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Comparing libev/ev.c (file contents):
Revision 1.476 by root, Fri May 1 17:23:34 2015 UTC vs.
Revision 1.505 by root, Wed Jul 10 14:25:35 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	*
…		…
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
120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	129	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121	# ifndef EV_USE_KQUEUE	130	# ifndef EV_USE_KQUEUE
122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	131	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
123	# endif	132	# endif
124	# else	133	# else
…		…
162	# define EV_USE_EVENTFD 0	171	# define EV_USE_EVENTFD 0
163	# endif	172	# endif
164		173
165	#endif	174	#endif
166		175
		176	/* OS X, in its infinite idiocy, actually HARDCODES
		177	* a limit of 1024 into their select. Where people have brains,
		178	* OS X engineers apparently have a vacuum. Or maybe they were
		179	* ordered to have a vacuum, or they do anything for money.
		180	* This might help. Or not.
		181	* Note that this must be defined early, as other include files
		182	* will rely on this define as well.
		183	*/
		184	#define _DARWIN_UNLIMITED_SELECT 1
		185
167	#include <stdlib.h>	186	#include <stdlib.h>
168	#include <string.h>	187	#include <string.h>
169	#include <fcntl.h>	188	#include <fcntl.h>
170	#include <stddef.h>	189	#include <stddef.h>
171		190
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	227	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	228	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	229	# endif
211	# undef EV_AVOID_STDIO	230	# undef EV_AVOID_STDIO
212	#endif	231	#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		232
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	233	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		234
224	/* try to deduce the maximum number of signals on this platform */	235	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	236	#if defined EV_NSIG
…		…
313		324
314	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
315	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
316	#endif	327	#endif
317		328
		329	#ifndef EV_USE_LINUXAIO
		330	# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
		331	# define EV_USE_LINUXAIO 1
		332	# else
		333	# define EV_USE_LINUXAIO 0
		334	# endif
		335	#endif
		336
		337	#ifndef EV_USE_IOURING
		338	# if __linux
		339	# define EV_USE_IOURING 0
		340	# else
		341	# define EV_USE_IOURING 0
		342	# endif
		343	#endif
		344
318	#ifndef EV_USE_INOTIFY	345	#ifndef EV_USE_INOTIFY
319	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	346	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
320	# define EV_USE_INOTIFY EV_FEATURE_OS	347	# define EV_USE_INOTIFY EV_FEATURE_OS
321	# else	348	# else
322	# define EV_USE_INOTIFY 0	349	# define EV_USE_INOTIFY 0
…		…
363		390
364	#ifndef EV_HEAP_CACHE_AT	391	#ifndef EV_HEAP_CACHE_AT
365	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	392	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
366	#endif	393	#endif
367		394
368	#ifdef ANDROID	395	#ifdef __ANDROID__
369	/* supposedly, android doesn't typedef fd_mask */	396	/* supposedly, android doesn't typedef fd_mask */
370	# undef EV_USE_SELECT	397	# undef EV_USE_SELECT
371	# define EV_USE_SELECT 0	398	# define EV_USE_SELECT 0
372	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	399	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
373	# undef EV_USE_CLOCK_SYSCALL	400	# undef EV_USE_CLOCK_SYSCALL
…		…
387	# include <sys/syscall.h>	414	# include <sys/syscall.h>
388	# ifdef SYS_clock_gettime	415	# ifdef SYS_clock_gettime
389	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	416	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
390	# undef EV_USE_MONOTONIC	417	# undef EV_USE_MONOTONIC
391	# define EV_USE_MONOTONIC 1	418	# define EV_USE_MONOTONIC 1
		419	# define EV_NEED_SYSCALL 1
392	# else	420	# else
393	# undef EV_USE_CLOCK_SYSCALL	421	# undef EV_USE_CLOCK_SYSCALL
394	# define EV_USE_CLOCK_SYSCALL 0	422	# define EV_USE_CLOCK_SYSCALL 0
395	# endif	423	# endif
396	#endif	424	#endif
…		…
414		442
415	#if !EV_USE_NANOSLEEP	443	#if !EV_USE_NANOSLEEP
416	/* hp-ux has it in sys/time.h, which we unconditionally include above */	444	/* hp-ux has it in sys/time.h, which we unconditionally include above */
417	# if !defined _WIN32 && !defined __hpux	445	# if !defined _WIN32 && !defined __hpux
418	# include <sys/select.h>	446	# include <sys/select.h>
		447	# endif
		448	#endif
		449
		450	#if EV_USE_LINUXAIO
		451	# include <sys/syscall.h>
		452	# if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */
		453	# define EV_NEED_SYSCALL 1
		454	# else
		455	# undef EV_USE_LINUXAIO
		456	# define EV_USE_LINUXAIO 0
		457	# endif
		458	#endif
		459
		460	#if EV_USE_IOURING
		461	# include <sys/syscall.h>
		462	# if !SYS_io_uring_setup && __linux && !__alpha
		463	# define SYS_io_uring_setup 425
		464	# define SYS_io_uring_enter 426
		465	# define SYS_io_uring_wregister 427
		466	# endif
		467	# if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */
		468	# define EV_NEED_SYSCALL 1
		469	# else
		470	# undef EV_USE_IOURING
		471	# define EV_USE_IOURING 0
419	# endif	472	# endif
420	#endif	473	#endif
421		474
422	#if EV_USE_INOTIFY	475	#if EV_USE_INOTIFY
423	# include <sys/statfs.h>	476	# include <sys/statfs.h>
…		…
465	uint32_t ssi_signo;	518	uint32_t ssi_signo;
466	char pad[128 - sizeof (uint32_t)];	519	char pad[128 - sizeof (uint32_t)];
467	};	520	};
468	#endif	521	#endif
469		522
470	/**/	523	/*****************************************************************************/
471		524
472	#if EV_VERIFY >= 3	525	#if EV_VERIFY >= 3
473	# define EV_FREQUENT_CHECK ev_verify (EV_A)	526	# define EV_FREQUENT_CHECK ev_verify (EV_A)
474	#else	527	#else
475	# define EV_FREQUENT_CHECK do { } while (0)	528	# define EV_FREQUENT_CHECK do { } while (0)
…		…
480	* This value is good at least till the year 4000.	533	* This value is good at least till the year 4000.
481	*/	534	*/
482	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */	535	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
483	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */	536	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
484		537
485	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	538	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
486	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	539	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
		540
		541	/* find a portable timestamp that is "always" in the future but fits into time_t.
