ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.467 by root, Fri May 16 15:15:39 2014 UTC vs.
Revision 1.511 by root, Fri Nov 22 14:32:13 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 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
…		…
115	# else	115	# else
116	# undef EV_USE_EPOLL	116	# undef EV_USE_EPOLL
117	# define EV_USE_EPOLL 0	117	# define EV_USE_EPOLL 0
118	# endif	118	# endif
119		119
		120	# if HAVE_LINUX_AIO_ABI_H
		121	# ifndef EV_USE_LINUXAIO
		122	# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
		123	# endif
		124	# else
		125	# undef EV_USE_LINUXAIO
		126	# define EV_USE_LINUXAIO 0
		127	# endif
		128
		129	# if HAVE_LINUX_FS_H && HAVE_SYS_TIMERFD_H && HAVE_KERNEL_RWF_T
		130	# ifndef EV_USE_IOURING
		131	# define EV_USE_IOURING EV_FEATURE_BACKENDS
		132	# endif
		133	# else
		134	# undef EV_USE_IOURING
		135	# define EV_USE_IOURING 0
		136	# endif
		137
120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	138	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121	# ifndef EV_USE_KQUEUE	139	# ifndef EV_USE_KQUEUE
122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	140	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
123	# endif	141	# endif
124	# else	142	# else
…		…
159	# endif	177	# endif
160	# else	178	# else
161	# undef EV_USE_EVENTFD	179	# undef EV_USE_EVENTFD
162	# define EV_USE_EVENTFD 0	180	# define EV_USE_EVENTFD 0
163	# endif	181	# endif
164		182
165	#endif	183	#endif
		184
		185	/* OS X, in its infinite idiocy, actually HARDCODES
		186	* a limit of 1024 into their select. Where people have brains,
		187	* OS X engineers apparently have a vacuum. Or maybe they were
		188	* ordered to have a vacuum, or they do anything for money.
		189	* This might help. Or not.
		190	* Note that this must be defined early, as other include files
		191	* will rely on this define as well.
		192	*/
		193	#define _DARWIN_UNLIMITED_SELECT 1
166		194
167	#include <stdlib.h>	195	#include <stdlib.h>
168	#include <string.h>	196	#include <string.h>
169	#include <fcntl.h>	197	#include <fcntl.h>
170	#include <stddef.h>	198	#include <stddef.h>
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	236	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	237	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	238	# endif
211	# undef EV_AVOID_STDIO	239	# undef EV_AVOID_STDIO
212	#endif	240	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		241
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	242	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		243
224	/* try to deduce the maximum number of signals on this platform */	244	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	245	#if defined EV_NSIG
…		…
256	# else	276	# else
257	# define EV_USE_CLOCK_SYSCALL 0	277	# define EV_USE_CLOCK_SYSCALL 0
258	# endif	278	# endif
259	#endif	279	#endif
260		280
		281	#if !(_POSIX_TIMERS > 0)
		282	# ifndef EV_USE_MONOTONIC
		283	# define EV_USE_MONOTONIC 0
		284	# endif
		285	# ifndef EV_USE_REALTIME
		286	# define EV_USE_REALTIME 0
		287	# endif
		288	#endif
		289
261	#ifndef EV_USE_MONOTONIC	290	#ifndef EV_USE_MONOTONIC
262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	291	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
263	# define EV_USE_MONOTONIC EV_FEATURE_OS	292	# define EV_USE_MONOTONIC EV_FEATURE_OS
264	# else	293	# else
265	# define EV_USE_MONOTONIC 0	294	# define EV_USE_MONOTONIC 0
…		…
304		333
305	#ifndef EV_USE_PORT	334	#ifndef EV_USE_PORT
306	# define EV_USE_PORT 0	335	# define EV_USE_PORT 0
307	#endif	336	#endif
308		337
		338	#ifndef EV_USE_LINUXAIO
		339	# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
		340	# define EV_USE_LINUXAIO 1
		341	# else
		342	# define EV_USE_LINUXAIO 0
		343	# endif
		344	#endif
		345
		346	#ifndef EV_USE_IOURING
		347	# if __linux /* later checks might disable again */
		348	# define EV_USE_IOURING 1
		349	# else
		350	# define EV_USE_IOURING 0
		351	# endif
		352	#endif
		353
309	#ifndef EV_USE_INOTIFY	354	#ifndef EV_USE_INOTIFY
310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	355	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
311	# define EV_USE_INOTIFY EV_FEATURE_OS	356	# define EV_USE_INOTIFY EV_FEATURE_OS
312	# else	357	# else
313	# define EV_USE_INOTIFY 0	358	# define EV_USE_INOTIFY 0
…		…
354		399
355	#ifndef EV_HEAP_CACHE_AT	400	#ifndef EV_HEAP_CACHE_AT
356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	401	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
357	#endif	402	#endif
358		403
359	#ifdef ANDROID	404	#ifdef __ANDROID__
360	/* supposedly, android doesn't typedef fd_mask */	405	/* supposedly, android doesn't typedef fd_mask */
361	# undef EV_USE_SELECT	406	# undef EV_USE_SELECT
362	# define EV_USE_SELECT 0	407	# define EV_USE_SELECT 0
363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	408	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
364	# undef EV_USE_CLOCK_SYSCALL	409	# undef EV_USE_CLOCK_SYSCALL
…		…
378	# include <sys/syscall.h>	423	# include <sys/syscall.h>
379	# ifdef SYS_clock_gettime	424	# ifdef SYS_clock_gettime
380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	425	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
381	# undef EV_USE_MONOTONIC	426	# undef EV_USE_MONOTONIC
382	# define EV_USE_MONOTONIC 1	427	# define EV_USE_MONOTONIC 1
		428	# define EV_NEED_SYSCALL 1
383	# else	429	# else
384	# undef EV_USE_CLOCK_SYSCALL	430	# undef EV_USE_CLOCK_SYSCALL
385	# define EV_USE_CLOCK_SYSCALL 0	431	# define EV_USE_CLOCK_SYSCALL 0
386	# endif	432	# endif
387	#endif	433	#endif
…		…
401	#if !EV_STAT_ENABLE	447	#if !EV_STAT_ENABLE
402	# undef EV_USE_INOTIFY	448	# undef EV_USE_INOTIFY
403	# define EV_USE_INOTIFY 0	449	# define EV_USE_INOTIFY 0
404	#endif	450	#endif
405		451
		452	#if __linux && EV_USE_IOURING
		453	# include <linux/fs.h>
		454	# ifndef RWF_SYNC
		455	# undef EV_USE_IOURING
		456	# define EV_USE_IOURING 0
		457	# endif
		458	#endif
		459
406	#if !EV_USE_NANOSLEEP	460	#if !EV_USE_NANOSLEEP
407	/* hp-ux has it in sys/time.h, which we unconditionally include above */	461	/* hp-ux has it in sys/time.h, which we unconditionally include above */
408	# if !defined _WIN32 && !defined __hpux	462	# if !defined _WIN32 && !defined __hpux
409	# include <sys/select.h>	463	# include <sys/select.h>
		464	# endif
		465	#endif
		466
		467	#if EV_USE_LINUXAIO
		468	# include <sys/syscall.h>
		469	# if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */
		470	# define EV_NEED_SYSCALL 1
		471	# else
		472	# undef EV_USE_LINUXAIO
		473	# define EV_USE_LINUXAIO 0
		474	# endif
		475	#endif
		476
		477	#if EV_USE_IOURING
		478	# include <sys/syscall.h>
		479	# if !SYS_io_uring_setup && __linux && !__alpha
		480	# define SYS_io_uring_setup 425
		481	# define SYS_io_uring_enter 426
		482	# define SYS_io_uring_wregister 427
		483	# endif
		484	# if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */
		485	# define EV_NEED_SYSCALL 1
		486	# else
		487	# undef EV_USE_IOURING
		488	# define EV_USE_IOURING 0
410	# endif	489	# endif
411	#endif	490	#endif
412		491
413	#if EV_USE_INOTIFY	492	#if EV_USE_INOTIFY
414	# include <sys/statfs.h>	493	# include <sys/statfs.h>
…		…
456	uint32_t ssi_signo;	535	uint32_t ssi_signo;
457	char pad[128 - sizeof (uint32_t)];	536	char pad[128 - sizeof (uint32_t)];
458	};	537	};
459	#endif	538	#endif
460		539
461	/**/	540	/*****************************************************************************/
462		541
463	#if EV_VERIFY >= 3	542	#if EV_VERIFY >= 3
464	# define EV_FREQUENT_CHECK ev_verify (EV_A)	543	# define EV_FREQUENT_CHECK ev_verify (EV_A)
465	#else	544	#else
466	# define EV_FREQUENT_CHECK do { } while (0)	545	# define EV_FREQUENT_CHECK do { } while (0)
…		…
471	* This value is good at least till the year 4000.	550	* This value is good at least till the year 4000.
472	*/	551	*/
473	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */	552	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
474	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */	553	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
475		554
476	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	555	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
477	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	556	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
478		557
		558	/* find a portable timestamp that is "always" in the future but fits into time_t.
		559	* this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t,
		560	* and sizes larger than 32 bit, and maybe the unlikely floating point time_t */
		561	#define EV_TSTAMP_HUGE \
		562	(sizeof (time_t) >= 8 ? 10000000000000. \
		563	: 0 < (time_t)4294967295 ? 4294967295. \
		564	: 2147483647.) \
		565
		566	#ifndef EV_TS_CONST
		567	# define EV_TS_CONST(nv) nv
		568	# define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999
		569	# define EV_TS_FROM_USEC(us) us * 1e-6
479	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	570	# define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
480	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)	571	# define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
		572	# define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6)
		573	# define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9)
		574	#endif
481		575
482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	576	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483	/* ECB.H BEGIN */	577	/* ECB.H BEGIN */
484	/*	578	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	579	* libecb - http://software.schmorp.de/pkg/libecb
486	*	580	*
487	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>	581	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	582	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	583	* All rights reserved.
490	*	584	*
491	* Redistribution and use in source and binary forms, with or without modifica-	585	* Redistribution and use in source and binary forms, with or without modifica-
492	* tion, are permitted provided that the following conditions are met:	586	* tion, are permitted provided that the following conditions are met:
…		…
523		617
524	#ifndef ECB_H	618	#ifndef ECB_H
525	#define ECB_H	619	#define ECB_H
526		620
527	/* 16 bits major, 16 bits minor */	621	/* 16 bits major, 16 bits minor */
528	#define ECB_VERSION 0x00010003	622	#define ECB_VERSION 0x00010006
529		623
530	#ifdef _WIN32	624	#ifdef _WIN32
531	typedef signed char int8_t;	625	typedef signed char int8_t;
532	typedef unsigned char uint8_t;	626	typedef unsigned char uint8_t;
533	typedef signed short int16_t;	627	typedef signed short int16_t;
…		…
550	typedef uint32_t uintptr_t;	644	typedef uint32_t uintptr_t;
551	typedef int32_t intptr_t;	645	typedef int32_t intptr_t;
552	#endif	646	#endif
553	#else	647	#else
554	#include <inttypes.h>	648	#include <inttypes.h>
555	#if UINTMAX_MAX > 0xffffffffU	649	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
556	#define ECB_PTRSIZE 8	650	#define ECB_PTRSIZE 8
557	#else	651	#else
558	#define ECB_PTRSIZE 4	652	#define ECB_PTRSIZE 4
559	#endif	653	#endif
560	#endif	654	#endif
561		655
		656	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		657	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		658
562	/* work around x32 idiocy by defining proper macros */	659	/* work around x32 idiocy by defining proper macros */
563	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	660	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
564	#if _ILP32	661	#if _ILP32
565	#define ECB_AMD64_X32 1	662	#define ECB_AMD64_X32 1
566	#else	663	#else
567	#define ECB_AMD64 1	664	#define ECB_AMD64 1
568	#endif	665	#endif
…		…
573	* causing enormous grief in return for some better fake benchmark numbers.	670	* causing enormous grief in return for some better fake benchmark numbers.
574	* or so.	671	* or so.
575	* we try to detect these and simply assume they are not gcc - if they have	672	* we try to detect these and simply assume they are not gcc - if they have
576	* an issue with that they should have done it right in the first place.	673	* an issue with that they should have done it right in the first place.
577	*/	674	*/
578	#ifndef ECB_GCC_VERSION
579	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	675	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
580	#define ECB_GCC_VERSION(major,minor) 0	676	#define ECB_GCC_VERSION(major,minor) 0
581	#else	677	#else
582	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	678	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
583	#endif	679	#endif
		680
		681	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		682
		683	#if __clang__ && defined __has_builtin
		684	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		685	#else
		686	#define ECB_CLANG_BUILTIN(x) 0
		687	#endif
		688
		689	#if __clang__ && defined __has_extension
		690	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		691	#else
		692	#define ECB_CLANG_EXTENSION(x) 0
584	#endif	693	#endif
585		694
586	#define ECB_CPP (__cplusplus+0)	695	#define ECB_CPP (__cplusplus+0)
587	#define ECB_CPP11 (__cplusplus >= 201103L)	696	#define ECB_CPP11 (__cplusplus >= 201103L)
		697	#define ECB_CPP14 (__cplusplus >= 201402L)
		698	#define ECB_CPP17 (__cplusplus >= 201703L)
588		699
589	#if ECB_CPP	700	#if ECB_CPP
590	#define ECB_C 0	701	#define ECB_C 0
591	#define ECB_STDC_VERSION 0	702	#define ECB_STDC_VERSION 0
592	#else	703	#else
…		…
594	#define ECB_STDC_VERSION __STDC_VERSION__	705	#define ECB_STDC_VERSION __STDC_VERSION__
595	#endif	706	#endif
596		707
597	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	708	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
598	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	709	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		710	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
599		711
600	#if ECB_CPP	712	#if ECB_CPP
601	#define ECB_EXTERN_C extern "C"	713	#define ECB_EXTERN_C extern "C"
602	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	714	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
603	#define ECB_EXTERN_C_END }	715	#define ECB_EXTERN_C_END }
…		…
618		730
619	#if ECB_NO_SMP	731	#if ECB_NO_SMP
620	#define ECB_MEMORY_FENCE do { } while (0)	732	#define ECB_MEMORY_FENCE do { } while (0)
621	#endif	733	#endif
622		734
		735	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		736	#if __xlC__ && ECB_CPP
		737	#include <builtins.h>
		738	#endif
		739
		740	#if 1400 <= _MSC_VER
		741	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
		742	#endif
		743
623	#ifndef ECB_MEMORY_FENCE	744	#ifndef ECB_MEMORY_FENCE
624	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	745	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		746	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
625	#if __i386 || __i386__	747	#if __i386 || __i386__
626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	748	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	749	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	750	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
629	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	751	#elif ECB_GCC_AMD64
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	752	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
631	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	753	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
632	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	754	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
633	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	755	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
634	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	756	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		757	#elif defined __ARM_ARCH_2__ \
		758	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		759	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		760	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		761	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		762	|| defined __ARM_ARCH_5TEJ__
		763	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
635	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	764	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
636	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	765	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		766	|| defined __ARM_ARCH_6T2__
637	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	767	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
638	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	768	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
639	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	769	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	770	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
641	#elif __aarch64__	771	#elif __aarch64__
642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	772	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
643	#elif (__sparc || __sparc__) && !__sparcv8	773	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
644	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	774	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
645	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	775	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
646	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	776	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
647	#elif defined __s390__ || defined __s390x__	777	#elif defined __s390__ || defined __s390x__
648	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	778	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
671	#if ECB_GCC_VERSION(4,7)	801	#if ECB_GCC_VERSION(4,7)
672	/* see comment below (stdatomic.h) about the C11 memory model. */	802	/* see comment below (stdatomic.h) about the C11 memory model. */
673	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	803	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
674	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	804	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
675	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	805	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		806	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
676		807
677	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	808	#elif ECB_CLANG_EXTENSION(c_atomic)
678	* without risking compile time errors with other compilers. We *could*
679	* define our own ecb_clang_has_feature, but I just can't be bothered to work
680	* around this shit time and again.
