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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 1.477 by root, Sun Aug 9 00:13:28 2015 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) 2007,2008,2009,2010,2011,2012,2013 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	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
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
		261	#if !(_POSIX_TIMERS > 0)
		262	# ifndef EV_USE_MONOTONIC
		263	# define EV_USE_MONOTONIC 0
		264	# endif
		265	# ifndef EV_USE_REALTIME
		266	# define EV_USE_REALTIME 0
		267	# endif
		268	#endif
		269
254	#ifndef EV_USE_MONOTONIC	270	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	271	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	272	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	273	# else
258	# define EV_USE_MONOTONIC 0	274	# define EV_USE_MONOTONIC 0
259	# endif	275	# endif
260	#endif	276	#endif
…		…
347		363
348	#ifndef EV_HEAP_CACHE_AT	364	#ifndef EV_HEAP_CACHE_AT
349	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	365	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350	#endif	366	#endif
351		367
		368	#ifdef ANDROID
		369	/* supposedly, android doesn't typedef fd_mask */
		370	# undef EV_USE_SELECT
		371	# define EV_USE_SELECT 0
		372	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		373	# undef EV_USE_CLOCK_SYSCALL
		374	# define EV_USE_CLOCK_SYSCALL 0
		375	#endif
		376
		377	/* aix's poll.h seems to cause lots of trouble */
		378	#ifdef _AIX
		379	/* AIX has a completely broken poll.h header */
		380	# undef EV_USE_POLL
		381	# define EV_USE_POLL 0
		382	#endif
		383
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	384	/* 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. */	385	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	386	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	387	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	388	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	389	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	390	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	391	# define EV_USE_MONOTONIC 1
360	# else	392	# else
…		…
363	# endif	395	# endif
364	#endif	396	#endif
365		397
366	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	398	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
367		399
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	400	#ifndef CLOCK_MONOTONIC
375	# undef EV_USE_MONOTONIC	401	# undef EV_USE_MONOTONIC
376	# define EV_USE_MONOTONIC 0	402	# define EV_USE_MONOTONIC 0
377	#endif	403	#endif
378		404
…		…
386	# define EV_USE_INOTIFY 0	412	# define EV_USE_INOTIFY 0
387	#endif	413	#endif
388		414
389	#if !EV_USE_NANOSLEEP	415	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	416	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	417	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	418	# include <sys/select.h>
393	# endif	419	# endif
394	#endif	420	#endif
395		421
396	#if EV_USE_INOTIFY	422	#if EV_USE_INOTIFY
…		…
399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	425	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400	# ifndef IN_DONT_FOLLOW	426	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	427	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	428	# define EV_USE_INOTIFY 0
403	# endif	429	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	430	#endif
409		431
410	#if EV_USE_EVENTFD	432	#if EV_USE_EVENTFD
411	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	433	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412	# include <stdint.h>	434	# include <stdint.h>
…		…
469	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	491	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ECB.H BEGIN */	492	/* ECB.H BEGIN */
471	/*	493	/*
472	* libecb - http://software.schmorp.de/pkg/libecb	494	* libecb - http://software.schmorp.de/pkg/libecb
473	*	495	*
474	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	496	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
475	* Copyright (©) 2011 Emanuele Giaquinta	497	* Copyright (©) 2011 Emanuele Giaquinta
476	* All rights reserved.	498	* All rights reserved.
477	*	499	*
478	* Redistribution and use in source and binary forms, with or without modifica-	500	* Redistribution and use in source and binary forms, with or without modifica-
479	* tion, are permitted provided that the following conditions are met:	501	* tion, are permitted provided that the following conditions are met:
…		…
493	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	515	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
494	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	516	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
495	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	517	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
496	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	518	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
497	* OF THE POSSIBILITY OF SUCH DAMAGE.	519	* OF THE POSSIBILITY OF SUCH DAMAGE.
		520	*
		521	* Alternatively, the contents of this file may be used under the terms of
		522	* the GNU General Public License ("GPL") version 2 or any later version,
		523	* in which case the provisions of the GPL are applicable instead of
		524	* the above. If you wish to allow the use of your version of this file
		525	* only under the terms of the GPL and not to allow others to use your
		526	* version of this file under the BSD license, indicate your decision
		527	* by deleting the provisions above and replace them with the notice
		528	* and other provisions required by the GPL. If you do not delete the
		529	* provisions above, a recipient may use your version of this file under
		530	* either the BSD or the GPL.
498	*/	531	*/
499		532
500	#ifndef ECB_H	533	#ifndef ECB_H
501	#define ECB_H	534	#define ECB_H
		535
		536	/* 16 bits major, 16 bits minor */
		537	#define ECB_VERSION 0x00010004
502		538
503	#ifdef _WIN32	539	#ifdef _WIN32
504	typedef signed char int8_t;	540	typedef signed char int8_t;
505	typedef unsigned char uint8_t;	541	typedef unsigned char uint8_t;
506	typedef signed short int16_t;	542	typedef signed short int16_t;
…		…
512	typedef unsigned long long uint64_t;	548	typedef unsigned long long uint64_t;
513	#else /* _MSC_VER || __BORLANDC__ */	549	#else /* _MSC_VER || __BORLANDC__ */
514	typedef signed __int64 int64_t;	550	typedef signed __int64 int64_t;
515	typedef unsigned __int64 uint64_t;	551	typedef unsigned __int64 uint64_t;
516	#endif	552	#endif
		553	#ifdef _WIN64
		554	#define ECB_PTRSIZE 8
		555	typedef uint64_t uintptr_t;
		556	typedef int64_t intptr_t;
		557	#else
		558	#define ECB_PTRSIZE 4
		559	typedef uint32_t uintptr_t;
		560	typedef int32_t intptr_t;
		561	#endif
517	#else	562	#else
518	#include <inttypes.h>	563	#include <inttypes.h>
		564	#if UINTMAX_MAX > 0xffffffffU
		565	#define ECB_PTRSIZE 8
		566	#else
		567	#define ECB_PTRSIZE 4
		568	#endif
		569	#endif
		570
		571	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		572	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		573
		574	/* work around x32 idiocy by defining proper macros */
		575	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
		576	#if _ILP32
		577	#define ECB_AMD64_X32 1
		578	#else
		579	#define ECB_AMD64 1
		580	#endif
519	#endif	581	#endif
520		582
521	/* many compilers define _GNUC_ to some versions but then only implement	583	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	584	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	585	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	586	* or so.
525	* we try to detect these and simply assume they are not gcc - if they have	587	* 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.	588	* an issue with that they should have done it right in the first place.
527	*/	589	*/
528	#ifndef ECB_GCC_VERSION
529	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	590	#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	591	#define ECB_GCC_VERSION(major,minor) 0
531	#else	592	#else
532	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	593	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533	#endif	594	#endif
		595
		596	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		597
		598	#if __clang__ && defined __has_builtin
		599	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		600	#else
		601	#define ECB_CLANG_BUILTIN(x) 0
		602	#endif
		603
		604	#if __clang__ && defined __has_extension
		605	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		606	#else
		607	#define ECB_CLANG_EXTENSION(x) 0
		608	#endif
		609
		610	#define ECB_CPP (__cplusplus+0)
		611	#define ECB_CPP11 (__cplusplus >= 201103L)
		612
		613	#if ECB_CPP
		614	#define ECB_C 0
		615	#define ECB_STDC_VERSION 0
		616	#else
		617	#define ECB_C 1
		618	#define ECB_STDC_VERSION __STDC_VERSION__
		619	#endif
		620
		621	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		622	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		623
		624	#if ECB_CPP
		625	#define ECB_EXTERN_C extern "C"
		626	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		627	#define ECB_EXTERN_C_END }
		628	#else
		629	#define ECB_EXTERN_C extern
		630	#define ECB_EXTERN_C_BEG
		631	#define ECB_EXTERN_C_END
534	#endif	632	#endif
535		633
536	/*****************************************************************************/	634	/*****************************************************************************/
537		635
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	636	/* 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 */	637	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		638
541	#if ECB_NO_THREADS || ECB_NO_SMP	639	#if ECB_NO_THREADS
		640	#define ECB_NO_SMP 1
		641	#endif
		642
		643	#if ECB_NO_SMP
542	#define ECB_MEMORY_FENCE do { } while (0)	644	#define ECB_MEMORY_FENCE do { } while (0)
543	#define ECB_MEMORY_FENCE_ACQUIRE do { } while (0)	645	#endif
544	#define ECB_MEMORY_FENCE_RELEASE do { } while (0)	646
		647	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		648	#if __xlC__ && ECB_CPP
		649	#include <builtins.h>
545	#endif	650	#endif
546		651
547	#ifndef ECB_MEMORY_FENCE	652	#ifndef ECB_MEMORY_FENCE
548	#if ECB_GCC_VERSION(2,5)	653	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
549	#if __x86	654	#if __i386 || __i386__
550	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	655	#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 */	656	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
552	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	657	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553	#elif __amd64	658	#elif ECB_GCC_AMD64
554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	659	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
555	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	660	#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 */	661	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		662	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		663	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		664	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		665	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		666	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		667	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		668	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		669	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		670	#elif __aarch64__
		671	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		672	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
		673	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		674	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		675	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		676	#elif defined __s390__ || defined __s390x__
		677	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		678	#elif defined __mips__
		679	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		680	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		681	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		682	#elif defined __alpha__
		683	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		684	#elif defined __hppa__
		685	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		686	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		687	#elif defined __ia64__
		688	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		689	#elif defined __m68k__
		690	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		691	#elif defined __m88k__
		692	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		693	#elif defined __sh__
		694	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
557	#endif	695	#endif
558	#endif	696	#endif
559	#endif	697	#endif
560		698
561	#ifndef ECB_MEMORY_FENCE	699	#ifndef ECB_MEMORY_FENCE
562	#if ECB_GCC_VERSION(4,4)	700	#if ECB_GCC_VERSION(4,7)
		701	/* see comment below (stdatomic.h) about the C11 memory model. */
		702	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		703	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		704	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		705
		706	#elif ECB_CLANG_EXTENSION(c_atomic)
		707	/* see comment below (stdatomic.h) about the C11 memory model. */
		708	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		709	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		710	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		711
		712	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
563	#define ECB_MEMORY_FENCE __sync_synchronize ()	713	#define ECB_MEMORY_FENCE __sync_synchronize ()
564	#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); })	714	#elif _MSC_VER >= 1500 /* VC++ 2008 */
565	#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); })	715	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		716	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		717	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		718	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		719	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
566	#elif _MSC_VER >= 1400 /* VC++ 2005 */	720	#elif _MSC_VER >= 1400 /* VC++ 2005 */
567	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	721	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
568	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	722	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
569	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	723	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
570	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	724	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
571	#elif defined(_WIN32)	725	#elif defined _WIN32
572	#include <WinNT.h>	726	#include <WinNT.h>
573	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	727	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
574	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	728	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
575	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	729	#include <mbarrier.h>
		730	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		731	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		732	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		733	#elif __xlC__
		734	#define ECB_MEMORY_FENCE __sync ()
576	#endif	735	#endif
577	#endif	736	#endif
578		737
579	#ifndef ECB_MEMORY_FENCE	738	#ifndef ECB_MEMORY_FENCE
		739	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		740	/* we assume that these memory fences work on all variables/all memory accesses, */
		741	/* not just C11 atomics and atomic accesses */
		742	#include <stdatomic.h>
		743	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		744	/* any fence other than seq_cst, which isn't very efficient for us. */
		745	/* Why that is, we don't know - either the C11 memory model is quite useless */
		746	/* for most usages, or gcc and clang have a bug */
		747	/* I *currently* lean towards the latter, and inefficiently implement */
		748	/* all three of ecb's fences as a seq_cst fence */
		749	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		750	/* for all __atomic_thread_fence's except seq_cst */
		751	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		752	#endif
		753	#endif
		754
		755	#ifndef ECB_MEMORY_FENCE
		756	#if !ECB_AVOID_PTHREADS
580	/*	757	/*
581	* if you get undefined symbol references to pthread_mutex_lock,	758	* if you get undefined symbol references to pthread_mutex_lock,
582	* or failure to find pthread.h, then you should implement	759	* or failure to find pthread.h, then you should implement
583	* the ECB_MEMORY_FENCE operations for your cpu/compiler	760	* the ECB_MEMORY_FENCE operations for your cpu/compiler
584	* OR provide pthread.h and link against the posix thread library	761	* OR provide pthread.h and link against the posix thread library
585	* of your system.	762	* of your system.