		542	* this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t,
		543	* and sizes larger than 32 bit, and maybe the unlikely floating point time_t */
		544	#define EV_TSTAMP_HUGE \
		545	(sizeof (time_t) >= 8 ? 10000000000000. \
		546	: 0 < (time_t)4294967295 ? 4294967295. \
		547	: 2147483647.) \
487		548
488	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	549	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
489	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)	550	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
		551	#define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e6)
		552	#define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e9)
490		553
491	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	554	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
492	/* ECB.H BEGIN */	555	/* ECB.H BEGIN */
493	/*	556	/*
494	* libecb - http://software.schmorp.de/pkg/libecb	557	* libecb - http://software.schmorp.de/pkg/libecb
…		…
532		595
533	#ifndef ECB_H	596	#ifndef ECB_H
534	#define ECB_H	597	#define ECB_H
535		598
536	/* 16 bits major, 16 bits minor */	599	/* 16 bits major, 16 bits minor */
537	#define ECB_VERSION 0x00010004	600	#define ECB_VERSION 0x00010006
538		601
539	#ifdef _WIN32	602	#ifdef _WIN32
540	typedef signed char int8_t;	603	typedef signed char int8_t;
541	typedef unsigned char uint8_t;	604	typedef unsigned char uint8_t;
542	typedef signed short int16_t;	605	typedef signed short int16_t;
…		…
559	typedef uint32_t uintptr_t;	622	typedef uint32_t uintptr_t;
560	typedef int32_t intptr_t;	623	typedef int32_t intptr_t;
561	#endif	624	#endif
562	#else	625	#else
563	#include <inttypes.h>	626	#include <inttypes.h>
564	#if UINTMAX_MAX > 0xffffffffU	627	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
565	#define ECB_PTRSIZE 8	628	#define ECB_PTRSIZE 8
566	#else	629	#else
567	#define ECB_PTRSIZE 4	630	#define ECB_PTRSIZE 4
568	#endif	631	#endif
569	#endif	632	#endif
…		…
607	#define ECB_CLANG_EXTENSION(x) 0	670	#define ECB_CLANG_EXTENSION(x) 0
608	#endif	671	#endif
609		672
610	#define ECB_CPP (__cplusplus+0)	673	#define ECB_CPP (__cplusplus+0)
611	#define ECB_CPP11 (__cplusplus >= 201103L)	674	#define ECB_CPP11 (__cplusplus >= 201103L)
		675	#define ECB_CPP14 (__cplusplus >= 201402L)
		676	#define ECB_CPP17 (__cplusplus >= 201703L)
612		677
613	#if ECB_CPP	678	#if ECB_CPP
614	#define ECB_C 0	679	#define ECB_C 0
615	#define ECB_STDC_VERSION 0	680	#define ECB_STDC_VERSION 0
616	#else	681	#else
…		…
618	#define ECB_STDC_VERSION __STDC_VERSION__	683	#define ECB_STDC_VERSION __STDC_VERSION__
619	#endif	684	#endif
620		685
621	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	686	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
622	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	687	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		688	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
623		689
624	#if ECB_CPP	690	#if ECB_CPP
625	#define ECB_EXTERN_C extern "C"	691	#define ECB_EXTERN_C extern "C"
626	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	692	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
627	#define ECB_EXTERN_C_END }	693	#define ECB_EXTERN_C_END }
…		…
647	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */	713	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
648	#if __xlC__ && ECB_CPP	714	#if __xlC__ && ECB_CPP
649	#include <builtins.h>	715	#include <builtins.h>
650	#endif	716	#endif
651		717
		718	#if 1400 <= _MSC_VER
		719	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
		720	#endif
		721
652	#ifndef ECB_MEMORY_FENCE	722	#ifndef ECB_MEMORY_FENCE
653	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	723	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		724	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
654	#if __i386 || __i386__	725	#if __i386 || __i386__
655	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	726	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
656	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	727	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
657	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	728	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
658	#elif ECB_GCC_AMD64	729	#elif ECB_GCC_AMD64
659	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	730	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
660	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	731	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
661	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	732	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
662	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	733	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
663	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	734	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		735	#elif defined __ARM_ARCH_2__ \
		736	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		737	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		738	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		739	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		740	|| defined __ARM_ARCH_5TEJ__
		741	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
664	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	742	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
665	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	743	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		744	|| defined __ARM_ARCH_6T2__
666	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	745	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
667	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	746	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
668	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	747	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
669	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	748	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
670	#elif __aarch64__	749	#elif __aarch64__
671	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	750	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
672	#elif (__sparc || __sparc__) && !__sparcv8	751	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
673	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	752	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
674	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	753	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
675	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	754	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
676	#elif defined __s390__ || defined __s390x__	755	#elif defined __s390__ || defined __s390x__
677	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	756	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
700	#if ECB_GCC_VERSION(4,7)	779	#if ECB_GCC_VERSION(4,7)
701	/* see comment below (stdatomic.h) about the C11 memory model. */	780	/* see comment below (stdatomic.h) about the C11 memory model. */
702	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	781	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
703	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	782	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
704	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	783	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		784	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
705		785
706	#elif ECB_CLANG_EXTENSION(c_atomic)	786	#elif ECB_CLANG_EXTENSION(c_atomic)
707	/* see comment below (stdatomic.h) about the C11 memory model. */	787	/* see comment below (stdatomic.h) about the C11 memory model. */
708	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	788	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
709	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	789	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
710	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	790	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		791	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
711		792
712	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	793	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
713	#define ECB_MEMORY_FENCE __sync_synchronize ()	794	#define ECB_MEMORY_FENCE __sync_synchronize ()
714	#elif _MSC_VER >= 1500 /* VC++ 2008 */	795	#elif _MSC_VER >= 1500 /* VC++ 2008 */
715	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	796	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
725	#elif defined _WIN32	806	#elif defined _WIN32
726	#include <WinNT.h>	807	#include <WinNT.h>
727	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	808	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
728	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	809	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
729	#include <mbarrier.h>	810	#include <mbarrier.h>
730	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	811	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
731	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	812	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
732	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	813	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		814	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
733	#elif __xlC__	815	#elif __xlC__
734	#define ECB_MEMORY_FENCE __sync ()	816	#define ECB_MEMORY_FENCE __sync ()
735	#endif	817	#endif
736	#endif	818	#endif
737		819
738	#ifndef ECB_MEMORY_FENCE	820	#ifndef ECB_MEMORY_FENCE
739	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	821	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
740	/* we assume that these memory fences work on all variables/all memory accesses, */	822	/* we assume that these memory fences work on all variables/all memory accesses, */
741	/* not just C11 atomics and atomic accesses */	823	/* not just C11 atomics and atomic accesses */
742	#include <stdatomic.h>	824	#include <stdatomic.h>
743	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
744	/* any fence other than seq_cst, which isn't very efficient for us. */
745	/* Why that is, we don't know - either the C11 memory model is quite useless */
746	/* for most usages, or gcc and clang have a bug */
747	/* I *currently* lean towards the latter, and inefficiently implement */
748	/* all three of ecb's fences as a seq_cst fence */
749	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
750	/* for all __atomic_thread_fence's except seq_cst */
751	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	825	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		826	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		827	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
752	#endif	828	#endif
753	#endif	829	#endif
754		830
755	#ifndef ECB_MEMORY_FENCE	831	#ifndef ECB_MEMORY_FENCE
756	#if !ECB_AVOID_PTHREADS	832	#if !ECB_AVOID_PTHREADS
…		…
774	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	850	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
775	#endif	851	#endif
776		852
777	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	853	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
778	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	854	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		855	#endif
		856
		857	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		858	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
779	#endif	859	#endif
780		860
781	/*****************************************************************************/	861	/*****************************************************************************/
782		862
783	#if ECB_CPP	863	#if ECB_CPP
…		…
915	#else	995	#else
916	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);	996	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
917	ecb_function_ ecb_const int	997	ecb_function_ ecb_const int
918	ecb_ctz32 (uint32_t x)	998	ecb_ctz32 (uint32_t x)
919	{	999	{
		1000	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1001	unsigned long r;
		1002	_BitScanForward (&r, x);
		1003	return (int)r;
		1004	#else
920	int r = 0;	1005	int r = 0;
921		1006