681	* #elif defined __clang && __has_feature (cxx_atomic)
682	* // see comment below (stdatomic.h) about the C11 memory model.	809	/* see comment below (stdatomic.h) about the C11 memory model. */
683	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	810	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
684	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	811	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
685	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	812	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
686	*/	813	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
687		814
688	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	815	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
689	#define ECB_MEMORY_FENCE __sync_synchronize ()	816	#define ECB_MEMORY_FENCE __sync_synchronize ()
690	#elif _MSC_VER >= 1500 /* VC++ 2008 */	817	#elif _MSC_VER >= 1500 /* VC++ 2008 */
691	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	818	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
701	#elif defined _WIN32	828	#elif defined _WIN32
702	#include <WinNT.h>	829	#include <WinNT.h>
703	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	830	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
704	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	831	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
705	#include <mbarrier.h>	832	#include <mbarrier.h>
706	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	833	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
707	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	834	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
708	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	835	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		836	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
709	#elif __xlC__	837	#elif __xlC__
710	#define ECB_MEMORY_FENCE __sync ()	838	#define ECB_MEMORY_FENCE __sync ()
711	#endif	839	#endif
712	#endif	840	#endif
713		841
714	#ifndef ECB_MEMORY_FENCE	842	#ifndef ECB_MEMORY_FENCE
715	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	843	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
716	/* we assume that these memory fences work on all variables/all memory accesses, */	844	/* we assume that these memory fences work on all variables/all memory accesses, */
717	/* not just C11 atomics and atomic accesses */	845	/* not just C11 atomics and atomic accesses */
718	#include <stdatomic.h>	846	#include <stdatomic.h>
719	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
720	/* any fence other than seq_cst, which isn't very efficient for us. */
721	/* Why that is, we don't know - either the C11 memory model is quite useless */
722	/* for most usages, or gcc and clang have a bug */
723	/* I *currently* lean towards the latter, and inefficiently implement */
724	/* all three of ecb's fences as a seq_cst fence */
725	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
726	/* for all __atomic_thread_fence's except seq_cst */
727	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	847	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		848	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		849	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
728	#endif	850	#endif
729	#endif	851	#endif
730		852
731	#ifndef ECB_MEMORY_FENCE	853	#ifndef ECB_MEMORY_FENCE
732	#if !ECB_AVOID_PTHREADS	854	#if !ECB_AVOID_PTHREADS
…		…
752		874
753	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	875	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
754	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	876	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
755	#endif	877	#endif
756		878
		879	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		880	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
		881	#endif
		882
757	/*****************************************************************************/	883	/*****************************************************************************/
758		884
759	#if __cplusplus	885	#if ECB_CPP
760	#define ecb_inline static inline	886	#define ecb_inline static inline
761	#elif ECB_GCC_VERSION(2,5)	887	#elif ECB_GCC_VERSION(2,5)
762	#define ecb_inline static __inline__	888	#define ecb_inline static __inline__
763	#elif ECB_C99	889	#elif ECB_C99
764	#define ecb_inline static inline	890	#define ecb_inline static inline
…		…
778		904
779	#define ECB_CONCAT_(a, b) a ## b	905	#define ECB_CONCAT_(a, b) a ## b
780	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	906	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
781	#define ECB_STRINGIFY_(a) # a	907	#define ECB_STRINGIFY_(a) # a
782	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	908	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		909	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
783		910
784	#define ecb_function_ ecb_inline	911	#define ecb_function_ ecb_inline
785		912
786	#if ECB_GCC_VERSION(3,1)	913	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
787	#define ecb_attribute(attrlist) __attribute__(attrlist)	914	#define ecb_attribute(attrlist) __attribute__ (attrlist)
788	#define ecb_is_constant(expr) __builtin_constant_p (expr)
789	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
790	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
791	#else	915	#else
792	#define ecb_attribute(attrlist)	916	#define ecb_attribute(attrlist)
		917	#endif
793		918
		919	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
		920	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		921	#else
794	/* possible C11 impl for integral types	922	/* possible C11 impl for integral types
795	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	923	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
796	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */	924	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
797		925
798	#define ecb_is_constant(expr) 0	926	#define ecb_is_constant(expr) 0
		927	#endif
		928
		929	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
		930	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		931	#else
799	#define ecb_expect(expr,value) (expr)	932	#define ecb_expect(expr,value) (expr)
		933	#endif
		934
		935	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
		936	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		937	#else
800	#define ecb_prefetch(addr,rw,locality)	938	#define ecb_prefetch(addr,rw,locality)
801	#endif	939	#endif
802		940
803	/* no emulation for ecb_decltype */	941	/* no emulation for ecb_decltype */
804	#if ECB_GCC_VERSION(4,5)	942	#if ECB_CPP11
		943	// older implementations might have problems with decltype(x)::type, work around it
		944	template<class T> struct ecb_decltype_t { typedef T type; };
805	#define ecb_decltype(x) __decltype(x)	945	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
806	#elif ECB_GCC_VERSION(3,0)	946	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
807	#define ecb_decltype(x) __typeof(x)	947	#define ecb_decltype(x) __typeof__ (x)
808	#endif	948	#endif
809		949
		950	#if _MSC_VER >= 1300
		951	#define ecb_deprecated __declspec (deprecated)
		952	#else
		953	#define ecb_deprecated ecb_attribute ((__deprecated__))
		954	#endif
		955
		956	#if _MSC_VER >= 1500
		957	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		958	#elif ECB_GCC_VERSION(4,5)
		959	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		960	#else
		961	#define ecb_deprecated_message(msg) ecb_deprecated
		962	#endif
		963
		964	#if _MSC_VER >= 1400
		965	#define ecb_noinline __declspec (noinline)
		966	#else
810	#define ecb_noinline ecb_attribute ((__noinline__))	967	#define ecb_noinline ecb_attribute ((__noinline__))
		968	#endif
		969
811	#define ecb_unused ecb_attribute ((__unused__))	970	#define ecb_unused ecb_attribute ((__unused__))
812	#define ecb_const ecb_attribute ((__const__))	971	#define ecb_const ecb_attribute ((__const__))
813	#define ecb_pure ecb_attribute ((__pure__))	972	#define ecb_pure ecb_attribute ((__pure__))
814		973
815	#if ECB_C11	974	#if ECB_C11 || __IBMC_NORETURN
		975	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
816	#define ecb_noreturn _Noreturn	976	#define ecb_noreturn _Noreturn
		977	#elif ECB_CPP11
		978	#define ecb_noreturn [[noreturn]]
		979	#elif _MSC_VER >= 1200
		980	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		981	#define ecb_noreturn __declspec (noreturn)
817	#else	982	#else
818	#define ecb_noreturn ecb_attribute ((__noreturn__))	983	#define ecb_noreturn ecb_attribute ((__noreturn__))
819	#endif	984	#endif
820		985
821	#if ECB_GCC_VERSION(4,3)	986	#if ECB_GCC_VERSION(4,3)
…		…
836	/* for compatibility to the rest of the world */	1001	/* for compatibility to the rest of the world */
837	#define ecb_likely(expr) ecb_expect_true (expr)	1002	#define ecb_likely(expr) ecb_expect_true (expr)
838	#define ecb_unlikely(expr) ecb_expect_false (expr)	1003	#define ecb_unlikely(expr) ecb_expect_false (expr)
839		1004
840	/* count trailing zero bits and count # of one bits */	1005	/* count trailing zero bits and count # of one bits */
841	#if ECB_GCC_VERSION(3,4)	1006	#if ECB_GCC_VERSION(3,4) \
		1007	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		1008	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		1009	&& ECB_CLANG_BUILTIN(__builtin_popcount))
842	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	1010	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
843	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	1011	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
844	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	1012	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
845	#define ecb_ctz32(x) __builtin_ctz (x)	1013	#define ecb_ctz32(x) __builtin_ctz (x)
846	#define ecb_ctz64(x) __builtin_ctzll (x)	1014	#define ecb_ctz64(x) __builtin_ctzll (x)
847	#define ecb_popcount32(x) __builtin_popcount (x)	1015	#define ecb_popcount32(x) __builtin_popcount (x)
848	/* no popcountll */	1016	/* no popcountll */
849	#else	1017	#else
850	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	1018	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
851	ecb_function_ int	1019	ecb_function_ ecb_const int
852	ecb_ctz32 (uint32_t x)	1020	ecb_ctz32 (uint32_t x)
853	{	1021	{
		1022	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1023	unsigned long r;
		1024	_BitScanForward (&r, x);
		1025	return (int)r;
		1026	#else
854	int r = 0;	1027	int r = 0;
855		1028
856	x &= ~x + 1; /* this isolates the lowest bit */	1029	x &= ~x + 1; /* this isolates the lowest bit */
857		1030
858	#if ECB_branchless_on_i386	1031	#if ECB_branchless_on_i386
…		…
868	if (x & 0xff00ff00) r += 8;	1041	if (x & 0xff00ff00) r += 8;
869	if (x & 0xffff0000) r += 16;	1042	if (x & 0xffff0000) r += 16;
870	#endif	1043	#endif
871		1044
872	return r;	1045	return r;
		1046	#endif
873	}	1047	}
874		1048
875	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	1049	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
876	ecb_function_ int	1050	ecb_function_ ecb_const int
877	ecb_ctz64 (uint64_t x)	1051	ecb_ctz64 (uint64_t x)
878	{	1052	{
		1053	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1054	unsigned long r;
		1055	_BitScanForward64 (&r, x);
		1056	return (int)r;
		1057	#else
879	int shift = x & 0xffffffffU ? 0 : 32;	1058	int shift = x & 0xffffffff ? 0 : 32;
880	return ecb_ctz32 (x >> shift) + shift;	1059	return ecb_ctz32 (x >> shift) + shift;
		1060	#endif
881	}	1061	}
882		1062
883	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1063	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
884	ecb_function_ int	1064	ecb_function_ ecb_const int
885	ecb_popcount32 (uint32_t x)	1065	ecb_popcount32 (uint32_t x)
886	{	1066	{
887	x -= (x >> 1) & 0x55555555;	1067	x -= (x >> 1) & 0x55555555;
888	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1068	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
889	x = ((x >> 4) + x) & 0x0f0f0f0f;	1069	x = ((x >> 4) + x) & 0x0f0f0f0f;
890	x *= 0x01010101;	1070	x *= 0x01010101;
891		1071
892	return x >> 24;	1072	return x >> 24;
893	}	1073	}
894		1074
895	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1075	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
896	ecb_function_ int ecb_ld32 (uint32_t x)	1076	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
897	{	1077	{
		1078	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1079	unsigned long r;
		1080	_BitScanReverse (&r, x);
		1081	return (int)r;
		1082	#else
898	int r = 0;	1083	int r = 0;
899		1084
900	if (x >> 16) { x >>= 16; r += 16; }	1085	if (x >> 16) { x >>= 16; r += 16; }
901	if (x >> 8) { x >>= 8; r += 8; }	1086	if (x >> 8) { x >>= 8; r += 8; }
902	if (x >> 4) { x >>= 4; r += 4; }	1087	if (x >> 4) { x >>= 4; r += 4; }
903	if (x >> 2) { x >>= 2; r += 2; }	1088	if (x >> 2) { x >>= 2; r += 2; }
904	if (x >> 1) { r += 1; }	1089	if (x >> 1) { r += 1; }
905		1090
906	return r;	1091	return r;
		1092	#endif
907	}	1093	}
908		1094
909	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1095	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
910	ecb_function_ int ecb_ld64 (uint64_t x)	1096	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
911	{	1097	{
		1098	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1099	unsigned long r;
		1100	_BitScanReverse64 (&r, x);
		1101	return (int)r;
		1102	#else
912	int r = 0;	1103	int r = 0;
913		1104
914	if (x >> 32) { x >>= 32; r += 32; }	1105	if (x >> 32) { x >>= 32; r += 32; }
915		1106
916	return r + ecb_ld32 (x);	1107	return r + ecb_ld32 (x);
		1108	#endif
917	}	1109	}
918	#endif	1110	#endif
919		1111
920	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1112	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
921	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1113	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
922	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1114	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
923	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1115	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
924		1116
925	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1117	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
926	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1118	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
927	{	1119	{
928	return ( (x * 0x0802U & 0x22110U)	1120	return ( (x * 0x0802U & 0x22110U)
929	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1121	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
930	}	1122	}
931		1123
932	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1124	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
933	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1125	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
934	{	1126	{
935	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1127	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
936	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1128	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
937	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1129	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
938	x = ( x >> 8 ) | ( x << 8);	1130	x = ( x >> 8 ) | ( x << 8);
939		1131
940	return x;	1132	return x;
941	}	1133	}
942		1134
943	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1135	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
944	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1136	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
945	{	1137	{
946	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1138	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
947	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1139	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
948	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1140	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
949	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1141	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
952	return x;	1144	return x;
953	}	1145	}
954		1146
955	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1147	/* popcount64 is only available on 64 bit cpus as gcc builtin */
956	/* so for this version we are lazy */	1148	/* so for this version we are lazy */
957	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1149	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
958	ecb_function_ int	1150	ecb_function_ ecb_const int
959	ecb_popcount64 (uint64_t x)	1151	ecb_popcount64 (uint64_t x)
960	{	1152	{
961	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1153	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
962	}	1154	}
963		1155
964	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1156	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
965	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1157	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
966	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1158	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
967	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1159	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
968	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1160	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
969	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1161	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
970	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1162	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
971	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1163	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
972		1164
973	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1165	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
974	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1166	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
975	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1167	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
976	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1168	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
977	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1169	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
978	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1170	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
979	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1171	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
980	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1172	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
981		1173
982	#if ECB_GCC_VERSION(4,3)	1174	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1175	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1176	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1177	#else
983	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1178	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1179	#endif
984	#define ecb_bswap32(x) __builtin_bswap32 (x)	1180	#define ecb_bswap32(x) __builtin_bswap32 (x)
985	#define ecb_bswap64(x) __builtin_bswap64 (x)	1181	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1182	#elif _MSC_VER
		1183	#include <stdlib.h>
		1184	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1185	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1186	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
986	#else	1187	#else
987	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1188	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
988	ecb_function_ uint16_t	1189	ecb_function_ ecb_const uint16_t
989	ecb_bswap16 (uint16_t x)	1190	ecb_bswap16 (uint16_t x)
990	{	1191	{
991	return ecb_rotl16 (x, 8);	1192	return ecb_rotl16 (x, 8);
992	}	1193	}
993		1194
994	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1195	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
995	ecb_function_ uint32_t	1196	ecb_function_ ecb_const uint32_t
996	ecb_bswap32 (uint32_t x)	1197	ecb_bswap32 (uint32_t x)
997	{	1198	{
998	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1199	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
999	}	1200	}
1000		1201
1001	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1202	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1002	ecb_function_ uint64_t	1203	ecb_function_ ecb_const uint64_t
1003	ecb_bswap64 (uint64_t x)	1204	ecb_bswap64 (uint64_t x)
1004	{	1205	{
1005	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1206	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1006	}	1207	}
1007	#endif	1208	#endif
1008		1209
1009	#if ECB_GCC_VERSION(4,5)	1210	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1010	#define ecb_unreachable() __builtin_unreachable ()	1211	#define ecb_unreachable() __builtin_unreachable ()
1011	#else	1212	#else
1012	/* this seems to work fine, but gcc always emits a warning for it :/ */	1213	/* this seems to work fine, but gcc always emits a warning for it :/ */
1013	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1214	ecb_inline ecb_noreturn void ecb_unreachable (void);
1014	ecb_inline void ecb_unreachable (void) { }	1215	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1015	#endif	1216	#endif