586	*/	763	*/
587	#include <pthread.h>	764	#include <pthread.h>
588	#define ECB_NEEDS_PTHREADS 1	765	#define ECB_NEEDS_PTHREADS 1
589	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1	766	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
590		767
591	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	768	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)	769	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		770	#endif
		771	#endif
		772
		773	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
593	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	774	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		775	#endif
		776
		777	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
594	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	778	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
595	#endif	779	#endif
596		780
597	/*****************************************************************************/	781	/*****************************************************************************/
598		782
599	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	783	#if ECB_CPP
600
601	#if __cplusplus
602	#define ecb_inline static inline	784	#define ecb_inline static inline
603	#elif ECB_GCC_VERSION(2,5)	785	#elif ECB_GCC_VERSION(2,5)
604	#define ecb_inline static __inline__	786	#define ecb_inline static __inline__
605	#elif ECB_C99	787	#elif ECB_C99
606	#define ecb_inline static inline	788	#define ecb_inline static inline
…		…
620		802
621	#define ECB_CONCAT_(a, b) a ## b	803	#define ECB_CONCAT_(a, b) a ## b
622	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	804	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
623	#define ECB_STRINGIFY_(a) # a	805	#define ECB_STRINGIFY_(a) # a
624	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	806	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		807	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
625		808
626	#define ecb_function_ ecb_inline	809	#define ecb_function_ ecb_inline
627		810
628	#if ECB_GCC_VERSION(3,1)	811	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
629	#define ecb_attribute(attrlist) __attribute__(attrlist)	812	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		813	#else
		814	#define ecb_attribute(attrlist)
		815	#endif
		816
		817	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
630	#define ecb_is_constant(expr) __builtin_constant_p (expr)	818	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		819	#else
		820	/* possible C11 impl for integral types
		821	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		822	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		823
		824	#define ecb_is_constant(expr) 0
		825	#endif
		826
		827	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
631	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	828	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		829	#else
		830	#define ecb_expect(expr,value) (expr)
		831	#endif
		832
		833	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
632	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	834	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
633	#else	835	#else
634	#define ecb_attribute(attrlist)
635	#define ecb_is_constant(expr) 0
636	#define ecb_expect(expr,value) (expr)
637	#define ecb_prefetch(addr,rw,locality)	836	#define ecb_prefetch(addr,rw,locality)
638	#endif	837	#endif
639		838
640	/* no emulation for ecb_decltype */	839	/* no emulation for ecb_decltype */
641	#if ECB_GCC_VERSION(4,5)	840	#if ECB_CPP11
		841	// older implementations might have problems with decltype(x)::type, work around it
		842	template<class T> struct ecb_decltype_t { typedef T type; };
642	#define ecb_decltype(x) __decltype(x)	843	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
643	#elif ECB_GCC_VERSION(3,0)	844	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
644	#define ecb_decltype(x) __typeof(x)	845	#define ecb_decltype(x) __typeof__ (x)
645	#endif	846	#endif
646		847
		848	#if _MSC_VER >= 1300
		849	#define ecb_deprecated __declspec (deprecated)
		850	#else
		851	#define ecb_deprecated ecb_attribute ((__deprecated__))
		852	#endif
		853
		854	#if _MSC_VER >= 1500
		855	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		856	#elif ECB_GCC_VERSION(4,5)
		857	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		858	#else
		859	#define ecb_deprecated_message(msg) ecb_deprecated
		860	#endif
		861
		862	#if _MSC_VER >= 1400
		863	#define ecb_noinline __declspec (noinline)
		864	#else
647	#define ecb_noinline ecb_attribute ((__noinline__))	865	#define ecb_noinline ecb_attribute ((__noinline__))
648	#define ecb_noreturn ecb_attribute ((__noreturn__))	866	#endif
		867
649	#define ecb_unused ecb_attribute ((__unused__))	868	#define ecb_unused ecb_attribute ((__unused__))
650	#define ecb_const ecb_attribute ((__const__))	869	#define ecb_const ecb_attribute ((__const__))
651	#define ecb_pure ecb_attribute ((__pure__))	870	#define ecb_pure ecb_attribute ((__pure__))
		871
		872	#if ECB_C11 || __IBMC_NORETURN
		873	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
		874	#define ecb_noreturn _Noreturn
		875	#elif ECB_CPP11
		876	#define ecb_noreturn [[noreturn]]
		877	#elif _MSC_VER >= 1200
		878	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		879	#define ecb_noreturn __declspec (noreturn)
		880	#else
		881	#define ecb_noreturn ecb_attribute ((__noreturn__))
		882	#endif
652		883
653	#if ECB_GCC_VERSION(4,3)	884	#if ECB_GCC_VERSION(4,3)
654	#define ecb_artificial ecb_attribute ((__artificial__))	885	#define ecb_artificial ecb_attribute ((__artificial__))
655	#define ecb_hot ecb_attribute ((__hot__))	886	#define ecb_hot ecb_attribute ((__hot__))
656	#define ecb_cold ecb_attribute ((__cold__))	887	#define ecb_cold ecb_attribute ((__cold__))
…		…
668	/* for compatibility to the rest of the world */	899	/* for compatibility to the rest of the world */
669	#define ecb_likely(expr) ecb_expect_true (expr)	900	#define ecb_likely(expr) ecb_expect_true (expr)
670	#define ecb_unlikely(expr) ecb_expect_false (expr)	901	#define ecb_unlikely(expr) ecb_expect_false (expr)
671		902
672	/* count trailing zero bits and count # of one bits */	903	/* count trailing zero bits and count # of one bits */
673	#if ECB_GCC_VERSION(3,4)	904	#if ECB_GCC_VERSION(3,4) \
		905	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		906	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		907	&& ECB_CLANG_BUILTIN(__builtin_popcount))
674	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	908	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
675	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	909	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
676	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	910	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
677	#define ecb_ctz32(x) __builtin_ctz (x)	911	#define ecb_ctz32(x) __builtin_ctz (x)
678	#define ecb_ctz64(x) __builtin_ctzll (x)	912	#define ecb_ctz64(x) __builtin_ctzll (x)
679	#define ecb_popcount32(x) __builtin_popcount (x)	913	#define ecb_popcount32(x) __builtin_popcount (x)
680	/* no popcountll */	914	/* no popcountll */
681	#else	915	#else
682	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	916	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
683	ecb_function_ int	917	ecb_function_ ecb_const int
684	ecb_ctz32 (uint32_t x)	918	ecb_ctz32 (uint32_t x)
685	{	919	{
686	int r = 0;	920	int r = 0;
687		921
688	x &= ~x + 1; /* this isolates the lowest bit */	922	x &= ~x + 1; /* this isolates the lowest bit */
…		…
702	#endif	936	#endif
703		937
704	return r;	938	return r;
705	}	939	}
706		940
707	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	941	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
708	ecb_function_ int	942	ecb_function_ ecb_const int
709	ecb_ctz64 (uint64_t x)	943	ecb_ctz64 (uint64_t x)
710	{	944	{
711	int shift = x & 0xffffffffU ? 0 : 32;	945	int shift = x & 0xffffffffU ? 0 : 32;
712	return ecb_ctz32 (x >> shift) + shift;	946	return ecb_ctz32 (x >> shift) + shift;
713	}	947	}
714		948
715	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	949	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
716	ecb_function_ int	950	ecb_function_ ecb_const int
717	ecb_popcount32 (uint32_t x)	951	ecb_popcount32 (uint32_t x)
718	{	952	{
719	x -= (x >> 1) & 0x55555555;	953	x -= (x >> 1) & 0x55555555;
720	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	954	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
721	x = ((x >> 4) + x) & 0x0f0f0f0f;	955	x = ((x >> 4) + x) & 0x0f0f0f0f;
722	x *= 0x01010101;	956	x *= 0x01010101;
723		957
724	return x >> 24;	958	return x >> 24;
725	}	959	}
726		960
727	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	961	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
728	ecb_function_ int ecb_ld32 (uint32_t x)	962	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
729	{	963	{
730	int r = 0;	964	int r = 0;
731		965
732	if (x >> 16) { x >>= 16; r += 16; }	966	if (x >> 16) { x >>= 16; r += 16; }
733	if (x >> 8) { x >>= 8; r += 8; }	967	if (x >> 8) { x >>= 8; r += 8; }
…		…
736	if (x >> 1) { r += 1; }	970	if (x >> 1) { r += 1; }
737		971
738	return r;	972	return r;
739	}	973	}
740		974
741	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	975	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
742	ecb_function_ int ecb_ld64 (uint64_t x)	976	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
743	{	977	{
744	int r = 0;	978	int r = 0;
745		979
746	if (x >> 32) { x >>= 32; r += 32; }	980	if (x >> 32) { x >>= 32; r += 32; }
747		981
748	return r + ecb_ld32 (x);	982	return r + ecb_ld32 (x);
749	}	983	}
750	#endif	984	#endif
751		985
		986	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
		987	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		988	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
		989	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		990
		991	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
		992	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
		993	{
		994	return ( (x * 0x0802U & 0x22110U)
		995	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		996	}
		997
		998	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
		999	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
		1000	{
		1001	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		1002	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		1003	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		1004	x = ( x >> 8 ) | ( x << 8);
		1005
		1006	return x;
		1007	}
		1008
		1009	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
		1010	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
		1011	{
		1012	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		1013	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		1014	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		1015	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		1016	x = ( x >> 16 ) | ( x << 16);
		1017
		1018	return x;
		1019	}
		1020
752	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1021	/* popcount64 is only available on 64 bit cpus as gcc builtin */
753	/* so for this version we are lazy */	1022	/* so for this version we are lazy */
754	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1023	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
755	ecb_function_ int	1024	ecb_function_ ecb_const int
756	ecb_popcount64 (uint64_t x)	1025	ecb_popcount64 (uint64_t x)
757	{	1026	{
758	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1027	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
759	}	1028	}
760		1029
761	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1030	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
762	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1031	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
763	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1032	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
764	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1033	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
765	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1034	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
766	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1035	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
767	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1036	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
768	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1037	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
769		1038
770	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1039	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
