
		1004	uint32_t i;
		1005	uint8_t c;
		1006	} u = { 0x11223344 };
		1007	return u.c;
		1008	#endif
823	}	1009	}
824		1010
825	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1011	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
826	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1012	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
827	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1013	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
828	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1014	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
829		1015
830	#if ECB_GCC_VERSION(3,0) || ECB_C99	1016	#if ECB_GCC_VERSION(3,0) || ECB_C99
831	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1017	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
832	#else	1018	#else
833	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1019	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1020	#endif
		1021
		1022	#if __cplusplus
		1023	template<typename T>
		1024	static inline T ecb_div_rd (T val, T div)
		1025	{
		1026	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1027	}
		1028	template<typename T>
		1029	static inline T ecb_div_ru (T val, T div)
		1030	{
		1031	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1032	}
		1033	#else
		1034	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1035	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
834	#endif	1036	#endif
835		1037
836	#if ecb_cplusplus_does_not_suck	1038	#if ecb_cplusplus_does_not_suck
837	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */	1039	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
838	template<typename T, int N>	1040	template<typename T, int N>
…		…
842	}	1044	}
843	#else	1045	#else
844	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1046	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
845	#endif	1047	#endif
846		1048
		1049	/*******************************************************************************/
		1050	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1051
		1052	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1053	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1054	#if 0 \
		1055	|| __i386 || __i386__ \
		1056	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1057	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1058	|| defined __arm__ && defined __ARM_EABI__ \
		1059	|| defined __s390__ || defined __s390x__ \
		1060	|| defined __mips__ \
		1061	|| defined __alpha__ \
		1062	|| defined __hppa__ \
		1063	|| defined __ia64__ \
		1064	|| defined __m68k__ \
		1065	|| defined __m88k__ \
		1066	|| defined __sh__ \
		1067	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1068	#define ECB_STDFP 1
		1069	#include <string.h> /* for memcpy */
		1070	#else
		1071	#define ECB_STDFP 0
		1072	#endif
		1073
		1074	#ifndef ECB_NO_LIBM
		1075
		1076	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1077
		1078	#ifdef NEN
		1079	#define ECB_NAN NAN
		1080	#else
		1081	#define ECB_NAN INFINITY
		1082	#endif
		1083
		1084	/* converts an ieee half/binary16 to a float */
		1085	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
		1086	ecb_function_ float
		1087	ecb_binary16_to_float (uint16_t x)
		1088	{
		1089	int e = (x >> 10) & 0x1f;
		1090	int m = x & 0x3ff;
		1091	float r;
		1092
		1093	if (!e ) r = ldexpf (m , -24);
		1094	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
		1095	else if (m ) r = ECB_NAN;
		1096	else r = INFINITY;
		1097
		1098	return x & 0x8000 ? -r : r;
		1099	}
		1100
		1101	/* convert a float to ieee single/binary32 */
		1102	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1103	ecb_function_ uint32_t
		1104	ecb_float_to_binary32 (float x)
		1105	{
		1106	uint32_t r;
		1107
		1108	#if ECB_STDFP
		1109	memcpy (&r, &x, 4);
		1110	#else
		1111	/* slow emulation, works for anything but -0 */
		1112	uint32_t m;
		1113	int e;
		1114
		1115	if (x == 0e0f ) return 0x00000000U;
		1116	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1117	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1118	if (x != x ) return 0x7fbfffffU;
		1119
		1120	m = frexpf (x, &e) * 0x1000000U;
		1121
		1122	r = m & 0x80000000U;
		1123
		1124	if (r)
		1125	m = -m;
		1126
		1127	if (e <= -126)
		1128	{
		1129	m &= 0xffffffU;
		1130	m >>= (-125 - e);
		1131	e = -126;
		1132	}
		1133
		1134	r |= (e + 126) << 23;
		1135	r |= m & 0x7fffffU;
		1136	#endif
		1137
		1138	return r;
		1139	}
		1140
		1141	/* converts an ieee single/binary32 to a float */
		1142	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1143	ecb_function_ float
		1144	ecb_binary32_to_float (uint32_t x)
		1145	{
		1146	float r;
		1147
		1148	#if ECB_STDFP
		1149	memcpy (&r, &x, 4);
		1150	#else
		1151	/* emulation, only works for normals and subnormals and +0 */
		1152	int neg = x >> 31;
		1153	int e = (x >> 23) & 0xffU;
		1154
		1155	x &= 0x7fffffU;
		1156
		1157	if (e)
		1158	x |= 0x800000U;
		1159	else
		1160	e = 1;
		1161
		1162	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1163	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1164
		1165	r = neg ? -r : r;
		1166	#endif
		1167
		1168	return r;
		1169	}
		1170
		1171	/* convert a double to ieee double/binary64 */
		1172	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1173	ecb_function_ uint64_t
		1174	ecb_double_to_binary64 (double x)
		1175	{
		1176	uint64_t r;
		1177
		1178	#if ECB_STDFP
		1179	memcpy (&r, &x, 8);
		1180	#else
		1181	/* slow emulation, works for anything but -0 */
		1182	uint64_t m;
		1183	int e;
		1184
		1185	if (x == 0e0 ) return 0x0000000000000000U;
		1186	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1187	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1188	if (x != x ) return 0X7ff7ffffffffffffU;
		1189
		1190	m = frexp (x, &e) * 0x20000000000000U;
		1191
		1192	r = m & 0x8000000000000000;;
		1193
		1194	if (r)
		1195	m = -m;
		1196
		1197	if (e <= -1022)
		1198	{
		1199	m &= 0x1fffffffffffffU;
		1200	m >>= (-1021 - e);
		1201	e = -1022;
		1202	}
		1203
		1204	r |= ((uint64_t)(e + 1022)) << 52;
		1205	r |= m & 0xfffffffffffffU;
		1206	#endif
		1207
		1208	return r;
		1209	}
		1210
		1211	/* converts an ieee double/binary64 to a double */
		1212	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1213	ecb_function_ double
		1214	ecb_binary64_to_double (uint64_t x)
		1215	{
		1216	double r;
		1217
		1218	#if ECB_STDFP
		1219	memcpy (&r, &x, 8);
		1220	#else
		1221	/* emulation, only works for normals and subnormals and +0 */
		1222	int neg = x >> 63;
		1223	int e = (x >> 52) & 0x7ffU;
		1224
		1225	x &= 0xfffffffffffffU;
		1226
		1227	if (e)
		1228	x |= 0x10000000000000U;
		1229	else
		1230	e = 1;
		1231
		1232	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1233	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1234
		1235	r = neg ? -r : r;
		1236	#endif
		1237
		1238	return r;
		1239	}
		1240
		1241	#endif
		1242
847	#endif	1243	#endif
848		1244
849	/* ECB.H END */	1245	/* ECB.H END */
		1246
		1247	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1248	/* if your architecture doesn't need memory fences, e.g. because it is
		1249	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1250	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1251	* libev, in which cases the memory fences become nops.
		1252	* alternatively, you can remove this #error and link against libpthread,
		1253	* which will then provide the memory fences.
		1254	*/
		1255	# error "memory fences not defined for your architecture, please report"
		1256	#endif
		1257
		1258	#ifndef ECB_MEMORY_FENCE
		1259	# define ECB_MEMORY_FENCE do { } while (0)
		1260	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1261	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		1262	#endif
850		1263
851	#define expect_false(cond) ecb_expect_false (cond)	1264	#define expect_false(cond) ecb_expect_false (cond)
852	#define expect_true(cond) ecb_expect_true (cond)	1265	#define expect_true(cond) ecb_expect_true (cond)
853	#define noinline ecb_noinline	1266	#define noinline ecb_noinline
854		1267
…		…
1000	{	1413	{
1001	write (STDERR_FILENO, msg, strlen (msg));	1414	write (STDERR_FILENO, msg, strlen (msg));
1002	}	1415	}
1003	#endif	1416	#endif
1004		1417
1005	static void (*syserr_cb)(const char *msg);	1418	static void (*syserr_cb)(const char *msg) EV_THROW;
1006		1419
1007	void ecb_cold	1420	void ecb_cold
1008	ev_set_syserr_cb (void (*cb)(const char *msg))	1421	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1009	{	1422	{
1010	syserr_cb = cb;	1423	syserr_cb = cb;
1011	}	1424	}
1012		1425
1013	static void noinline ecb_cold	1426	static void noinline ecb_cold
…		…
1031	abort ();	1444	abort ();
1032	}	1445	}
1033	}	1446	}
1034		1447
1035	static void *	1448	static void *
1036	ev_realloc_emul (void *ptr, long size)	1449	ev_realloc_emul (void *ptr, long size) EV_THROW
1037	{	1450	{
1038	#if __GLIBC__
1039	return realloc (ptr, size);
1040	#else
1041	/* some systems, notably openbsd and darwin, fail to properly	1451	/* some systems, notably openbsd and darwin, fail to properly
1042	* implement realloc (x, 0) (as required by both ansi c-89 and	1452	* implement realloc (x, 0) (as required by both ansi c-89 and
1043	* the single unix specification, so work around them here.	1453	* the single unix specification, so work around them here.