1016		1217
1017	/* try to tell the compiler that some condition is definitely true */	1218	/* try to tell the compiler that some condition is definitely true */
1018	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1219	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1019		1220
1020	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1221	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1021	ecb_inline unsigned char	1222	ecb_inline ecb_const uint32_t
1022	ecb_byteorder_helper (void)	1223	ecb_byteorder_helper (void)
1023	{	1224	{
1024	/* the union code still generates code under pressure in gcc, */	1225	/* the union code still generates code under pressure in gcc, */
1025	/* but less than using pointers, and always seems to */	1226	/* but less than using pointers, and always seems to */
1026	/* successfully return a constant. */	1227	/* successfully return a constant. */
1027	/* the reason why we have this horrible preprocessor mess */	1228	/* the reason why we have this horrible preprocessor mess */
1028	/* is to avoid it in all cases, at least on common architectures */	1229	/* is to avoid it in all cases, at least on common architectures */
1029	/* or when using a recent enough gcc version (>= 4.6) */	1230	/* or when using a recent enough gcc version (>= 4.6) */
1030	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
1031	return 0x44;
1032	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1231	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1232	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1233	#define ECB_LITTLE_ENDIAN 1
1033	return 0x44;	1234	return 0x44332211;
1034	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1235	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1236	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1237	#define ECB_BIG_ENDIAN 1
1035	return 0x11;	1238	return 0x11223344;
1036	#else	1239	#else
1037	union	1240	union
1038	{	1241	{
		1242	uint8_t c[4];
1039	uint32_t i;	1243	uint32_t u;
1040	uint8_t c;
1041	} u = { 0x11223344 };	1244	} u = { 0x11, 0x22, 0x33, 0x44 };
1042	return u.c;	1245	return u.u;
1043	#endif	1246	#endif
1044	}	1247	}
1045		1248
1046	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1249	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1047	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1250	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1048	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1251	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1049	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1252	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1050		1253
1051	#if ECB_GCC_VERSION(3,0) || ECB_C99	1254	#if ECB_GCC_VERSION(3,0) || ECB_C99
1052	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1255	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1053	#else	1256	#else
1054	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1257	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1055	#endif	1258	#endif
1056		1259
1057	#if __cplusplus	1260	#if ECB_CPP
1058	template<typename T>	1261	template<typename T>
1059	static inline T ecb_div_rd (T val, T div)	1262	static inline T ecb_div_rd (T val, T div)
1060	{	1263	{
1061	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1264	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1062	}	1265	}
…		…
1079	}	1282	}
1080	#else	1283	#else
1081	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1284	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1082	#endif	1285	#endif
1083		1286
		1287	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1288	ecb_function_ ecb_const uint32_t
		1289	ecb_binary16_to_binary32 (uint32_t x)
		1290	{
		1291	unsigned int s = (x & 0x8000) << (31 - 15);
		1292	int e = (x >> 10) & 0x001f;
		1293	unsigned int m = x & 0x03ff;
		1294
		1295	if (ecb_expect_false (e == 31))
		1296	/* infinity or NaN */
		1297	e = 255 - (127 - 15);
		1298	else if (ecb_expect_false (!e))
		1299	{
		1300	if (ecb_expect_true (!m))
		1301	/* zero, handled by code below by forcing e to 0 */
		1302	e = 0 - (127 - 15);
		1303	else
		1304	{
		1305	/* subnormal, renormalise */
		1306	unsigned int s = 10 - ecb_ld32 (m);
		1307
		1308	m = (m << s) & 0x3ff; /* mask implicit bit */
		1309	e -= s - 1;
		1310	}
		1311	}
		1312
		1313	/* e and m now are normalised, or zero, (or inf or nan) */
		1314	e += 127 - 15;
		1315
		1316	return s | (e << 23) | (m << (23 - 10));
		1317	}
		1318
		1319	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1320	ecb_function_ ecb_const uint16_t
		1321	ecb_binary32_to_binary16 (uint32_t x)
		1322	{
		1323	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1324	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1325	unsigned int m = x & 0x007fffff;
		1326
		1327	x &= 0x7fffffff;
		1328
		1329	/* if it's within range of binary16 normals, use fast path */
		1330	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1331	{
		1332	/* mantissa round-to-even */
		1333	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1334
		1335	/* handle overflow */
		1336	if (ecb_expect_false (m >= 0x00800000))
		1337	{
		1338	m >>= 1;
		1339	e += 1;
		1340	}
		1341
		1342	return s | (e << 10) | (m >> (23 - 10));
		1343	}
		1344
		1345	/* handle large numbers and infinity */
		1346	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1347	return s | 0x7c00;
		1348
		1349	/* handle zero, subnormals and small numbers */
		1350	if (ecb_expect_true (x < 0x38800000))
		1351	{
		1352	/* zero */
		1353	if (ecb_expect_true (!x))
		1354	return s;
		1355
		1356	/* handle subnormals */
		1357
		1358	/* too small, will be zero */
		1359	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1360	return s;
		1361
		1362	m |= 0x00800000; /* make implicit bit explicit */
		1363
		1364	/* very tricky - we need to round to the nearest e (+10) bit value */
		1365	{
		1366	unsigned int bits = 14 - e;
		1367	unsigned int half = (1 << (bits - 1)) - 1;
		1368	unsigned int even = (m >> bits) & 1;
		1369
		1370	/* if this overflows, we will end up with a normalised number */
		1371	m = (m + half + even) >> bits;
		1372	}
		1373
		1374	return s | m;
		1375	}
		1376
		1377	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1378	m >>= 13;
		1379
		1380	return s | 0x7c00 | m | !m;
		1381	}
		1382
1084	/*******************************************************************************/	1383	/*******************************************************************************/
1085	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1384	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1086		1385
1087	/* basically, everything uses "ieee pure-endian" floating point numbers */	1386	/* basically, everything uses "ieee pure-endian" floating point numbers */
1088	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1387	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1089	#if 0 \	1388	#if 0 \
1090	|| __i386 || __i386__ \	1389	|| __i386 || __i386__ \
1091	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1390	|| ECB_GCC_AMD64 \
1092	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1391	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1093	|| defined __s390__ || defined __s390x__ \	1392	|| defined __s390__ || defined __s390x__ \
1094	|| defined __mips__ \	1393	|| defined __mips__ \
1095	|| defined __alpha__ \	1394	|| defined __alpha__ \
1096	|| defined __hppa__ \	1395	|| defined __hppa__ \
1097	|| defined __ia64__ \	1396	|| defined __ia64__ \
1098	|| defined __m68k__ \	1397	|| defined __m68k__ \
1099	|| defined __m88k__ \	1398	|| defined __m88k__ \
1100	|| defined __sh__ \	1399	|| defined __sh__ \
1101	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1400	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1102	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \	1401	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1103	|| defined __aarch64__	1402	|| defined __aarch64__
1104	#define ECB_STDFP 1	1403	#define ECB_STDFP 1
1105	#include <string.h> /* for memcpy */	1404	#include <string.h> /* for memcpy */
1106	#else	1405	#else
…		…
1122	#define ECB_NAN NAN	1421	#define ECB_NAN NAN
1123	#else	1422	#else
1124	#define ECB_NAN ECB_INFINITY	1423	#define ECB_NAN ECB_INFINITY
1125	#endif	1424	#endif
1126		1425
1127	/* converts an ieee half/binary16 to a float */	1426	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1128	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1427	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1129	ecb_function_ float	1428	#define ecb_frexpf(x,e) frexpf ((x), (e))
1130	ecb_binary16_to_float (uint16_t x)	1429	#else
1131	{	1430	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1132	int e = (x >> 10) & 0x1f;	1431	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1133	int m = x & 0x3ff;	1432	#endif
1134	float r;
1135
1136	if (!e ) r = ldexpf (m , -24);
1137	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1138	else if (m ) r = ECB_NAN;
1139	else r = ECB_INFINITY;
1140
1141	return x & 0x8000 ? -r : r;
1142	}
1143		1433
1144	/* convert a float to ieee single/binary32 */	1434	/* convert a float to ieee single/binary32 */
1145	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1435	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1146	ecb_function_ uint32_t	1436	ecb_function_ ecb_const uint32_t
1147	ecb_float_to_binary32 (float x)	1437	ecb_float_to_binary32 (float x)
1148	{	1438	{
1149	uint32_t r;	1439	uint32_t r;
1150		1440
1151	#if ECB_STDFP	1441	#if ECB_STDFP
…		…
1158	if (x == 0e0f ) return 0x00000000U;	1448	if (x == 0e0f ) return 0x00000000U;
1159	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1449	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1160	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1450	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1161	if (x != x ) return 0x7fbfffffU;	1451	if (x != x ) return 0x7fbfffffU;
1162		1452
1163	m = frexpf (x, &e) * 0x1000000U;	1453	m = ecb_frexpf (x, &e) * 0x1000000U;
1164		1454
1165	r = m & 0x80000000U;	1455	r = m & 0x80000000U;
1166		1456
1167	if (r)	1457	if (r)
1168	m = -m;	1458	m = -m;
…		…
1180		1470
1181	return r;	1471	return r;
1182	}	1472	}
1183		1473
1184	/* converts an ieee single/binary32 to a float */	1474	/* converts an ieee single/binary32 to a float */
1185	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1475	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1186	ecb_function_ float	1476	ecb_function_ ecb_const float
1187	ecb_binary32_to_float (uint32_t x)	1477	ecb_binary32_to_float (uint32_t x)
1188	{	1478	{
1189	float r;	1479	float r;
1190		1480
1191	#if ECB_STDFP	1481	#if ECB_STDFP
…		…
1201	x |= 0x800000U;	1491	x |= 0x800000U;
1202	else	1492	else
1203	e = 1;	1493	e = 1;
1204		1494
1205	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1495	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1206	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1496	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1207		1497
1208	r = neg ? -r : r;	1498	r = neg ? -r : r;
1209	#endif	1499	#endif
1210		1500
1211	return r;	1501	return r;
1212	}	1502	}
1213		1503
1214	/* convert a double to ieee double/binary64 */	1504	/* convert a double to ieee double/binary64 */
1215	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1505	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1216	ecb_function_ uint64_t	1506	ecb_function_ ecb_const uint64_t
1217	ecb_double_to_binary64 (double x)	1507	ecb_double_to_binary64 (double x)
1218	{	1508	{
1219	uint64_t r;	1509	uint64_t r;
1220		1510
1221	#if ECB_STDFP	1511	#if ECB_STDFP
…		…
1250		1540
1251	return r;	1541	return r;
1252	}	1542	}
1253		1543
1254	/* converts an ieee double/binary64 to a double */	1544	/* converts an ieee double/binary64 to a double */
1255	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1545	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1256	ecb_function_ double	1546	ecb_function_ ecb_const double
1257	ecb_binary64_to_double (uint64_t x)	1547	ecb_binary64_to_double (uint64_t x)
1258	{	1548	{
1259	double r;	1549	double r;
1260		1550
1261	#if ECB_STDFP	1551	#if ECB_STDFP
…		…
1279	#endif	1569	#endif
1280		1570
1281	return r;	1571	return r;
1282	}	1572	}
1283		1573
		1574	/* convert a float to ieee half/binary16 */
		1575	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1576	ecb_function_ ecb_const uint16_t
		1577	ecb_float_to_binary16 (float x)
		1578	{
		1579	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1580	}
		1581
		1582	/* convert an ieee half/binary16 to float */
		1583	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1584	ecb_function_ ecb_const float
		1585	ecb_binary16_to_float (uint16_t x)
		1586	{
		1587	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1588	}
		1589
1284	#endif	1590	#endif
1285		1591
1286	#endif	1592	#endif
1287		1593
1288	/* ECB.H END */	1594	/* ECB.H END */
1289		1595
1290	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1596	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1291	/* if your architecture doesn't need memory fences, e.g. because it is	1597	/* if your architecture doesn't need memory fences, e.g. because it is
1292	* single-cpu/core, or if you use libev in a project that doesn't use libev	1598	* single-cpu/core, or if you use libev in a project that doesn't use libev
1293	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1599	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1294	* libev, in which cases the memory fences become nops.	1600	* libev, in which cases the memory fences become nops.
1295	* alternatively, you can remove this #error and link against libpthread,	1601	* alternatively, you can remove this #error and link against libpthread,
1296	* which will then provide the memory fences.	1602	* which will then provide the memory fences.
1297	*/	1603	*/
1298	# error "memory fences not defined for your architecture, please report"	1604	# error "memory fences not defined for your architecture, please report"
…		…
1302	# define ECB_MEMORY_FENCE do { } while (0)	1608	# define ECB_MEMORY_FENCE do { } while (0)
1303	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1609	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1304	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1610	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1305	#endif	1611	#endif
1306		1612
1307	#define expect_false(cond) ecb_expect_false (cond)
1308	#define expect_true(cond) ecb_expect_true (cond)
1309	#define noinline ecb_noinline
1310
1311	#define inline_size ecb_inline	1613	#define inline_size ecb_inline
1312		1614
1313	#if EV_FEATURE_CODE	1615	#if EV_FEATURE_CODE
1314	# define inline_speed ecb_inline	1616	# define inline_speed ecb_inline
1315	#else	1617	#else
1316	# define inline_speed static noinline	1618	# define inline_speed ecb_noinline static
1317	#endif	1619	#endif
		1620
		1621	/*****************************************************************************/
		1622	/* raw syscall wrappers */
		1623
		1624	#if EV_NEED_SYSCALL
		1625
		1626	#include <sys/syscall.h>
		1627
		1628	/*
		1629	* define some syscall wrappers for common architectures
		1630	* this is mostly for nice looks during debugging, not performance.
		1631	* our syscalls return < 0, not == -1, on error. which is good
		1632	* enough for linux aio.
		1633	* TODO: arm is also common nowadays, maybe even mips and x86
		1634	* TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
		1635	*/
		1636	#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
		1637	/* the costly errno access probably kills this for size optimisation */
		1638
		1639	#define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
		1640	({ \
		1641	long res; \
		1642	register unsigned long r6 __asm__ ("r9" ); \
		1643	register unsigned long r5 __asm__ ("r8" ); \
		1644	register unsigned long r4 __asm__ ("r10"); \
		1645	register unsigned long r3 __asm__ ("rdx"); \
		1646	register unsigned long r2 __asm__ ("rsi"); \
		1647	register unsigned long r1 __asm__ ("rdi"); \
		1648	if (narg >= 6) r6 = (unsigned long)(arg6); \
		1649	if (narg >= 5) r5 = (unsigned long)(arg5); \
		1650	if (narg >= 4) r4 = (unsigned long)(arg4); \
		1651	if (narg >= 3) r3 = (unsigned long)(arg3); \
		1652	if (narg >= 2) r2 = (unsigned long)(arg2); \
		1653	if (narg >= 1) r1 = (unsigned long)(arg1); \
		1654	__asm__ __volatile__ ( \
		1655	"syscall\n\t" \
		1656	: "=a" (res) \
		1657	: "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
		1658	: "cc", "r11", "cx", "memory"); \
		1659	errno = -res; \
		1660	res; \
		1661	})
		1662
		1663	#endif
		1664
		1665	#ifdef ev_syscall
		1666	#define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
		1667	#define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
		1668	#define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
		1669	#define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
		1670	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
		1671	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
		1672	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
		1673	#else
		1674	#define ev_syscall0(nr) syscall (nr)
		1675	#define ev_syscall1(nr,arg1) syscall (nr, arg1)
		1676	#define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
		1677	#define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
		1678	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
		1679	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
		1680	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
		1681	#endif
		1682
		1683	#endif
		1684
		1685	/*****************************************************************************/
1318		1686
1319	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1687	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1320		1688
1321	#if EV_MINPRI == EV_MAXPRI	1689	#if EV_MINPRI == EV_MAXPRI
1322	# define ABSPRI(w) (((W)w), 0)	1690	# define ABSPRI(w) (((W)w), 0)
1323	#else	1691	#else
1324	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1692	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1325	#endif	1693	#endif
1326		1694
1327	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1695	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1328	#define EMPTY2(a,b) /* used to suppress some warnings */
1329		1696
1330	typedef ev_watcher *W;	1697	typedef ev_watcher *W;
1331	typedef ev_watcher_list *WL;	1698	typedef ev_watcher_list *WL;
1332	typedef ev_watcher_time *WT;	1699	typedef ev_watcher_time *WT;
1333		1700
…		…
1358	# include "ev_win32.c"	1725	# include "ev_win32.c"
1359	#endif	1726	#endif
1360		1727
1361	/*****************************************************************************/	1728	/*****************************************************************************/
1362		1729
		1730	#if EV_USE_LINUXAIO
		1731	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1732	#endif
		1733
1363	/* define a suitable floor function (only used by periodics atm) */	1734	/* define a suitable floor function (only used by periodics atm) */
1364		1735
1365	#if EV_USE_FLOOR	1736	#if EV_USE_FLOOR
1366	# include <math.h>	1737	# include <math.h>
1367	# define ev_floor(v) floor (v)	1738	# define ev_floor(v) floor (v)
1368	#else	1739	#else
1369		1740
1370	#include <float.h>	1741	#include <float.h>
1371		1742
1372	/* a floor() replacement function, should be independent of ev_tstamp type */	1743	/* a floor() replacement function, should be independent of ev_tstamp type */
		1744	ecb_noinline
1373	static ev_tstamp noinline	1745	static ev_tstamp
1374	ev_floor (ev_tstamp v)	1746	ev_floor (ev_tstamp v)
1375	{	1747	{
1376	/* the choice of shift factor is not terribly important */	1748	/* the choice of shift factor is not terribly important */
1377	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1749	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1378	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1750	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1379	#else	1751	#else
1380	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1752	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1381	#endif	1753	#endif
1382		1754
		1755	/* special treatment for negative arguments */
		1756	if (ecb_expect_false (v < 0.))
		1757	{
		1758	ev_tstamp f = -ev_floor (-v);
		1759
		1760	return f - (f == v ? 0 : 1);
		1761	}
		1762
1383	/* argument too large for an unsigned long? */	1763	/* argument too large for an unsigned long? then reduce it */
1384	if (expect_false (v >= shift))	1764	if (ecb_expect_false (v >= shift))
1385	{	1765	{
1386	ev_tstamp f;	1766	ev_tstamp f;
1387		1767
1388	if (v == v - 1.)	1768	if (v == v - 1.)
1389	return v; /* very large number */	1769	return v; /* very large numbers are assumed to be integer */
1390		1770
1391	f = shift * ev_floor (v * (1. / shift));	1771	f = shift * ev_floor (v * (1. / shift));
1392	return f + ev_floor (v - f);	1772	return f + ev_floor (v - f);
1393	}	1773	}
1394		1774
1395	/* special treatment for negative args? */
1396	if (expect_false (v < 0.))