771	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1040	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
772	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1041	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
773	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1042	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
774	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1043	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
775	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1044	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
776	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1045	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
777	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1046	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
778		1047
779	#if ECB_GCC_VERSION(4,3)	1048	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1049	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1050	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1051	#else
780	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1052	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1053	#endif
781	#define ecb_bswap32(x) __builtin_bswap32 (x)	1054	#define ecb_bswap32(x) __builtin_bswap32 (x)
782	#define ecb_bswap64(x) __builtin_bswap64 (x)	1055	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1056	#elif _MSC_VER
		1057	#include <stdlib.h>
		1058	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1059	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1060	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
783	#else	1061	#else
784	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1062	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
785	ecb_function_ uint16_t	1063	ecb_function_ ecb_const uint16_t
786	ecb_bswap16 (uint16_t x)	1064	ecb_bswap16 (uint16_t x)
787	{	1065	{
788	return ecb_rotl16 (x, 8);	1066	return ecb_rotl16 (x, 8);
789	}	1067	}
790		1068
791	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1069	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
792	ecb_function_ uint32_t	1070	ecb_function_ ecb_const uint32_t
793	ecb_bswap32 (uint32_t x)	1071	ecb_bswap32 (uint32_t x)
794	{	1072	{
795	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1073	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
796	}	1074	}
797		1075
798	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1076	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
799	ecb_function_ uint64_t	1077	ecb_function_ ecb_const uint64_t
800	ecb_bswap64 (uint64_t x)	1078	ecb_bswap64 (uint64_t x)
801	{	1079	{
802	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1080	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
803	}	1081	}
804	#endif	1082	#endif
805		1083
806	#if ECB_GCC_VERSION(4,5)	1084	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
807	#define ecb_unreachable() __builtin_unreachable ()	1085	#define ecb_unreachable() __builtin_unreachable ()
808	#else	1086	#else
809	/* this seems to work fine, but gcc always emits a warning for it :/ */	1087	/* this seems to work fine, but gcc always emits a warning for it :/ */
810	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	1088	ecb_inline ecb_noreturn void ecb_unreachable (void);
811	ecb_function_ void ecb_unreachable (void) { }	1089	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
812	#endif	1090	#endif
813		1091
814	/* try to tell the compiler that some condition is definitely true */	1092	/* try to tell the compiler that some condition is definitely true */
815	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	1093	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
816		1094
817	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	1095	ecb_inline ecb_const unsigned char ecb_byteorder_helper (void);
818	ecb_function_ unsigned char	1096	ecb_inline ecb_const unsigned char
819	ecb_byteorder_helper (void)	1097	ecb_byteorder_helper (void)
820	{	1098	{
821	const uint32_t u = 0x11223344;	1099	/* the union code still generates code under pressure in gcc, */
822	return *(unsigned char *)&u;	1100	/* but less than using pointers, and always seems to */
		1101	/* successfully return a constant. */
		1102	/* the reason why we have this horrible preprocessor mess */
		1103	/* is to avoid it in all cases, at least on common architectures */
		1104	/* or when using a recent enough gcc version (>= 4.6) */
		1105	#if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64
		1106	return 0x44;
		1107	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		1108	return 0x44;
		1109	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1110	return 0x11;
		1111	#else
		1112	union
		1113	{
		1114	uint32_t i;
		1115	uint8_t c;
		1116	} u = { 0x11223344 };
		1117	return u.c;
		1118	#endif
823	}	1119	}
824		1120
825	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1121	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
826	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1122	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
827	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1123	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
828	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1124	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
829		1125
830	#if ECB_GCC_VERSION(3,0) || ECB_C99	1126	#if ECB_GCC_VERSION(3,0) || ECB_C99
831	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1127	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
832	#else	1128	#else
833	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1129	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1130	#endif
		1131
		1132	#if ECB_CPP
		1133	template<typename T>
		1134	static inline T ecb_div_rd (T val, T div)
		1135	{
		1136	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1137	}
		1138	template<typename T>
		1139	static inline T ecb_div_ru (T val, T div)
		1140	{
		1141	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1142	}
		1143	#else
		1144	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1145	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
834	#endif	1146	#endif
835		1147
836	#if ecb_cplusplus_does_not_suck	1148	#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) */	1149	/* 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>	1150	template<typename T, int N>
…		…
842	}	1154	}
843	#else	1155	#else
844	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1156	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
845	#endif	1157	#endif
846		1158
		1159	/*******************************************************************************/
		1160	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1161
		1162	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1163	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1164	#if 0 \
		1165	|| __i386 || __i386__ \
		1166	|| ECB_GCC_AMD64 \
		1167	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1168	|| defined __s390__ || defined __s390x__ \
		1169	|| defined __mips__ \
		1170	|| defined __alpha__ \
		1171	|| defined __hppa__ \
		1172	|| defined __ia64__ \
		1173	|| defined __m68k__ \
		1174	|| defined __m88k__ \
		1175	|| defined __sh__ \
		1176	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1177	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1178	|| defined __aarch64__
		1179	#define ECB_STDFP 1
		1180	#include <string.h> /* for memcpy */
		1181	#else
		1182	#define ECB_STDFP 0
		1183	#endif
		1184
		1185	#ifndef ECB_NO_LIBM
		1186
		1187	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1188
		1189	/* only the oldest of old doesn't have this one. solaris. */
		1190	#ifdef INFINITY
		1191	#define ECB_INFINITY INFINITY
		1192	#else
		1193	#define ECB_INFINITY HUGE_VAL
		1194	#endif
		1195
		1196	#ifdef NAN
		1197	#define ECB_NAN NAN
		1198	#else
		1199	#define ECB_NAN ECB_INFINITY
		1200	#endif
		1201
		1202	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1203	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1204	#define ecb_frexpf(x,e) frexpf ((x), (e))
		1205	#else
		1206	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
		1207	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
		1208	#endif
		1209
		1210	/* converts an ieee half/binary16 to a float */
		1211	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1212	ecb_function_ ecb_const float
		1213	ecb_binary16_to_float (uint16_t x)
		1214	{
		1215	int e = (x >> 10) & 0x1f;
		1216	int m = x & 0x3ff;
		1217	float r;
		1218
		1219	if (!e ) r = ecb_ldexpf (m , -24);
		1220	else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
		1221	else if (m ) r = ECB_NAN;
		1222	else r = ECB_INFINITY;
		1223
		1224	return x & 0x8000 ? -r : r;
		1225	}
		1226
		1227	/* convert a float to ieee single/binary32 */
		1228	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
		1229	ecb_function_ ecb_const uint32_t
		1230	ecb_float_to_binary32 (float x)
		1231	{
		1232	uint32_t r;
		1233
		1234	#if ECB_STDFP
		1235	memcpy (&r, &x, 4);
		1236	#else
		1237	/* slow emulation, works for anything but -0 */
		1238	uint32_t m;
		1239	int e;
		1240
		1241	if (x == 0e0f ) return 0x00000000U;
		1242	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1243	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1244	if (x != x ) return 0x7fbfffffU;
		1245
		1246	m = ecb_frexpf (x, &e) * 0x1000000U;
		1247
		1248	r = m & 0x80000000U;
		1249
		1250	if (r)
		1251	m = -m;
		1252
		1253	if (e <= -126)
		1254	{
		1255	m &= 0xffffffU;
		1256	m >>= (-125 - e);
		1257	e = -126;
		1258	}
		1259
		1260	r |= (e + 126) << 23;
		1261	r |= m & 0x7fffffU;
		1262	#endif
		1263
		1264	return r;
		1265	}
		1266
		1267	/* converts an ieee single/binary32 to a float */
		1268	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
		1269	ecb_function_ ecb_const float
		1270	ecb_binary32_to_float (uint32_t x)
		1271	{
		1272	float r;
		1273
		1274	#if ECB_STDFP
		1275	memcpy (&r, &x, 4);
		1276	#else
		1277	/* emulation, only works for normals and subnormals and +0 */
		1278	int neg = x >> 31;
		1279	int e = (x >> 23) & 0xffU;
		1280
		1281	x &= 0x7fffffU;
		1282
		1283	if (e)
		1284	x |= 0x800000U;
		1285	else
		1286	e = 1;
		1287
		1288	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1289	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
		1290
		1291	r = neg ? -r : r;
		1292	#endif
		1293
		1294	return r;
		1295	}
		1296
		1297	/* convert a double to ieee double/binary64 */
		1298	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
		1299	ecb_function_ ecb_const uint64_t
		1300	ecb_double_to_binary64 (double x)
		1301	{
		1302	uint64_t r;
		1303
		1304	#if ECB_STDFP
		1305	memcpy (&r, &x, 8);
		1306	#else
		1307	/* slow emulation, works for anything but -0 */
		1308	uint64_t m;
		1309	int e;
		1310
		1311	if (x == 0e0 ) return 0x0000000000000000U;
		1312	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1313	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1314	if (x != x ) return 0X7ff7ffffffffffffU;
		1315
		1316	m = frexp (x, &e) * 0x20000000000000U;
		1317
		1318	r = m & 0x8000000000000000;;
		1319
		1320	if (r)
		1321	m = -m;
		1322
		1323	if (e <= -1022)
		1324	{
		1325	m &= 0x1fffffffffffffU;
		1326	m >>= (-1021 - e);
		1327	e = -1022;
		1328	}
		1329
		1330	r |= ((uint64_t)(e + 1022)) << 52;
		1331	r |= m & 0xfffffffffffffU;
		1332	#endif
		1333
		1334	return r;
		1335	}
		1336
		1337	/* converts an ieee double/binary64 to a double */
		1338	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
		1339	ecb_function_ ecb_const double
		1340	ecb_binary64_to_double (uint64_t x)
		1341	{
		1342	double r;
		1343
		1344	#if ECB_STDFP
		1345	memcpy (&r, &x, 8);
		1346	#else
		1347	/* emulation, only works for normals and subnormals and +0 */
		1348	int neg = x >> 63;
		1349	int e = (x >> 52) & 0x7ffU;
		1350
		1351	x &= 0xfffffffffffffU;
		1352
		1353	if (e)
		1354	x |= 0x10000000000000U;
		1355	else
		1356	e = 1;
		1357
		1358	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1359	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1360
		1361	r = neg ? -r : r;
		1362	#endif
		1363
		1364	return r;
		1365	}
		1366
		1367	#endif
		1368
847	#endif	1369	#endif
848		1370
849	/* ECB.H END */	1371	/* ECB.H END */
		1372
		1373	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1374	/* if your architecture doesn't need memory fences, e.g. because it is
		1375	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1376	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1377	* libev, in which cases the memory fences become nops.
		1378	* alternatively, you can remove this #error and link against libpthread,
		1379	* which will then provide the memory fences.