922	x &= ~x + 1; /* this isolates the lowest bit */	1007	x &= ~x + 1; /* this isolates the lowest bit */
923		1008
924	#if ECB_branchless_on_i386	1009	#if ECB_branchless_on_i386
…		…
934	if (x & 0xff00ff00) r += 8;	1019	if (x & 0xff00ff00) r += 8;
935	if (x & 0xffff0000) r += 16;	1020	if (x & 0xffff0000) r += 16;
936	#endif	1021	#endif
937		1022
938	return r;	1023	return r;
		1024	#endif
939	}	1025	}
940		1026
941	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);	1027	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
942	ecb_function_ ecb_const int	1028	ecb_function_ ecb_const int
943	ecb_ctz64 (uint64_t x)	1029	ecb_ctz64 (uint64_t x)
944	{	1030	{
		1031	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1032	unsigned long r;
		1033	_BitScanForward64 (&r, x);
		1034	return (int)r;
		1035	#else
945	int shift = x & 0xffffffffU ? 0 : 32;	1036	int shift = x & 0xffffffff ? 0 : 32;
946	return ecb_ctz32 (x >> shift) + shift;	1037	return ecb_ctz32 (x >> shift) + shift;
		1038	#endif
947	}	1039	}
948		1040
949	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);	1041	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
950	ecb_function_ ecb_const int	1042	ecb_function_ ecb_const int
951	ecb_popcount32 (uint32_t x)	1043	ecb_popcount32 (uint32_t x)
…		…
959	}	1051	}
960		1052
961	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);	1053	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
962	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)	1054	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
963	{	1055	{
		1056	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1057	unsigned long r;
		1058	_BitScanReverse (&r, x);
		1059	return (int)r;
		1060	#else
964	int r = 0;	1061	int r = 0;
965		1062
966	if (x >> 16) { x >>= 16; r += 16; }	1063	if (x >> 16) { x >>= 16; r += 16; }
967	if (x >> 8) { x >>= 8; r += 8; }	1064	if (x >> 8) { x >>= 8; r += 8; }
968	if (x >> 4) { x >>= 4; r += 4; }	1065	if (x >> 4) { x >>= 4; r += 4; }
969	if (x >> 2) { x >>= 2; r += 2; }	1066	if (x >> 2) { x >>= 2; r += 2; }
970	if (x >> 1) { r += 1; }	1067	if (x >> 1) { r += 1; }
971		1068
972	return r;	1069	return r;
		1070	#endif
973	}	1071	}
974		1072
975	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);	1073	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
976	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)	1074	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
977	{	1075	{
		1076	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1077	unsigned long r;
		1078	_BitScanReverse64 (&r, x);
		1079	return (int)r;
		1080	#else
978	int r = 0;	1081	int r = 0;
979		1082
980	if (x >> 32) { x >>= 32; r += 32; }	1083	if (x >> 32) { x >>= 32; r += 32; }
981		1084
982	return r + ecb_ld32 (x);	1085	return r + ecb_ld32 (x);
		1086	#endif
983	}	1087	}
984	#endif	1088	#endif
985		1089
986	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);	1090	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
987	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1091	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
…		…
1090	#endif	1194	#endif
1091		1195
1092	/* try to tell the compiler that some condition is definitely true */	1196	/* try to tell the compiler that some condition is definitely true */
1093	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1197	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1094		1198
1095	ecb_inline ecb_const unsigned char ecb_byteorder_helper (void);	1199	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1096	ecb_inline ecb_const unsigned char	1200	ecb_inline ecb_const uint32_t
1097	ecb_byteorder_helper (void)	1201	ecb_byteorder_helper (void)
1098	{	1202	{
1099	/* the union code still generates code under pressure in gcc, */	1203	/* the union code still generates code under pressure in gcc, */
1100	/* but less than using pointers, and always seems to */	1204	/* but less than using pointers, and always seems to */
1101	/* successfully return a constant. */	1205	/* successfully return a constant. */
1102	/* the reason why we have this horrible preprocessor mess */	1206	/* the reason why we have this horrible preprocessor mess */
1103	/* is to avoid it in all cases, at least on common architectures */	1207	/* is to avoid it in all cases, at least on common architectures */
1104	/* or when using a recent enough gcc version (>= 4.6) */	1208	/* or when using a recent enough gcc version (>= 4.6) */
1105	#if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64
1106	return 0x44;
1107	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1209	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1210	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1211	#define ECB_LITTLE_ENDIAN 1
1108	return 0x44;	1212	return 0x44332211;
1109	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1213	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1214	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1215	#define ECB_BIG_ENDIAN 1
1110	return 0x11;	1216	return 0x11223344;
1111	#else	1217	#else
1112	union	1218	union
1113	{	1219	{
		1220	uint8_t c[4];
1114	uint32_t i;	1221	uint32_t u;
1115	uint8_t c;
1116	} u = { 0x11223344 };	1222	} u = { 0x11, 0x22, 0x33, 0x44 };
1117	return u.c;	1223	return u.u;
1118	#endif	1224	#endif
1119	}	1225	}
1120		1226
1121	ecb_inline ecb_const ecb_bool ecb_big_endian (void);	1227	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1122	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1228	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1123	ecb_inline ecb_const ecb_bool ecb_little_endian (void);	1229	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1124	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1230	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1125		1231
1126	#if ECB_GCC_VERSION(3,0) || ECB_C99	1232	#if ECB_GCC_VERSION(3,0) || ECB_C99
1127	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1233	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1128	#else	1234	#else
1129	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1235	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
…		…
1153	return N;	1259	return N;
1154	}	1260	}
1155	#else	1261	#else
1156	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1262	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1157	#endif	1263	#endif
		1264
		1265	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1266	ecb_function_ ecb_const uint32_t
		1267	ecb_binary16_to_binary32 (uint32_t x)
		1268	{
		1269	unsigned int s = (x & 0x8000) << (31 - 15);
		1270	int e = (x >> 10) & 0x001f;
		1271	unsigned int m = x & 0x03ff;
		1272
		1273	if (ecb_expect_false (e == 31))
		1274	/* infinity or NaN */
		1275	e = 255 - (127 - 15);
		1276	else if (ecb_expect_false (!e))
		1277	{
		1278	if (ecb_expect_true (!m))
		1279	/* zero, handled by code below by forcing e to 0 */
		1280	e = 0 - (127 - 15);
		1281	else
		1282	{
		1283	/* subnormal, renormalise */
		1284	unsigned int s = 10 - ecb_ld32 (m);
		1285
		1286	m = (m << s) & 0x3ff; /* mask implicit bit */
		1287	e -= s - 1;
		1288	}
		1289	}
		1290
		1291	/* e and m now are normalised, or zero, (or inf or nan) */
		1292	e += 127 - 15;
		1293
		1294	return s | (e << 23) | (m << (23 - 10));
		1295	}
		1296
		1297	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1298	ecb_function_ ecb_const uint16_t
		1299	ecb_binary32_to_binary16 (uint32_t x)
		1300	{
		1301	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1302	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1303	unsigned int m = x & 0x007fffff;
		1304
		1305	x &= 0x7fffffff;
		1306
		1307	/* if it's within range of binary16 normals, use fast path */
		1308	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1309	{
		1310	/* mantissa round-to-even */
		1311	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1312
		1313	/* handle overflow */
		1314	if (ecb_expect_false (m >= 0x00800000))
		1315	{
		1316	m >>= 1;
		1317	e += 1;
		1318	}
		1319
		1320	return s | (e << 10) | (m >> (23 - 10));
		1321	}
		1322
		1323	/* handle large numbers and infinity */
		1324	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1325	return s | 0x7c00;
		1326
		1327	/* handle zero, subnormals and small numbers */
		1328	if (ecb_expect_true (x < 0x38800000))
		1329	{
		1330	/* zero */
		1331	if (ecb_expect_true (!x))
		1332	return s;
		1333
		1334	/* handle subnormals */
		1335
		1336	/* too small, will be zero */
		1337	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1338	return s;
		1339
		1340	m |= 0x00800000; /* make implicit bit explicit */
		1341
		1342	/* very tricky - we need to round to the nearest e (+10) bit value */
		1343	{
		1344	unsigned int bits = 14 - e;
		1345	unsigned int half = (1 << (bits - 1)) - 1;
		1346	unsigned int even = (m >> bits) & 1;
		1347
		1348	/* if this overflows, we will end up with a normalised number */
		1349	m = (m + half + even) >> bits;
		1350	}
		1351
		1352	return s | m;
		1353	}
		1354
		1355	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1356	m >>= 13;
		1357
		1358	return s | 0x7c00 | m | !m;
		1359	}
1158		1360
1159	/*******************************************************************************/	1361	/*******************************************************************************/
1160	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1362	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1161		1363
1162	/* basically, everything uses "ieee pure-endian" floating point numbers */	1364	/* basically, everything uses "ieee pure-endian" floating point numbers */
…		…
1205	#else	1407	#else
1206	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))	1408	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1207	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))	1409	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1208	#endif	1410	#endif
1209		1411
1210	/* converts an ieee half/binary16 to a float */
1211	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
1212	ecb_function_ ecb_const float
1213	ecb_binary16_to_float (uint16_t x)
1214	{
1215	int e = (x >> 10) & 0x1f;
1216	int m = x & 0x3ff;
1217	float r;
1218
1219	if (!e ) r = ecb_ldexpf (m , -24);
1220	else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
1221	else if (m ) r = ECB_NAN;
1222	else r = ECB_INFINITY;
1223
1224	return x & 0x8000 ? -r : r;
1225	}
1226
1227	/* convert a float to ieee single/binary32 */	1412	/* convert a float to ieee single/binary32 */
1228	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);	1413	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1229	ecb_function_ ecb_const uint32_t	1414	ecb_function_ ecb_const uint32_t
1230	ecb_float_to_binary32 (float x)	1415	ecb_float_to_binary32 (float x)
1231	{	1416	{
…		…
1362	#endif	1547	#endif
1363		1548
1364	return r;	1549	return r;
1365	}	1550	}
1366		1551
		1552	/* convert a float to ieee half/binary16 */
		1553	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1554	ecb_function_ ecb_const uint16_t
		1555	ecb_float_to_binary16 (float x)
		1556	{
		1557	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1558	}
		1559
		1560	/* convert an ieee half/binary16 to float */
		1561	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1562	ecb_function_ ecb_const float
		1563	ecb_binary16_to_float (uint16_t x)
		1564	{
		1565	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1566	}
		1567
1367	#endif	1568	#endif
1368		1569
1369	#endif	1570	#endif
1370		1571
1371	/* ECB.H END */	1572	/* ECB.H END */
1372		1573
1373	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1574	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1374	/* if your architecture doesn't need memory fences, e.g. because it is	1575	/* if your architecture doesn't need memory fences, e.g. because it is
1375	* single-cpu/core, or if you use libev in a project that doesn't use libev	1576	* single-cpu/core, or if you use libev in a project that doesn't use libev
1376	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1577	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1377	* libev, in which cases the memory fences become nops.	1578	* libev, in which cases the memory fences become nops.