1397	{
1398	ev_tstamp f = -ev_floor (-v);
1399
1400	return f - (f == v ? 0 : 1);
1401	}
1402
1403	/* fits into an unsigned long */	1775	/* fits into an unsigned long */
1404	return (unsigned long)v;	1776	return (unsigned long)v;
1405	}	1777	}
1406		1778
1407	#endif	1779	#endif
…		…
1410		1782
1411	#ifdef __linux	1783	#ifdef __linux
1412	# include <sys/utsname.h>	1784	# include <sys/utsname.h>
1413	#endif	1785	#endif
1414		1786
1415	static unsigned int noinline ecb_cold	1787	ecb_noinline ecb_cold
		1788	static unsigned int
1416	ev_linux_version (void)	1789	ev_linux_version (void)
1417	{	1790	{
1418	#ifdef __linux	1791	#ifdef __linux
1419	unsigned int v = 0;	1792	unsigned int v = 0;
1420	struct utsname buf;	1793	struct utsname buf;
…		…
1449	}	1822	}
1450		1823
1451	/*****************************************************************************/	1824	/*****************************************************************************/
1452		1825
1453	#if EV_AVOID_STDIO	1826	#if EV_AVOID_STDIO
1454	static void noinline ecb_cold	1827	ecb_noinline ecb_cold
		1828	static void
1455	ev_printerr (const char *msg)	1829	ev_printerr (const char *msg)
1456	{	1830	{
1457	write (STDERR_FILENO, msg, strlen (msg));	1831	write (STDERR_FILENO, msg, strlen (msg));
1458	}	1832	}
1459	#endif	1833	#endif
1460		1834
1461	static void (*syserr_cb)(const char *msg) EV_THROW;	1835	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1462		1836
1463	void ecb_cold	1837	ecb_cold
		1838	void
1464	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1839	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1465	{	1840	{
1466	syserr_cb = cb;	1841	syserr_cb = cb;
1467	}	1842	}
1468		1843
1469	static void noinline ecb_cold	1844	ecb_noinline ecb_cold
		1845	static void
1470	ev_syserr (const char *msg)	1846	ev_syserr (const char *msg)
1471	{	1847	{
1472	if (!msg)	1848	if (!msg)
1473	msg = "(libev) system error";	1849	msg = "(libev) system error";
1474		1850
…		…
1487	abort ();	1863	abort ();
1488	}	1864	}
1489	}	1865	}
1490		1866
1491	static void *	1867	static void *
1492	ev_realloc_emul (void *ptr, long size) EV_THROW	1868	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1493	{	1869	{
1494	/* some systems, notably openbsd and darwin, fail to properly	1870	/* some systems, notably openbsd and darwin, fail to properly
1495	* implement realloc (x, 0) (as required by both ansi c-89 and	1871	* implement realloc (x, 0) (as required by both ansi c-89 and
1496	* the single unix specification, so work around them here.	1872	* the single unix specification, so work around them here.
1497	* recently, also (at least) fedora and debian started breaking it,	1873	* recently, also (at least) fedora and debian started breaking it,
…		…
1503		1879
1504	free (ptr);	1880	free (ptr);
1505	return 0;	1881	return 0;
1506	}	1882	}
1507		1883
1508	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1884	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1509		1885
1510	void ecb_cold	1886	ecb_cold
		1887	void
1511	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1888	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1512	{	1889	{
1513	alloc = cb;	1890	alloc = cb;
1514	}	1891	}
1515		1892
1516	inline_speed void *	1893	inline_speed void *
…		…
1543	typedef struct	1920	typedef struct
1544	{	1921	{
1545	WL head;	1922	WL head;
1546	unsigned char events; /* the events watched for */	1923	unsigned char events; /* the events watched for */
1547	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1924	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1548	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1925	unsigned char emask; /* some backends store the actual kernel mask in here */
1549	unsigned char unused;	1926	unsigned char eflags; /* flags field for use by backends */
1550	#if EV_USE_EPOLL	1927	#if EV_USE_EPOLL
1551	unsigned int egen; /* generation counter to counter epoll bugs */	1928	unsigned int egen; /* generation counter to counter epoll bugs */
1552	#endif	1929	#endif
1553	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1930	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1554	SOCKET handle;	1931	SOCKET handle;
…		…
1608	static struct ev_loop default_loop_struct;	1985	static struct ev_loop default_loop_struct;
1609	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */	1986	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1610		1987
1611	#else	1988	#else
1612		1989
1613	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */	1990	EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */
1614	#define VAR(name,decl) static decl;	1991	#define VAR(name,decl) static decl;
1615	#include "ev_vars.h"	1992	#include "ev_vars.h"
1616	#undef VAR	1993	#undef VAR
1617		1994
1618	static int ev_default_loop_ptr;	1995	static int ev_default_loop_ptr;
1619		1996
1620	#endif	1997	#endif
1621		1998
1622	#if EV_FEATURE_API	1999	#if EV_FEATURE_API
1623	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	2000	# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1624	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	2001	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1625	# define EV_INVOKE_PENDING invoke_cb (EV_A)	2002	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1626	#else	2003	#else
1627	# define EV_RELEASE_CB (void)0	2004	# define EV_RELEASE_CB (void)0
1628	# define EV_ACQUIRE_CB (void)0	2005	# define EV_ACQUIRE_CB (void)0
1629	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	2006	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1633		2010
1634	/*****************************************************************************/	2011	/*****************************************************************************/
1635		2012
1636	#ifndef EV_HAVE_EV_TIME	2013	#ifndef EV_HAVE_EV_TIME
1637	ev_tstamp	2014	ev_tstamp
1638	ev_time (void) EV_THROW	2015	ev_time (void) EV_NOEXCEPT
1639	{	2016	{
1640	#if EV_USE_REALTIME	2017	#if EV_USE_REALTIME
1641	if (expect_true (have_realtime))	2018	if (ecb_expect_true (have_realtime))
1642	{	2019	{
1643	struct timespec ts;	2020	struct timespec ts;
1644	clock_gettime (CLOCK_REALTIME, &ts);	2021	clock_gettime (CLOCK_REALTIME, &ts);
1645	return ts.tv_sec + ts.tv_nsec * 1e-9;	2022	return EV_TS_GET (ts);
1646	}	2023	}
1647	#endif	2024	#endif
1648		2025
		2026	{
1649	struct timeval tv;	2027	struct timeval tv;
1650	gettimeofday (&tv, 0);	2028	gettimeofday (&tv, 0);
1651	return tv.tv_sec + tv.tv_usec * 1e-6;	2029	return EV_TV_GET (tv);
		2030	}
1652	}	2031	}
1653	#endif	2032	#endif
1654		2033
1655	inline_size ev_tstamp	2034	inline_size ev_tstamp
1656	get_clock (void)	2035	get_clock (void)
1657	{	2036	{
1658	#if EV_USE_MONOTONIC	2037	#if EV_USE_MONOTONIC
1659	if (expect_true (have_monotonic))	2038	if (ecb_expect_true (have_monotonic))
1660	{	2039	{
1661	struct timespec ts;	2040	struct timespec ts;
1662	clock_gettime (CLOCK_MONOTONIC, &ts);	2041	clock_gettime (CLOCK_MONOTONIC, &ts);
1663	return ts.tv_sec + ts.tv_nsec * 1e-9;	2042	return EV_TS_GET (ts);
1664	}	2043	}
1665	#endif	2044	#endif
1666		2045
1667	return ev_time ();	2046	return ev_time ();
1668	}	2047	}
1669		2048
1670	#if EV_MULTIPLICITY	2049	#if EV_MULTIPLICITY
1671	ev_tstamp	2050	ev_tstamp
1672	ev_now (EV_P) EV_THROW	2051	ev_now (EV_P) EV_NOEXCEPT
1673	{	2052	{
1674	return ev_rt_now;	2053	return ev_rt_now;
1675	}	2054	}
1676	#endif	2055	#endif
1677		2056
1678	void	2057	void
1679	ev_sleep (ev_tstamp delay) EV_THROW	2058	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1680	{	2059	{
1681	if (delay > 0.)	2060	if (delay > EV_TS_CONST (0.))
1682	{	2061	{
1683	#if EV_USE_NANOSLEEP	2062	#if EV_USE_NANOSLEEP
1684	struct timespec ts;	2063	struct timespec ts;
1685		2064
1686	EV_TS_SET (ts, delay);	2065	EV_TS_SET (ts, delay);
1687	nanosleep (&ts, 0);	2066	nanosleep (&ts, 0);
1688	#elif defined _WIN32	2067	#elif defined _WIN32
		2068	/* maybe this should round up, as ms is very low resolution */
		2069	/* compared to select (µs) or nanosleep (ns) */
1689	Sleep ((unsigned long)(delay * 1e3));	2070	Sleep ((unsigned long)(EV_TS_TO_MSEC (delay)));
1690	#else	2071	#else
1691	struct timeval tv;	2072	struct timeval tv;
1692		2073
1693	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	2074	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1694	/* something not guaranteed by newer posix versions, but guaranteed */	2075	/* something not guaranteed by newer posix versions, but guaranteed */
…		…
1724	}	2105	}
1725		2106
1726	return ncur;	2107	return ncur;
1727	}	2108	}
1728		2109
1729	static void * noinline ecb_cold	2110	ecb_noinline ecb_cold
		2111	static void *
1730	array_realloc (int elem, void *base, int *cur, int cnt)	2112	array_realloc (int elem, void *base, int *cur, int cnt)
1731	{	2113	{
1732	*cur = array_nextsize (elem, *cur, cnt);	2114	*cur = array_nextsize (elem, *cur, cnt);
1733	return ev_realloc (base, elem * *cur);	2115	return ev_realloc (base, elem * *cur);
1734	}	2116	}
1735		2117
		2118	#define array_needsize_noinit(base,offset,count)
		2119
1736	#define array_init_zero(base,count) \	2120	#define array_needsize_zerofill(base,offset,count) \
1737	memset ((void *)(base), 0, sizeof (*(base)) * (count))	2121	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1738		2122
1739	#define array_needsize(type,base,cur,cnt,init) \	2123	#define array_needsize(type,base,cur,cnt,init) \
1740	if (expect_false ((cnt) > (cur))) \	2124	if (ecb_expect_false ((cnt) > (cur))) \
1741	{ \	2125	{ \
1742	int ecb_unused ocur_ = (cur); \	2126	ecb_unused int ocur_ = (cur); \
1743	(base) = (type *)array_realloc \	2127	(base) = (type *)array_realloc \
1744	(sizeof (type), (base), &(cur), (cnt)); \	2128	(sizeof (type), (base), &(cur), (cnt)); \
1745	init ((base) + (ocur_), (cur) - ocur_); \	2129	init ((base), ocur_, ((cur) - ocur_)); \
1746	}	2130	}
1747		2131
1748	#if 0	2132	#if 0
1749	#define array_slim(type,stem) \	2133	#define array_slim(type,stem) \
1750	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2134	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1759	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2143	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1760		2144
1761	/*****************************************************************************/	2145	/*****************************************************************************/
1762		2146
1763	/* dummy callback for pending events */	2147	/* dummy callback for pending events */
1764	static void noinline	2148	ecb_noinline
		2149	static void
1765	pendingcb (EV_P_ ev_prepare *w, int revents)	2150	pendingcb (EV_P_ ev_prepare *w, int revents)
1766	{	2151	{
1767	}	2152	}
1768		2153
1769	void noinline	2154	ecb_noinline
		2155	void
1770	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2156	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1771	{	2157	{
1772	W w_ = (W)w;	2158	W w_ = (W)w;
1773	int pri = ABSPRI (w_);	2159	int pri = ABSPRI (w_);
1774		2160
1775	if (expect_false (w_->pending))	2161	if (ecb_expect_false (w_->pending))
1776	pendings [pri][w_->pending - 1].events |= revents;	2162	pendings [pri][w_->pending - 1].events |= revents;
1777	else	2163	else
1778	{	2164	{
1779	w_->pending = ++pendingcnt [pri];	2165	w_->pending = ++pendingcnt [pri];
1780	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2166	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1781	pendings [pri][w_->pending - 1].w = w_;	2167	pendings [pri][w_->pending - 1].w = w_;
1782	pendings [pri][w_->pending - 1].events = revents;	2168	pendings [pri][w_->pending - 1].events = revents;
1783	}	2169	}
1784		2170
1785	pendingpri = NUMPRI - 1;	2171	pendingpri = NUMPRI - 1;
1786	}	2172	}
1787		2173
1788	inline_speed void	2174	inline_speed void
1789	feed_reverse (EV_P_ W w)	2175	feed_reverse (EV_P_ W w)
1790	{	2176	{
1791	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2177	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1792	rfeeds [rfeedcnt++] = w;	2178	rfeeds [rfeedcnt++] = w;
1793	}	2179	}
1794		2180
1795	inline_size void	2181	inline_size void
1796	feed_reverse_done (EV_P_ int revents)	2182	feed_reverse_done (EV_P_ int revents)
…		…
1831	inline_speed void	2217	inline_speed void
1832	fd_event (EV_P_ int fd, int revents)	2218	fd_event (EV_P_ int fd, int revents)
1833	{	2219	{
1834	ANFD *anfd = anfds + fd;	2220	ANFD *anfd = anfds + fd;
1835		2221
1836	if (expect_true (!anfd->reify))	2222	if (ecb_expect_true (!anfd->reify))
1837	fd_event_nocheck (EV_A_ fd, revents);	2223	fd_event_nocheck (EV_A_ fd, revents);
1838	}	2224	}
1839		2225
1840	void	2226	void
1841	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2227	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1842	{	2228	{
1843	if (fd >= 0 && fd < anfdmax)	2229	if (fd >= 0 && fd < anfdmax)
1844	fd_event_nocheck (EV_A_ fd, revents);	2230	fd_event_nocheck (EV_A_ fd, revents);
1845	}	2231	}
1846		2232
…		…
1883	ev_io *w;	2269	ev_io *w;
1884		2270
1885	unsigned char o_events = anfd->events;	2271	unsigned char o_events = anfd->events;
1886	unsigned char o_reify = anfd->reify;	2272	unsigned char o_reify = anfd->reify;
1887		2273
1888	anfd->reify = 0;	2274	anfd->reify = 0;
1889		2275
1890	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2276	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1891	{	2277	{
1892	anfd->events = 0;	2278	anfd->events = 0;
1893		2279
1894	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2280	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1895	anfd->events |= (unsigned char)w->events;	2281	anfd->events |= (unsigned char)w->events;
…		…
1904		2290
1905	fdchangecnt = 0;	2291	fdchangecnt = 0;
1906	}	2292	}
1907		2293
1908	/* something about the given fd changed */	2294	/* something about the given fd changed */
1909	inline_size void	2295	inline_size
		2296	void
1910	fd_change (EV_P_ int fd, int flags)	2297	fd_change (EV_P_ int fd, int flags)
1911	{	2298	{
1912	unsigned char reify = anfds [fd].reify;	2299	unsigned char reify = anfds [fd].reify;
1913	anfds [fd].reify |= flags;	2300	anfds [fd].reify |= flags;
1914		2301
1915	if (expect_true (!reify))	2302	if (ecb_expect_true (!reify))
1916	{	2303	{
1917	++fdchangecnt;	2304	++fdchangecnt;
1918	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2305	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1919	fdchanges [fdchangecnt - 1] = fd;	2306	fdchanges [fdchangecnt - 1] = fd;
1920	}	2307	}
1921	}	2308	}
1922		2309
1923	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2310	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1924	inline_speed void ecb_cold	2311	inline_speed ecb_cold void
1925	fd_kill (EV_P_ int fd)	2312	fd_kill (EV_P_ int fd)
1926	{	2313	{
1927	ev_io *w;	2314	ev_io *w;
1928		2315
1929	while ((w = (ev_io *)anfds [fd].head))	2316	while ((w = (ev_io *)anfds [fd].head))
…		…
1932	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2319	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1933	}	2320	}
1934	}	2321	}
1935		2322
1936	/* check whether the given fd is actually valid, for error recovery */	2323	/* check whether the given fd is actually valid, for error recovery */
1937	inline_size int ecb_cold	2324	inline_size ecb_cold int
1938	fd_valid (int fd)	2325	fd_valid (int fd)
1939	{	2326	{
1940	#ifdef _WIN32	2327	#ifdef _WIN32
1941	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2328	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1942	#else	2329	#else
1943	return fcntl (fd, F_GETFD) != -1;	2330	return fcntl (fd, F_GETFD) != -1;
1944	#endif	2331	#endif
1945	}	2332	}
1946		2333
1947	/* called on EBADF to verify fds */	2334	/* called on EBADF to verify fds */
1948	static void noinline ecb_cold	2335	ecb_noinline ecb_cold
		2336	static void
1949	fd_ebadf (EV_P)	2337	fd_ebadf (EV_P)
1950	{	2338	{
1951	int fd;	2339	int fd;
1952		2340
1953	for (fd = 0; fd < anfdmax; ++fd)	2341	for (fd = 0; fd < anfdmax; ++fd)
…		…
1955	if (!fd_valid (fd) && errno == EBADF)	2343	if (!fd_valid (fd) && errno == EBADF)
1956	fd_kill (EV_A_ fd);	2344	fd_kill (EV_A_ fd);
1957	}	2345	}
1958		2346
1959	/* called on ENOMEM in select/poll to kill some fds and retry */	2347	/* called on ENOMEM in select/poll to kill some fds and retry */
1960	static void noinline ecb_cold	2348	ecb_noinline ecb_cold
		2349	static void
1961	fd_enomem (EV_P)	2350	fd_enomem (EV_P)
1962	{	2351	{
1963	int fd;	2352	int fd;
1964		2353
1965	for (fd = anfdmax; fd--; )	2354	for (fd = anfdmax; fd--; )
…		…
1969	break;	2358	break;
1970	}	2359	}
1971	}	2360	}
1972		2361
1973	/* usually called after fork if backend needs to re-arm all fds from scratch */	2362	/* usually called after fork if backend needs to re-arm all fds from scratch */
1974	static void noinline	2363	ecb_noinline
		2364	static void
1975	fd_rearm_all (EV_P)	2365	fd_rearm_all (EV_P)
1976	{	2366	{
1977	int fd;	2367	int fd;
1978		2368
1979	for (fd = 0; fd < anfdmax; ++fd)	2369	for (fd = 0; fd < anfdmax; ++fd)