		1380	*/
		1381	# error "memory fences not defined for your architecture, please report"
		1382	#endif
		1383
		1384	#ifndef ECB_MEMORY_FENCE
		1385	# define ECB_MEMORY_FENCE do { } while (0)
		1386	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1387	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		1388	#endif
850		1389
851	#define expect_false(cond) ecb_expect_false (cond)	1390	#define expect_false(cond) ecb_expect_false (cond)
852	#define expect_true(cond) ecb_expect_true (cond)	1391	#define expect_true(cond) ecb_expect_true (cond)
853	#define noinline ecb_noinline	1392	#define noinline ecb_noinline
854		1393
…		…
1000	{	1539	{
1001	write (STDERR_FILENO, msg, strlen (msg));	1540	write (STDERR_FILENO, msg, strlen (msg));
1002	}	1541	}
1003	#endif	1542	#endif
1004		1543
1005	static void (*syserr_cb)(const char *msg);	1544	static void (*syserr_cb)(const char *msg) EV_THROW;
1006		1545
1007	void ecb_cold	1546	void ecb_cold
1008	ev_set_syserr_cb (void (*cb)(const char *msg))	1547	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1009	{	1548	{
1010	syserr_cb = cb;	1549	syserr_cb = cb;
1011	}	1550	}
1012		1551
1013	static void noinline ecb_cold	1552	static void noinline ecb_cold
…		…
1031	abort ();	1570	abort ();
1032	}	1571	}
1033	}	1572	}
1034		1573
1035	static void *	1574	static void *
1036	ev_realloc_emul (void *ptr, long size)	1575	ev_realloc_emul (void *ptr, long size) EV_THROW
1037	{	1576	{
1038	#if __GLIBC__
1039	return realloc (ptr, size);
1040	#else
1041	/* some systems, notably openbsd and darwin, fail to properly	1577	/* some systems, notably openbsd and darwin, fail to properly
1042	* implement realloc (x, 0) (as required by both ansi c-89 and	1578	* implement realloc (x, 0) (as required by both ansi c-89 and
1043	* the single unix specification, so work around them here.	1579	* the single unix specification, so work around them here.
		1580	* recently, also (at least) fedora and debian started breaking it,
		1581	* despite documenting it otherwise.
1044	*/	1582	*/
1045		1583
1046	if (size)	1584	if (size)
1047	return realloc (ptr, size);	1585	return realloc (ptr, size);
1048		1586
1049	free (ptr);	1587	free (ptr);
1050	return 0;	1588	return 0;
1051	#endif
1052	}	1589	}
1053		1590
1054	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1591	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1055		1592
1056	void ecb_cold	1593	void ecb_cold
1057	ev_set_allocator (void *(*cb)(void *ptr, long size))	1594	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1058	{	1595	{
1059	alloc = cb;	1596	alloc = cb;
1060	}	1597	}
1061		1598
1062	inline_speed void *	1599	inline_speed void *
…		…
1150	#undef VAR	1687	#undef VAR
1151	};	1688	};
1152	#include "ev_wrap.h"	1689	#include "ev_wrap.h"
1153		1690
1154	static struct ev_loop default_loop_struct;	1691	static struct ev_loop default_loop_struct;
1155	struct ev_loop *ev_default_loop_ptr;	1692	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1156		1693
1157	#else	1694	#else
1158		1695
1159	ev_tstamp ev_rt_now;	1696	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;	1697	#define VAR(name,decl) static decl;
1161	#include "ev_vars.h"	1698	#include "ev_vars.h"
1162	#undef VAR	1699	#undef VAR
1163		1700
1164	static int ev_default_loop_ptr;	1701	static int ev_default_loop_ptr;
…		…
1179		1716
1180	/*****************************************************************************/	1717	/*****************************************************************************/
1181		1718
1182	#ifndef EV_HAVE_EV_TIME	1719	#ifndef EV_HAVE_EV_TIME
1183	ev_tstamp	1720	ev_tstamp
1184	ev_time (void)	1721	ev_time (void) EV_THROW
1185	{	1722	{
1186	#if EV_USE_REALTIME	1723	#if EV_USE_REALTIME
1187	if (expect_true (have_realtime))	1724	if (expect_true (have_realtime))
1188	{	1725	{
1189	struct timespec ts;	1726	struct timespec ts;
…		…
1213	return ev_time ();	1750	return ev_time ();
1214	}	1751	}
1215		1752
1216	#if EV_MULTIPLICITY	1753	#if EV_MULTIPLICITY
1217	ev_tstamp	1754	ev_tstamp
1218	ev_now (EV_P)	1755	ev_now (EV_P) EV_THROW
1219	{	1756	{
1220	return ev_rt_now;	1757	return ev_rt_now;
1221	}	1758	}
1222	#endif	1759	#endif
1223		1760
1224	void	1761	void
1225	ev_sleep (ev_tstamp delay)	1762	ev_sleep (ev_tstamp delay) EV_THROW
1226	{	1763	{
1227	if (delay > 0.)	1764	if (delay > 0.)
1228	{	1765	{
1229	#if EV_USE_NANOSLEEP	1766	#if EV_USE_NANOSLEEP
1230	struct timespec ts;	1767	struct timespec ts;
1231		1768
1232	EV_TS_SET (ts, delay);	1769	EV_TS_SET (ts, delay);
1233	nanosleep (&ts, 0);	1770	nanosleep (&ts, 0);
1234	#elif defined(_WIN32)	1771	#elif defined _WIN32
1235	Sleep ((unsigned long)(delay * 1e3));	1772	Sleep ((unsigned long)(delay * 1e3));
1236	#else	1773	#else
1237	struct timeval tv;	1774	struct timeval tv;
1238		1775
1239	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1776	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1258		1795
1259	do	1796	do
1260	ncur <<= 1;	1797	ncur <<= 1;
1261	while (cnt > ncur);	1798	while (cnt > ncur);
1262		1799
1263	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1800	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1264	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1801	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1265	{	1802	{
1266	ncur *= elem;	1803	ncur *= elem;
1267	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1804	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1268	ncur = ncur - sizeof (void *) * 4;	1805	ncur = ncur - sizeof (void *) * 4;
…		…
1311	pendingcb (EV_P_ ev_prepare *w, int revents)	1848	pendingcb (EV_P_ ev_prepare *w, int revents)
1312	{	1849	{
1313	}	1850	}
1314		1851
1315	void noinline	1852	void noinline
1316	ev_feed_event (EV_P_ void *w, int revents)	1853	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1317	{	1854	{
1318	W w_ = (W)w;	1855	W w_ = (W)w;
1319	int pri = ABSPRI (w_);	1856	int pri = ABSPRI (w_);
1320		1857
1321	if (expect_false (w_->pending))	1858	if (expect_false (w_->pending))
…		…
1325	w_->pending = ++pendingcnt [pri];	1862	w_->pending = ++pendingcnt [pri];
1326	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1863	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1327	pendings [pri][w_->pending - 1].w = w_;	1864	pendings [pri][w_->pending - 1].w = w_;
1328	pendings [pri][w_->pending - 1].events = revents;	1865	pendings [pri][w_->pending - 1].events = revents;
1329	}	1866	}
		1867
		1868	pendingpri = NUMPRI - 1;
1330	}	1869	}
1331		1870
1332	inline_speed void	1871	inline_speed void
1333	feed_reverse (EV_P_ W w)	1872	feed_reverse (EV_P_ W w)
1334	{	1873	{
…		…
1380	if (expect_true (!anfd->reify))	1919	if (expect_true (!anfd->reify))
1381	fd_event_nocheck (EV_A_ fd, revents);	1920	fd_event_nocheck (EV_A_ fd, revents);
1382	}	1921	}
1383		1922
1384	void	1923	void
1385	ev_feed_fd_event (EV_P_ int fd, int revents)	1924	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1386	{	1925	{
1387	if (fd >= 0 && fd < anfdmax)	1926	if (fd >= 0 && fd < anfdmax)
1388	fd_event_nocheck (EV_A_ fd, revents);	1927	fd_event_nocheck (EV_A_ fd, revents);
1389	}	1928	}
1390		1929
…		…
1709	static void noinline ecb_cold	2248	static void noinline ecb_cold
1710	evpipe_init (EV_P)	2249	evpipe_init (EV_P)
1711	{	2250	{
1712	if (!ev_is_active (&pipe_w))	2251	if (!ev_is_active (&pipe_w))
1713	{	2252	{
		2253	int fds [2];
		2254
1714	# if EV_USE_EVENTFD	2255	# if EV_USE_EVENTFD
		2256	fds [0] = -1;
1715	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2257	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1716	if (evfd < 0 && errno == EINVAL)	2258	if (fds [1] < 0 && errno == EINVAL)
1717	evfd = eventfd (0, 0);	2259	fds [1] = eventfd (0, 0);
1718		2260
1719	if (evfd >= 0)	2261	if (fds [1] < 0)
		2262	# endif
1720	{	2263	{
		2264	while (pipe (fds))
		2265	ev_syserr ("(libev) error creating signal/async pipe");
		2266
		2267	fd_intern (fds [0]);
		2268	}
		2269
1721	evpipe [0] = -1;	2270	evpipe [0] = fds [0];
1722	fd_intern (evfd); /* doing it twice doesn't hurt */	2271
1723	ev_io_set (&pipe_w, evfd, EV_READ);	2272	if (evpipe [1] < 0)
		2273	evpipe [1] = fds [1]; /* first call, set write fd */
		2274	else
		2275	{
		2276	/* on subsequent calls, do not change evpipe [1] */
		2277	/* so that evpipe_write can always rely on its value. */
		2278	/* this branch does not do anything sensible on windows, */
		2279	/* so must not be executed on windows */
		2280
		2281	dup2 (fds [1], evpipe [1]);
		2282	close (fds [1]);
		2283	}
		2284
		2285	fd_intern (evpipe [1]);
		2286
		2287	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2288	ev_io_start (EV_A_ &pipe_w);
		2289	ev_unref (EV_A); /* watcher should not keep loop alive */
		2290	}
		2291	}
		2292
		2293	inline_speed void
		2294	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2295	{
		2296	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2297
		2298	if (expect_true (*flag))
		2299	return;
		2300
		2301	*flag = 1;
		2302	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2303
		2304	pipe_write_skipped = 1;
		2305
		2306	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2307
		2308	if (pipe_write_wanted)
		2309	{
		2310	int old_errno;
		2311
		2312	pipe_write_skipped = 0;
		2313	ECB_MEMORY_FENCE_RELEASE;
		2314
		2315	old_errno = errno; /* save errno because write will clobber it */
		2316
		2317	#if EV_USE_EVENTFD
		2318	if (evpipe [0] < 0)
		2319	{
		2320	uint64_t counter = 1;
		2321	write (evpipe [1], &counter, sizeof (uint64_t));
1724	}	2322	}
1725	else	2323	else
1726	# endif	2324	#endif
1727	{	2325	{
1728	while (pipe (evpipe))	2326	#ifdef _WIN32
1729	ev_syserr ("(libev) error creating signal/async pipe");	2327	WSABUF buf;
1730		2328	DWORD sent;
1731	fd_intern (evpipe [0]);	2329	buf.buf = &buf;