		1454	* recently, also (at least) fedora and debian started breaking it,
		1455	* despite documenting it otherwise.
1044	*/	1456	*/
1045		1457
1046	if (size)	1458	if (size)
1047	return realloc (ptr, size);	1459	return realloc (ptr, size);
1048		1460
1049	free (ptr);	1461	free (ptr);
1050	return 0;	1462	return 0;
1051	#endif
1052	}	1463	}
1053		1464
1054	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1465	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1055		1466
1056	void ecb_cold	1467	void ecb_cold
1057	ev_set_allocator (void *(*cb)(void *ptr, long size))	1468	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1058	{	1469	{
1059	alloc = cb;	1470	alloc = cb;
1060	}	1471	}
1061		1472
1062	inline_speed void *	1473	inline_speed void *
…		…
1150	#undef VAR	1561	#undef VAR
1151	};	1562	};
1152	#include "ev_wrap.h"	1563	#include "ev_wrap.h"
1153		1564
1154	static struct ev_loop default_loop_struct;	1565	static struct ev_loop default_loop_struct;
1155	struct ev_loop *ev_default_loop_ptr;	1566	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1156		1567
1157	#else	1568	#else
1158		1569
1159	ev_tstamp ev_rt_now;	1570	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1160	#define VAR(name,decl) static decl;	1571	#define VAR(name,decl) static decl;
1161	#include "ev_vars.h"	1572	#include "ev_vars.h"
1162	#undef VAR	1573	#undef VAR
1163		1574
1164	static int ev_default_loop_ptr;	1575	static int ev_default_loop_ptr;
…		…
1179		1590
1180	/*****************************************************************************/	1591	/*****************************************************************************/
1181		1592
1182	#ifndef EV_HAVE_EV_TIME	1593	#ifndef EV_HAVE_EV_TIME
1183	ev_tstamp	1594	ev_tstamp
1184	ev_time (void)	1595	ev_time (void) EV_THROW
1185	{	1596	{
1186	#if EV_USE_REALTIME	1597	#if EV_USE_REALTIME
1187	if (expect_true (have_realtime))	1598	if (expect_true (have_realtime))
1188	{	1599	{
1189	struct timespec ts;	1600	struct timespec ts;
…		…
1213	return ev_time ();	1624	return ev_time ();
1214	}	1625	}
1215		1626
1216	#if EV_MULTIPLICITY	1627	#if EV_MULTIPLICITY
1217	ev_tstamp	1628	ev_tstamp
1218	ev_now (EV_P)	1629	ev_now (EV_P) EV_THROW
1219	{	1630	{
1220	return ev_rt_now;	1631	return ev_rt_now;
1221	}	1632	}
1222	#endif	1633	#endif
1223		1634
1224	void	1635	void
1225	ev_sleep (ev_tstamp delay)	1636	ev_sleep (ev_tstamp delay) EV_THROW
1226	{	1637	{
1227	if (delay > 0.)	1638	if (delay > 0.)
1228	{	1639	{
1229	#if EV_USE_NANOSLEEP	1640	#if EV_USE_NANOSLEEP
1230	struct timespec ts;	1641	struct timespec ts;
1231		1642
1232	EV_TS_SET (ts, delay);	1643	EV_TS_SET (ts, delay);
1233	nanosleep (&ts, 0);	1644	nanosleep (&ts, 0);
1234	#elif defined(_WIN32)	1645	#elif defined _WIN32
1235	Sleep ((unsigned long)(delay * 1e3));	1646	Sleep ((unsigned long)(delay * 1e3));
1236	#else	1647	#else
1237	struct timeval tv;	1648	struct timeval tv;
1238		1649
1239	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1650	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1258		1669
1259	do	1670	do
1260	ncur <<= 1;	1671	ncur <<= 1;
1261	while (cnt > ncur);	1672	while (cnt > ncur);
1262		1673
1263	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1674	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1264	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1675	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1265	{	1676	{
1266	ncur *= elem;	1677	ncur *= elem;
1267	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1678	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1268	ncur = ncur - sizeof (void *) * 4;	1679	ncur = ncur - sizeof (void *) * 4;
…		…
1311	pendingcb (EV_P_ ev_prepare *w, int revents)	1722	pendingcb (EV_P_ ev_prepare *w, int revents)
1312	{	1723	{
1313	}	1724	}
1314		1725
1315	void noinline	1726	void noinline
1316	ev_feed_event (EV_P_ void *w, int revents)	1727	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1317	{	1728	{
1318	W w_ = (W)w;	1729	W w_ = (W)w;
1319	int pri = ABSPRI (w_);	1730	int pri = ABSPRI (w_);
1320		1731
1321	if (expect_false (w_->pending))	1732	if (expect_false (w_->pending))
…		…
1325	w_->pending = ++pendingcnt [pri];	1736	w_->pending = ++pendingcnt [pri];
1326	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1737	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1327	pendings [pri][w_->pending - 1].w = w_;	1738	pendings [pri][w_->pending - 1].w = w_;
1328	pendings [pri][w_->pending - 1].events = revents;	1739	pendings [pri][w_->pending - 1].events = revents;
1329	}	1740	}
		1741
		1742	pendingpri = NUMPRI - 1;
1330	}	1743	}
1331		1744
1332	inline_speed void	1745	inline_speed void
1333	feed_reverse (EV_P_ W w)	1746	feed_reverse (EV_P_ W w)
1334	{	1747	{
…		…
1380	if (expect_true (!anfd->reify))	1793	if (expect_true (!anfd->reify))
1381	fd_event_nocheck (EV_A_ fd, revents);	1794	fd_event_nocheck (EV_A_ fd, revents);
1382	}	1795	}
1383		1796
1384	void	1797	void
1385	ev_feed_fd_event (EV_P_ int fd, int revents)	1798	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1386	{	1799	{
1387	if (fd >= 0 && fd < anfdmax)	1800	if (fd >= 0 && fd < anfdmax)
1388	fd_event_nocheck (EV_A_ fd, revents);	1801	fd_event_nocheck (EV_A_ fd, revents);
1389	}	1802	}
1390		1803
…		…
1709	static void noinline ecb_cold	2122	static void noinline ecb_cold
1710	evpipe_init (EV_P)	2123	evpipe_init (EV_P)
1711	{	2124	{
1712	if (!ev_is_active (&pipe_w))	2125	if (!ev_is_active (&pipe_w))
1713	{	2126	{
		2127	int fds [2];
		2128
1714	# if EV_USE_EVENTFD	2129	# if EV_USE_EVENTFD
		2130	fds [0] = -1;
1715	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2131	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1716	if (evfd < 0 && errno == EINVAL)	2132	if (fds [1] < 0 && errno == EINVAL)
1717	evfd = eventfd (0, 0);	2133	fds [1] = eventfd (0, 0);
1718		2134
1719	if (evfd >= 0)	2135	if (fds [1] < 0)
		2136	# endif
1720	{	2137	{
		2138	while (pipe (fds))
		2139	ev_syserr ("(libev) error creating signal/async pipe");
		2140
		2141	fd_intern (fds [0]);
		2142	}
		2143
1721	evpipe [0] = -1;	2144	evpipe [0] = fds [0];
1722	fd_intern (evfd); /* doing it twice doesn't hurt */	2145
1723	ev_io_set (&pipe_w, evfd, EV_READ);	2146	if (evpipe [1] < 0)
		2147	evpipe [1] = fds [1]; /* first call, set write fd */
		2148	else
		2149	{
		2150	/* on subsequent calls, do not change evpipe [1] */
		2151	/* so that evpipe_write can always rely on its value. */
		2152	/* this branch does not do anything sensible on windows, */
		2153	/* so must not be executed on windows */
		2154
		2155	dup2 (fds [1], evpipe [1]);
		2156	close (fds [1]);
		2157	}
		2158
		2159	fd_intern (evpipe [1]);
		2160
		2161	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2162	ev_io_start (EV_A_ &pipe_w);
		2163	ev_unref (EV_A); /* watcher should not keep loop alive */
		2164	}
		2165	}
		2166
		2167	inline_speed void