1378	* alternatively, you can remove this #error and link against libpthread,	1579	* alternatively, you can remove this #error and link against libpthread,
1379	* which will then provide the memory fences.	1580	* which will then provide the memory fences.
1380	*/	1581	*/
1381	# error "memory fences not defined for your architecture, please report"	1582	# error "memory fences not defined for your architecture, please report"
…		…
1385	# define ECB_MEMORY_FENCE do { } while (0)	1586	# define ECB_MEMORY_FENCE do { } while (0)
1386	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1587	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1387	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1588	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1388	#endif	1589	#endif
1389		1590
1390	#define expect_false(cond) ecb_expect_false (cond)
1391	#define expect_true(cond) ecb_expect_true (cond)
1392	#define noinline ecb_noinline
1393
1394	#define inline_size ecb_inline	1591	#define inline_size ecb_inline
1395		1592
1396	#if EV_FEATURE_CODE	1593	#if EV_FEATURE_CODE
1397	# define inline_speed ecb_inline	1594	# define inline_speed ecb_inline
1398	#else	1595	#else
1399	# define inline_speed static noinline	1596	# define inline_speed ecb_noinline static
1400	#endif	1597	#endif
		1598
		1599	/*****************************************************************************/
		1600	/* raw syscall wrappers */
		1601
		1602	#if EV_NEED_SYSCALL
		1603
		1604	#include <sys/syscall.h>
		1605
		1606	/*
		1607	* define some syscall wrappers for common architectures
		1608	* this is mostly for nice looks during debugging, not performance.
		1609	* our syscalls return < 0, not == -1, on error. which is good
		1610	* enough for linux aio.
		1611	* TODO: arm is also common nowadays, maybe even mips and x86
		1612	* TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
		1613	*/
		1614	#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
		1615	/* the costly errno access probably kills this for size optimisation */
		1616
		1617	#define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
		1618	({ \
		1619	long res; \
		1620	register unsigned long r6 __asm__ ("r9" ); \
		1621	register unsigned long r5 __asm__ ("r8" ); \
		1622	register unsigned long r4 __asm__ ("r10"); \
		1623	register unsigned long r3 __asm__ ("rdx"); \
		1624	register unsigned long r2 __asm__ ("rsi"); \
		1625	register unsigned long r1 __asm__ ("rdi"); \
		1626	if (narg >= 6) r6 = (unsigned long)(arg6); \
		1627	if (narg >= 5) r5 = (unsigned long)(arg5); \
		1628	if (narg >= 4) r4 = (unsigned long)(arg4); \
		1629	if (narg >= 3) r3 = (unsigned long)(arg3); \
		1630	if (narg >= 2) r2 = (unsigned long)(arg2); \
		1631	if (narg >= 1) r1 = (unsigned long)(arg1); \
		1632	__asm__ __volatile__ ( \
		1633	"syscall\n\t" \
		1634	: "=a" (res) \
		1635	: "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
		1636	: "cc", "r11", "cx", "memory"); \
		1637	errno = -res; \
		1638	res; \
		1639	})
		1640
		1641	#endif
		1642
		1643	#ifdef ev_syscall
		1644	#define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
		1645	#define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
		1646	#define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
		1647	#define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
		1648	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
		1649	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
		1650	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
		1651	#else
		1652	#define ev_syscall0(nr) syscall (nr)
		1653	#define ev_syscall1(nr,arg1) syscall (nr, arg1)
		1654	#define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
		1655	#define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
		1656	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
		1657	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
		1658	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
		1659	#endif
		1660
		1661	#endif
		1662
		1663	/*****************************************************************************/
1401		1664
1402	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1665	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1403		1666
1404	#if EV_MINPRI == EV_MAXPRI	1667	#if EV_MINPRI == EV_MAXPRI
1405	# define ABSPRI(w) (((W)w), 0)	1668	# define ABSPRI(w) (((W)w), 0)
1406	#else	1669	#else
1407	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1670	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1408	#endif	1671	#endif
1409		1672
1410	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1673	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1411	#define EMPTY2(a,b) /* used to suppress some warnings */
1412		1674
1413	typedef ev_watcher *W;	1675	typedef ev_watcher *W;
1414	typedef ev_watcher_list *WL;	1676	typedef ev_watcher_list *WL;
1415	typedef ev_watcher_time *WT;	1677	typedef ev_watcher_time *WT;
1416		1678
…		…
1441	# include "ev_win32.c"	1703	# include "ev_win32.c"
1442	#endif	1704	#endif
1443		1705
1444	/*****************************************************************************/	1706	/*****************************************************************************/
1445		1707
		1708	#if EV_USE_LINUXAIO
		1709	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1710	#endif
		1711
1446	/* define a suitable floor function (only used by periodics atm) */	1712	/* define a suitable floor function (only used by periodics atm) */
1447		1713
1448	#if EV_USE_FLOOR	1714	#if EV_USE_FLOOR
1449	# include <math.h>	1715	# include <math.h>
1450	# define ev_floor(v) floor (v)	1716	# define ev_floor(v) floor (v)
1451	#else	1717	#else
1452		1718
1453	#include <float.h>	1719	#include <float.h>
1454		1720
1455	/* a floor() replacement function, should be independent of ev_tstamp type */	1721	/* a floor() replacement function, should be independent of ev_tstamp type */
		1722	ecb_noinline
1456	static ev_tstamp noinline	1723	static ev_tstamp
1457	ev_floor (ev_tstamp v)	1724	ev_floor (ev_tstamp v)
1458	{	1725	{
1459	/* the choice of shift factor is not terribly important */	1726	/* the choice of shift factor is not terribly important */
1460	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1727	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1461	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1728	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1462	#else	1729	#else
1463	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1730	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1464	#endif	1731	#endif
1465		1732
		1733	/* special treatment for negative arguments */
		1734	if (ecb_expect_false (v < 0.))
		1735	{
		1736	ev_tstamp f = -ev_floor (-v);
		1737
		1738	return f - (f == v ? 0 : 1);
		1739	}
		1740
1466	/* argument too large for an unsigned long? */	1741	/* argument too large for an unsigned long? then reduce it */
1467	if (expect_false (v >= shift))	1742	if (ecb_expect_false (v >= shift))
1468	{	1743	{
1469	ev_tstamp f;	1744	ev_tstamp f;
1470		1745
1471	if (v == v - 1.)	1746	if (v == v - 1.)
1472	return v; /* very large number */	1747	return v; /* very large numbers are assumed to be integer */
1473		1748
1474	f = shift * ev_floor (v * (1. / shift));	1749	f = shift * ev_floor (v * (1. / shift));
1475	return f + ev_floor (v - f);	1750	return f + ev_floor (v - f);
1476	}	1751	}
1477		1752
1478	/* special treatment for negative args? */
1479	if (expect_false (v < 0.))
1480	{
1481	ev_tstamp f = -ev_floor (-v);
1482
1483	return f - (f == v ? 0 : 1);
1484	}
1485
1486	/* fits into an unsigned long */	1753	/* fits into an unsigned long */
1487	return (unsigned long)v;	1754	return (unsigned long)v;
1488	}	1755	}
1489		1756
1490	#endif	1757	#endif
…		…
1493		1760
1494	#ifdef __linux	1761	#ifdef __linux
1495	# include <sys/utsname.h>	1762	# include <sys/utsname.h>
1496	#endif	1763	#endif
1497		1764
1498	static unsigned int noinline ecb_cold	1765	ecb_noinline ecb_cold
		1766	static unsigned int
1499	ev_linux_version (void)	1767	ev_linux_version (void)
1500	{	1768	{
1501	#ifdef __linux	1769	#ifdef __linux
1502	unsigned int v = 0;	1770	unsigned int v = 0;
1503	struct utsname buf;	1771	struct utsname buf;
…		…
1532	}	1800	}
1533		1801
1534	/*****************************************************************************/	1802	/*****************************************************************************/
1535		1803
1536	#if EV_AVOID_STDIO	1804	#if EV_AVOID_STDIO
1537	static void noinline ecb_cold	1805	ecb_noinline ecb_cold
		1806	static void
1538	ev_printerr (const char *msg)	1807	ev_printerr (const char *msg)
1539	{	1808	{
1540	write (STDERR_FILENO, msg, strlen (msg));	1809	write (STDERR_FILENO, msg, strlen (msg));
1541	}	1810	}
1542	#endif	1811	#endif
1543		1812
1544	static void (*syserr_cb)(const char *msg) EV_THROW;	1813	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1545		1814
1546	void ecb_cold	1815	ecb_cold
		1816	void
1547	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1817	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1548	{	1818	{
1549	syserr_cb = cb;	1819	syserr_cb = cb;
1550	}	1820	}
1551		1821
1552	static void noinline ecb_cold	1822	ecb_noinline ecb_cold
		1823	static void
1553	ev_syserr (const char *msg)	1824	ev_syserr (const char *msg)
1554	{	1825	{
1555	if (!msg)	1826	if (!msg)
1556	msg = "(libev) system error";	1827	msg = "(libev) system error";
1557		1828
…		…
1570	abort ();	1841	abort ();
1571	}	1842	}
1572	}	1843	}
1573		1844
1574	static void *	1845	static void *
1575	ev_realloc_emul (void *ptr, long size) EV_THROW	1846	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1576	{	1847	{
1577	/* some systems, notably openbsd and darwin, fail to properly	1848	/* some systems, notably openbsd and darwin, fail to properly
1578	* implement realloc (x, 0) (as required by both ansi c-89 and	1849	* implement realloc (x, 0) (as required by both ansi c-89 and
1579	* the single unix specification, so work around them here.	1850	* the single unix specification, so work around them here.