1732	fd_intern (evpipe [1]);	2330	buf.len = 1;
1733	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2331	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1734	}	2332	#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);	2333	write (evpipe [1], &(evpipe [1]), 1);
		2334	#endif
1778	}	2335	}
1779		2336
1780	errno = old_errno;	2337	errno = old_errno;
1781	}	2338	}
1782	}	2339	}
…		…
1789	int i;	2346	int i;
1790		2347
1791	if (revents & EV_READ)	2348	if (revents & EV_READ)
1792	{	2349	{
1793	#if EV_USE_EVENTFD	2350	#if EV_USE_EVENTFD
1794	if (evfd >= 0)	2351	if (evpipe [0] < 0)
1795	{	2352	{
1796	uint64_t counter;	2353	uint64_t counter;
1797	read (evfd, &counter, sizeof (uint64_t));	2354	read (evpipe [1], &counter, sizeof (uint64_t));
1798	}	2355	}
1799	else	2356	else
1800	#endif	2357	#endif
1801	{	2358	{
1802	char dummy;	2359	char dummy[4];
1803	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2360	#ifdef _WIN32
		2361	WSABUF buf;
		2362	DWORD recvd;
		2363	DWORD flags = 0;
		2364	buf.buf = dummy;
		2365	buf.len = sizeof (dummy);
		2366	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2367	#else
1804	read (evpipe [0], &dummy, 1);	2368	read (evpipe [0], &dummy, sizeof (dummy));
		2369	#endif
1805	}	2370	}
1806	}	2371	}
1807		2372
1808	pipe_write_skipped = 0;	2373	pipe_write_skipped = 0;
		2374
		2375	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1809		2376
1810	#if EV_SIGNAL_ENABLE	2377	#if EV_SIGNAL_ENABLE
1811	if (sig_pending)	2378	if (sig_pending)
1812	{	2379	{
1813	sig_pending = 0;	2380	sig_pending = 0;
		2381
		2382	ECB_MEMORY_FENCE;
1814		2383
1815	for (i = EV_NSIG - 1; i--; )	2384	for (i = EV_NSIG - 1; i--; )
1816	if (expect_false (signals [i].pending))	2385	if (expect_false (signals [i].pending))
1817	ev_feed_signal_event (EV_A_ i + 1);	2386	ev_feed_signal_event (EV_A_ i + 1);
1818	}	2387	}
…		…
1820		2389
1821	#if EV_ASYNC_ENABLE	2390	#if EV_ASYNC_ENABLE
1822	if (async_pending)	2391	if (async_pending)
1823	{	2392	{
1824	async_pending = 0;	2393	async_pending = 0;
		2394
		2395	ECB_MEMORY_FENCE;
1825		2396
1826	for (i = asynccnt; i--; )	2397	for (i = asynccnt; i--; )
1827	if (asyncs [i]->sent)	2398	if (asyncs [i]->sent)
1828	{	2399	{
1829	asyncs [i]->sent = 0;	2400	asyncs [i]->sent = 0;
		2401	ECB_MEMORY_FENCE_RELEASE;
1830	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2402	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1831	}	2403	}
1832	}	2404	}
1833	#endif	2405	#endif
1834	}	2406	}
1835		2407
1836	/*****************************************************************************/	2408	/*****************************************************************************/
1837		2409
1838	void	2410	void
1839	ev_feed_signal (int signum)	2411	ev_feed_signal (int signum) EV_THROW
1840	{	2412	{
1841	#if EV_MULTIPLICITY	2413	#if EV_MULTIPLICITY
		2414	EV_P;
		2415	ECB_MEMORY_FENCE_ACQUIRE;
1842	EV_P = signals [signum - 1].loop;	2416	EV_A = signals [signum - 1].loop;
1843		2417
1844	if (!EV_A)	2418	if (!EV_A)
1845	return;	2419	return;
1846	#endif	2420	#endif
1847		2421
1848	if (!ev_active (&pipe_w))
1849	return;
1850
1851	signals [signum - 1].pending = 1;	2422	signals [signum - 1].pending = 1;
1852	evpipe_write (EV_A_ &sig_pending);	2423	evpipe_write (EV_A_ &sig_pending);
1853	}	2424	}
1854		2425
1855	static void	2426	static void
…		…
1861		2432
1862	ev_feed_signal (signum);	2433	ev_feed_signal (signum);
1863	}	2434	}
1864		2435
1865	void noinline	2436	void noinline
1866	ev_feed_signal_event (EV_P_ int signum)	2437	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1867	{	2438	{
1868	WL w;	2439	WL w;
1869		2440
1870	if (expect_false (signum <= 0 || signum > EV_NSIG))	2441	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1871	return;	2442	return;
1872		2443
1873	--signum;	2444	--signum;
1874		2445
1875	#if EV_MULTIPLICITY	2446	#if EV_MULTIPLICITY
…		…
1879	if (expect_false (signals [signum].loop != EV_A))	2450	if (expect_false (signals [signum].loop != EV_A))
1880	return;	2451	return;
1881	#endif	2452	#endif
1882		2453
1883	signals [signum].pending = 0;	2454	signals [signum].pending = 0;
		2455	ECB_MEMORY_FENCE_RELEASE;
1884		2456
1885	for (w = signals [signum].head; w; w = w->next)	2457	for (w = signals [signum].head; w; w = w->next)
1886	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2458	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1887	}	2459	}
1888		2460
…		…
1987	#if EV_USE_SELECT	2559	#if EV_USE_SELECT
1988	# include "ev_select.c"	2560	# include "ev_select.c"
1989	#endif	2561	#endif
1990		2562
1991	int ecb_cold	2563	int ecb_cold
1992	ev_version_major (void)	2564	ev_version_major (void) EV_THROW
1993	{	2565	{
1994	return EV_VERSION_MAJOR;	2566	return EV_VERSION_MAJOR;
1995	}	2567	}
1996		2568
1997	int ecb_cold	2569	int ecb_cold
1998	ev_version_minor (void)	2570	ev_version_minor (void) EV_THROW
1999	{	2571	{
2000	return EV_VERSION_MINOR;	2572	return EV_VERSION_MINOR;
2001	}	2573	}
2002		2574
2003	/* return true if we are running with elevated privileges and should ignore env variables */	2575	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2011	|| getgid () != getegid ();	2583	|| getgid () != getegid ();
2012	#endif	2584	#endif
2013	}	2585	}
2014		2586
2015	unsigned int ecb_cold	2587	unsigned int ecb_cold
2016	ev_supported_backends (void)	2588	ev_supported_backends (void) EV_THROW
2017	{	2589	{
2018	unsigned int flags = 0;	2590	unsigned int flags = 0;
2019		2591
2020	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2592	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2021	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2593	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2025		2597
2026	return flags;	2598	return flags;
2027	}	2599	}
2028		2600
2029	unsigned int ecb_cold	2601	unsigned int ecb_cold
2030	ev_recommended_backends (void)	2602	ev_recommended_backends (void) EV_THROW
2031	{	2603	{
2032	unsigned int flags = ev_supported_backends ();	2604	unsigned int flags = ev_supported_backends ();
2033		2605
2034	#ifndef __NetBSD__	2606	#ifndef __NetBSD__
2035	/* kqueue is borked on everything but netbsd apparently */	2607	/* kqueue is borked on everything but netbsd apparently */
…		…
2047		2619
2048	return flags;	2620	return flags;
2049	}	2621	}
2050		2622
2051	unsigned int ecb_cold	2623	unsigned int ecb_cold
2052	ev_embeddable_backends (void)	2624	ev_embeddable_backends (void) EV_THROW
2053	{	2625	{
2054	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2626	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2055		2627
2056	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2628	/* 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 */	2629	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2059		2631
2060	return flags;	2632	return flags;
2061	}	2633	}
2062		2634
2063	unsigned int	2635	unsigned int
2064	ev_backend (EV_P)	2636	ev_backend (EV_P) EV_THROW
2065	{	2637	{
2066	return backend;	2638	return backend;
2067	}	2639	}
2068		2640
2069	#if EV_FEATURE_API	2641	#if EV_FEATURE_API
2070	unsigned int	2642	unsigned int
2071	ev_iteration (EV_P)	2643	ev_iteration (EV_P) EV_THROW
2072	{	2644	{
2073	return loop_count;	2645	return loop_count;
2074	}	2646	}
2075		2647
2076	unsigned int	2648	unsigned int
2077	ev_depth (EV_P)	2649	ev_depth (EV_P) EV_THROW
2078	{	2650	{
2079	return loop_depth;	2651	return loop_depth;
2080	}	2652	}
2081		2653
2082	void	2654	void
2083	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2655	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2084	{	2656	{
2085	io_blocktime = interval;	2657	io_blocktime = interval;
2086	}	2658	}
2087		2659
2088	void	2660	void
2089	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2661	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2090	{	2662	{
2091	timeout_blocktime = interval;	2663	timeout_blocktime = interval;
2092	}	2664	}
2093		2665
2094	void	2666	void
2095	ev_set_userdata (EV_P_ void *data)	2667	ev_set_userdata (EV_P_ void *data) EV_THROW
2096	{	2668	{
2097	userdata = data;	2669	userdata = data;
2098	}	2670	}
2099		2671
2100	void *	2672	void *
2101	ev_userdata (EV_P)	2673	ev_userdata (EV_P) EV_THROW
2102	{	2674	{
2103	return userdata;	2675	return userdata;
2104	}	2676	}
2105		2677
2106	void	2678	void
2107	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2679	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
2108	{	2680	{
2109	invoke_cb = invoke_pending_cb;	2681	invoke_cb = invoke_pending_cb;
2110	}	2682	}
2111		2683
2112	void	2684	void
2113	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2685	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2114	{	2686	{
2115	release_cb = release;	2687	release_cb = release;
2116	acquire_cb = acquire;	2688	acquire_cb = acquire;
2117	}	2689	}
2118	#endif	2690	#endif
2119		2691
2120	/* initialise a loop structure, must be zero-initialised */	2692	/* initialise a loop structure, must be zero-initialised */
2121	static void noinline ecb_cold	2693	static void noinline ecb_cold
2122	loop_init (EV_P_ unsigned int flags)	2694	loop_init (EV_P_ unsigned int flags) EV_THROW
2123	{	2695	{
2124	if (!backend)	2696	if (!backend)
2125	{	2697	{
2126	origflags = flags;	2698	origflags = flags;
2127		2699
…		…
2172	#if EV_ASYNC_ENABLE	2744	#if EV_ASYNC_ENABLE
2173	async_pending = 0;	2745	async_pending = 0;
2174	#endif	2746	#endif
2175	pipe_write_skipped = 0;	2747	pipe_write_skipped = 0;
2176	pipe_write_wanted = 0;	2748	pipe_write_wanted = 0;
		2749	evpipe [0] = -1;
		2750	evpipe [1] = -1;
2177	#if EV_USE_INOTIFY	2751	#if EV_USE_INOTIFY
2178	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2752	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2179	#endif	2753	#endif
2180	#if EV_USE_SIGNALFD	2754	#if EV_USE_SIGNALFD