		2168	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2169	{
		2170	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2171
		2172	if (expect_true (*flag))
		2173	return;
		2174
		2175	*flag = 1;
		2176	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2177
		2178	pipe_write_skipped = 1;
		2179
		2180	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2181
		2182	if (pipe_write_wanted)
		2183	{
		2184	int old_errno;
		2185
		2186	pipe_write_skipped = 0;
		2187	ECB_MEMORY_FENCE_RELEASE;
		2188
		2189	old_errno = errno; /* save errno because write will clobber it */
		2190
		2191	#if EV_USE_EVENTFD
		2192	if (evpipe [0] < 0)
		2193	{
		2194	uint64_t counter = 1;
		2195	write (evpipe [1], &counter, sizeof (uint64_t));
1724	}	2196	}
1725	else	2197	else
1726	# endif	2198	#endif
1727	{	2199	{
1728	while (pipe (evpipe))	2200	#ifdef _WIN32
1729	ev_syserr ("(libev) error creating signal/async pipe");	2201	WSABUF buf;
1730		2202	DWORD sent;
1731	fd_intern (evpipe [0]);	2203	buf.buf = &buf;
1732	fd_intern (evpipe [1]);	2204	buf.len = 1;
1733	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2205	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1734	}	2206	#else
1735
1736	ev_io_start (EV_A_ &pipe_w);
1737	ev_unref (EV_A); /* watcher should not keep loop alive */
1738	}
1739	}
1740
1741	inline_speed void
1742	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1743	{
1744	if (expect_true (*flag))
1745	return;
1746
1747	*flag = 1;
1748
1749	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1750
1751	pipe_write_skipped = 1;
1752
1753	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1754
1755	if (pipe_write_wanted)
1756	{
1757	int old_errno;
1758
1759	pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
1760
1761	old_errno = errno; /* save errno because write will clobber it */
1762
1763	#if EV_USE_EVENTFD
1764	if (evfd >= 0)
1765	{
1766	uint64_t counter = 1;
1767	write (evfd, &counter, sizeof (uint64_t));
1768	}
1769	else
1770	#endif
1771	{
1772	/* win32 people keep sending patches that change this write() to send() */
1773	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1774	/* so when you think this write should be a send instead, please find out */
1775	/* where your send() is from - it's definitely not the microsoft send, and */
1776	/* tell me. thank you. */
1777	write (evpipe [1], &(evpipe [1]), 1);	2207	write (evpipe [1], &(evpipe [1]), 1);
		2208	#endif
1778	}	2209	}
1779		2210
1780	errno = old_errno;	2211	errno = old_errno;
1781	}	2212	}
1782	}	2213	}
…		…
1789	int i;	2220	int i;
1790		2221
1791	if (revents & EV_READ)	2222	if (revents & EV_READ)
1792	{	2223	{
1793	#if EV_USE_EVENTFD	2224	#if EV_USE_EVENTFD
1794	if (evfd >= 0)	2225	if (evpipe [0] < 0)
1795	{	2226	{
1796	uint64_t counter;	2227	uint64_t counter;
1797	read (evfd, &counter, sizeof (uint64_t));	2228	read (evpipe [1], &counter, sizeof (uint64_t));
1798	}	2229	}
1799	else	2230	else
1800	#endif	2231	#endif
1801	{	2232	{
1802	char dummy;	2233	char dummy[4];
1803	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2234	#ifdef _WIN32
		2235	WSABUF buf;
		2236	DWORD recvd;
		2237	DWORD flags = 0;
		2238	buf.buf = dummy;
		2239	buf.len = sizeof (dummy);
		2240	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2241	#else
1804	read (evpipe [0], &dummy, 1);	2242	read (evpipe [0], &dummy, sizeof (dummy));
		2243	#endif
1805	}	2244	}
1806	}	2245	}
1807		2246
1808	pipe_write_skipped = 0;	2247	pipe_write_skipped = 0;
		2248
		2249	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1809		2250
1810	#if EV_SIGNAL_ENABLE	2251	#if EV_SIGNAL_ENABLE
1811	if (sig_pending)	2252	if (sig_pending)
1812	{	2253	{
1813	sig_pending = 0;	2254	sig_pending = 0;
		2255
		2256	ECB_MEMORY_FENCE;
1814		2257
1815	for (i = EV_NSIG - 1; i--; )	2258	for (i = EV_NSIG - 1; i--; )
1816	if (expect_false (signals [i].pending))	2259	if (expect_false (signals [i].pending))
1817	ev_feed_signal_event (EV_A_ i + 1);	2260	ev_feed_signal_event (EV_A_ i + 1);
1818	}	2261	}
…		…
1820		2263
1821	#if EV_ASYNC_ENABLE	2264	#if EV_ASYNC_ENABLE
1822	if (async_pending)	2265	if (async_pending)
1823	{	2266	{
1824	async_pending = 0;	2267	async_pending = 0;
		2268
		2269	ECB_MEMORY_FENCE;
1825		2270
1826	for (i = asynccnt; i--; )	2271	for (i = asynccnt; i--; )
1827	if (asyncs [i]->sent)	2272	if (asyncs [i]->sent)
1828	{	2273	{
1829	asyncs [i]->sent = 0;	2274	asyncs [i]->sent = 0;
		2275	ECB_MEMORY_FENCE_RELEASE;
1830	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2276	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1831	}	2277	}
1832	}	2278	}
1833	#endif	2279	#endif
1834	}	2280	}
1835		2281
1836	/*****************************************************************************/	2282	/*****************************************************************************/
1837		2283
1838	void	2284	void
1839	ev_feed_signal (int signum)	2285	ev_feed_signal (int signum) EV_THROW
1840	{	2286	{
1841	#if EV_MULTIPLICITY	2287	#if EV_MULTIPLICITY
		2288	EV_P;
		2289	ECB_MEMORY_FENCE_ACQUIRE;
1842	EV_P = signals [signum - 1].loop;	2290	EV_A = signals [signum - 1].loop;
1843		2291
1844	if (!EV_A)	2292	if (!EV_A)
1845	return;	2293	return;
1846	#endif	2294	#endif
1847		2295
1848	if (!ev_active (&pipe_w))
1849	return;
1850
1851	signals [signum - 1].pending = 1;	2296	signals [signum - 1].pending = 1;
1852	evpipe_write (EV_A_ &sig_pending);	2297	evpipe_write (EV_A_ &sig_pending);
1853	}	2298	}
1854		2299
1855	static void	2300	static void
…		…
1861		2306
1862	ev_feed_signal (signum);	2307	ev_feed_signal (signum);
1863	}	2308	}
1864		2309
1865	void noinline	2310	void noinline
1866	ev_feed_signal_event (EV_P_ int signum)	2311	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1867	{	2312	{
1868	WL w;	2313	WL w;
1869		2314
1870	if (expect_false (signum <= 0 || signum > EV_NSIG))	2315	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1871	return;	2316	return;
1872		2317
1873	--signum;	2318	--signum;
1874		2319
1875	#if EV_MULTIPLICITY	2320	#if EV_MULTIPLICITY
…		…
1879	if (expect_false (signals [signum].loop != EV_A))	2324	if (expect_false (signals [signum].loop != EV_A))
1880	return;	2325	return;
1881	#endif	2326	#endif
1882		2327
1883	signals [signum].pending = 0;	2328	signals [signum].pending = 0;
		2329	ECB_MEMORY_FENCE_RELEASE;
1884		2330
1885	for (w = signals [signum].head; w; w = w->next)	2331	for (w = signals [signum].head; w; w = w->next)
1886	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2332	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1887	}	2333	}
1888		2334
…		…
1987	#if EV_USE_SELECT	2433	#if EV_USE_SELECT
1988	# include "ev_select.c"	2434	# include "ev_select.c"
1989	#endif	2435	#endif
1990		2436
1991	int ecb_cold	2437	int ecb_cold
1992	ev_version_major (void)	2438	ev_version_major (void) EV_THROW
1993	{	2439	{
1994	return EV_VERSION_MAJOR;	2440	return EV_VERSION_MAJOR;
1995	}	2441	}
1996		2442