…		…
2032	ev_tstamp minat;	2422	ev_tstamp minat;
2033	ANHE *minpos;	2423	ANHE *minpos;
2034	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2424	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2035		2425
2036	/* find minimum child */	2426	/* find minimum child */
2037	if (expect_true (pos + DHEAP - 1 < E))	2427	if (ecb_expect_true (pos + DHEAP - 1 < E))
2038	{	2428	{
2039	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2429	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2040	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2430	if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2041	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2431	if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2042	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2432	if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2043	}	2433	}
2044	else if (pos < E)	2434	else if (pos < E)
2045	{	2435	{
2046	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2436	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2047	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2437	if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2048	if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2438	if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2049	if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2439	if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2050	}	2440	}
2051	else	2441	else
2052	break;	2442	break;
2053		2443
2054	if (ANHE_at (he) <= minat)	2444	if (ANHE_at (he) <= minat)
…		…
2062		2452
2063	heap [k] = he;	2453	heap [k] = he;
2064	ev_active (ANHE_w (he)) = k;	2454	ev_active (ANHE_w (he)) = k;
2065	}	2455	}
2066		2456
2067	#else /* 4HEAP */	2457	#else /* not 4HEAP */
2068		2458
2069	#define HEAP0 1	2459	#define HEAP0 1
2070	#define HPARENT(k) ((k) >> 1)	2460	#define HPARENT(k) ((k) >> 1)
2071	#define UPHEAP_DONE(p,k) (!(p))	2461	#define UPHEAP_DONE(p,k) (!(p))
2072		2462
…		…
2160		2550
2161	/*****************************************************************************/	2551	/*****************************************************************************/
2162		2552
2163	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2553	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2164		2554
2165	static void noinline ecb_cold	2555	ecb_noinline ecb_cold
		2556	static void
2166	evpipe_init (EV_P)	2557	evpipe_init (EV_P)
2167	{	2558	{
2168	if (!ev_is_active (&pipe_w))	2559	if (!ev_is_active (&pipe_w))
2169	{	2560	{
2170	int fds [2];	2561	int fds [2];
…		…
2210	inline_speed void	2601	inline_speed void
2211	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2602	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2212	{	2603	{
2213	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2604	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2214		2605
2215	if (expect_true (*flag))	2606	if (ecb_expect_true (*flag))
2216	return;	2607	return;
2217		2608
2218	*flag = 1;	2609	*flag = 1;
2219	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2610	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2220		2611
…		…
2241	#endif	2632	#endif
2242	{	2633	{
2243	#ifdef _WIN32	2634	#ifdef _WIN32
2244	WSABUF buf;	2635	WSABUF buf;
2245	DWORD sent;	2636	DWORD sent;
2246	buf.buf = &buf;	2637	buf.buf = (char *)&buf;
2247	buf.len = 1;	2638	buf.len = 1;
2248	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2639	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2249	#else	2640	#else
2250	write (evpipe [1], &(evpipe [1]), 1);	2641	write (evpipe [1], &(evpipe [1]), 1);
2251	#endif	2642	#endif
…		…
2297	sig_pending = 0;	2688	sig_pending = 0;
2298		2689
2299	ECB_MEMORY_FENCE;	2690	ECB_MEMORY_FENCE;
2300		2691
2301	for (i = EV_NSIG - 1; i--; )	2692	for (i = EV_NSIG - 1; i--; )
2302	if (expect_false (signals [i].pending))	2693	if (ecb_expect_false (signals [i].pending))
2303	ev_feed_signal_event (EV_A_ i + 1);	2694	ev_feed_signal_event (EV_A_ i + 1);
2304	}	2695	}
2305	#endif	2696	#endif
2306		2697
2307	#if EV_ASYNC_ENABLE	2698	#if EV_ASYNC_ENABLE
…		…
2323	}	2714	}
2324		2715
2325	/*****************************************************************************/	2716	/*****************************************************************************/
2326		2717
2327	void	2718	void
2328	ev_feed_signal (int signum) EV_THROW	2719	ev_feed_signal (int signum) EV_NOEXCEPT
2329	{	2720	{
2330	#if EV_MULTIPLICITY	2721	#if EV_MULTIPLICITY
2331	EV_P;	2722	EV_P;
2332	ECB_MEMORY_FENCE_ACQUIRE;	2723	ECB_MEMORY_FENCE_ACQUIRE;
2333	EV_A = signals [signum - 1].loop;	2724	EV_A = signals [signum - 1].loop;
…		…
2348	#endif	2739	#endif
2349		2740
2350	ev_feed_signal (signum);	2741	ev_feed_signal (signum);
2351	}	2742	}
2352		2743
2353	void noinline	2744	ecb_noinline
		2745	void
2354	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2746	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2355	{	2747	{
2356	WL w;	2748	WL w;
2357		2749
2358	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2750	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2359	return;	2751	return;
2360		2752
2361	--signum;	2753	--signum;
2362		2754
2363	#if EV_MULTIPLICITY	2755	#if EV_MULTIPLICITY
2364	/* it is permissible to try to feed a signal to the wrong loop */	2756	/* it is permissible to try to feed a signal to the wrong loop */
2365	/* or, likely more useful, feeding a signal nobody is waiting for */	2757	/* or, likely more useful, feeding a signal nobody is waiting for */
2366		2758
2367	if (expect_false (signals [signum].loop != EV_A))	2759	if (ecb_expect_false (signals [signum].loop != EV_A))
2368	return;	2760	return;
2369	#endif	2761	#endif
2370		2762
2371	signals [signum].pending = 0;	2763	signals [signum].pending = 0;
2372	ECB_MEMORY_FENCE_RELEASE;	2764	ECB_MEMORY_FENCE_RELEASE;
…		…
2468	# include "ev_kqueue.c"	2860	# include "ev_kqueue.c"
2469	#endif	2861	#endif
2470	#if EV_USE_EPOLL	2862	#if EV_USE_EPOLL
2471	# include "ev_epoll.c"	2863	# include "ev_epoll.c"
2472	#endif	2864	#endif
		2865	#if EV_USE_LINUXAIO
		2866	# include "ev_linuxaio.c"
		2867	#endif
		2868	#if EV_USE_IOURING
		2869	# include "ev_iouring.c"
		2870	#endif
2473	#if EV_USE_POLL	2871	#if EV_USE_POLL
2474	# include "ev_poll.c"	2872	# include "ev_poll.c"
2475	#endif	2873	#endif
2476	#if EV_USE_SELECT	2874	#if EV_USE_SELECT
2477	# include "ev_select.c"	2875	# include "ev_select.c"
2478	#endif	2876	#endif
2479		2877
2480	int ecb_cold	2878	ecb_cold int
2481	ev_version_major (void) EV_THROW	2879	ev_version_major (void) EV_NOEXCEPT
2482	{	2880	{
2483	return EV_VERSION_MAJOR;	2881	return EV_VERSION_MAJOR;
2484	}	2882	}
2485		2883
2486	int ecb_cold	2884	ecb_cold int
2487	ev_version_minor (void) EV_THROW	2885	ev_version_minor (void) EV_NOEXCEPT
2488	{	2886	{
2489	return EV_VERSION_MINOR;	2887	return EV_VERSION_MINOR;
2490	}	2888	}
2491		2889
2492	/* return true if we are running with elevated privileges and should ignore env variables */	2890	/* return true if we are running with elevated privileges and should ignore env variables */
2493	int inline_size ecb_cold	2891	inline_size ecb_cold int
2494	enable_secure (void)	2892	enable_secure (void)
2495	{	2893	{
2496	#ifdef _WIN32	2894	#ifdef _WIN32
2497	return 0;	2895	return 0;
2498	#else	2896	#else
2499	return getuid () != geteuid ()	2897	return getuid () != geteuid ()
2500	|| getgid () != getegid ();	2898	|| getgid () != getegid ();
2501	#endif	2899	#endif
2502	}	2900	}
2503		2901
2504	unsigned int ecb_cold	2902	ecb_cold
		2903	unsigned int
2505	ev_supported_backends (void) EV_THROW	2904	ev_supported_backends (void) EV_NOEXCEPT
2506	{	2905	{
2507	unsigned int flags = 0;	2906	unsigned int flags = 0;
2508		2907
2509	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2908	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2510	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2909	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2511	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2910	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2911	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
		2912	if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2512	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2913	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2513	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2914	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2514		2915
2515	return flags;	2916	return flags;
2516	}	2917	}
2517		2918
2518	unsigned int ecb_cold	2919	ecb_cold
		2920	unsigned int
2519	ev_recommended_backends (void) EV_THROW	2921	ev_recommended_backends (void) EV_NOEXCEPT
2520	{	2922	{
2521	unsigned int flags = ev_supported_backends ();	2923	unsigned int flags = ev_supported_backends ();
2522		2924
2523	#ifndef __NetBSD__	2925	#ifndef __NetBSD__
2524	/* kqueue is borked on everything but netbsd apparently */	2926	/* kqueue is borked on everything but netbsd apparently */
…		…
2532	#endif	2934	#endif
2533	#ifdef __FreeBSD__	2935	#ifdef __FreeBSD__
2534	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2936	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2535	#endif	2937	#endif
2536		2938
		2939	/* TODO: linuxaio is very experimental */
		2940	#if !EV_RECOMMEND_LINUXAIO
		2941	flags &= ~EVBACKEND_LINUXAIO;
		2942	#endif
		2943	/* TODO: linuxaio is super experimental */
		2944	#if !EV_RECOMMEND_IOURING
		2945	flags &= ~EVBACKEND_IOURING;
		2946	#endif
		2947
2537	return flags;	2948	return flags;
2538	}	2949	}
2539		2950
2540	unsigned int ecb_cold	2951	ecb_cold
		2952	unsigned int
2541	ev_embeddable_backends (void) EV_THROW	2953	ev_embeddable_backends (void) EV_NOEXCEPT
2542	{	2954	{
2543	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2955	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2544		2956
2545	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2957	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2546	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2958	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2547	flags &= ~EVBACKEND_EPOLL;	2959	flags &= ~EVBACKEND_EPOLL;
2548		2960
		2961	/* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
		2962
		2963	/* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
		2964	* because our backend_fd is the epoll fd we need as fallback.
		2965	* if the kernel ever is fixed, this might change...
		2966	*/
		2967
2549	return flags;	2968	return flags;
2550	}	2969	}
2551		2970
2552	unsigned int	2971	unsigned int
2553	ev_backend (EV_P) EV_THROW	2972	ev_backend (EV_P) EV_NOEXCEPT
2554	{	2973	{
2555	return backend;	2974	return backend;
2556	}	2975	}
2557		2976
2558	#if EV_FEATURE_API	2977	#if EV_FEATURE_API
2559	unsigned int	2978	unsigned int
2560	ev_iteration (EV_P) EV_THROW	2979	ev_iteration (EV_P) EV_NOEXCEPT
2561	{	2980	{
2562	return loop_count;	2981	return loop_count;
2563	}	2982	}
2564		2983
2565	unsigned int	2984	unsigned int
2566	ev_depth (EV_P) EV_THROW	2985	ev_depth (EV_P) EV_NOEXCEPT
2567	{	2986	{
2568	return loop_depth;	2987	return loop_depth;
2569	}	2988	}
2570		2989
2571	void	2990	void
2572	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2991	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2573	{	2992	{
2574	io_blocktime = interval;	2993	io_blocktime = interval;
2575	}	2994	}
2576		2995
2577	void	2996	void
2578	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2997	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2579	{	2998	{
2580	timeout_blocktime = interval;	2999	timeout_blocktime = interval;
2581	}	3000	}
2582		3001
2583	void	3002	void
2584	ev_set_userdata (EV_P_ void *data) EV_THROW	3003	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2585	{	3004	{
2586	userdata = data;	3005	userdata = data;
2587	}	3006	}
2588		3007
2589	void *	3008	void *
2590	ev_userdata (EV_P) EV_THROW	3009	ev_userdata (EV_P) EV_NOEXCEPT
2591	{	3010	{
2592	return userdata;	3011	return userdata;
2593	}	3012	}
2594		3013
2595	void	3014	void
2596	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	3015	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2597	{	3016	{
2598	invoke_cb = invoke_pending_cb;	3017	invoke_cb = invoke_pending_cb;
2599	}	3018	}
2600		3019
2601	void	3020	void
2602	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	3021	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2603	{	3022	{
2604	release_cb = release;	3023	release_cb = release;
2605	acquire_cb = acquire;	3024	acquire_cb = acquire;
2606	}	3025	}
2607	#endif	3026	#endif
2608		3027
2609	/* initialise a loop structure, must be zero-initialised */	3028	/* initialise a loop structure, must be zero-initialised */
2610	static void noinline ecb_cold	3029	ecb_noinline ecb_cold
		3030	static void
2611	loop_init (EV_P_ unsigned int flags) EV_THROW	3031	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2612	{	3032	{
2613	if (!backend)	3033	if (!backend)
2614	{	3034	{
2615	origflags = flags;	3035	origflags = flags;
2616		3036
…		…
2674		3094
2675	if (!(flags & EVBACKEND_MASK))	3095	if (!(flags & EVBACKEND_MASK))
2676	flags |= ev_recommended_backends ();	3096	flags |= ev_recommended_backends ();
2677		3097
2678	#if EV_USE_IOCP	3098	#if EV_USE_IOCP
2679	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	3099	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2680	#endif	3100	#endif
2681	#if EV_USE_PORT	3101	#if EV_USE_PORT
2682	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	3102	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2683	#endif	3103	#endif
2684	#if EV_USE_KQUEUE	3104	#if EV_USE_KQUEUE
2685	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	3105	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		3106	#endif
		3107	#if EV_USE_IOURING
		3108	if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
		3109	#endif
		3110	#if EV_USE_LINUXAIO
		3111	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2686	#endif	3112	#endif
2687	#if EV_USE_EPOLL	3113	#if EV_USE_EPOLL
2688	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	3114	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2689	#endif	3115	#endif
2690	#if EV_USE_POLL	3116	#if EV_USE_POLL
2691	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	3117	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2692	#endif	3118	#endif
2693	#if EV_USE_SELECT	3119	#if EV_USE_SELECT
2694	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	3120	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2695	#endif	3121	#endif
2696		3122
2697	ev_prepare_init (&pending_w, pendingcb);	3123	ev_prepare_init (&pending_w, pendingcb);
2698		3124
2699	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3125	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2702	#endif	3128	#endif
2703	}	3129	}
2704	}	3130	}
2705		3131
2706	/* free up a loop structure */	3132	/* free up a loop structure */
2707	void ecb_cold	3133	ecb_cold
		3134	void
2708	ev_loop_destroy (EV_P)	3135	ev_loop_destroy (EV_P)
2709	{	3136	{
2710	int i;	3137	int i;
2711		3138
2712	#if EV_MULTIPLICITY	3139	#if EV_MULTIPLICITY
…		…
2715	return;	3142	return;
2716	#endif	3143	#endif
2717		3144
2718	#if EV_CLEANUP_ENABLE	3145	#if EV_CLEANUP_ENABLE
2719	/* queue cleanup watchers (and execute them) */	3146	/* queue cleanup watchers (and execute them) */
2720	if (expect_false (cleanupcnt))	3147	if (ecb_expect_false (cleanupcnt))
2721	{	3148	{
2722	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3149	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2723	EV_INVOKE_PENDING;	3150	EV_INVOKE_PENDING;
2724	}	3151	}
2725	#endif	3152	#endif
…		…
2753		3180
2754	if (backend_fd >= 0)	3181	if (backend_fd >= 0)
2755	close (backend_fd);	3182	close (backend_fd);
2756		3183
2757	#if EV_USE_IOCP	3184	#if EV_USE_IOCP
2758	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3185	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2759	#endif	3186	#endif
2760	#if EV_USE_PORT	3187	#if EV_USE_PORT
2761	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3188	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2762	#endif	3189	#endif
2763	#if EV_USE_KQUEUE	3190	#if EV_USE_KQUEUE
2764	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3191	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3192	#endif
		3193	#if EV_USE_IOURING
		3194	if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
		3195	#endif
		3196	#if EV_USE_LINUXAIO
		3197	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2765	#endif	3198	#endif
2766	#if EV_USE_EPOLL	3199	#if EV_USE_EPOLL
2767	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3200	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2768	#endif	3201	#endif
2769	#if EV_USE_POLL	3202	#if EV_USE_POLL
2770	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3203	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2771	#endif	3204	#endif
2772	#if EV_USE_SELECT	3205	#if EV_USE_SELECT