2181	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2755	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2232	EV_INVOKE_PENDING;	2806	EV_INVOKE_PENDING;
2233	}	2807	}
2234	#endif	2808	#endif
2235		2809
2236	#if EV_CHILD_ENABLE	2810	#if EV_CHILD_ENABLE
2237	if (ev_is_active (&childev))	2811	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2238	{	2812	{
2239	ev_ref (EV_A); /* child watcher */	2813	ev_ref (EV_A); /* child watcher */
2240	ev_signal_stop (EV_A_ &childev);	2814	ev_signal_stop (EV_A_ &childev);
2241	}	2815	}
2242	#endif	2816	#endif
…		…
2244	if (ev_is_active (&pipe_w))	2818	if (ev_is_active (&pipe_w))
2245	{	2819	{
2246	/*ev_ref (EV_A);*/	2820	/*ev_ref (EV_A);*/
2247	/*ev_io_stop (EV_A_ &pipe_w);*/	2821	/*ev_io_stop (EV_A_ &pipe_w);*/
2248		2822
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]);	2823	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2257	EV_WIN32_CLOSE_FD (evpipe [1]);	2824	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2258	}
2259	}	2825	}
2260		2826
2261	#if EV_USE_SIGNALFD	2827	#if EV_USE_SIGNALFD
2262	if (ev_is_active (&sigfd_w))	2828	if (ev_is_active (&sigfd_w))
2263	close (sigfd);	2829	close (sigfd);
…		…
2349	#endif	2915	#endif
2350	#if EV_USE_INOTIFY	2916	#if EV_USE_INOTIFY
2351	infy_fork (EV_A);	2917	infy_fork (EV_A);
2352	#endif	2918	#endif
2353		2919
		2920	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2354	if (ev_is_active (&pipe_w))	2921	if (ev_is_active (&pipe_w))
2355	{	2922	{
2356	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2923	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2357		2924
2358	ev_ref (EV_A);	2925	ev_ref (EV_A);
2359	ev_io_stop (EV_A_ &pipe_w);	2926	ev_io_stop (EV_A_ &pipe_w);
2360		2927
2361	#if EV_USE_EVENTFD
2362	if (evfd >= 0)
2363	close (evfd);
2364	#endif
2365
2366	if (evpipe [0] >= 0)	2928	if (evpipe [0] >= 0)
2367	{
2368	EV_WIN32_CLOSE_FD (evpipe [0]);	2929	EV_WIN32_CLOSE_FD (evpipe [0]);
2369	EV_WIN32_CLOSE_FD (evpipe [1]);
2370	}
2371		2930
2372	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2373	evpipe_init (EV_A);	2931	evpipe_init (EV_A);
2374	/* now iterate over everything, in case we missed something */	2932	/* iterate over everything, in case we missed something before */
2375	pipecb (EV_A_ &pipe_w, EV_READ);	2933	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2376	#endif
2377	}	2934	}
		2935	#endif
2378		2936
2379	postfork = 0;	2937	postfork = 0;
2380	}	2938	}
2381		2939
2382	#if EV_MULTIPLICITY	2940	#if EV_MULTIPLICITY
2383		2941
2384	struct ev_loop * ecb_cold	2942	struct ev_loop * ecb_cold
2385	ev_loop_new (unsigned int flags)	2943	ev_loop_new (unsigned int flags) EV_THROW
2386	{	2944	{
2387	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2945	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2388		2946
2389	memset (EV_A, 0, sizeof (struct ev_loop));	2947	memset (EV_A, 0, sizeof (struct ev_loop));
2390	loop_init (EV_A_ flags);	2948	loop_init (EV_A_ flags);
…		…
2434	}	2992	}
2435	#endif	2993	#endif
2436		2994
2437	#if EV_FEATURE_API	2995	#if EV_FEATURE_API
2438	void ecb_cold	2996	void ecb_cold
2439	ev_verify (EV_P)	2997	ev_verify (EV_P) EV_THROW
2440	{	2998	{
2441	#if EV_VERIFY	2999	#if EV_VERIFY
2442	int i;	3000	int i;
2443	WL w;	3001	WL w, w2;
2444		3002
2445	assert (activecnt >= -1);	3003	assert (activecnt >= -1);
2446		3004
2447	assert (fdchangemax >= fdchangecnt);	3005	assert (fdchangemax >= fdchangecnt);
2448	for (i = 0; i < fdchangecnt; ++i)	3006	for (i = 0; i < fdchangecnt; ++i)
2449	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	3007	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2450		3008
2451	assert (anfdmax >= 0);	3009	assert (anfdmax >= 0);
2452	for (i = 0; i < anfdmax; ++i)	3010	for (i = 0; i < anfdmax; ++i)
		3011	{
		3012	int j = 0;
		3013
2453	for (w = anfds [i].head; w; w = w->next)	3014	for (w = w2 = anfds [i].head; w; w = w->next)
2454	{	3015	{
2455	verify_watcher (EV_A_ (W)w);	3016	verify_watcher (EV_A_ (W)w);
		3017
		3018	if (j++ & 1)
		3019	{
		3020	assert (("libev: io watcher list contains a loop", w != w2));
		3021	w2 = w2->next;
		3022	}
		3023
2456	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	3024	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));	3025	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2458	}	3026	}
		3027	}
2459		3028
2460	assert (timermax >= timercnt);	3029	assert (timermax >= timercnt);
2461	verify_heap (EV_A_ timers, timercnt);	3030	verify_heap (EV_A_ timers, timercnt);
2462		3031
2463	#if EV_PERIODIC_ENABLE	3032	#if EV_PERIODIC_ENABLE
…		…
2513	#if EV_MULTIPLICITY	3082	#if EV_MULTIPLICITY
2514	struct ev_loop * ecb_cold	3083	struct ev_loop * ecb_cold
2515	#else	3084	#else
2516	int	3085	int
2517	#endif	3086	#endif
2518	ev_default_loop (unsigned int flags)	3087	ev_default_loop (unsigned int flags) EV_THROW
2519	{	3088	{
2520	if (!ev_default_loop_ptr)	3089	if (!ev_default_loop_ptr)
2521	{	3090	{
2522	#if EV_MULTIPLICITY	3091	#if EV_MULTIPLICITY
2523	EV_P = ev_default_loop_ptr = &default_loop_struct;	3092	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2542		3111
2543	return ev_default_loop_ptr;	3112	return ev_default_loop_ptr;
2544	}	3113	}
2545		3114
2546	void	3115	void
2547	ev_loop_fork (EV_P)	3116	ev_loop_fork (EV_P) EV_THROW
2548	{	3117	{
2549	postfork = 1; /* must be in line with ev_default_fork */	3118	postfork = 1;
2550	}	3119	}
2551		3120
2552	/*****************************************************************************/	3121	/*****************************************************************************/
2553		3122
2554	void	3123	void
…		…
2556	{	3125	{
2557	EV_CB_INVOKE ((W)w, revents);	3126	EV_CB_INVOKE ((W)w, revents);
2558	}	3127	}
2559		3128
2560	unsigned int	3129	unsigned int
2561	ev_pending_count (EV_P)	3130	ev_pending_count (EV_P) EV_THROW
2562	{	3131	{
2563	int pri;	3132	int pri;
2564	unsigned int count = 0;	3133	unsigned int count = 0;
2565		3134
2566	for (pri = NUMPRI; pri--; )	3135	for (pri = NUMPRI; pri--; )
…		…
2570	}	3139	}
2571		3140
2572	void noinline	3141	void noinline
2573	ev_invoke_pending (EV_P)	3142	ev_invoke_pending (EV_P)
2574	{	3143	{
2575	int pri;	3144	pendingpri = NUMPRI;
2576		3145
2577	for (pri = NUMPRI; pri--; )	3146	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3147	{
		3148	--pendingpri;
		3149
2578	while (pendingcnt [pri])	3150	while (pendingcnt [pendingpri])
2579	{	3151	{
2580	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3152	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2581		3153
2582	p->w->pending = 0;	3154	p->w->pending = 0;
2583	EV_CB_INVOKE (p->w, p->events);	3155	EV_CB_INVOKE (p->w, p->events);
2584	EV_FREQUENT_CHECK;	3156	EV_FREQUENT_CHECK;
2585	}	3157	}
		3158	}
2586	}	3159	}
2587		3160
2588	#if EV_IDLE_ENABLE	3161	#if EV_IDLE_ENABLE
2589	/* make idle watchers pending. this handles the "call-idle */	3162	/* make idle watchers pending. this handles the "call-idle */
2590	/* only when higher priorities are idle" logic */	3163	/* only when higher priorities are idle" logic */
…		…
2680	{	3253	{
2681	EV_FREQUENT_CHECK;	3254	EV_FREQUENT_CHECK;
2682		3255
2683	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3256	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2684	{	3257	{
2685	int feed_count = 0;
2686
2687	do	3258	do
2688	{	3259	{
2689	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3260	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2690		3261
2691	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3262	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2825		3396
2826	mn_now = ev_rt_now;	3397	mn_now = ev_rt_now;
2827	}	3398	}
2828	}	3399	}
2829		3400
2830	void	3401	int
2831	ev_run (EV_P_ int flags)	3402	ev_run (EV_P_ int flags)
2832	{	3403	{
2833	#if EV_FEATURE_API	3404	#if EV_FEATURE_API
2834	++loop_depth;	3405	++loop_depth;
2835	#endif	3406	#endif
…		…
2948	#endif	3519	#endif
2949	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3520	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2950	backend_poll (EV_A_ waittime);	3521	backend_poll (EV_A_ waittime);
2951	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3522	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2952		3523
2953	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3524	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2954		3525
		3526	ECB_MEMORY_FENCE_ACQUIRE;
2955	if (pipe_write_skipped)	3527	if (pipe_write_skipped)
2956	{	3528	{
2957	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3529	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);	3530	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2959	}	3531	}
…		…
2992	loop_done = EVBREAK_CANCEL;	3564	loop_done = EVBREAK_CANCEL;
2993		3565
2994	#if EV_FEATURE_API	3566	#if EV_FEATURE_API
2995	--loop_depth;	3567	--loop_depth;
2996	#endif	3568	#endif
		3569
		3570	return activecnt;
2997	}	3571	}
2998		3572
2999	void	3573	void
3000	ev_break (EV_P_ int how)	3574	ev_break (EV_P_ int how) EV_THROW
3001	{	3575	{
3002	loop_done = how;	3576	loop_done = how;
3003	}	3577	}
3004		3578
3005	void	3579	void
3006	ev_ref (EV_P)	3580	ev_ref (EV_P) EV_THROW
3007	{	3581	{
3008	++activecnt;	3582	++activecnt;
3009	}	3583	}
3010		3584
3011	void	3585	void
3012	ev_unref (EV_P)	3586	ev_unref (EV_P) EV_THROW
3013	{	3587	{
3014	--activecnt;	3588	--activecnt;
3015	}	3589	}
3016		3590
3017	void	3591	void
3018	ev_now_update (EV_P)	3592	ev_now_update (EV_P) EV_THROW
3019	{	3593	{
3020	time_update (EV_A_ 1e100);	3594	time_update (EV_A_ 1e100);
3021	}	3595	}
3022		3596
3023	void	3597	void
3024	ev_suspend (EV_P)	3598	ev_suspend (EV_P) EV_THROW
3025	{	3599	{
3026	ev_now_update (EV_A);	3600	ev_now_update (EV_A);
3027	}	3601	}
3028		3602
3029	void	3603	void