1997	int ecb_cold	2443	int ecb_cold
1998	ev_version_minor (void)	2444	ev_version_minor (void) EV_THROW
1999	{	2445	{
2000	return EV_VERSION_MINOR;	2446	return EV_VERSION_MINOR;
2001	}	2447	}
2002		2448
2003	/* return true if we are running with elevated privileges and should ignore env variables */	2449	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2011	|| getgid () != getegid ();	2457	|| getgid () != getegid ();
2012	#endif	2458	#endif
2013	}	2459	}
2014		2460
2015	unsigned int ecb_cold	2461	unsigned int ecb_cold
2016	ev_supported_backends (void)	2462	ev_supported_backends (void) EV_THROW
2017	{	2463	{
2018	unsigned int flags = 0;	2464	unsigned int flags = 0;
2019		2465
2020	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2466	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2021	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2467	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2025		2471
2026	return flags;	2472	return flags;
2027	}	2473	}
2028		2474
2029	unsigned int ecb_cold	2475	unsigned int ecb_cold
2030	ev_recommended_backends (void)	2476	ev_recommended_backends (void) EV_THROW
2031	{	2477	{
2032	unsigned int flags = ev_supported_backends ();	2478	unsigned int flags = ev_supported_backends ();
2033		2479
2034	#ifndef __NetBSD__	2480	#ifndef __NetBSD__
2035	/* kqueue is borked on everything but netbsd apparently */	2481	/* kqueue is borked on everything but netbsd apparently */
…		…
2047		2493
2048	return flags;	2494	return flags;
2049	}	2495	}
2050		2496
2051	unsigned int ecb_cold	2497	unsigned int ecb_cold
2052	ev_embeddable_backends (void)	2498	ev_embeddable_backends (void) EV_THROW
2053	{	2499	{
2054	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2500	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2055		2501
2056	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2502	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2057	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2503	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2059		2505
2060	return flags;	2506	return flags;
2061	}	2507	}
2062		2508
2063	unsigned int	2509	unsigned int
2064	ev_backend (EV_P)	2510	ev_backend (EV_P) EV_THROW
2065	{	2511	{
2066	return backend;	2512	return backend;
2067	}	2513	}
2068		2514
2069	#if EV_FEATURE_API	2515	#if EV_FEATURE_API
2070	unsigned int	2516	unsigned int
2071	ev_iteration (EV_P)	2517	ev_iteration (EV_P) EV_THROW
2072	{	2518	{
2073	return loop_count;	2519	return loop_count;
2074	}	2520	}
2075		2521
2076	unsigned int	2522	unsigned int
2077	ev_depth (EV_P)	2523	ev_depth (EV_P) EV_THROW
2078	{	2524	{
2079	return loop_depth;	2525	return loop_depth;
2080	}	2526	}
2081		2527
2082	void	2528	void
2083	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2529	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2084	{	2530	{
2085	io_blocktime = interval;	2531	io_blocktime = interval;
2086	}	2532	}
2087		2533
2088	void	2534	void
2089	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2535	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2090	{	2536	{
2091	timeout_blocktime = interval;	2537	timeout_blocktime = interval;
2092	}	2538	}
2093		2539
2094	void	2540	void
2095	ev_set_userdata (EV_P_ void *data)	2541	ev_set_userdata (EV_P_ void *data) EV_THROW
2096	{	2542	{
2097	userdata = data;	2543	userdata = data;
2098	}	2544	}
2099		2545
2100	void *	2546	void *
2101	ev_userdata (EV_P)	2547	ev_userdata (EV_P) EV_THROW
2102	{	2548	{
2103	return userdata;	2549	return userdata;
2104	}	2550	}
2105		2551
2106	void	2552	void
2107	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2553	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2108	{	2554	{
2109	invoke_cb = invoke_pending_cb;	2555	invoke_cb = invoke_pending_cb;
2110	}	2556	}
2111		2557
2112	void	2558	void
2113	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2559	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2114	{	2560	{
2115	release_cb = release;	2561	release_cb = release;
2116	acquire_cb = acquire;	2562	acquire_cb = acquire;
2117	}	2563	}
2118	#endif	2564	#endif
2119		2565
2120	/* initialise a loop structure, must be zero-initialised */	2566	/* initialise a loop structure, must be zero-initialised */
2121	static void noinline ecb_cold	2567	static void noinline ecb_cold
2122	loop_init (EV_P_ unsigned int flags)	2568	loop_init (EV_P_ unsigned int flags) EV_THROW
2123	{	2569	{
2124	if (!backend)	2570	if (!backend)
2125	{	2571	{
2126	origflags = flags;	2572	origflags = flags;
2127		2573
…		…
2172	#if EV_ASYNC_ENABLE	2618	#if EV_ASYNC_ENABLE
2173	async_pending = 0;	2619	async_pending = 0;
2174	#endif	2620	#endif
2175	pipe_write_skipped = 0;	2621	pipe_write_skipped = 0;
2176	pipe_write_wanted = 0;	2622	pipe_write_wanted = 0;
		2623	evpipe [0] = -1;
		2624	evpipe [1] = -1;
2177	#if EV_USE_INOTIFY	2625	#if EV_USE_INOTIFY
2178	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2626	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2179	#endif	2627	#endif
2180	#if EV_USE_SIGNALFD	2628	#if EV_USE_SIGNALFD
2181	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2629	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2232	EV_INVOKE_PENDING;	2680	EV_INVOKE_PENDING;
2233	}	2681	}
2234	#endif	2682	#endif
2235		2683
2236	#if EV_CHILD_ENABLE	2684	#if EV_CHILD_ENABLE
2237	if (ev_is_active (&childev))	2685	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2238	{	2686	{
2239	ev_ref (EV_A); /* child watcher */	2687	ev_ref (EV_A); /* child watcher */
2240	ev_signal_stop (EV_A_ &childev);	2688	ev_signal_stop (EV_A_ &childev);
2241	}	2689	}
2242	#endif	2690	#endif
…		…
2244	if (ev_is_active (&pipe_w))	2692	if (ev_is_active (&pipe_w))
2245	{	2693	{
2246	/*ev_ref (EV_A);*/	2694	/*ev_ref (EV_A);*/
2247	/*ev_io_stop (EV_A_ &pipe_w);*/	2695	/*ev_io_stop (EV_A_ &pipe_w);*/
2248		2696
2249	#if EV_USE_EVENTFD
2250	if (evfd >= 0)
2251	close (evfd);
2252	#endif
2253
2254	if (evpipe [0] >= 0)
2255	{
2256	EV_WIN32_CLOSE_FD (evpipe [0]);	2697	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2257	EV_WIN32_CLOSE_FD (evpipe [1]);	2698	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2258	}
2259	}	2699	}
2260		2700
2261	#if EV_USE_SIGNALFD	2701	#if EV_USE_SIGNALFD
2262	if (ev_is_active (&sigfd_w))	2702	if (ev_is_active (&sigfd_w))
2263	close (sigfd);	2703	close (sigfd);
…		…
2349	#endif	2789	#endif
2350	#if EV_USE_INOTIFY	2790	#if EV_USE_INOTIFY
2351	infy_fork (EV_A);	2791	infy_fork (EV_A);
2352	#endif	2792	#endif
2353		2793
		2794	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2354	if (ev_is_active (&pipe_w))	2795	if (ev_is_active (&pipe_w))
2355	{	2796	{
2356	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2797	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2357		2798
2358	ev_ref (EV_A);	2799	ev_ref (EV_A);
2359	ev_io_stop (EV_A_ &pipe_w);	2800	ev_io_stop (EV_A_ &pipe_w);
2360		2801
2361	#if EV_USE_EVENTFD