2773	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3206	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2774	#endif	3207	#endif
2775		3208
2776	for (i = NUMPRI; i--; )	3209	for (i = NUMPRI; i--; )
2777	{	3210	{
2778	array_free (pending, [i]);	3211	array_free (pending, [i]);
…		…
2820		3253
2821	inline_size void	3254	inline_size void
2822	loop_fork (EV_P)	3255	loop_fork (EV_P)
2823	{	3256	{
2824	#if EV_USE_PORT	3257	#if EV_USE_PORT
2825	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3258	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2826	#endif	3259	#endif
2827	#if EV_USE_KQUEUE	3260	#if EV_USE_KQUEUE
2828	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3261	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3262	#endif
		3263	#if EV_USE_IOURING
		3264	if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
		3265	#endif
		3266	#if EV_USE_LINUXAIO
		3267	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2829	#endif	3268	#endif
2830	#if EV_USE_EPOLL	3269	#if EV_USE_EPOLL
2831	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3270	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2832	#endif	3271	#endif
2833	#if EV_USE_INOTIFY	3272	#if EV_USE_INOTIFY
2834	infy_fork (EV_A);	3273	infy_fork (EV_A);
2835	#endif	3274	#endif
2836		3275
2837	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3276	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2838	if (ev_is_active (&pipe_w))	3277	if (ev_is_active (&pipe_w) && postfork != 2)
2839	{	3278	{
2840	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3279	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2841		3280
2842	ev_ref (EV_A);	3281	ev_ref (EV_A);
2843	ev_io_stop (EV_A_ &pipe_w);	3282	ev_io_stop (EV_A_ &pipe_w);
…		…
2854	postfork = 0;	3293	postfork = 0;
2855	}	3294	}
2856		3295
2857	#if EV_MULTIPLICITY	3296	#if EV_MULTIPLICITY
2858		3297
		3298	ecb_cold
2859	struct ev_loop * ecb_cold	3299	struct ev_loop *
2860	ev_loop_new (unsigned int flags) EV_THROW	3300	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2861	{	3301	{
2862	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3302	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2863		3303
2864	memset (EV_A, 0, sizeof (struct ev_loop));	3304	memset (EV_A, 0, sizeof (struct ev_loop));
2865	loop_init (EV_A_ flags);	3305	loop_init (EV_A_ flags);
…		…
2872	}	3312	}
2873		3313
2874	#endif /* multiplicity */	3314	#endif /* multiplicity */
2875		3315
2876	#if EV_VERIFY	3316	#if EV_VERIFY
2877	static void noinline ecb_cold	3317	ecb_noinline ecb_cold
		3318	static void
2878	verify_watcher (EV_P_ W w)	3319	verify_watcher (EV_P_ W w)
2879	{	3320	{
2880	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3321	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2881		3322
2882	if (w->pending)	3323	if (w->pending)
2883	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3324	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2884	}	3325	}
2885		3326
2886	static void noinline ecb_cold	3327	ecb_noinline ecb_cold
		3328	static void
2887	verify_heap (EV_P_ ANHE *heap, int N)	3329	verify_heap (EV_P_ ANHE *heap, int N)
2888	{	3330	{
2889	int i;	3331	int i;
2890		3332
2891	for (i = HEAP0; i < N + HEAP0; ++i)	3333	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2896		3338
2897	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3339	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2898	}	3340	}
2899	}	3341	}
2900		3342
2901	static void noinline ecb_cold	3343	ecb_noinline ecb_cold
		3344	static void
2902	array_verify (EV_P_ W *ws, int cnt)	3345	array_verify (EV_P_ W *ws, int cnt)
2903	{	3346	{
2904	while (cnt--)	3347	while (cnt--)
2905	{	3348	{
2906	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3349	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2909	}	3352	}
2910	#endif	3353	#endif
2911		3354
2912	#if EV_FEATURE_API	3355	#if EV_FEATURE_API
2913	void ecb_cold	3356	void ecb_cold
2914	ev_verify (EV_P) EV_THROW	3357	ev_verify (EV_P) EV_NOEXCEPT
2915	{	3358	{
2916	#if EV_VERIFY	3359	#if EV_VERIFY
2917	int i;	3360	int i;
2918	WL w, w2;	3361	WL w, w2;
2919		3362
…		…
2995	#endif	3438	#endif
2996	}	3439	}
2997	#endif	3440	#endif
2998		3441
2999	#if EV_MULTIPLICITY	3442	#if EV_MULTIPLICITY
		3443	ecb_cold
3000	struct ev_loop * ecb_cold	3444	struct ev_loop *
3001	#else	3445	#else
3002	int	3446	int
3003	#endif	3447	#endif
3004	ev_default_loop (unsigned int flags) EV_THROW	3448	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3005	{	3449	{
3006	if (!ev_default_loop_ptr)	3450	if (!ev_default_loop_ptr)
3007	{	3451	{
3008	#if EV_MULTIPLICITY	3452	#if EV_MULTIPLICITY
3009	EV_P = ev_default_loop_ptr = &default_loop_struct;	3453	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3028		3472
3029	return ev_default_loop_ptr;	3473	return ev_default_loop_ptr;
3030	}	3474	}
3031		3475
3032	void	3476	void
3033	ev_loop_fork (EV_P) EV_THROW	3477	ev_loop_fork (EV_P) EV_NOEXCEPT
3034	{	3478	{
3035	postfork = 1;	3479	postfork = 1;
3036	}	3480	}
3037		3481
3038	/*****************************************************************************/	3482	/*****************************************************************************/
…		…
3042	{	3486	{
3043	EV_CB_INVOKE ((W)w, revents);	3487	EV_CB_INVOKE ((W)w, revents);
3044	}	3488	}
3045		3489
3046	unsigned int	3490	unsigned int
3047	ev_pending_count (EV_P) EV_THROW	3491	ev_pending_count (EV_P) EV_NOEXCEPT
3048	{	3492	{
3049	int pri;	3493	int pri;
3050	unsigned int count = 0;	3494	unsigned int count = 0;
3051		3495
3052	for (pri = NUMPRI; pri--; )	3496	for (pri = NUMPRI; pri--; )
3053	count += pendingcnt [pri];	3497	count += pendingcnt [pri];
3054		3498
3055	return count;	3499	return count;
3056	}	3500	}
3057		3501
3058	void noinline	3502	ecb_noinline
		3503	void
3059	ev_invoke_pending (EV_P)	3504	ev_invoke_pending (EV_P)
3060	{	3505	{
3061	pendingpri = NUMPRI;	3506	pendingpri = NUMPRI;
3062		3507
3063	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3508	do
3064	{	3509	{
3065	--pendingpri;	3510	--pendingpri;
3066		3511
		3512	/* pendingpri possibly gets modified in the inner loop */
3067	while (pendingcnt [pendingpri])	3513	while (pendingcnt [pendingpri])
3068	{	3514	{
3069	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3515	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3070		3516
3071	p->w->pending = 0;	3517	p->w->pending = 0;
3072	EV_CB_INVOKE (p->w, p->events);	3518	EV_CB_INVOKE (p->w, p->events);
3073	EV_FREQUENT_CHECK;	3519	EV_FREQUENT_CHECK;
3074	}	3520	}
3075	}	3521	}
		3522	while (pendingpri);
3076	}	3523	}
3077		3524
3078	#if EV_IDLE_ENABLE	3525	#if EV_IDLE_ENABLE
3079	/* make idle watchers pending. this handles the "call-idle */	3526	/* make idle watchers pending. this handles the "call-idle */
3080	/* only when higher priorities are idle" logic */	3527	/* only when higher priorities are idle" logic */
3081	inline_size void	3528	inline_size void
3082	idle_reify (EV_P)	3529	idle_reify (EV_P)
3083	{	3530	{
3084	if (expect_false (idleall))	3531	if (ecb_expect_false (idleall))
3085	{	3532	{
3086	int pri;	3533	int pri;
3087		3534
3088	for (pri = NUMPRI; pri--; )	3535	for (pri = NUMPRI; pri--; )
3089	{	3536	{
…		…
3119	{	3566	{
3120	ev_at (w) += w->repeat;	3567	ev_at (w) += w->repeat;
3121	if (ev_at (w) < mn_now)	3568	if (ev_at (w) < mn_now)
3122	ev_at (w) = mn_now;	3569	ev_at (w) = mn_now;
3123		3570
3124	assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));	3571	assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.)));
3125		3572
3126	ANHE_at_cache (timers [HEAP0]);	3573	ANHE_at_cache (timers [HEAP0]);
3127	downheap (timers, timercnt, HEAP0);	3574	downheap (timers, timercnt, HEAP0);
3128	}	3575	}
3129	else	3576	else
…		…
3138	}	3585	}
3139	}	3586	}
3140		3587
3141	#if EV_PERIODIC_ENABLE	3588	#if EV_PERIODIC_ENABLE
3142		3589
3143	static void noinline	3590	ecb_noinline
		3591	static void
3144	periodic_recalc (EV_P_ ev_periodic *w)	3592	periodic_recalc (EV_P_ ev_periodic *w)
3145	{	3593	{
3146	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3594	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3147	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3595	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3148		3596
…		…
3150	while (at <= ev_rt_now)	3598	while (at <= ev_rt_now)
3151	{	3599	{
3152	ev_tstamp nat = at + w->interval;	3600	ev_tstamp nat = at + w->interval;
3153		3601
3154	/* when resolution fails us, we use ev_rt_now */	3602	/* when resolution fails us, we use ev_rt_now */
3155	if (expect_false (nat == at))	3603	if (ecb_expect_false (nat == at))
3156	{	3604	{
3157	at = ev_rt_now;	3605	at = ev_rt_now;
3158	break;	3606	break;
3159	}	3607	}
3160		3608
…		…
3206	}	3654	}
3207	}	3655	}
3208		3656
3209	/* simply recalculate all periodics */	3657	/* simply recalculate all periodics */
3210	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3658	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3211	static void noinline ecb_cold	3659	ecb_noinline ecb_cold
		3660	static void
3212	periodics_reschedule (EV_P)	3661	periodics_reschedule (EV_P)
3213	{	3662	{
3214	int i;	3663	int i;
3215		3664
3216	/* adjust periodics after time jump */	3665	/* adjust periodics after time jump */
…		…
3229	reheap (periodics, periodiccnt);	3678	reheap (periodics, periodiccnt);
3230	}	3679	}
3231	#endif	3680	#endif
3232		3681
3233	/* adjust all timers by a given offset */	3682	/* adjust all timers by a given offset */
3234	static void noinline ecb_cold	3683	ecb_noinline ecb_cold
		3684	static void
3235	timers_reschedule (EV_P_ ev_tstamp adjust)	3685	timers_reschedule (EV_P_ ev_tstamp adjust)
3236	{	3686	{
3237	int i;	3687	int i;
3238		3688
3239	for (i = 0; i < timercnt; ++i)	3689	for (i = 0; i < timercnt; ++i)
…		…
3248	/* also detect if there was a timejump, and act accordingly */	3698	/* also detect if there was a timejump, and act accordingly */
3249	inline_speed void	3699	inline_speed void
3250	time_update (EV_P_ ev_tstamp max_block)	3700	time_update (EV_P_ ev_tstamp max_block)
3251	{	3701	{
3252	#if EV_USE_MONOTONIC	3702	#if EV_USE_MONOTONIC
3253	if (expect_true (have_monotonic))	3703	if (ecb_expect_true (have_monotonic))
3254	{	3704	{
3255	int i;	3705	int i;
3256	ev_tstamp odiff = rtmn_diff;	3706	ev_tstamp odiff = rtmn_diff;
3257		3707
3258	mn_now = get_clock ();	3708	mn_now = get_clock ();
3259		3709
3260	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3710	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3261	/* interpolate in the meantime */	3711	/* interpolate in the meantime */
3262	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3712	if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5)))
3263	{	3713	{
3264	ev_rt_now = rtmn_diff + mn_now;	3714	ev_rt_now = rtmn_diff + mn_now;
3265	return;	3715	return;
3266	}	3716	}
3267		3717
…		…
3281	ev_tstamp diff;	3731	ev_tstamp diff;
3282	rtmn_diff = ev_rt_now - mn_now;	3732	rtmn_diff = ev_rt_now - mn_now;
3283		3733
3284	diff = odiff - rtmn_diff;	3734	diff = odiff - rtmn_diff;
3285		3735
3286	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3736	if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP)))
3287	return; /* all is well */	3737	return; /* all is well */
3288		3738
3289	ev_rt_now = ev_time ();	3739	ev_rt_now = ev_time ();
3290	mn_now = get_clock ();	3740	mn_now = get_clock ();
3291	now_floor = mn_now;	3741	now_floor = mn_now;
…		…
3300	else	3750	else
3301	#endif	3751	#endif
3302	{	3752	{
3303	ev_rt_now = ev_time ();	3753	ev_rt_now = ev_time ();
3304		3754
3305	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3755	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP)))
3306	{	3756	{
3307	/* adjust timers. this is easy, as the offset is the same for all of them */	3757	/* adjust timers. this is easy, as the offset is the same for all of them */
3308	timers_reschedule (EV_A_ ev_rt_now - mn_now);	3758	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3309	#if EV_PERIODIC_ENABLE	3759	#if EV_PERIODIC_ENABLE
3310	periodics_reschedule (EV_A);	3760	periodics_reschedule (EV_A);
…		…
3333	#if EV_VERIFY >= 2	3783	#if EV_VERIFY >= 2
3334	ev_verify (EV_A);	3784	ev_verify (EV_A);
3335	#endif	3785	#endif
3336		3786
3337	#ifndef _WIN32	3787	#ifndef _WIN32
3338	if (expect_false (curpid)) /* penalise the forking check even more */	3788	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3339	if (expect_false (getpid () != curpid))	3789	if (ecb_expect_false (getpid () != curpid))
3340	{	3790	{
3341	curpid = getpid ();	3791	curpid = getpid ();
3342	postfork = 1;	3792	postfork = 1;
3343	}	3793	}
3344	#endif	3794	#endif
3345		3795
3346	#if EV_FORK_ENABLE	3796	#if EV_FORK_ENABLE
3347	/* we might have forked, so queue fork handlers */	3797	/* we might have forked, so queue fork handlers */
3348	if (expect_false (postfork))	3798	if (ecb_expect_false (postfork))
3349	if (forkcnt)	3799	if (forkcnt)
3350	{	3800	{
3351	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3801	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3352	EV_INVOKE_PENDING;	3802	EV_INVOKE_PENDING;
3353	}	3803	}
3354	#endif	3804	#endif
3355		3805
3356	#if EV_PREPARE_ENABLE	3806	#if EV_PREPARE_ENABLE
3357	/* queue prepare watchers (and execute them) */	3807	/* queue prepare watchers (and execute them) */
3358	if (expect_false (preparecnt))	3808	if (ecb_expect_false (preparecnt))
3359	{	3809	{
3360	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3810	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3361	EV_INVOKE_PENDING;	3811	EV_INVOKE_PENDING;
3362	}	3812	}
3363	#endif	3813	#endif
3364		3814
3365	if (expect_false (loop_done))	3815	if (ecb_expect_false (loop_done))
3366	break;	3816	break;
3367		3817
3368	/* we might have forked, so reify kernel state if necessary */	3818	/* we might have forked, so reify kernel state if necessary */
3369	if (expect_false (postfork))	3819	if (ecb_expect_false (postfork))
3370	loop_fork (EV_A);	3820	loop_fork (EV_A);
3371		3821
3372	/* update fd-related kernel structures */	3822	/* update fd-related kernel structures */
3373	fd_reify (EV_A);	3823	fd_reify (EV_A);
3374		3824
…		…
3379		3829
3380	/* remember old timestamp for io_blocktime calculation */	3830	/* remember old timestamp for io_blocktime calculation */
3381	ev_tstamp prev_mn_now = mn_now;	3831	ev_tstamp prev_mn_now = mn_now;
3382		3832
3383	/* update time to cancel out callback processing overhead */	3833	/* update time to cancel out callback processing overhead */
3384	time_update (EV_A_ 1e100);	3834	time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE));
3385		3835
3386	/* from now on, we want a pipe-wake-up */	3836	/* from now on, we want a pipe-wake-up */
3387	pipe_write_wanted = 1;	3837	pipe_write_wanted = 1;
3388		3838
3389	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3839	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3390		3840
3391	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3841	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3392	{	3842	{
3393	waittime = MAX_BLOCKTIME;	3843	waittime = EV_TS_CONST (MAX_BLOCKTIME);
3394		3844
3395	if (timercnt)	3845	if (timercnt)
3396	{	3846	{
3397	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;	3847	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
3398	if (waittime > to) waittime = to;	3848	if (waittime > to) waittime = to;
…		…
3405	if (waittime > to) waittime = to;	3855	if (waittime > to) waittime = to;
3406	}	3856	}
3407	#endif	3857	#endif
3408		3858
3409	/* don't let timeouts decrease the waittime below timeout_blocktime */	3859	/* don't let timeouts decrease the waittime below timeout_blocktime */
3410	if (expect_false (waittime < timeout_blocktime))	3860	if (ecb_expect_false (waittime < timeout_blocktime))
3411	waittime = timeout_blocktime;	3861	waittime = timeout_blocktime;
3412		3862
3413	/* at this point, we NEED to wait, so we have to ensure */	3863	/* at this point, we NEED to wait, so we have to ensure */
3414	/* to pass a minimum nonzero value to the backend */	3864	/* to pass a minimum nonzero value to the backend */
3415	if (expect_false (waittime < backend_mintime))	3865	if (ecb_expect_false (waittime < backend_mintime))
3416	waittime = backend_mintime;	3866	waittime = backend_mintime;
3417		3867
3418	/* extra check because io_blocktime is commonly 0 */	3868	/* extra check because io_blocktime is commonly 0 */
3419	if (expect_false (io_blocktime))	3869	if (ecb_expect_false (io_blocktime))
3420	{	3870	{
3421	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3871	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3422		3872
3423	if (sleeptime > waittime - backend_mintime)	3873	if (sleeptime > waittime - backend_mintime)
3424	sleeptime = waittime - backend_mintime;	3874	sleeptime = waittime - backend_mintime;
3425		3875
3426	if (expect_true (sleeptime > 0.))	3876	if (ecb_expect_true (sleeptime > EV_TS_CONST (0.)))