3030	ev_resume (EV_P)	3604	ev_resume (EV_P) EV_THROW
3031	{	3605	{
3032	ev_tstamp mn_prev = mn_now;	3606	ev_tstamp mn_prev = mn_now;
3033		3607
3034	ev_now_update (EV_A);	3608	ev_now_update (EV_A);
3035	timers_reschedule (EV_A_ mn_now - mn_prev);	3609	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3074	w->pending = 0;	3648	w->pending = 0;
3075	}	3649	}
3076	}	3650	}
3077		3651
3078	int	3652	int
3079	ev_clear_pending (EV_P_ void *w)	3653	ev_clear_pending (EV_P_ void *w) EV_THROW
3080	{	3654	{
3081	W w_ = (W)w;	3655	W w_ = (W)w;
3082	int pending = w_->pending;	3656	int pending = w_->pending;
3083		3657
3084	if (expect_true (pending))	3658	if (expect_true (pending))
…		…
3117	}	3691	}
3118		3692
3119	/*****************************************************************************/	3693	/*****************************************************************************/
3120		3694
3121	void noinline	3695	void noinline
3122	ev_io_start (EV_P_ ev_io *w)	3696	ev_io_start (EV_P_ ev_io *w) EV_THROW
3123	{	3697	{
3124	int fd = w->fd;	3698	int fd = w->fd;
3125		3699
3126	if (expect_false (ev_is_active (w)))	3700	if (expect_false (ev_is_active (w)))
3127	return;	3701	return;
…		…
3133		3707
3134	ev_start (EV_A_ (W)w, 1);	3708	ev_start (EV_A_ (W)w, 1);
3135	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3709	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3136	wlist_add (&anfds[fd].head, (WL)w);	3710	wlist_add (&anfds[fd].head, (WL)w);
3137		3711
		3712	/* common bug, apparently */
		3713	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3714
3138	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3715	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3139	w->events &= ~EV__IOFDSET;	3716	w->events &= ~EV__IOFDSET;
3140		3717
3141	EV_FREQUENT_CHECK;	3718	EV_FREQUENT_CHECK;
3142	}	3719	}
3143		3720
3144	void noinline	3721	void noinline
3145	ev_io_stop (EV_P_ ev_io *w)	3722	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3146	{	3723	{
3147	clear_pending (EV_A_ (W)w);	3724	clear_pending (EV_A_ (W)w);
3148	if (expect_false (!ev_is_active (w)))	3725	if (expect_false (!ev_is_active (w)))
3149	return;	3726	return;
3150		3727
…		…
3159		3736
3160	EV_FREQUENT_CHECK;	3737	EV_FREQUENT_CHECK;
3161	}	3738	}
3162		3739
3163	void noinline	3740	void noinline
3164	ev_timer_start (EV_P_ ev_timer *w)	3741	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3165	{	3742	{
3166	if (expect_false (ev_is_active (w)))	3743	if (expect_false (ev_is_active (w)))
3167	return;	3744	return;
3168		3745
3169	ev_at (w) += mn_now;	3746	ev_at (w) += mn_now;
…		…
3183		3760
3184	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3761	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3185	}	3762	}
3186		3763
3187	void noinline	3764	void noinline
3188	ev_timer_stop (EV_P_ ev_timer *w)	3765	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3189	{	3766	{
3190	clear_pending (EV_A_ (W)w);	3767	clear_pending (EV_A_ (W)w);
3191	if (expect_false (!ev_is_active (w)))	3768	if (expect_false (!ev_is_active (w)))
3192	return;	3769	return;
3193		3770
…		…
3213		3790
3214	EV_FREQUENT_CHECK;	3791	EV_FREQUENT_CHECK;
3215	}	3792	}
3216		3793
3217	void noinline	3794	void noinline
3218	ev_timer_again (EV_P_ ev_timer *w)	3795	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3219	{	3796	{
3220	EV_FREQUENT_CHECK;	3797	EV_FREQUENT_CHECK;
		3798
		3799	clear_pending (EV_A_ (W)w);
3221		3800
3222	if (ev_is_active (w))	3801	if (ev_is_active (w))
3223	{	3802	{
3224	if (w->repeat)	3803	if (w->repeat)
3225	{	3804	{
…		…
3238		3817
3239	EV_FREQUENT_CHECK;	3818	EV_FREQUENT_CHECK;
3240	}	3819	}
3241		3820
3242	ev_tstamp	3821	ev_tstamp
3243	ev_timer_remaining (EV_P_ ev_timer *w)	3822	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3244	{	3823	{
3245	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3824	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3246	}	3825	}
3247		3826
3248	#if EV_PERIODIC_ENABLE	3827	#if EV_PERIODIC_ENABLE
3249	void noinline	3828	void noinline
3250	ev_periodic_start (EV_P_ ev_periodic *w)	3829	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3251	{	3830	{
3252	if (expect_false (ev_is_active (w)))	3831	if (expect_false (ev_is_active (w)))
3253	return;	3832	return;
3254		3833
3255	if (w->reschedule_cb)	3834	if (w->reschedule_cb)
…		…
3275		3854
3276	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3855	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3277	}	3856	}
3278		3857
3279	void noinline	3858	void noinline
3280	ev_periodic_stop (EV_P_ ev_periodic *w)	3859	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3281	{	3860	{
3282	clear_pending (EV_A_ (W)w);	3861	clear_pending (EV_A_ (W)w);
3283	if (expect_false (!ev_is_active (w)))	3862	if (expect_false (!ev_is_active (w)))
3284	return;	3863	return;
3285		3864
…		…
3303		3882
3304	EV_FREQUENT_CHECK;	3883	EV_FREQUENT_CHECK;
3305	}	3884	}
3306		3885
3307	void noinline	3886	void noinline
3308	ev_periodic_again (EV_P_ ev_periodic *w)	3887	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3309	{	3888	{
3310	/* TODO: use adjustheap and recalculation */	3889	/* TODO: use adjustheap and recalculation */
3311	ev_periodic_stop (EV_A_ w);	3890	ev_periodic_stop (EV_A_ w);
3312	ev_periodic_start (EV_A_ w);	3891	ev_periodic_start (EV_A_ w);
3313	}	3892	}
…		…
3318	#endif	3897	#endif
3319		3898
3320	#if EV_SIGNAL_ENABLE	3899	#if EV_SIGNAL_ENABLE
3321		3900
3322	void noinline	3901	void noinline
3323	ev_signal_start (EV_P_ ev_signal *w)	3902	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3324	{	3903	{
3325	if (expect_false (ev_is_active (w)))	3904	if (expect_false (ev_is_active (w)))
3326	return;	3905	return;
3327		3906
3328	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3907	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3330	#if EV_MULTIPLICITY	3909	#if EV_MULTIPLICITY
3331	assert (("libev: a signal must not be attached to two different loops",	3910	assert (("libev: a signal must not be attached to two different loops",
3332	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3911	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3333		3912
3334	signals [w->signum - 1].loop = EV_A;	3913	signals [w->signum - 1].loop = EV_A;
		3914	ECB_MEMORY_FENCE_RELEASE;
3335	#endif	3915	#endif
3336		3916
3337	EV_FREQUENT_CHECK;	3917	EV_FREQUENT_CHECK;
3338		3918
3339	#if EV_USE_SIGNALFD	3919	#if EV_USE_SIGNALFD
…		…
3399		3979
3400	EV_FREQUENT_CHECK;	3980	EV_FREQUENT_CHECK;
3401	}	3981	}
3402		3982
3403	void noinline	3983	void noinline
3404	ev_signal_stop (EV_P_ ev_signal *w)	3984	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3405	{	3985	{
3406	clear_pending (EV_A_ (W)w);	3986	clear_pending (EV_A_ (W)w);
3407	if (expect_false (!ev_is_active (w)))	3987	if (expect_false (!ev_is_active (w)))
3408	return;	3988	return;
3409		3989
…		…
3440	#endif	4020	#endif
3441		4021
3442	#if EV_CHILD_ENABLE	4022	#if EV_CHILD_ENABLE
3443		4023
3444	void	4024	void
3445	ev_child_start (EV_P_ ev_child *w)	4025	ev_child_start (EV_P_ ev_child *w) EV_THROW
3446	{	4026	{
3447	#if EV_MULTIPLICITY	4027	#if EV_MULTIPLICITY
3448	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4028	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3449	#endif	4029	#endif
3450	if (expect_false (ev_is_active (w)))	4030	if (expect_false (ev_is_active (w)))
…		…
3457		4037
3458	EV_FREQUENT_CHECK;	4038	EV_FREQUENT_CHECK;
3459	}	4039	}
3460		4040
3461	void	4041	void
3462	ev_child_stop (EV_P_ ev_child *w)	4042	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3463	{	4043	{
3464	clear_pending (EV_A_ (W)w);	4044	clear_pending (EV_A_ (W)w);
3465	if (expect_false (!ev_is_active (w)))	4045	if (expect_false (!ev_is_active (w)))
3466	return;	4046	return;
3467		4047
…		…
3494	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4074	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3495		4075
3496	static void noinline	4076	static void noinline
3497	infy_add (EV_P_ ev_stat *w)	4077	infy_add (EV_P_ ev_stat *w)
3498	{	4078	{
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);	4079	w->wd = inotify_add_watch (fs_fd, w->path,
		4080	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		4081	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		4082	| IN_DONT_FOLLOW | IN_MASK_ADD);
3500		4083
3501	if (w->wd >= 0)	4084	if (w->wd >= 0)
3502	{	4085	{
3503	struct statfs sfs;	4086	struct statfs sfs;
3504		4087
…		…
3508		4091
3509	if (!fs_2625)	4092	if (!fs_2625)
3510	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4093	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3511	else if (!statfs (w->path, &sfs)	4094	else if (!statfs (w->path, &sfs)
3512	&& (sfs.f_type == 0x1373 /* devfs */	4095	&& (sfs.f_type == 0x1373 /* devfs */
		4096	|| sfs.f_type == 0x4006 /* fat */
		4097	|| sfs.f_type == 0x4d44 /* msdos */
3513	|| sfs.f_type == 0xEF53 /* ext2/3 */	4098	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4099	|| sfs.f_type == 0x72b6 /* jffs2 */
		4100	|| sfs.f_type == 0x858458f6 /* ramfs */
		4101	|| sfs.f_type == 0x5346544e /* ntfs */
3514	|| sfs.f_type == 0x3153464a /* jfs */	4102	|| sfs.f_type == 0x3153464a /* jfs */
		4103	|| sfs.f_type == 0x9123683e /* btrfs */
3515	|| sfs.f_type == 0x52654973 /* reiser3 */	4104	|| sfs.f_type == 0x52654973 /* reiser3 */
3516	|| sfs.f_type == 0x01021994 /* tempfs */	4105	|| sfs.f_type == 0x01021994 /* tmpfs */
3517	|| sfs.f_type == 0x58465342 /* xfs */))	4106	|| sfs.f_type == 0x58465342 /* xfs */))
3518	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4107	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3519	else	4108	else
3520	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4109	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3521	}	4110	}