2362	if (evfd >= 0)
2363	close (evfd);
2364	#endif
2365
2366	if (evpipe [0] >= 0)	2802	if (evpipe [0] >= 0)
2367	{
2368	EV_WIN32_CLOSE_FD (evpipe [0]);	2803	EV_WIN32_CLOSE_FD (evpipe [0]);
2369	EV_WIN32_CLOSE_FD (evpipe [1]);
2370	}
2371		2804
2372	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2373	evpipe_init (EV_A);	2805	evpipe_init (EV_A);
2374	/* now iterate over everything, in case we missed something */	2806	/* iterate over everything, in case we missed something before */
2375	pipecb (EV_A_ &pipe_w, EV_READ);	2807	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2376	#endif
2377	}	2808	}
		2809	#endif
2378		2810
2379	postfork = 0;	2811	postfork = 0;
2380	}	2812	}
2381		2813
2382	#if EV_MULTIPLICITY	2814	#if EV_MULTIPLICITY
2383		2815
2384	struct ev_loop * ecb_cold	2816	struct ev_loop * ecb_cold
2385	ev_loop_new (unsigned int flags)	2817	ev_loop_new (unsigned int flags) EV_THROW
2386	{	2818	{
2387	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2819	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2388		2820
2389	memset (EV_A, 0, sizeof (struct ev_loop));	2821	memset (EV_A, 0, sizeof (struct ev_loop));
2390	loop_init (EV_A_ flags);	2822	loop_init (EV_A_ flags);
…		…
2434	}	2866	}
2435	#endif	2867	#endif
2436		2868
2437	#if EV_FEATURE_API	2869	#if EV_FEATURE_API
2438	void ecb_cold	2870	void ecb_cold
2439	ev_verify (EV_P)	2871	ev_verify (EV_P) EV_THROW
2440	{	2872	{
2441	#if EV_VERIFY	2873	#if EV_VERIFY
2442	int i;	2874	int i;
2443	WL w;	2875	WL w, w2;
2444		2876
2445	assert (activecnt >= -1);	2877	assert (activecnt >= -1);
2446		2878
2447	assert (fdchangemax >= fdchangecnt);	2879	assert (fdchangemax >= fdchangecnt);
2448	for (i = 0; i < fdchangecnt; ++i)	2880	for (i = 0; i < fdchangecnt; ++i)
2449	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2881	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2450		2882
2451	assert (anfdmax >= 0);	2883	assert (anfdmax >= 0);
2452	for (i = 0; i < anfdmax; ++i)	2884	for (i = 0; i < anfdmax; ++i)
		2885	{
		2886	int j = 0;
		2887
2453	for (w = anfds [i].head; w; w = w->next)	2888	for (w = w2 = anfds [i].head; w; w = w->next)
2454	{	2889	{
2455	verify_watcher (EV_A_ (W)w);	2890	verify_watcher (EV_A_ (W)w);
		2891
		2892	if (j++ & 1)
		2893	{
		2894	assert (("libev: io watcher list contains a loop", w != w2));
		2895	w2 = w2->next;
		2896	}
		2897
2456	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2898	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2457	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2899	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2458	}	2900	}
		2901	}
2459		2902
2460	assert (timermax >= timercnt);	2903	assert (timermax >= timercnt);
2461	verify_heap (EV_A_ timers, timercnt);	2904	verify_heap (EV_A_ timers, timercnt);
2462		2905
2463	#if EV_PERIODIC_ENABLE	2906	#if EV_PERIODIC_ENABLE
…		…
2513	#if EV_MULTIPLICITY	2956	#if EV_MULTIPLICITY
2514	struct ev_loop * ecb_cold	2957	struct ev_loop * ecb_cold
2515	#else	2958	#else
2516	int	2959	int
2517	#endif	2960	#endif
2518	ev_default_loop (unsigned int flags)	2961	ev_default_loop (unsigned int flags) EV_THROW
2519	{	2962	{
2520	if (!ev_default_loop_ptr)	2963	if (!ev_default_loop_ptr)
2521	{	2964	{
2522	#if EV_MULTIPLICITY	2965	#if EV_MULTIPLICITY
2523	EV_P = ev_default_loop_ptr = &default_loop_struct;	2966	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2542		2985
2543	return ev_default_loop_ptr;	2986	return ev_default_loop_ptr;
2544	}	2987	}
2545		2988
2546	void	2989	void
2547	ev_loop_fork (EV_P)	2990	ev_loop_fork (EV_P) EV_THROW
2548	{	2991	{
2549	postfork = 1; /* must be in line with ev_default_fork */	2992	postfork = 1;
2550	}	2993	}
2551		2994
2552	/*****************************************************************************/	2995	/*****************************************************************************/
2553		2996
2554	void	2997	void
…		…
2556	{	2999	{
2557	EV_CB_INVOKE ((W)w, revents);	3000	EV_CB_INVOKE ((W)w, revents);
2558	}	3001	}
2559		3002
2560	unsigned int	3003	unsigned int
2561	ev_pending_count (EV_P)	3004	ev_pending_count (EV_P) EV_THROW
2562	{	3005	{
2563	int pri;	3006	int pri;
2564	unsigned int count = 0;	3007	unsigned int count = 0;
2565		3008
2566	for (pri = NUMPRI; pri--; )	3009	for (pri = NUMPRI; pri--; )
…		…
2570	}	3013	}
2571		3014
2572	void noinline	3015	void noinline
2573	ev_invoke_pending (EV_P)	3016	ev_invoke_pending (EV_P)
2574	{	3017	{
2575	int pri;	3018	pendingpri = NUMPRI;
2576		3019
2577	for (pri = NUMPRI; pri--; )	3020	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3021	{
		3022	--pendingpri;
		3023
2578	while (pendingcnt [pri])	3024	while (pendingcnt [pendingpri])
2579	{	3025	{
2580	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3026	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2581		3027
2582	p->w->pending = 0;	3028	p->w->pending = 0;
2583	EV_CB_INVOKE (p->w, p->events);	3029	EV_CB_INVOKE (p->w, p->events);
2584	EV_FREQUENT_CHECK;	3030	EV_FREQUENT_CHECK;
2585	}	3031	}
		3032	}
2586	}	3033	}
2587		3034
2588	#if EV_IDLE_ENABLE	3035	#if EV_IDLE_ENABLE
2589	/* make idle watchers pending. this handles the "call-idle */	3036	/* make idle watchers pending. this handles the "call-idle */
2590	/* only when higher priorities are idle" logic */	3037	/* only when higher priorities are idle" logic */
…		…
2680	{	3127	{
2681	EV_FREQUENT_CHECK;	3128	EV_FREQUENT_CHECK;
2682		3129
2683	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3130	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2684	{	3131	{
2685	int feed_count = 0;
2686
2687	do	3132	do
2688	{	3133	{
2689	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3134	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2690		3135
2691	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3136	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2825		3270
2826	mn_now = ev_rt_now;	3271	mn_now = ev_rt_now;
2827	}	3272	}
2828	}	3273	}
2829		3274
2830	void	3275	int
2831	ev_run (EV_P_ int flags)	3276	ev_run (EV_P_ int flags)
2832	{	3277	{
2833	#if EV_FEATURE_API	3278	#if EV_FEATURE_API
2834	++loop_depth;	3279	++loop_depth;
2835	#endif	3280	#endif
…		…
2948	#endif	3393	#endif
2949	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3394	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2950	backend_poll (EV_A_ waittime);	3395	backend_poll (EV_A_ waittime);
2951	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3396	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2952		3397
2953	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3398	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2954		3399
		3400	ECB_MEMORY_FENCE_ACQUIRE;
2955	if (pipe_write_skipped)	3401	if (pipe_write_skipped)
2956	{	3402	{
2957	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3403	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2958	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3404	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2959	}	3405	}