3427	{	3877	{
3428	ev_sleep (sleeptime);	3878	ev_sleep (sleeptime);
3429	waittime -= sleeptime;	3879	waittime -= sleeptime;
3430	}	3880	}
3431	}	3881	}
…		…
3445	{	3895	{
3446	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3896	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3447	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3897	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3448	}	3898	}
3449		3899
3450
3451	/* update ev_rt_now, do magic */	3900	/* update ev_rt_now, do magic */
3452	time_update (EV_A_ waittime + sleeptime);	3901	time_update (EV_A_ waittime + sleeptime);
3453	}	3902	}
3454		3903
3455	/* queue pending timers and reschedule them */	3904	/* queue pending timers and reschedule them */
…		…
3463	idle_reify (EV_A);	3912	idle_reify (EV_A);
3464	#endif	3913	#endif
3465		3914
3466	#if EV_CHECK_ENABLE	3915	#if EV_CHECK_ENABLE
3467	/* queue check watchers, to be executed first */	3916	/* queue check watchers, to be executed first */
3468	if (expect_false (checkcnt))	3917	if (ecb_expect_false (checkcnt))
3469	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3918	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3470	#endif	3919	#endif
3471		3920
3472	EV_INVOKE_PENDING;	3921	EV_INVOKE_PENDING;
3473	}	3922	}
3474	while (expect_true (	3923	while (ecb_expect_true (
3475	activecnt	3924	activecnt
3476	&& !loop_done	3925	&& !loop_done
3477	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3926	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3478	));	3927	));
3479		3928
…		…
3486		3935
3487	return activecnt;	3936	return activecnt;
3488	}	3937	}
3489		3938
3490	void	3939	void
3491	ev_break (EV_P_ int how) EV_THROW	3940	ev_break (EV_P_ int how) EV_NOEXCEPT
3492	{	3941	{
3493	loop_done = how;	3942	loop_done = how;
3494	}	3943	}
3495		3944
3496	void	3945	void
3497	ev_ref (EV_P) EV_THROW	3946	ev_ref (EV_P) EV_NOEXCEPT
3498	{	3947	{
3499	++activecnt;	3948	++activecnt;
3500	}	3949	}
3501		3950
3502	void	3951	void
3503	ev_unref (EV_P) EV_THROW	3952	ev_unref (EV_P) EV_NOEXCEPT
3504	{	3953	{
3505	--activecnt;	3954	--activecnt;
3506	}	3955	}
3507		3956
3508	void	3957	void
3509	ev_now_update (EV_P) EV_THROW	3958	ev_now_update (EV_P) EV_NOEXCEPT
3510	{	3959	{
3511	time_update (EV_A_ 1e100);	3960	time_update (EV_A_ EV_TSTAMP_HUGE);
3512	}	3961	}
3513		3962
3514	void	3963	void
3515	ev_suspend (EV_P) EV_THROW	3964	ev_suspend (EV_P) EV_NOEXCEPT
3516	{	3965	{
3517	ev_now_update (EV_A);	3966	ev_now_update (EV_A);
3518	}	3967	}
3519		3968
3520	void	3969	void
3521	ev_resume (EV_P) EV_THROW	3970	ev_resume (EV_P) EV_NOEXCEPT
3522	{	3971	{
3523	ev_tstamp mn_prev = mn_now;	3972	ev_tstamp mn_prev = mn_now;
3524		3973
3525	ev_now_update (EV_A);	3974	ev_now_update (EV_A);
3526	timers_reschedule (EV_A_ mn_now - mn_prev);	3975	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3543	inline_size void	3992	inline_size void
3544	wlist_del (WL *head, WL elem)	3993	wlist_del (WL *head, WL elem)
3545	{	3994	{
3546	while (*head)	3995	while (*head)
3547	{	3996	{
3548	if (expect_true (*head == elem))	3997	if (ecb_expect_true (*head == elem))
3549	{	3998	{
3550	*head = elem->next;	3999	*head = elem->next;
3551	break;	4000	break;
3552	}	4001	}
3553		4002
…		…
3565	w->pending = 0;	4014	w->pending = 0;
3566	}	4015	}
3567	}	4016	}
3568		4017
3569	int	4018	int
3570	ev_clear_pending (EV_P_ void *w) EV_THROW	4019	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3571	{	4020	{
3572	W w_ = (W)w;	4021	W w_ = (W)w;
3573	int pending = w_->pending;	4022	int pending = w_->pending;
3574		4023
3575	if (expect_true (pending))	4024	if (ecb_expect_true (pending))
3576	{	4025	{
3577	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	4026	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3578	p->w = (W)&pending_w;	4027	p->w = (W)&pending_w;
3579	w_->pending = 0;	4028	w_->pending = 0;
3580	return p->events;	4029	return p->events;
…		…
3607	w->active = 0;	4056	w->active = 0;
3608	}	4057	}
3609		4058
3610	/*****************************************************************************/	4059	/*****************************************************************************/
3611		4060
3612	void noinline	4061	ecb_noinline
		4062	void
3613	ev_io_start (EV_P_ ev_io *w) EV_THROW	4063	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3614	{	4064	{
3615	int fd = w->fd;	4065	int fd = w->fd;
3616		4066
3617	if (expect_false (ev_is_active (w)))	4067	if (ecb_expect_false (ev_is_active (w)))
3618	return;	4068	return;
3619		4069
3620	assert (("libev: ev_io_start called with negative fd", fd >= 0));	4070	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3621	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	4071	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3622		4072
		4073	#if EV_VERIFY >= 2
		4074	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		4075	#endif
3623	EV_FREQUENT_CHECK;	4076	EV_FREQUENT_CHECK;
3624		4077
3625	ev_start (EV_A_ (W)w, 1);	4078	ev_start (EV_A_ (W)w, 1);
3626	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	4079	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3627	wlist_add (&anfds[fd].head, (WL)w);	4080	wlist_add (&anfds[fd].head, (WL)w);
3628		4081
3629	/* common bug, apparently */	4082	/* common bug, apparently */
3630	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	4083	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3631		4084
…		…
3633	w->events &= ~EV__IOFDSET;	4086	w->events &= ~EV__IOFDSET;
3634		4087
3635	EV_FREQUENT_CHECK;	4088	EV_FREQUENT_CHECK;
3636	}	4089	}
3637		4090
3638	void noinline	4091	ecb_noinline
		4092	void
3639	ev_io_stop (EV_P_ ev_io *w) EV_THROW	4093	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3640	{	4094	{
3641	clear_pending (EV_A_ (W)w);	4095	clear_pending (EV_A_ (W)w);
3642	if (expect_false (!ev_is_active (w)))	4096	if (ecb_expect_false (!ev_is_active (w)))
3643	return;	4097	return;
3644		4098
3645	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	4099	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3646		4100
		4101	#if EV_VERIFY >= 2
		4102	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		4103	#endif
3647	EV_FREQUENT_CHECK;	4104	EV_FREQUENT_CHECK;
3648		4105
3649	wlist_del (&anfds[w->fd].head, (WL)w);	4106	wlist_del (&anfds[w->fd].head, (WL)w);
3650	ev_stop (EV_A_ (W)w);	4107	ev_stop (EV_A_ (W)w);
3651		4108
3652	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	4109	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3653		4110
3654	EV_FREQUENT_CHECK;	4111	EV_FREQUENT_CHECK;
3655	}	4112	}
3656		4113
3657	void noinline	4114	ecb_noinline
		4115	void
3658	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	4116	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3659	{	4117	{
3660	if (expect_false (ev_is_active (w)))	4118	if (ecb_expect_false (ev_is_active (w)))
3661	return;	4119	return;
3662		4120
3663	ev_at (w) += mn_now;	4121	ev_at (w) += mn_now;
3664		4122
3665	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	4123	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3666		4124
3667	EV_FREQUENT_CHECK;	4125	EV_FREQUENT_CHECK;
3668		4126
3669	++timercnt;	4127	++timercnt;
3670	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	4128	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3671	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	4129	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3672	ANHE_w (timers [ev_active (w)]) = (WT)w;	4130	ANHE_w (timers [ev_active (w)]) = (WT)w;
3673	ANHE_at_cache (timers [ev_active (w)]);	4131	ANHE_at_cache (timers [ev_active (w)]);
3674	upheap (timers, ev_active (w));	4132	upheap (timers, ev_active (w));
3675		4133
3676	EV_FREQUENT_CHECK;	4134	EV_FREQUENT_CHECK;
3677		4135
3678	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	4136	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3679	}	4137	}
3680		4138
3681	void noinline	4139	ecb_noinline
		4140	void
3682	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	4141	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3683	{	4142	{
3684	clear_pending (EV_A_ (W)w);	4143	clear_pending (EV_A_ (W)w);
3685	if (expect_false (!ev_is_active (w)))	4144	if (ecb_expect_false (!ev_is_active (w)))
3686	return;	4145	return;
3687		4146
3688	EV_FREQUENT_CHECK;	4147	EV_FREQUENT_CHECK;
3689		4148
3690	{	4149	{
…		…
3692		4151
3693	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4152	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3694		4153
3695	--timercnt;	4154	--timercnt;
3696		4155
3697	if (expect_true (active < timercnt + HEAP0))	4156	if (ecb_expect_true (active < timercnt + HEAP0))
3698	{	4157	{
3699	timers [active] = timers [timercnt + HEAP0];	4158	timers [active] = timers [timercnt + HEAP0];
3700	adjustheap (timers, timercnt, active);	4159	adjustheap (timers, timercnt, active);
3701	}	4160	}
3702	}	4161	}
…		…
3706	ev_stop (EV_A_ (W)w);	4165	ev_stop (EV_A_ (W)w);
3707		4166
3708	EV_FREQUENT_CHECK;	4167	EV_FREQUENT_CHECK;
3709	}	4168	}
3710		4169
3711	void noinline	4170	ecb_noinline
		4171	void
3712	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4172	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3713	{	4173	{
3714	EV_FREQUENT_CHECK;	4174	EV_FREQUENT_CHECK;
3715		4175
3716	clear_pending (EV_A_ (W)w);	4176	clear_pending (EV_A_ (W)w);
3717		4177
…		…
3734		4194
3735	EV_FREQUENT_CHECK;	4195	EV_FREQUENT_CHECK;
3736	}	4196	}
3737		4197
3738	ev_tstamp	4198	ev_tstamp
3739	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4199	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3740	{	4200	{
3741	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4201	return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.));
3742	}	4202	}
3743		4203
3744	#if EV_PERIODIC_ENABLE	4204	#if EV_PERIODIC_ENABLE
3745	void noinline	4205	ecb_noinline
		4206	void
3746	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4207	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3747	{	4208	{
3748	if (expect_false (ev_is_active (w)))	4209	if (ecb_expect_false (ev_is_active (w)))
3749	return;	4210	return;
3750		4211
3751	if (w->reschedule_cb)	4212	if (w->reschedule_cb)
3752	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4213	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3753	else if (w->interval)	4214	else if (w->interval)
…		…
3760		4221
3761	EV_FREQUENT_CHECK;	4222	EV_FREQUENT_CHECK;
3762		4223
3763	++periodiccnt;	4224	++periodiccnt;
3764	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4225	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3765	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4226	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3766	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4227	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3767	ANHE_at_cache (periodics [ev_active (w)]);	4228	ANHE_at_cache (periodics [ev_active (w)]);
3768	upheap (periodics, ev_active (w));	4229	upheap (periodics, ev_active (w));
3769		4230
3770	EV_FREQUENT_CHECK;	4231	EV_FREQUENT_CHECK;
3771		4232
3772	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4233	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3773	}	4234	}
3774		4235
3775	void noinline	4236	ecb_noinline
		4237	void
3776	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4238	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3777	{	4239	{
3778	clear_pending (EV_A_ (W)w);	4240	clear_pending (EV_A_ (W)w);
3779	if (expect_false (!ev_is_active (w)))	4241	if (ecb_expect_false (!ev_is_active (w)))
3780	return;	4242	return;
3781		4243
3782	EV_FREQUENT_CHECK;	4244	EV_FREQUENT_CHECK;
3783		4245
3784	{	4246	{
…		…
3786		4248
3787	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4249	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3788		4250
3789	--periodiccnt;	4251	--periodiccnt;
3790		4252
3791	if (expect_true (active < periodiccnt + HEAP0))	4253	if (ecb_expect_true (active < periodiccnt + HEAP0))
3792	{	4254	{
3793	periodics [active] = periodics [periodiccnt + HEAP0];	4255	periodics [active] = periodics [periodiccnt + HEAP0];
3794	adjustheap (periodics, periodiccnt, active);	4256	adjustheap (periodics, periodiccnt, active);
3795	}	4257	}
3796	}	4258	}
…		…
3798	ev_stop (EV_A_ (W)w);	4260	ev_stop (EV_A_ (W)w);
3799		4261
3800	EV_FREQUENT_CHECK;	4262	EV_FREQUENT_CHECK;
3801	}	4263	}
3802		4264
3803	void noinline	4265	ecb_noinline
		4266	void
3804	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4267	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3805	{	4268	{
3806	/* TODO: use adjustheap and recalculation */	4269	/* TODO: use adjustheap and recalculation */
3807	ev_periodic_stop (EV_A_ w);	4270	ev_periodic_stop (EV_A_ w);
3808	ev_periodic_start (EV_A_ w);	4271	ev_periodic_start (EV_A_ w);
3809	}	4272	}
…		…
3813	# define SA_RESTART 0	4276	# define SA_RESTART 0
3814	#endif	4277	#endif
3815		4278
3816	#if EV_SIGNAL_ENABLE	4279	#if EV_SIGNAL_ENABLE
3817		4280
3818	void noinline	4281	ecb_noinline
		4282	void
3819	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4283	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3820	{	4284	{
3821	if (expect_false (ev_is_active (w)))	4285	if (ecb_expect_false (ev_is_active (w)))
3822	return;	4286	return;
3823		4287
3824	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4288	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3825		4289
3826	#if EV_MULTIPLICITY	4290	#if EV_MULTIPLICITY
…		…
3895	}	4359	}
3896		4360
3897	EV_FREQUENT_CHECK;	4361	EV_FREQUENT_CHECK;
3898	}	4362	}
3899		4363
3900	void noinline	4364	ecb_noinline
		4365	void
3901	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4366	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3902	{	4367	{
3903	clear_pending (EV_A_ (W)w);	4368	clear_pending (EV_A_ (W)w);
3904	if (expect_false (!ev_is_active (w)))	4369	if (ecb_expect_false (!ev_is_active (w)))
3905	return;	4370	return;
3906		4371
3907	EV_FREQUENT_CHECK;	4372	EV_FREQUENT_CHECK;
3908		4373
3909	wlist_del (&signals [w->signum - 1].head, (WL)w);	4374	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
3937	#endif	4402	#endif
3938		4403
3939	#if EV_CHILD_ENABLE	4404	#if EV_CHILD_ENABLE
3940		4405
3941	void	4406	void
3942	ev_child_start (EV_P_ ev_child *w) EV_THROW	4407	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3943	{	4408	{
3944	#if EV_MULTIPLICITY	4409	#if EV_MULTIPLICITY
3945	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4410	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3946	#endif	4411	#endif
3947	if (expect_false (ev_is_active (w)))	4412	if (ecb_expect_false (ev_is_active (w)))
3948	return;	4413	return;
3949		4414
3950	EV_FREQUENT_CHECK;	4415	EV_FREQUENT_CHECK;
3951		4416
3952	ev_start (EV_A_ (W)w, 1);	4417	ev_start (EV_A_ (W)w, 1);
…		…
3954		4419
3955	EV_FREQUENT_CHECK;	4420	EV_FREQUENT_CHECK;
3956	}	4421	}
3957		4422
3958	void	4423	void
3959	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4424	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3960	{	4425	{
3961	clear_pending (EV_A_ (W)w);	4426	clear_pending (EV_A_ (W)w);
3962	if (expect_false (!ev_is_active (w)))	4427	if (ecb_expect_false (!ev_is_active (w)))
3963	return;	4428	return;
3964		4429
3965	EV_FREQUENT_CHECK;	4430	EV_FREQUENT_CHECK;
3966		4431
3967	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4432	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
3981		4446
3982	#define DEF_STAT_INTERVAL 5.0074891	4447	#define DEF_STAT_INTERVAL 5.0074891
3983	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4448	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3984	#define MIN_STAT_INTERVAL 0.1074891	4449	#define MIN_STAT_INTERVAL 0.1074891
3985		4450
3986	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4451	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3987		4452
3988	#if EV_USE_INOTIFY	4453	#if EV_USE_INOTIFY
3989		4454