1580	* recently, also (at least) fedora and debian started breaking it,	1851	* recently, also (at least) fedora and debian started breaking it,
…		…
1586		1857
1587	free (ptr);	1858	free (ptr);
1588	return 0;	1859	return 0;
1589	}	1860	}
1590		1861
1591	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1862	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1592		1863
1593	void ecb_cold	1864	ecb_cold
		1865	void
1594	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1866	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1595	{	1867	{
1596	alloc = cb;	1868	alloc = cb;
1597	}	1869	}
1598		1870
1599	inline_speed void *	1871	inline_speed void *
…		…
1626	typedef struct	1898	typedef struct
1627	{	1899	{
1628	WL head;	1900	WL head;
1629	unsigned char events; /* the events watched for */	1901	unsigned char events; /* the events watched for */
1630	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1902	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1631	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1903	unsigned char emask; /* some backends store the actual kernel mask in here */
1632	unsigned char unused;	1904	unsigned char eflags; /* flags field for use by backends */
1633	#if EV_USE_EPOLL	1905	#if EV_USE_EPOLL
1634	unsigned int egen; /* generation counter to counter epoll bugs */	1906	unsigned int egen; /* generation counter to counter epoll bugs */
1635	#endif	1907	#endif
1636	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1908	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1637	SOCKET handle;	1909	SOCKET handle;
…		…
1701	static int ev_default_loop_ptr;	1973	static int ev_default_loop_ptr;
1702		1974
1703	#endif	1975	#endif
1704		1976
1705	#if EV_FEATURE_API	1977	#if EV_FEATURE_API
1706	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	1978	# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1707	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	1979	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1708	# define EV_INVOKE_PENDING invoke_cb (EV_A)	1980	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1709	#else	1981	#else
1710	# define EV_RELEASE_CB (void)0	1982	# define EV_RELEASE_CB (void)0
1711	# define EV_ACQUIRE_CB (void)0	1983	# define EV_ACQUIRE_CB (void)0
1712	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	1984	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1716		1988
1717	/*****************************************************************************/	1989	/*****************************************************************************/
1718		1990
1719	#ifndef EV_HAVE_EV_TIME	1991	#ifndef EV_HAVE_EV_TIME
1720	ev_tstamp	1992	ev_tstamp
1721	ev_time (void) EV_THROW	1993	ev_time (void) EV_NOEXCEPT
1722	{	1994	{
1723	#if EV_USE_REALTIME	1995	#if EV_USE_REALTIME
1724	if (expect_true (have_realtime))	1996	if (ecb_expect_true (have_realtime))
1725	{	1997	{
1726	struct timespec ts;	1998	struct timespec ts;
1727	clock_gettime (CLOCK_REALTIME, &ts);	1999	clock_gettime (CLOCK_REALTIME, &ts);
1728	return ts.tv_sec + ts.tv_nsec * 1e-9;	2000	return EV_TS_GET (ts);
1729	}	2001	}
1730	#endif	2002	#endif
1731		2003
1732	struct timeval tv;	2004	struct timeval tv;
1733	gettimeofday (&tv, 0);	2005	gettimeofday (&tv, 0);
1734	return tv.tv_sec + tv.tv_usec * 1e-6;	2006	return EV_TV_GET (tv);
1735	}	2007	}
1736	#endif	2008	#endif
1737		2009
1738	inline_size ev_tstamp	2010	inline_size ev_tstamp
1739	get_clock (void)	2011	get_clock (void)
1740	{	2012	{
1741	#if EV_USE_MONOTONIC	2013	#if EV_USE_MONOTONIC
1742	if (expect_true (have_monotonic))	2014	if (ecb_expect_true (have_monotonic))
1743	{	2015	{
1744	struct timespec ts;	2016	struct timespec ts;
1745	clock_gettime (CLOCK_MONOTONIC, &ts);	2017	clock_gettime (CLOCK_MONOTONIC, &ts);
1746	return ts.tv_sec + ts.tv_nsec * 1e-9;	2018	return EV_TS_GET (ts);
1747	}	2019	}
1748	#endif	2020	#endif
1749		2021
1750	return ev_time ();	2022	return ev_time ();
1751	}	2023	}
1752		2024
1753	#if EV_MULTIPLICITY	2025	#if EV_MULTIPLICITY
1754	ev_tstamp	2026	ev_tstamp
1755	ev_now (EV_P) EV_THROW	2027	ev_now (EV_P) EV_NOEXCEPT
1756	{	2028	{
1757	return ev_rt_now;	2029	return ev_rt_now;
1758	}	2030	}
1759	#endif	2031	#endif
1760		2032
1761	void	2033	void
1762	ev_sleep (ev_tstamp delay) EV_THROW	2034	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1763	{	2035	{
1764	if (delay > 0.)	2036	if (delay > 0.)