…		…
2992	loop_done = EVBREAK_CANCEL;	3438	loop_done = EVBREAK_CANCEL;
2993		3439
2994	#if EV_FEATURE_API	3440	#if EV_FEATURE_API
2995	--loop_depth;	3441	--loop_depth;
2996	#endif	3442	#endif
		3443
		3444	return activecnt;
2997	}	3445	}
2998		3446
2999	void	3447	void
3000	ev_break (EV_P_ int how)	3448	ev_break (EV_P_ int how) EV_THROW
3001	{	3449	{
3002	loop_done = how;	3450	loop_done = how;
3003	}	3451	}
3004		3452
3005	void	3453	void
3006	ev_ref (EV_P)	3454	ev_ref (EV_P) EV_THROW
3007	{	3455	{
3008	++activecnt;	3456	++activecnt;
3009	}	3457	}
3010		3458
3011	void	3459	void
3012	ev_unref (EV_P)	3460	ev_unref (EV_P) EV_THROW
3013	{	3461	{
3014	--activecnt;	3462	--activecnt;
3015	}	3463	}
3016		3464
3017	void	3465	void
3018	ev_now_update (EV_P)	3466	ev_now_update (EV_P) EV_THROW
3019	{	3467	{
3020	time_update (EV_A_ 1e100);	3468	time_update (EV_A_ 1e100);
3021	}	3469	}
3022		3470
3023	void	3471	void
3024	ev_suspend (EV_P)	3472	ev_suspend (EV_P) EV_THROW
3025	{	3473	{
3026	ev_now_update (EV_A);	3474	ev_now_update (EV_A);
3027	}	3475	}
3028		3476
3029	void	3477	void
3030	ev_resume (EV_P)	3478	ev_resume (EV_P) EV_THROW
3031	{	3479	{
3032	ev_tstamp mn_prev = mn_now;	3480	ev_tstamp mn_prev = mn_now;
3033		3481
3034	ev_now_update (EV_A);	3482	ev_now_update (EV_A);
3035	timers_reschedule (EV_A_ mn_now - mn_prev);	3483	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3074	w->pending = 0;	3522	w->pending = 0;
3075	}	3523	}
3076	}	3524	}
3077		3525
3078	int	3526	int
3079	ev_clear_pending (EV_P_ void *w)	3527	ev_clear_pending (EV_P_ void *w) EV_THROW
3080	{	3528	{
3081	W w_ = (W)w;	3529	W w_ = (W)w;
3082	int pending = w_->pending;	3530	int pending = w_->pending;
3083		3531
3084	if (expect_true (pending))	3532	if (expect_true (pending))
…		…
3117	}	3565	}
3118		3566
3119	/*****************************************************************************/	3567	/*****************************************************************************/
3120		3568
3121	void noinline	3569	void noinline
3122	ev_io_start (EV_P_ ev_io *w)	3570	ev_io_start (EV_P_ ev_io *w) EV_THROW
3123	{	3571	{
3124	int fd = w->fd;	3572	int fd = w->fd;
3125		3573
3126	if (expect_false (ev_is_active (w)))	3574	if (expect_false (ev_is_active (w)))
3127	return;	3575	return;
…		…
3133		3581
3134	ev_start (EV_A_ (W)w, 1);	3582	ev_start (EV_A_ (W)w, 1);
3135	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3583	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3136	wlist_add (&anfds[fd].head, (WL)w);	3584	wlist_add (&anfds[fd].head, (WL)w);
3137		3585
		3586	/* common bug, apparently */
		3587	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3588
3138	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3589	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3139	w->events &= ~EV__IOFDSET;	3590	w->events &= ~EV__IOFDSET;
3140		3591
3141	EV_FREQUENT_CHECK;	3592	EV_FREQUENT_CHECK;
3142	}	3593	}
3143		3594
3144	void noinline	3595	void noinline
3145	ev_io_stop (EV_P_ ev_io *w)	3596	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3146	{	3597	{
3147	clear_pending (EV_A_ (W)w);	3598	clear_pending (EV_A_ (W)w);
3148	if (expect_false (!ev_is_active (w)))	3599	if (expect_false (!ev_is_active (w)))
3149	return;	3600	return;
3150		3601
…		…
3159		3610
3160	EV_FREQUENT_CHECK;	3611	EV_FREQUENT_CHECK;
3161	}	3612	}
3162		3613
3163	void noinline	3614	void noinline
3164	ev_timer_start (EV_P_ ev_timer *w)	3615	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3165	{	3616	{
3166	if (expect_false (ev_is_active (w)))	3617	if (expect_false (ev_is_active (w)))
3167	return;	3618	return;
3168		3619
3169	ev_at (w) += mn_now;	3620	ev_at (w) += mn_now;
…		…
3183		3634
3184	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3635	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3185	}	3636	}
3186		3637
3187	void noinline	3638	void noinline
3188	ev_timer_stop (EV_P_ ev_timer *w)	3639	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3189	{	3640	{
3190	clear_pending (EV_A_ (W)w);	3641	clear_pending (EV_A_ (W)w);
3191	if (expect_false (!ev_is_active (w)))	3642	if (expect_false (!ev_is_active (w)))
3192	return;	3643	return;
3193		3644
…		…
3213		3664
3214	EV_FREQUENT_CHECK;	3665	EV_FREQUENT_CHECK;
3215	}	3666	}
3216		3667
3217	void noinline	3668	void noinline
3218	ev_timer_again (EV_P_ ev_timer *w)	3669	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3219	{	3670	{
3220	EV_FREQUENT_CHECK;	3671	EV_FREQUENT_CHECK;
		3672
		3673	clear_pending (EV_A_ (W)w);
3221		3674
3222	if (ev_is_active (w))	3675	if (ev_is_active (w))
3223	{	3676	{
3224	if (w->repeat)	3677	if (w->repeat)
3225	{	3678	{
…		…
3238		3691
3239	EV_FREQUENT_CHECK;	3692	EV_FREQUENT_CHECK;
3240	}	3693	}
3241		3694
3242	ev_tstamp	3695	ev_tstamp
3243	ev_timer_remaining (EV_P_ ev_timer *w)	3696	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3244	{	3697	{
3245	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3698	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3246	}	3699	}
3247		3700
3248	#if EV_PERIODIC_ENABLE	3701	#if EV_PERIODIC_ENABLE
3249	void noinline	3702	void noinline
3250	ev_periodic_start (EV_P_ ev_periodic *w)	3703	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3251	{	3704	{
3252	if (expect_false (ev_is_active (w)))	3705	if (expect_false (ev_is_active (w)))
3253	return;	3706	return;
3254		3707
3255	if (w->reschedule_cb)	3708	if (w->reschedule_cb)
…		…
3275		3728
3276	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3729	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3277	}	3730	}
3278		3731
3279	void noinline	3732	void noinline
3280	ev_periodic_stop (EV_P_ ev_periodic *w)	3733	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3281	{	3734	{
3282	clear_pending (EV_A_ (W)w);	3735	clear_pending (EV_A_ (W)w);
3283	if (expect_false (!ev_is_active (w)))	3736	if (expect_false (!ev_is_active (w)))
3284	return;	3737	return;
3285		3738
…		…
3303		3756
3304	EV_FREQUENT_CHECK;	3757	EV_FREQUENT_CHECK;
3305	}	3758	}
3306		3759
3307	void noinline	3760	void noinline
3308	ev_periodic_again (EV_P_ ev_periodic *w)	3761	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3309	{	3762	{
3310	/* TODO: use adjustheap and recalculation */	3763	/* TODO: use adjustheap and recalculation */
3311	ev_periodic_stop (EV_A_ w);	3764	ev_periodic_stop (EV_A_ w);
3312	ev_periodic_start (EV_A_ w);	3765	ev_periodic_start (EV_A_ w);
3313	}	3766	}
…		…
3318	#endif	3771	#endif
3319		3772
3320	#if EV_SIGNAL_ENABLE	3773	#if EV_SIGNAL_ENABLE
3321		3774
3322	void noinline	3775	void noinline
3323	ev_signal_start (EV_P_ ev_signal *w)	3776	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3324	{	3777	{
3325	if (expect_false (ev_is_active (w)))	3778	if (expect_false (ev_is_active (w)))
3326	return;	3779	return;
3327		3780