…		…
3634	}	4223	}
3635		4224
3636	inline_size int	4225	inline_size int
3637	infy_newfd (void)	4226	infy_newfd (void)
3638	{	4227	{
3639	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4228	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3640	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4229	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3641	if (fd >= 0)	4230	if (fd >= 0)
3642	return fd;	4231	return fd;
3643	#endif	4232	#endif
3644	return inotify_init ();	4233	return inotify_init ();
…		…
3719	#else	4308	#else
3720	# define EV_LSTAT(p,b) lstat (p, b)	4309	# define EV_LSTAT(p,b) lstat (p, b)
3721	#endif	4310	#endif
3722		4311
3723	void	4312	void
3724	ev_stat_stat (EV_P_ ev_stat *w)	4313	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3725	{	4314	{
3726	if (lstat (w->path, &w->attr) < 0)	4315	if (lstat (w->path, &w->attr) < 0)
3727	w->attr.st_nlink = 0;	4316	w->attr.st_nlink = 0;
3728	else if (!w->attr.st_nlink)	4317	else if (!w->attr.st_nlink)
3729	w->attr.st_nlink = 1;	4318	w->attr.st_nlink = 1;
…		…
3768	ev_feed_event (EV_A_ w, EV_STAT);	4357	ev_feed_event (EV_A_ w, EV_STAT);
3769	}	4358	}
3770	}	4359	}
3771		4360
3772	void	4361	void
3773	ev_stat_start (EV_P_ ev_stat *w)	4362	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3774	{	4363	{
3775	if (expect_false (ev_is_active (w)))	4364	if (expect_false (ev_is_active (w)))
3776	return;	4365	return;
3777		4366
3778	ev_stat_stat (EV_A_ w);	4367	ev_stat_stat (EV_A_ w);
…		…
3799		4388
3800	EV_FREQUENT_CHECK;	4389	EV_FREQUENT_CHECK;
3801	}	4390	}
3802		4391
3803	void	4392	void
3804	ev_stat_stop (EV_P_ ev_stat *w)	4393	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3805	{	4394	{
3806	clear_pending (EV_A_ (W)w);	4395	clear_pending (EV_A_ (W)w);
3807	if (expect_false (!ev_is_active (w)))	4396	if (expect_false (!ev_is_active (w)))
3808	return;	4397	return;
3809		4398
…		…
3825	}	4414	}
3826	#endif	4415	#endif
3827		4416
3828	#if EV_IDLE_ENABLE	4417	#if EV_IDLE_ENABLE
3829	void	4418	void
3830	ev_idle_start (EV_P_ ev_idle *w)	4419	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3831	{	4420	{
3832	if (expect_false (ev_is_active (w)))	4421	if (expect_false (ev_is_active (w)))
3833	return;	4422	return;
3834		4423
3835	pri_adjust (EV_A_ (W)w);	4424	pri_adjust (EV_A_ (W)w);
…		…
3848		4437
3849	EV_FREQUENT_CHECK;	4438	EV_FREQUENT_CHECK;
3850	}	4439	}
3851		4440
3852	void	4441	void
3853	ev_idle_stop (EV_P_ ev_idle *w)	4442	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3854	{	4443	{
3855	clear_pending (EV_A_ (W)w);	4444	clear_pending (EV_A_ (W)w);
3856	if (expect_false (!ev_is_active (w)))	4445	if (expect_false (!ev_is_active (w)))
3857	return;	4446	return;
3858		4447
…		…
3872	}	4461	}
3873	#endif	4462	#endif
3874		4463
3875	#if EV_PREPARE_ENABLE	4464	#if EV_PREPARE_ENABLE
3876	void	4465	void
3877	ev_prepare_start (EV_P_ ev_prepare *w)	4466	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3878	{	4467	{
3879	if (expect_false (ev_is_active (w)))	4468	if (expect_false (ev_is_active (w)))
3880	return;	4469	return;
3881		4470
3882	EV_FREQUENT_CHECK;	4471	EV_FREQUENT_CHECK;
…		…
3887		4476
3888	EV_FREQUENT_CHECK;	4477	EV_FREQUENT_CHECK;
3889	}	4478	}
3890		4479
3891	void	4480	void
3892	ev_prepare_stop (EV_P_ ev_prepare *w)	4481	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3893	{	4482	{
3894	clear_pending (EV_A_ (W)w);	4483	clear_pending (EV_A_ (W)w);
3895	if (expect_false (!ev_is_active (w)))	4484	if (expect_false (!ev_is_active (w)))
3896	return;	4485	return;
3897		4486
…		…
3910	}	4499	}
3911	#endif	4500	#endif
3912		4501
3913	#if EV_CHECK_ENABLE	4502	#if EV_CHECK_ENABLE
3914	void	4503	void
3915	ev_check_start (EV_P_ ev_check *w)	4504	ev_check_start (EV_P_ ev_check *w) EV_THROW
3916	{	4505	{
3917	if (expect_false (ev_is_active (w)))	4506	if (expect_false (ev_is_active (w)))
3918	return;	4507	return;
3919		4508
3920	EV_FREQUENT_CHECK;	4509	EV_FREQUENT_CHECK;
…		…
3925		4514
3926	EV_FREQUENT_CHECK;	4515	EV_FREQUENT_CHECK;
3927	}	4516	}
3928		4517
3929	void	4518	void
3930	ev_check_stop (EV_P_ ev_check *w)	4519	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3931	{	4520	{
3932	clear_pending (EV_A_ (W)w);	4521	clear_pending (EV_A_ (W)w);
3933	if (expect_false (!ev_is_active (w)))	4522	if (expect_false (!ev_is_active (w)))
3934	return;	4523	return;
3935		4524
…		…
3948	}	4537	}
3949	#endif	4538	#endif
3950		4539
3951	#if EV_EMBED_ENABLE	4540	#if EV_EMBED_ENABLE
3952	void noinline	4541	void noinline
3953	ev_embed_sweep (EV_P_ ev_embed *w)	4542	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3954	{	4543	{
3955	ev_run (w->other, EVRUN_NOWAIT);	4544	ev_run (w->other, EVRUN_NOWAIT);
3956	}	4545	}
3957		4546
3958	static void	4547	static void
…		…
4006	ev_idle_stop (EV_A_ idle);	4595	ev_idle_stop (EV_A_ idle);
4007	}	4596	}
4008	#endif	4597	#endif
4009		4598
4010	void	4599	void
4011	ev_embed_start (EV_P_ ev_embed *w)	4600	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4012	{	4601	{
4013	if (expect_false (ev_is_active (w)))	4602	if (expect_false (ev_is_active (w)))
4014	return;	4603	return;
4015		4604
4016	{	4605	{
…		…
4037		4626
4038	EV_FREQUENT_CHECK;	4627	EV_FREQUENT_CHECK;
4039	}	4628	}
4040		4629
4041	void	4630	void
4042	ev_embed_stop (EV_P_ ev_embed *w)	4631	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4043	{	4632	{
4044	clear_pending (EV_A_ (W)w);	4633	clear_pending (EV_A_ (W)w);
4045	if (expect_false (!ev_is_active (w)))	4634	if (expect_false (!ev_is_active (w)))
4046	return;	4635	return;
4047		4636
…		…
4057	}	4646	}
4058	#endif	4647	#endif
4059		4648
4060	#if EV_FORK_ENABLE	4649	#if EV_FORK_ENABLE
4061	void	4650	void
4062	ev_fork_start (EV_P_ ev_fork *w)	4651	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4063	{	4652	{
4064	if (expect_false (ev_is_active (w)))	4653	if (expect_false (ev_is_active (w)))
4065	return;	4654	return;
4066		4655
4067	EV_FREQUENT_CHECK;	4656	EV_FREQUENT_CHECK;
…		…
4072		4661
4073	EV_FREQUENT_CHECK;	4662	EV_FREQUENT_CHECK;
4074	}	4663	}
4075		4664
4076	void	4665	void
4077	ev_fork_stop (EV_P_ ev_fork *w)	4666	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4078	{	4667	{
4079	clear_pending (EV_A_ (W)w);	4668	clear_pending (EV_A_ (W)w);
4080	if (expect_false (!ev_is_active (w)))	4669	if (expect_false (!ev_is_active (w)))
4081	return;	4670	return;
4082		4671
…		…
4095	}	4684	}
4096	#endif	4685	#endif
4097		4686
4098	#if EV_CLEANUP_ENABLE	4687	#if EV_CLEANUP_ENABLE
4099	void	4688	void
4100	ev_cleanup_start (EV_P_ ev_cleanup *w)	4689	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4101	{	4690	{
4102	if (expect_false (ev_is_active (w)))	4691	if (expect_false (ev_is_active (w)))
4103	return;	4692	return;
4104		4693
4105	EV_FREQUENT_CHECK;	4694	EV_FREQUENT_CHECK;
…		…
4112	ev_unref (EV_A);	4701	ev_unref (EV_A);
4113	EV_FREQUENT_CHECK;	4702	EV_FREQUENT_CHECK;
4114	}	4703	}
4115		4704
4116	void	4705	void
4117	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4706	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4118	{	4707	{
4119	clear_pending (EV_A_ (W)w);	4708	clear_pending (EV_A_ (W)w);
4120	if (expect_false (!ev_is_active (w)))	4709	if (expect_false (!ev_is_active (w)))
4121	return;	4710	return;
4122		4711
…		…
4136	}	4725	}
4137	#endif	4726	#endif
4138		4727
4139	#if EV_ASYNC_ENABLE	4728	#if EV_ASYNC_ENABLE
4140	void	4729	void
4141	ev_async_start (EV_P_ ev_async *w)	4730	ev_async_start (EV_P_ ev_async *w) EV_THROW
4142	{	4731	{
4143	if (expect_false (ev_is_active (w)))	4732	if (expect_false (ev_is_active (w)))
4144	return;	4733	return;
4145		4734
4146	w->sent = 0;	4735	w->sent = 0;
…		…
4155		4744
4156	EV_FREQUENT_CHECK;	4745	EV_FREQUENT_CHECK;
4157	}	4746	}
4158		4747
4159	void	4748	void
4160	ev_async_stop (EV_P_ ev_async *w)	4749	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4161	{	4750	{
4162	clear_pending (EV_A_ (W)w);	4751	clear_pending (EV_A_ (W)w);
4163	if (expect_false (!ev_is_active (w)))	4752	if (expect_false (!ev_is_active (w)))
4164	return;	4753	return;
4165		4754
…		…
4176		4765
4177	EV_FREQUENT_CHECK;	4766	EV_FREQUENT_CHECK;
4178	}	4767	}
4179		4768
4180	void	4769	void
4181	ev_async_send (EV_P_ ev_async *w)	4770	ev_async_send (EV_P_ ev_async *w) EV_THROW
4182	{	4771	{
4183	w->sent = 1;	4772	w->sent = 1;
4184	evpipe_write (EV_A_ &async_pending);	4773	evpipe_write (EV_A_ &async_pending);
4185	}	4774	}
4186	#endif	4775	#endif
…		…
4223		4812
4224	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4813	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4225	}	4814	}
4226		4815
4227	void	4816	void
4228	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4817	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4229	{	4818	{
4230	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4819	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4231		4820
4232	if (expect_false (!once))	4821	if (expect_false (!once))
4233	{	4822	{
…		…
4255		4844
4256	/*****************************************************************************/	4845	/*****************************************************************************/
4257		4846
4258	#if EV_WALK_ENABLE	4847	#if EV_WALK_ENABLE
4259	void ecb_cold	4848	void ecb_cold
4260	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4849	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4261	{	4850	{
4262	int i, j;	4851	int i, j;
4263	ev_watcher_list *wl, *wn;	4852	ev_watcher_list *wl, *wn;
4264		4853
4265	if (types & (EV_IO | EV_EMBED))	4854	if (types & (EV_IO | EV_EMBED))
…		…
4371		4960
4372	#if EV_MULTIPLICITY	4961	#if EV_MULTIPLICITY
4373	#include "ev_wrap.h"	4962	#include "ev_wrap.h"
4374	#endif	4963	#endif
4375		4964
4376	EV_CPP(})
4377

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