1765	{	2037	{
1766	#if EV_USE_NANOSLEEP	2038	#if EV_USE_NANOSLEEP
1767	struct timespec ts;	2039	struct timespec ts;
1768		2040
1769	EV_TS_SET (ts, delay);	2041	EV_TS_SET (ts, delay);
1770	nanosleep (&ts, 0);	2042	nanosleep (&ts, 0);
1771	#elif defined _WIN32	2043	#elif defined _WIN32
		2044	/* maybe this should round up, as ms is very low resolution */
		2045	/* compared to select (µs) or nanosleep (ns) */
1772	Sleep ((unsigned long)(delay * 1e3));	2046	Sleep ((unsigned long)(delay * 1e3));
1773	#else	2047	#else
1774	struct timeval tv;	2048	struct timeval tv;
1775		2049
1776	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	2050	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1807	}	2081	}
1808		2082
1809	return ncur;	2083	return ncur;
1810	}	2084	}
1811		2085
1812	static void * noinline ecb_cold	2086	ecb_noinline ecb_cold
		2087	static void *
1813	array_realloc (int elem, void *base, int *cur, int cnt)	2088	array_realloc (int elem, void *base, int *cur, int cnt)
1814	{	2089	{
1815	*cur = array_nextsize (elem, *cur, cnt);	2090	*cur = array_nextsize (elem, *cur, cnt);
1816	return ev_realloc (base, elem * *cur);	2091	return ev_realloc (base, elem * *cur);
1817	}	2092	}
1818		2093
		2094	#define array_needsize_noinit(base,offset,count)
		2095
1819	#define array_init_zero(base,count) \	2096	#define array_needsize_zerofill(base,offset,count) \
1820	memset ((void *)(base), 0, sizeof (*(base)) * (count))	2097	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1821		2098
1822	#define array_needsize(type,base,cur,cnt,init) \	2099	#define array_needsize(type,base,cur,cnt,init) \
1823	if (expect_false ((cnt) > (cur))) \	2100	if (ecb_expect_false ((cnt) > (cur))) \
1824	{ \	2101	{ \
1825	int ecb_unused ocur_ = (cur); \	2102	ecb_unused int ocur_ = (cur); \
1826	(base) = (type *)array_realloc \	2103	(base) = (type *)array_realloc \
1827	(sizeof (type), (base), &(cur), (cnt)); \	2104	(sizeof (type), (base), &(cur), (cnt)); \
1828	init ((base) + (ocur_), (cur) - ocur_); \	2105	init ((base), ocur_, ((cur) - ocur_)); \
1829	}	2106	}
1830		2107
1831	#if 0	2108	#if 0
1832	#define array_slim(type,stem) \	2109	#define array_slim(type,stem) \
1833	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2110	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1842	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2119	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1843		2120
1844	/*****************************************************************************/	2121	/*****************************************************************************/
1845		2122
1846	/* dummy callback for pending events */	2123	/* dummy callback for pending events */
1847	static void noinline	2124	ecb_noinline
		2125	static void
1848	pendingcb (EV_P_ ev_prepare *w, int revents)	2126	pendingcb (EV_P_ ev_prepare *w, int revents)
1849	{	2127	{
1850	}	2128	}
1851		2129
1852	void noinline	2130	ecb_noinline
		2131	void
1853	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2132	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1854	{	2133	{
1855	W w_ = (W)w;	2134	W w_ = (W)w;
1856	int pri = ABSPRI (w_);	2135	int pri = ABSPRI (w_);
1857		2136
1858	if (expect_false (w_->pending))	2137	if (ecb_expect_false (w_->pending))
1859	pendings [pri][w_->pending - 1].events |= revents;	2138	pendings [pri][w_->pending - 1].events |= revents;
1860	else	2139	else
1861	{	2140	{
1862	w_->pending = ++pendingcnt [pri];	2141	w_->pending = ++pendingcnt [pri];
1863	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2142	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1864	pendings [pri][w_->pending - 1].w = w_;	2143	pendings [pri][w_->pending - 1].w = w_;
1865	pendings [pri][w_->pending - 1].events = revents;	2144	pendings [pri][w_->pending - 1].events = revents;
1866	}	2145	}
1867		2146
1868	pendingpri = NUMPRI - 1;	2147	pendingpri = NUMPRI - 1;
1869	}	2148	}
1870		2149
1871	inline_speed void	2150	inline_speed void
1872	feed_reverse (EV_P_ W w)	2151	feed_reverse (EV_P_ W w)
1873	{	2152	{
1874	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2153	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1875	rfeeds [rfeedcnt++] = w;	2154	rfeeds [rfeedcnt++] = w;
1876	}	2155	}
1877		2156
1878	inline_size void	2157	inline_size void
1879	feed_reverse_done (EV_P_ int revents)	2158	feed_reverse_done (EV_P_ int revents)
…		…
1914	inline_speed void	2193	inline_speed void
1915	fd_event (EV_P_ int fd, int revents)	2194	fd_event (EV_P_ int fd, int revents)
1916	{	2195	{
1917	ANFD *anfd = anfds + fd;	2196	ANFD *anfd = anfds + fd;
1918		2197
1919	if (expect_true (!anfd->reify))	2198	if (ecb_expect_true (!anfd->reify))
1920	fd_event_nocheck (EV_A_ fd, revents);	2199	fd_event_nocheck (EV_A_ fd, revents);
1921	}	2200	}
1922		2201
1923	void	2202	void
1924	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2203	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1925	{	2204	{
1926	if (fd >= 0 && fd < anfdmax)	2205	if (fd >= 0 && fd < anfdmax)
1927	fd_event_nocheck (EV_A_ fd, revents);	2206	fd_event_nocheck (EV_A_ fd, revents);
1928	}	2207	}
1929		2208
…		…
1966	ev_io *w;	2245	ev_io *w;
1967		2246
1968	unsigned char o_events = anfd->events;	2247	unsigned char o_events = anfd->events;
1969	unsigned char o_reify = anfd->reify;	2248	unsigned char o_reify = anfd->reify;
1970		2249
1971	anfd->reify = 0;	2250	anfd->reify = 0;
1972		2251
1973	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2252	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1974	{	2253	{
1975	anfd->events = 0;	2254	anfd->events = 0;
1976		2255
1977	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2256	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1978	anfd->events |= (unsigned char)w->events;	2257	anfd->events |= (unsigned char)w->events;
…		…
1987		2266
1988	fdchangecnt = 0;	2267	fdchangecnt = 0;
1989	}	2268	}
1990		2269
1991	/* something about the given fd changed */	2270	/* something about the given fd changed */
1992	inline_size void	2271	inline_size
		2272	void
1993	fd_change (EV_P_ int fd, int flags)	2273	fd_change (EV_P_ int fd, int flags)
1994	{	2274	{
1995	unsigned char reify = anfds [fd].reify;	2275	unsigned char reify = anfds [fd].reify;
1996	anfds [fd].reify |= flags;	2276	anfds [fd].reify |= flags;
1997		2277
1998	if (expect_true (!reify))	2278	if (ecb_expect_true (!reify))
1999	{	2279	{
2000	++fdchangecnt;	2280	++fdchangecnt;
2001	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2281	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2002	fdchanges [fdchangecnt - 1] = fd;	2282	fdchanges [fdchangecnt - 1] = fd;
2003	}	2283	}
2004	}	2284	}
2005		2285
2006	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2286	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
2007	inline_speed void ecb_cold	2287	inline_speed ecb_cold void
2008	fd_kill (EV_P_ int fd)	2288	fd_kill (EV_P_ int fd)
2009	{	2289	{
2010	ev_io *w;	2290	ev_io *w;
2011		2291
2012	while ((w = (ev_io *)anfds [fd].head))	2292	while ((w = (ev_io *)anfds [fd].head))
…		…
2015	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2295	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
2016	}	2296	}
2017	}	2297	}
2018		2298
2019	/* check whether the given fd is actually valid, for error recovery */	2299	/* check whether the given fd is actually valid, for error recovery */
2020	inline_size int ecb_cold	2300	inline_size ecb_cold int
2021	fd_valid (int fd)	2301	fd_valid (int fd)
2022	{	2302	{
2023	#ifdef _WIN32	2303	#ifdef _WIN32
2024	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2304	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
2025	#else	2305	#else
2026	return fcntl (fd, F_GETFD) != -1;	2306	return fcntl (fd, F_GETFD) != -1;
2027	#endif	2307	#endif
2028	}	2308	}
2029		2309
2030	/* called on EBADF to verify fds */	2310	/* called on EBADF to verify fds */
2031	static void noinline ecb_cold	2311	ecb_noinline ecb_cold
		2312	static void
2032	fd_ebadf (EV_P)	2313	fd_ebadf (EV_P)
2033	{	2314	{
2034	int fd;	2315	int fd;
2035		2316
2036	for (fd = 0; fd < anfdmax; ++fd)	2317	for (fd = 0; fd < anfdmax; ++fd)
…		…
2038	if (!fd_valid (fd) && errno == EBADF)	2319	if (!fd_valid (fd) && errno == EBADF)
2039	fd_kill (EV_A_ fd);	2320	fd_kill (EV_A_ fd);
2040	}	2321	}
2041		2322
2042	/* called on ENOMEM in select/poll to kill some fds and retry */	2323	/* called on ENOMEM in select/poll to kill some fds and retry */
2043	static void noinline ecb_cold	2324	ecb_noinline ecb_cold
		2325	static void
2044	fd_enomem (EV_P)	2326	fd_enomem (EV_P)
2045	{	2327	{
2046	int fd;	2328	int fd;
2047		2329
2048	for (fd = anfdmax; fd--; )	2330	for (fd = anfdmax; fd--; )
…		…
2052	break;	2334	break;
2053	}	2335	}
2054	}	2336	}
2055		2337
2056	/* usually called after fork if backend needs to re-arm all fds from scratch */	2338	/* usually called after fork if backend needs to re-arm all fds from scratch */
2057	static void noinline	2339	ecb_noinline
		2340	static void
2058	fd_rearm_all (EV_P)	2341	fd_rearm_all (EV_P)
2059	{	2342	{
2060	int fd;	2343	int fd;
2061		2344
2062	for (fd = 0; fd < anfdmax; ++fd)	2345	for (fd = 0; fd < anfdmax; ++fd)
…		…
2115	ev_tstamp minat;	2398	ev_tstamp minat;