3328	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3781	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3330	#if EV_MULTIPLICITY	3783	#if EV_MULTIPLICITY
3331	assert (("libev: a signal must not be attached to two different loops",	3784	assert (("libev: a signal must not be attached to two different loops",
3332	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3785	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3333		3786
3334	signals [w->signum - 1].loop = EV_A;	3787	signals [w->signum - 1].loop = EV_A;
		3788	ECB_MEMORY_FENCE_RELEASE;
3335	#endif	3789	#endif
3336		3790
3337	EV_FREQUENT_CHECK;	3791	EV_FREQUENT_CHECK;
3338		3792
3339	#if EV_USE_SIGNALFD	3793	#if EV_USE_SIGNALFD
…		…
3399		3853
3400	EV_FREQUENT_CHECK;	3854	EV_FREQUENT_CHECK;
3401	}	3855	}
3402		3856
3403	void noinline	3857	void noinline
3404	ev_signal_stop (EV_P_ ev_signal *w)	3858	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3405	{	3859	{
3406	clear_pending (EV_A_ (W)w);	3860	clear_pending (EV_A_ (W)w);
3407	if (expect_false (!ev_is_active (w)))	3861	if (expect_false (!ev_is_active (w)))
3408	return;	3862	return;
3409		3863
…		…
3440	#endif	3894	#endif
3441		3895
3442	#if EV_CHILD_ENABLE	3896	#if EV_CHILD_ENABLE
3443		3897
3444	void	3898	void
3445	ev_child_start (EV_P_ ev_child *w)	3899	ev_child_start (EV_P_ ev_child *w) EV_THROW
3446	{	3900	{
3447	#if EV_MULTIPLICITY	3901	#if EV_MULTIPLICITY
3448	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3902	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3449	#endif	3903	#endif
3450	if (expect_false (ev_is_active (w)))	3904	if (expect_false (ev_is_active (w)))
…		…
3457		3911
3458	EV_FREQUENT_CHECK;	3912	EV_FREQUENT_CHECK;
3459	}	3913	}
3460		3914
3461	void	3915	void
3462	ev_child_stop (EV_P_ ev_child *w)	3916	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3463	{	3917	{
3464	clear_pending (EV_A_ (W)w);	3918	clear_pending (EV_A_ (W)w);
3465	if (expect_false (!ev_is_active (w)))	3919	if (expect_false (!ev_is_active (w)))
3466	return;	3920	return;
3467		3921
…		…
3494	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3948	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3495		3949
3496	static void noinline	3950	static void noinline
3497	infy_add (EV_P_ ev_stat *w)	3951	infy_add (EV_P_ ev_stat *w)
3498	{	3952	{
3499	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);	3953	w->wd = inotify_add_watch (fs_fd, w->path,
		3954	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3955	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3956	| IN_DONT_FOLLOW | IN_MASK_ADD);
3500		3957
3501	if (w->wd >= 0)	3958	if (w->wd >= 0)
3502	{	3959	{
3503	struct statfs sfs;	3960	struct statfs sfs;
3504		3961
…		…
3508		3965
3509	if (!fs_2625)	3966	if (!fs_2625)
3510	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3967	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3511	else if (!statfs (w->path, &sfs)	3968	else if (!statfs (w->path, &sfs)
3512	&& (sfs.f_type == 0x1373 /* devfs */	3969	&& (sfs.f_type == 0x1373 /* devfs */
		3970	|| sfs.f_type == 0x4006 /* fat */
		3971	|| sfs.f_type == 0x4d44 /* msdos */
3513	|| sfs.f_type == 0xEF53 /* ext2/3 */	3972	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3973	|| sfs.f_type == 0x72b6 /* jffs2 */
		3974	|| sfs.f_type == 0x858458f6 /* ramfs */
		3975	|| sfs.f_type == 0x5346544e /* ntfs */
3514	|| sfs.f_type == 0x3153464a /* jfs */	3976	|| sfs.f_type == 0x3153464a /* jfs */
		3977	|| sfs.f_type == 0x9123683e /* btrfs */
3515	|| sfs.f_type == 0x52654973 /* reiser3 */	3978	|| sfs.f_type == 0x52654973 /* reiser3 */
3516	|| sfs.f_type == 0x01021994 /* tempfs */	3979	|| sfs.f_type == 0x01021994 /* tmpfs */
3517	|| sfs.f_type == 0x58465342 /* xfs */))	3980	|| sfs.f_type == 0x58465342 /* xfs */))
3518	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3981	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3519	else	3982	else
3520	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3983	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3521	}	3984	}
…		…
3634	}	4097	}
3635		4098
3636	inline_size int	4099	inline_size int
3637	infy_newfd (void)	4100	infy_newfd (void)
3638	{	4101	{
3639	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4102	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3640	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4103	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3641	if (fd >= 0)	4104	if (fd >= 0)
3642	return fd;	4105	return fd;
3643	#endif	4106	#endif
3644	return inotify_init ();	4107	return inotify_init ();
…		…
3719	#else	4182	#else
3720	# define EV_LSTAT(p,b) lstat (p, b)	4183	# define EV_LSTAT(p,b) lstat (p, b)
3721	#endif	4184	#endif
3722		4185
3723	void	4186	void
3724	ev_stat_stat (EV_P_ ev_stat *w)	4187	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3725	{	4188	{
3726	if (lstat (w->path, &w->attr) < 0)	4189	if (lstat (w->path, &w->attr) < 0)
3727	w->attr.st_nlink = 0;	4190	w->attr.st_nlink = 0;
3728	else if (!w->attr.st_nlink)	4191	else if (!w->attr.st_nlink)
3729	w->attr.st_nlink = 1;	4192	w->attr.st_nlink = 1;
…		…
3768	ev_feed_event (EV_A_ w, EV_STAT);	4231	ev_feed_event (EV_A_ w, EV_STAT);
3769	}	4232	}
3770	}	4233	}
3771		4234
3772	void	4235	void
3773	ev_stat_start (EV_P_ ev_stat *w)	4236	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3774	{	4237	{
3775	if (expect_false (ev_is_active (w)))	4238	if (expect_false (ev_is_active (w)))
3776	return;	4239	return;
3777		4240
3778	ev_stat_stat (EV_A_ w);	4241	ev_stat_stat (EV_A_ w);
…		…
3799		4262
3800	EV_FREQUENT_CHECK;	4263	EV_FREQUENT_CHECK;
3801	}	4264	}
3802		4265
3803	void	4266	void
3804	ev_stat_stop (EV_P_ ev_stat *w)	4267	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3805	{	4268	{
3806	clear_pending (EV_A_ (W)w);	4269	clear_pending (EV_A_ (W)w);
3807	if (expect_false (!ev_is_active (w)))	4270	if (expect_false (!ev_is_active (w)))
3808	return;	4271	return;
3809		4272
…		…
3825	}	4288	}
3826	#endif	4289	#endif
3827		4290
3828	#if EV_IDLE_ENABLE	4291	#if EV_IDLE_ENABLE
3829	void	4292	void
3830	ev_idle_start (EV_P_ ev_idle *w)	4293	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3831	{	4294	{
3832	if (expect_false (ev_is_active (w)))	4295	if (expect_false (ev_is_active (w)))
3833	return;	4296	return;
3834		4297
3835	pri_adjust (EV_A_ (W)w);	4298	pri_adjust (EV_A_ (W)w);
…		…
3848		4311
3849	EV_FREQUENT_CHECK;	4312	EV_FREQUENT_CHECK;
3850	}	4313	}
3851		4314
3852	void	4315	void
3853	ev_idle_stop (EV_P_ ev_idle *w)	4316	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3854	{	4317	{
3855	clear_pending (EV_A_ (W)w);	4318	clear_pending (EV_A_ (W)w);
3856	if (expect_false (!ev_is_active (w)))	4319	if (expect_false (!ev_is_active (w)))
3857	return;	4320	return;
3858		4321
…		…
3872	}	4335	}
3873	#endif	4336	#endif
3874		4337
3875	#if EV_PREPARE_ENABLE	4338	#if EV_PREPARE_ENABLE
3876	void	4339	void