3990	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4455	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3991	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4456	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3992		4457
3993	static void noinline	4458	ecb_noinline
		4459	static void
3994	infy_add (EV_P_ ev_stat *w)	4460	infy_add (EV_P_ ev_stat *w)
3995	{	4461	{
3996	w->wd = inotify_add_watch (fs_fd, w->path,	4462	w->wd = inotify_add_watch (fs_fd, w->path,
3997	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4463	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3998	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4464	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4062	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4528	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4063	ev_timer_again (EV_A_ &w->timer);	4529	ev_timer_again (EV_A_ &w->timer);
4064	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4530	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4065	}	4531	}
4066		4532
4067	static void noinline	4533	ecb_noinline
		4534	static void
4068	infy_del (EV_P_ ev_stat *w)	4535	infy_del (EV_P_ ev_stat *w)
4069	{	4536	{
4070	int slot;	4537	int slot;
4071	int wd = w->wd;	4538	int wd = w->wd;
4072		4539
…		…
4079		4546
4080	/* remove this watcher, if others are watching it, they will rearm */	4547	/* remove this watcher, if others are watching it, they will rearm */
4081	inotify_rm_watch (fs_fd, wd);	4548	inotify_rm_watch (fs_fd, wd);
4082	}	4549	}
4083		4550
4084	static void noinline	4551	ecb_noinline
		4552	static void
4085	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4553	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4086	{	4554	{
4087	if (slot < 0)	4555	if (slot < 0)
4088	/* overflow, need to check for all hash slots */	4556	/* overflow, need to check for all hash slots */
4089	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4557	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4125	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4593	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4126	ofs += sizeof (struct inotify_event) + ev->len;	4594	ofs += sizeof (struct inotify_event) + ev->len;
4127	}	4595	}
4128	}	4596	}
4129		4597
4130	inline_size void ecb_cold	4598	inline_size ecb_cold
		4599	void
4131	ev_check_2625 (EV_P)	4600	ev_check_2625 (EV_P)
4132	{	4601	{
4133	/* kernels < 2.6.25 are borked	4602	/* kernels < 2.6.25 are borked
4134	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4603	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4135	*/	4604	*/
…		…
4225	#else	4694	#else
4226	# define EV_LSTAT(p,b) lstat (p, b)	4695	# define EV_LSTAT(p,b) lstat (p, b)
4227	#endif	4696	#endif
4228		4697
4229	void	4698	void
4230	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4699	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4231	{	4700	{
4232	if (lstat (w->path, &w->attr) < 0)	4701	if (lstat (w->path, &w->attr) < 0)
4233	w->attr.st_nlink = 0;	4702	w->attr.st_nlink = 0;
4234	else if (!w->attr.st_nlink)	4703	else if (!w->attr.st_nlink)
4235	w->attr.st_nlink = 1;	4704	w->attr.st_nlink = 1;
4236	}	4705	}
4237		4706
4238	static void noinline	4707	ecb_noinline
		4708	static void
4239	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4709	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4240	{	4710	{
4241	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4711	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4242		4712
4243	ev_statdata prev = w->attr;	4713	ev_statdata prev = w->attr;
…		…
4274	ev_feed_event (EV_A_ w, EV_STAT);	4744	ev_feed_event (EV_A_ w, EV_STAT);
4275	}	4745	}
4276	}	4746	}
4277		4747
4278	void	4748	void
4279	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4749	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4280	{	4750	{
4281	if (expect_false (ev_is_active (w)))	4751	if (ecb_expect_false (ev_is_active (w)))
4282	return;	4752	return;
4283		4753
4284	ev_stat_stat (EV_A_ w);	4754	ev_stat_stat (EV_A_ w);
4285		4755
4286	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4756	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4305		4775
4306	EV_FREQUENT_CHECK;	4776	EV_FREQUENT_CHECK;
4307	}	4777	}
4308		4778
4309	void	4779	void
4310	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4780	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4311	{	4781	{
4312	clear_pending (EV_A_ (W)w);	4782	clear_pending (EV_A_ (W)w);
4313	if (expect_false (!ev_is_active (w)))	4783	if (ecb_expect_false (!ev_is_active (w)))
4314	return;	4784	return;
4315		4785
4316	EV_FREQUENT_CHECK;	4786	EV_FREQUENT_CHECK;
4317		4787
4318	#if EV_USE_INOTIFY	4788	#if EV_USE_INOTIFY
…		…
4331	}	4801	}
4332	#endif	4802	#endif
4333		4803
4334	#if EV_IDLE_ENABLE	4804	#if EV_IDLE_ENABLE
4335	void	4805	void
4336	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4806	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4337	{	4807	{
4338	if (expect_false (ev_is_active (w)))	4808	if (ecb_expect_false (ev_is_active (w)))
4339	return;	4809	return;
4340		4810
4341	pri_adjust (EV_A_ (W)w);	4811	pri_adjust (EV_A_ (W)w);
4342		4812
4343	EV_FREQUENT_CHECK;	4813	EV_FREQUENT_CHECK;
…		…
4346	int active = ++idlecnt [ABSPRI (w)];	4816	int active = ++idlecnt [ABSPRI (w)];
4347		4817
4348	++idleall;	4818	++idleall;
4349	ev_start (EV_A_ (W)w, active);	4819	ev_start (EV_A_ (W)w, active);
4350		4820
4351	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4821	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4352	idles [ABSPRI (w)][active - 1] = w;	4822	idles [ABSPRI (w)][active - 1] = w;
4353	}	4823	}
4354		4824
4355	EV_FREQUENT_CHECK;	4825	EV_FREQUENT_CHECK;
4356	}	4826	}
4357		4827
4358	void	4828	void
4359	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4829	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4360	{	4830	{
4361	clear_pending (EV_A_ (W)w);	4831	clear_pending (EV_A_ (W)w);
4362	if (expect_false (!ev_is_active (w)))	4832	if (ecb_expect_false (!ev_is_active (w)))
4363	return;	4833	return;
4364		4834
4365	EV_FREQUENT_CHECK;	4835	EV_FREQUENT_CHECK;
4366		4836
4367	{	4837	{
…		…
4378	}	4848	}
4379	#endif	4849	#endif
4380		4850
4381	#if EV_PREPARE_ENABLE	4851	#if EV_PREPARE_ENABLE
4382	void	4852	void
4383	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4853	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4384	{	4854	{
4385	if (expect_false (ev_is_active (w)))	4855	if (ecb_expect_false (ev_is_active (w)))
4386	return;	4856	return;
4387		4857
4388	EV_FREQUENT_CHECK;	4858	EV_FREQUENT_CHECK;
4389		4859
4390	ev_start (EV_A_ (W)w, ++preparecnt);	4860	ev_start (EV_A_ (W)w, ++preparecnt);
4391	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4861	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4392	prepares [preparecnt - 1] = w;	4862	prepares [preparecnt - 1] = w;
4393		4863
4394	EV_FREQUENT_CHECK;	4864	EV_FREQUENT_CHECK;
4395	}	4865	}
4396		4866
4397	void	4867	void
4398	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4868	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4399	{	4869	{
4400	clear_pending (EV_A_ (W)w);	4870	clear_pending (EV_A_ (W)w);
4401	if (expect_false (!ev_is_active (w)))	4871	if (ecb_expect_false (!ev_is_active (w)))
4402	return;	4872	return;
4403		4873
4404	EV_FREQUENT_CHECK;	4874	EV_FREQUENT_CHECK;
4405		4875
4406	{	4876	{
…		…
4416	}	4886	}
4417	#endif	4887	#endif
4418		4888
4419	#if EV_CHECK_ENABLE	4889	#if EV_CHECK_ENABLE
4420	void	4890	void
4421	ev_check_start (EV_P_ ev_check *w) EV_THROW	4891	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4422	{	4892	{
4423	if (expect_false (ev_is_active (w)))	4893	if (ecb_expect_false (ev_is_active (w)))
4424	return;	4894	return;
4425		4895
4426	EV_FREQUENT_CHECK;	4896	EV_FREQUENT_CHECK;
4427		4897
4428	ev_start (EV_A_ (W)w, ++checkcnt);	4898	ev_start (EV_A_ (W)w, ++checkcnt);
4429	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4899	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4430	checks [checkcnt - 1] = w;	4900	checks [checkcnt - 1] = w;
4431		4901
4432	EV_FREQUENT_CHECK;	4902	EV_FREQUENT_CHECK;
4433	}	4903	}
4434		4904
4435	void	4905	void
4436	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4906	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4437	{	4907	{
4438	clear_pending (EV_A_ (W)w);	4908	clear_pending (EV_A_ (W)w);
4439	if (expect_false (!ev_is_active (w)))	4909	if (ecb_expect_false (!ev_is_active (w)))
4440	return;	4910	return;
4441		4911
4442	EV_FREQUENT_CHECK;	4912	EV_FREQUENT_CHECK;
4443		4913
4444	{	4914	{
…		…
4453	EV_FREQUENT_CHECK;	4923	EV_FREQUENT_CHECK;
4454	}	4924	}
4455	#endif	4925	#endif
4456		4926
4457	#if EV_EMBED_ENABLE	4927	#if EV_EMBED_ENABLE
4458	void noinline	4928	ecb_noinline
		4929	void
4459	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4930	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4460	{	4931	{
4461	ev_run (w->other, EVRUN_NOWAIT);	4932	ev_run (w->other, EVRUN_NOWAIT);
4462	}	4933	}
4463		4934
4464	static void	4935	static void
…		…
4512	ev_idle_stop (EV_A_ idle);	4983	ev_idle_stop (EV_A_ idle);
4513	}	4984	}
4514	#endif	4985	#endif
4515		4986
4516	void	4987	void
4517	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4988	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4518	{	4989	{
4519	if (expect_false (ev_is_active (w)))	4990	if (ecb_expect_false (ev_is_active (w)))
4520	return;	4991	return;
4521		4992
4522	{	4993	{
4523	EV_P = w->other;	4994	EV_P = w->other;
4524	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	4995	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4543		5014
4544	EV_FREQUENT_CHECK;	5015	EV_FREQUENT_CHECK;
4545	}	5016	}
4546		5017
4547	void	5018	void
4548	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	5019	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4549	{	5020	{
4550	clear_pending (EV_A_ (W)w);	5021	clear_pending (EV_A_ (W)w);
4551	if (expect_false (!ev_is_active (w)))	5022	if (ecb_expect_false (!ev_is_active (w)))
4552	return;	5023	return;
4553		5024
4554	EV_FREQUENT_CHECK;	5025	EV_FREQUENT_CHECK;
4555		5026
4556	ev_io_stop (EV_A_ &w->io);	5027	ev_io_stop (EV_A_ &w->io);
…		…
4563	}	5034	}
4564	#endif	5035	#endif
4565		5036
4566	#if EV_FORK_ENABLE	5037	#if EV_FORK_ENABLE
4567	void	5038	void
4568	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	5039	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4569	{	5040	{
4570	if (expect_false (ev_is_active (w)))	5041	if (ecb_expect_false (ev_is_active (w)))
4571	return;	5042	return;
4572		5043
4573	EV_FREQUENT_CHECK;	5044	EV_FREQUENT_CHECK;
4574		5045
4575	ev_start (EV_A_ (W)w, ++forkcnt);	5046	ev_start (EV_A_ (W)w, ++forkcnt);
4576	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	5047	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4577	forks [forkcnt - 1] = w;	5048	forks [forkcnt - 1] = w;
4578		5049
4579	EV_FREQUENT_CHECK;	5050	EV_FREQUENT_CHECK;
4580	}	5051	}
4581		5052
4582	void	5053	void
4583	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	5054	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4584	{	5055	{
4585	clear_pending (EV_A_ (W)w);	5056	clear_pending (EV_A_ (W)w);
4586	if (expect_false (!ev_is_active (w)))	5057	if (ecb_expect_false (!ev_is_active (w)))
4587	return;	5058	return;
4588		5059
4589	EV_FREQUENT_CHECK;	5060	EV_FREQUENT_CHECK;
4590		5061
4591	{	5062	{
…		…
4601	}	5072	}
4602	#endif	5073	#endif
4603		5074
4604	#if EV_CLEANUP_ENABLE	5075	#if EV_CLEANUP_ENABLE
4605	void	5076	void
4606	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	5077	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4607	{	5078	{
4608	if (expect_false (ev_is_active (w)))	5079	if (ecb_expect_false (ev_is_active (w)))
4609	return;	5080	return;
4610		5081
4611	EV_FREQUENT_CHECK;	5082	EV_FREQUENT_CHECK;
4612		5083
4613	ev_start (EV_A_ (W)w, ++cleanupcnt);	5084	ev_start (EV_A_ (W)w, ++cleanupcnt);
4614	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	5085	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4615	cleanups [cleanupcnt - 1] = w;	5086	cleanups [cleanupcnt - 1] = w;
4616		5087
4617	/* cleanup watchers should never keep a refcount on the loop */	5088	/* cleanup watchers should never keep a refcount on the loop */
4618	ev_unref (EV_A);	5089	ev_unref (EV_A);
4619	EV_FREQUENT_CHECK;	5090	EV_FREQUENT_CHECK;
4620	}	5091	}
4621		5092
4622	void	5093	void
4623	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	5094	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4624	{	5095	{
4625	clear_pending (EV_A_ (W)w);	5096	clear_pending (EV_A_ (W)w);
4626	if (expect_false (!ev_is_active (w)))	5097	if (ecb_expect_false (!ev_is_active (w)))
4627	return;	5098	return;
4628		5099
4629	EV_FREQUENT_CHECK;	5100	EV_FREQUENT_CHECK;
4630	ev_ref (EV_A);	5101	ev_ref (EV_A);
4631		5102
…		…
4642	}	5113	}
4643	#endif	5114	#endif
4644		5115
4645	#if EV_ASYNC_ENABLE	5116	#if EV_ASYNC_ENABLE
4646	void	5117	void
4647	ev_async_start (EV_P_ ev_async *w) EV_THROW	5118	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4648	{	5119	{
4649	if (expect_false (ev_is_active (w)))	5120	if (ecb_expect_false (ev_is_active (w)))
4650	return;	5121	return;
4651		5122
4652	w->sent = 0;	5123	w->sent = 0;
4653		5124
4654	evpipe_init (EV_A);	5125	evpipe_init (EV_A);
4655		5126
4656	EV_FREQUENT_CHECK;	5127	EV_FREQUENT_CHECK;
4657		5128
4658	ev_start (EV_A_ (W)w, ++asynccnt);	5129	ev_start (EV_A_ (W)w, ++asynccnt);
4659	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	5130	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4660	asyncs [asynccnt - 1] = w;	5131	asyncs [asynccnt - 1] = w;
4661		5132
4662	EV_FREQUENT_CHECK;	5133	EV_FREQUENT_CHECK;
4663	}	5134	}
4664		5135
4665	void	5136	void
4666	ev_async_stop (EV_P_ ev_async *w) EV_THROW	5137	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4667	{	5138	{
4668	clear_pending (EV_A_ (W)w);	5139	clear_pending (EV_A_ (W)w);
4669	if (expect_false (!ev_is_active (w)))	5140	if (ecb_expect_false (!ev_is_active (w)))
4670	return;	5141	return;
4671		5142
4672	EV_FREQUENT_CHECK;	5143	EV_FREQUENT_CHECK;
4673		5144
4674	{	5145	{
…		…
4682		5153
4683	EV_FREQUENT_CHECK;	5154	EV_FREQUENT_CHECK;
4684	}	5155	}
4685		5156
4686	void	5157	void
4687	ev_async_send (EV_P_ ev_async *w) EV_THROW	5158	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4688	{	5159	{
4689	w->sent = 1;	5160	w->sent = 1;
4690	evpipe_write (EV_A_ &async_pending);	5161	evpipe_write (EV_A_ &async_pending);
4691	}	5162	}
4692	#endif	5163	#endif
…		…
4729		5200
4730	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5201	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4731	}	5202	}
4732		5203
4733	void	5204	void
4734	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5205	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4735	{	5206	{
4736	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5207	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4737
4738	if (expect_false (!once))
4739	{
4740	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4741	return;
4742	}
4743		5208
4744	once->cb = cb;	5209	once->cb = cb;
4745	once->arg = arg;	5210	once->arg = arg;
4746		5211
4747	ev_init (&once->io, once_cb_io);	5212	ev_init (&once->io, once_cb_io);
…		…
4760	}	5225	}
4761		5226
4762	/*****************************************************************************/	5227	/*****************************************************************************/
4763		5228
4764	#if EV_WALK_ENABLE	5229	#if EV_WALK_ENABLE
4765	void ecb_cold	5230	ecb_cold
		5231	void
4766	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5232	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4767	{	5233	{
4768	int i, j;	5234	int i, j;
4769	ev_watcher_list *wl, *wn;	5235	ev_watcher_list *wl, *wn;
4770		5236
4771	if (types & (EV_IO | EV_EMBED))	5237	if (types & (EV_IO | EV_EMBED))

Diff Legend

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