2116	ANHE *minpos;	2399	ANHE *minpos;
2117	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2400	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2118		2401
2119	/* find minimum child */	2402	/* find minimum child */
2120	if (expect_true (pos + DHEAP - 1 < E))	2403	if (ecb_expect_true (pos + DHEAP - 1 < E))
2121	{	2404	{
2122	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2405	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2123	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2406	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2124	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2407	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2125	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2408	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
…		…
2243		2526
2244	/*****************************************************************************/	2527	/*****************************************************************************/
2245		2528
2246	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2529	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2247		2530
2248	static void noinline ecb_cold	2531	ecb_noinline ecb_cold
		2532	static void
2249	evpipe_init (EV_P)	2533	evpipe_init (EV_P)
2250	{	2534	{
2251	if (!ev_is_active (&pipe_w))	2535	if (!ev_is_active (&pipe_w))
2252	{	2536	{
2253	int fds [2];	2537	int fds [2];
…		…
2293	inline_speed void	2577	inline_speed void
2294	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2578	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2295	{	2579	{
2296	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2580	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2297		2581
2298	if (expect_true (*flag))	2582	if (ecb_expect_true (*flag))
2299	return;	2583	return;
2300		2584
2301	*flag = 1;	2585	*flag = 1;
2302	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2586	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2303		2587
…		…
2324	#endif	2608	#endif
2325	{	2609	{
2326	#ifdef _WIN32	2610	#ifdef _WIN32
2327	WSABUF buf;	2611	WSABUF buf;
2328	DWORD sent;	2612	DWORD sent;
2329	buf.buf = &buf;	2613	buf.buf = (char *)&buf;
2330	buf.len = 1;	2614	buf.len = 1;
2331	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2615	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2332	#else	2616	#else
2333	write (evpipe [1], &(evpipe [1]), 1);	2617	write (evpipe [1], &(evpipe [1]), 1);
2334	#endif	2618	#endif
…		…
2380	sig_pending = 0;	2664	sig_pending = 0;
2381		2665
2382	ECB_MEMORY_FENCE;	2666	ECB_MEMORY_FENCE;
2383		2667
2384	for (i = EV_NSIG - 1; i--; )	2668	for (i = EV_NSIG - 1; i--; )
2385	if (expect_false (signals [i].pending))	2669	if (ecb_expect_false (signals [i].pending))
2386	ev_feed_signal_event (EV_A_ i + 1);	2670	ev_feed_signal_event (EV_A_ i + 1);
2387	}	2671	}
2388	#endif	2672	#endif
2389		2673
2390	#if EV_ASYNC_ENABLE	2674	#if EV_ASYNC_ENABLE
…		…
2406	}	2690	}
2407		2691
2408	/*****************************************************************************/	2692	/*****************************************************************************/
2409		2693
2410	void	2694	void
2411	ev_feed_signal (int signum) EV_THROW	2695	ev_feed_signal (int signum) EV_NOEXCEPT
2412	{	2696	{
2413	#if EV_MULTIPLICITY	2697	#if EV_MULTIPLICITY
2414	EV_P;	2698	EV_P;
2415	ECB_MEMORY_FENCE_ACQUIRE;	2699	ECB_MEMORY_FENCE_ACQUIRE;
2416	EV_A = signals [signum - 1].loop;	2700	EV_A = signals [signum - 1].loop;
…		…
2431	#endif	2715	#endif
2432		2716
2433	ev_feed_signal (signum);	2717	ev_feed_signal (signum);
2434	}	2718	}
2435		2719
2436	void noinline	2720	ecb_noinline
		2721	void
2437	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2722	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2438	{	2723	{
2439	WL w;	2724	WL w;
2440		2725
2441	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2726	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2442	return;	2727	return;
2443		2728
2444	--signum;	2729	--signum;
2445		2730
2446	#if EV_MULTIPLICITY	2731	#if EV_MULTIPLICITY
2447	/* it is permissible to try to feed a signal to the wrong loop */	2732	/* it is permissible to try to feed a signal to the wrong loop */
2448	/* or, likely more useful, feeding a signal nobody is waiting for */	2733	/* or, likely more useful, feeding a signal nobody is waiting for */
2449		2734
2450	if (expect_false (signals [signum].loop != EV_A))	2735	if (ecb_expect_false (signals [signum].loop != EV_A))
2451	return;	2736	return;
2452	#endif	2737	#endif
2453		2738
2454	signals [signum].pending = 0;	2739	signals [signum].pending = 0;
2455	ECB_MEMORY_FENCE_RELEASE;	2740	ECB_MEMORY_FENCE_RELEASE;
…		…
2551	# include "ev_kqueue.c"	2836	# include "ev_kqueue.c"
2552	#endif	2837	#endif
2553	#if EV_USE_EPOLL	2838	#if EV_USE_EPOLL
2554	# include "ev_epoll.c"	2839	# include "ev_epoll.c"
2555	#endif	2840	#endif
		2841	#if EV_USE_LINUXAIO
		2842	# include "ev_linuxaio.c"
		2843	#endif
		2844	#if EV_USE_IOURING
		2845	# include "ev_iouring.c"
		2846	#endif
2556	#if EV_USE_POLL	2847	#if EV_USE_POLL
2557	# include "ev_poll.c"	2848	# include "ev_poll.c"
2558	#endif	2849	#endif
2559	#if EV_USE_SELECT	2850	#if EV_USE_SELECT
2560	# include "ev_select.c"	2851	# include "ev_select.c"
2561	#endif	2852	#endif
2562		2853
2563	int ecb_cold	2854	ecb_cold int
2564	ev_version_major (void) EV_THROW	2855	ev_version_major (void) EV_NOEXCEPT
2565	{	2856	{
2566	return EV_VERSION_MAJOR;	2857	return EV_VERSION_MAJOR;
2567	}	2858	}
2568		2859
2569	int ecb_cold	2860	ecb_cold int
2570	ev_version_minor (void) EV_THROW	2861	ev_version_minor (void) EV_NOEXCEPT
2571	{	2862	{
2572	return EV_VERSION_MINOR;	2863	return EV_VERSION_MINOR;
2573	}	2864	}
2574		2865
2575	/* return true if we are running with elevated privileges and should ignore env variables */	2866	/* return true if we are running with elevated privileges and should ignore env variables */
2576	int inline_size ecb_cold	2867	inline_size ecb_cold int
2577	enable_secure (void)	2868	enable_secure (void)
2578	{	2869	{
2579	#ifdef _WIN32	2870	#ifdef _WIN32
2580	return 0;	2871	return 0;
2581	#else	2872	#else
2582	return getuid () != geteuid ()	2873	return getuid () != geteuid ()
2583	|| getgid () != getegid ();	2874	|| getgid () != getegid ();
2584	#endif	2875	#endif
2585	}	2876	}
2586		2877
2587	unsigned int ecb_cold	2878	ecb_cold
		2879	unsigned int
2588	ev_supported_backends (void) EV_THROW	2880	ev_supported_backends (void) EV_NOEXCEPT
2589	{	2881	{
2590	unsigned int flags = 0;	2882	unsigned int flags = 0;
2591		2883
2592	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2884	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2593	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2885	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2594	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2886	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2887	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
		2888	if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2595	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2889	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2596	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2890	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2597		2891
2598	return flags;	2892	return flags;
2599	}	2893	}
2600		2894
2601	unsigned int ecb_cold	2895	ecb_cold
		2896	unsigned int
2602	ev_recommended_backends (void) EV_THROW	2897	ev_recommended_backends (void) EV_NOEXCEPT
2603	{	2898	{
2604	unsigned int flags = ev_supported_backends ();	2899	unsigned int flags = ev_supported_backends ();
2605		2900
2606	#ifndef __NetBSD__	2901	#ifndef __NetBSD__
2607	/* kqueue is borked on everything but netbsd apparently */	2902	/* kqueue is borked on everything but netbsd apparently */
…		…
2615	#endif	2910	#endif
2616	#ifdef __FreeBSD__	2911	#ifdef __FreeBSD__
2617	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2912	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2618	#endif	2913	#endif
2619		2914
		2915	/* TODO: linuxaio is very experimental */
		2916	#if !EV_RECOMMEND_LINUXAIO
		2917	flags &= ~EVBACKEND_LINUXAIO;
		2918	#endif
		2919	/* TODO: linuxaio is super experimental */
		2920	#if !EV_RECOMMEND_IOURING
		2921	flags &= ~EVBACKEND_IOURING;
		2922	#endif
		2923
2620	return flags;	2924	return flags;
2621	}	2925	}
2622		2926
2623	unsigned int ecb_cold	2927	ecb_cold
		2928	unsigned int
2624	ev_embeddable_backends (void) EV_THROW	2929	ev_embeddable_backends (void) EV_NOEXCEPT
2625	{	2930	{
2626	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2931	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2627		2932
2628	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2933	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2629	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2934	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2630	flags &= ~EVBACKEND_EPOLL;	2935	flags &= ~EVBACKEND_EPOLL;
2631		2936
		2937	/* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
		2938
		2939	/* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
		2940	* because our backend_fd is the epoll fd we need as fallback.