3877	ev_prepare_start (EV_P_ ev_prepare *w)	4340	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3878	{	4341	{
3879	if (expect_false (ev_is_active (w)))	4342	if (expect_false (ev_is_active (w)))
3880	return;	4343	return;
3881		4344
3882	EV_FREQUENT_CHECK;	4345	EV_FREQUENT_CHECK;
…		…
3887		4350
3888	EV_FREQUENT_CHECK;	4351	EV_FREQUENT_CHECK;
3889	}	4352	}
3890		4353
3891	void	4354	void
3892	ev_prepare_stop (EV_P_ ev_prepare *w)	4355	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3893	{	4356	{
3894	clear_pending (EV_A_ (W)w);	4357	clear_pending (EV_A_ (W)w);
3895	if (expect_false (!ev_is_active (w)))	4358	if (expect_false (!ev_is_active (w)))
3896	return;	4359	return;
3897		4360
…		…
3910	}	4373	}
3911	#endif	4374	#endif
3912		4375
3913	#if EV_CHECK_ENABLE	4376	#if EV_CHECK_ENABLE
3914	void	4377	void
3915	ev_check_start (EV_P_ ev_check *w)	4378	ev_check_start (EV_P_ ev_check *w) EV_THROW
3916	{	4379	{
3917	if (expect_false (ev_is_active (w)))	4380	if (expect_false (ev_is_active (w)))
3918	return;	4381	return;
3919		4382
3920	EV_FREQUENT_CHECK;	4383	EV_FREQUENT_CHECK;
…		…
3925		4388
3926	EV_FREQUENT_CHECK;	4389	EV_FREQUENT_CHECK;
3927	}	4390	}
3928		4391
3929	void	4392	void
3930	ev_check_stop (EV_P_ ev_check *w)	4393	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3931	{	4394	{
3932	clear_pending (EV_A_ (W)w);	4395	clear_pending (EV_A_ (W)w);
3933	if (expect_false (!ev_is_active (w)))	4396	if (expect_false (!ev_is_active (w)))
3934	return;	4397	return;
3935		4398
…		…
3948	}	4411	}
3949	#endif	4412	#endif
3950		4413
3951	#if EV_EMBED_ENABLE	4414	#if EV_EMBED_ENABLE
3952	void noinline	4415	void noinline
3953	ev_embed_sweep (EV_P_ ev_embed *w)	4416	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3954	{	4417	{
3955	ev_run (w->other, EVRUN_NOWAIT);	4418	ev_run (w->other, EVRUN_NOWAIT);
3956	}	4419	}
3957		4420
3958	static void	4421	static void
…		…
4006	ev_idle_stop (EV_A_ idle);	4469	ev_idle_stop (EV_A_ idle);
4007	}	4470	}
4008	#endif	4471	#endif
4009		4472
4010	void	4473	void
4011	ev_embed_start (EV_P_ ev_embed *w)	4474	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4012	{	4475	{
4013	if (expect_false (ev_is_active (w)))	4476	if (expect_false (ev_is_active (w)))
4014	return;	4477	return;
4015		4478
4016	{	4479	{
…		…
4037		4500
4038	EV_FREQUENT_CHECK;	4501	EV_FREQUENT_CHECK;
4039	}	4502	}
4040		4503
4041	void	4504	void
4042	ev_embed_stop (EV_P_ ev_embed *w)	4505	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4043	{	4506	{
4044	clear_pending (EV_A_ (W)w);	4507	clear_pending (EV_A_ (W)w);
4045	if (expect_false (!ev_is_active (w)))	4508	if (expect_false (!ev_is_active (w)))
4046	return;	4509	return;
4047		4510
…		…
4057	}	4520	}
4058	#endif	4521	#endif
4059		4522
4060	#if EV_FORK_ENABLE	4523	#if EV_FORK_ENABLE
4061	void	4524	void
4062	ev_fork_start (EV_P_ ev_fork *w)	4525	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4063	{	4526	{
4064	if (expect_false (ev_is_active (w)))	4527	if (expect_false (ev_is_active (w)))
4065	return;	4528	return;
4066		4529
4067	EV_FREQUENT_CHECK;	4530	EV_FREQUENT_CHECK;
…		…
4072		4535
4073	EV_FREQUENT_CHECK;	4536	EV_FREQUENT_CHECK;
4074	}	4537	}
4075		4538
4076	void	4539	void
4077	ev_fork_stop (EV_P_ ev_fork *w)	4540	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4078	{	4541	{
4079	clear_pending (EV_A_ (W)w);	4542	clear_pending (EV_A_ (W)w);
4080	if (expect_false (!ev_is_active (w)))	4543	if (expect_false (!ev_is_active (w)))
4081	return;	4544	return;
4082		4545
…		…
4095	}	4558	}
4096	#endif	4559	#endif
4097		4560
4098	#if EV_CLEANUP_ENABLE	4561	#if EV_CLEANUP_ENABLE
4099	void	4562	void
4100	ev_cleanup_start (EV_P_ ev_cleanup *w)	4563	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4101	{	4564	{
4102	if (expect_false (ev_is_active (w)))	4565	if (expect_false (ev_is_active (w)))
4103	return;	4566	return;
4104		4567
4105	EV_FREQUENT_CHECK;	4568	EV_FREQUENT_CHECK;
…		…
4112	ev_unref (EV_A);	4575	ev_unref (EV_A);
4113	EV_FREQUENT_CHECK;	4576	EV_FREQUENT_CHECK;
4114	}	4577	}
4115		4578
4116	void	4579	void
4117	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4580	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4118	{	4581	{
4119	clear_pending (EV_A_ (W)w);	4582	clear_pending (EV_A_ (W)w);
4120	if (expect_false (!ev_is_active (w)))	4583	if (expect_false (!ev_is_active (w)))
4121	return;	4584	return;
4122		4585
…		…
4136	}	4599	}
4137	#endif	4600	#endif
4138		4601
4139	#if EV_ASYNC_ENABLE	4602	#if EV_ASYNC_ENABLE
4140	void	4603	void
4141	ev_async_start (EV_P_ ev_async *w)	4604	ev_async_start (EV_P_ ev_async *w) EV_THROW
4142	{	4605	{
4143	if (expect_false (ev_is_active (w)))	4606	if (expect_false (ev_is_active (w)))
4144	return;	4607	return;
4145		4608
4146	w->sent = 0;	4609	w->sent = 0;
…		…
4155		4618
4156	EV_FREQUENT_CHECK;	4619	EV_FREQUENT_CHECK;
4157	}	4620	}
4158		4621
4159	void	4622	void
4160	ev_async_stop (EV_P_ ev_async *w)	4623	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4161	{	4624	{
4162	clear_pending (EV_A_ (W)w);	4625	clear_pending (EV_A_ (W)w);
4163	if (expect_false (!ev_is_active (w)))	4626	if (expect_false (!ev_is_active (w)))
4164	return;	4627	return;
4165		4628
…		…
4176		4639
4177	EV_FREQUENT_CHECK;	4640	EV_FREQUENT_CHECK;
4178	}	4641	}
4179		4642
4180	void	4643	void
4181	ev_async_send (EV_P_ ev_async *w)	4644	ev_async_send (EV_P_ ev_async *w) EV_THROW
4182	{	4645	{
4183	w->sent = 1;	4646	w->sent = 1;
4184	evpipe_write (EV_A_ &async_pending);	4647	evpipe_write (EV_A_ &async_pending);
4185	}	4648	}
4186	#endif	4649	#endif
…		…
4223		4686
4224	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4687	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4225	}	4688	}
4226		4689
4227	void	4690	void
4228	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4691	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4229	{	4692	{
4230	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4693	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4231		4694
4232	if (expect_false (!once))	4695	if (expect_false (!once))
4233	{	4696	{
…		…
4255		4718
4256	/*****************************************************************************/	4719	/*****************************************************************************/
4257		4720
4258	#if EV_WALK_ENABLE	4721	#if EV_WALK_ENABLE
4259	void ecb_cold	4722	void ecb_cold
4260	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4723	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4261	{	4724	{
4262	int i, j;	4725	int i, j;
4263	ev_watcher_list *wl, *wn;	4726	ev_watcher_list *wl, *wn;
4264		4727
4265	if (types & (EV_IO | EV_EMBED))	4728	if (types & (EV_IO | EV_EMBED))
…		…
4371		4834
4372	#if EV_MULTIPLICITY	4835	#if EV_MULTIPLICITY
4373	#include "ev_wrap.h"	4836	#include "ev_wrap.h"
4374	#endif	4837	#endif
4375		4838
4376	EV_CPP(})
4377

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