		2941	* if the kernel ever is fixed, this might change...
		2942	*/
		2943
2632	return flags;	2944	return flags;
2633	}	2945	}
2634		2946
2635	unsigned int	2947	unsigned int
2636	ev_backend (EV_P) EV_THROW	2948	ev_backend (EV_P) EV_NOEXCEPT
2637	{	2949	{
2638	return backend;	2950	return backend;
2639	}	2951	}
2640		2952
2641	#if EV_FEATURE_API	2953	#if EV_FEATURE_API
2642	unsigned int	2954	unsigned int
2643	ev_iteration (EV_P) EV_THROW	2955	ev_iteration (EV_P) EV_NOEXCEPT
2644	{	2956	{
2645	return loop_count;	2957	return loop_count;
2646	}	2958	}
2647		2959
2648	unsigned int	2960	unsigned int
2649	ev_depth (EV_P) EV_THROW	2961	ev_depth (EV_P) EV_NOEXCEPT
2650	{	2962	{
2651	return loop_depth;	2963	return loop_depth;
2652	}	2964	}
2653		2965
2654	void	2966	void
2655	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2967	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2656	{	2968	{
2657	io_blocktime = interval;	2969	io_blocktime = interval;
2658	}	2970	}
2659		2971
2660	void	2972	void
2661	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2973	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2662	{	2974	{
2663	timeout_blocktime = interval;	2975	timeout_blocktime = interval;
2664	}	2976	}
2665		2977
2666	void	2978	void
2667	ev_set_userdata (EV_P_ void *data) EV_THROW	2979	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2668	{	2980	{
2669	userdata = data;	2981	userdata = data;
2670	}	2982	}
2671		2983
2672	void *	2984	void *
2673	ev_userdata (EV_P) EV_THROW	2985	ev_userdata (EV_P) EV_NOEXCEPT
2674	{	2986	{
2675	return userdata;	2987	return userdata;
2676	}	2988	}
2677		2989
2678	void	2990	void
2679	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2991	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2680	{	2992	{
2681	invoke_cb = invoke_pending_cb;	2993	invoke_cb = invoke_pending_cb;
2682	}	2994	}
2683		2995
2684	void	2996	void
2685	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW	2997	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2686	{	2998	{
2687	release_cb = release;	2999	release_cb = release;
2688	acquire_cb = acquire;	3000	acquire_cb = acquire;
2689	}	3001	}
2690	#endif	3002	#endif
2691		3003
2692	/* initialise a loop structure, must be zero-initialised */	3004	/* initialise a loop structure, must be zero-initialised */
2693	static void noinline ecb_cold	3005	ecb_noinline ecb_cold
		3006	static void
2694	loop_init (EV_P_ unsigned int flags) EV_THROW	3007	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2695	{	3008	{
2696	if (!backend)	3009	if (!backend)
2697	{	3010	{
2698	origflags = flags;	3011	origflags = flags;
2699		3012
…		…
2757		3070
2758	if (!(flags & EVBACKEND_MASK))	3071	if (!(flags & EVBACKEND_MASK))
2759	flags |= ev_recommended_backends ();	3072	flags |= ev_recommended_backends ();
2760		3073
2761	#if EV_USE_IOCP	3074	#if EV_USE_IOCP
2762	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	3075	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2763	#endif	3076	#endif
2764	#if EV_USE_PORT	3077	#if EV_USE_PORT
2765	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	3078	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2766	#endif	3079	#endif
2767	#if EV_USE_KQUEUE	3080	#if EV_USE_KQUEUE
2768	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	3081	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		3082	#endif
		3083	#if EV_USE_IOURING
		3084	if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
		3085	#endif
		3086	#if EV_USE_LINUXAIO
		3087	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2769	#endif	3088	#endif
2770	#if EV_USE_EPOLL	3089	#if EV_USE_EPOLL
2771	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	3090	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2772	#endif	3091	#endif
2773	#if EV_USE_POLL	3092	#if EV_USE_POLL
2774	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	3093	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2775	#endif	3094	#endif
2776	#if EV_USE_SELECT	3095	#if EV_USE_SELECT
2777	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	3096	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2778	#endif	3097	#endif
2779		3098
2780	ev_prepare_init (&pending_w, pendingcb);	3099	ev_prepare_init (&pending_w, pendingcb);
2781		3100
2782	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3101	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2785	#endif	3104	#endif
2786	}	3105	}
2787	}	3106	}
2788		3107
2789	/* free up a loop structure */	3108	/* free up a loop structure */
2790	void ecb_cold	3109	ecb_cold
		3110	void
2791	ev_loop_destroy (EV_P)	3111	ev_loop_destroy (EV_P)
2792	{	3112	{
2793	int i;	3113	int i;
2794		3114
2795	#if EV_MULTIPLICITY	3115	#if EV_MULTIPLICITY
…		…
2798	return;	3118	return;
2799	#endif	3119	#endif
2800		3120
2801	#if EV_CLEANUP_ENABLE	3121	#if EV_CLEANUP_ENABLE
2802	/* queue cleanup watchers (and execute them) */	3122	/* queue cleanup watchers (and execute them) */
2803	if (expect_false (cleanupcnt))	3123	if (ecb_expect_false (cleanupcnt))
2804	{	3124	{
2805	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3125	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2806	EV_INVOKE_PENDING;	3126	EV_INVOKE_PENDING;
2807	}	3127	}
2808	#endif	3128	#endif
…		…
2836		3156
2837	if (backend_fd >= 0)	3157	if (backend_fd >= 0)
2838	close (backend_fd);	3158	close (backend_fd);
2839		3159
2840	#if EV_USE_IOCP	3160	#if EV_USE_IOCP
2841	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3161	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2842	#endif	3162	#endif
2843	#if EV_USE_PORT	3163	#if EV_USE_PORT
2844	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3164	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2845	#endif	3165	#endif
2846	#if EV_USE_KQUEUE	3166	#if EV_USE_KQUEUE
2847	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3167	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3168	#endif
		3169	#if EV_USE_IOURING
		3170	if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
		3171	#endif
		3172	#if EV_USE_LINUXAIO
		3173	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2848	#endif	3174	#endif
2849	#if EV_USE_EPOLL	3175	#if EV_USE_EPOLL
2850	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3176	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2851	#endif	3177	#endif
2852	#if EV_USE_POLL	3178	#if EV_USE_POLL
2853	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3179	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2854	#endif	3180	#endif
2855	#if EV_USE_SELECT	3181	#if EV_USE_SELECT
2856	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3182	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2857	#endif	3183	#endif
2858		3184
2859	for (i = NUMPRI; i--; )	3185	for (i = NUMPRI; i--; )
2860	{	3186	{
2861	array_free (pending, [i]);	3187	array_free (pending, [i]);
…		…
2903		3229
2904	inline_size void	3230	inline_size void
2905	loop_fork (EV_P)	3231	loop_fork (EV_P)
2906	{	3232	{
2907	#if EV_USE_PORT	3233	#if EV_USE_PORT
2908	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3234	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2909	#endif	3235	#endif
2910	#if EV_USE_KQUEUE	3236	#if EV_USE_KQUEUE
2911	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3237	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3238	#endif
		3239	#if EV_USE_IOURING
		3240	if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
		3241	#endif
		3242	#if EV_USE_LINUXAIO
		3243	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2912	#endif	3244	#endif
2913	#if EV_USE_EPOLL	3245	#if EV_USE_EPOLL
2914	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3246	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2915	#endif	3247	#endif
2916	#if EV_USE_INOTIFY	3248	#if EV_USE_INOTIFY
2917	infy_fork (EV_A);	3249	infy_fork (EV_A);
2918	#endif	3250	#endif
2919		3251
2920	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3252	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2921	if (ev_is_active (&pipe_w))	3253	if (ev_is_active (&pipe_w) && postfork != 2)
2922	{	3254	{
2923	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3255	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2924		3256
2925	ev_ref (EV_A);	3257	ev_ref (EV_A);
2926	ev_io_stop (EV_A_ &pipe_w);	3258	ev_io_stop (EV_A_ &pipe_w);
…		…
2937	postfork = 0;	3269	postfork = 0;
2938	}	3270	}
2939		3271
2940	#if EV_MULTIPLICITY	3272	#if EV_MULTIPLICITY
2941		3273
		3274	ecb_cold
2942	struct ev_loop * ecb_cold	3275	struct ev_loop *
2943	ev_loop_new (unsigned int flags) EV_THROW	3276	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2944	{	3277	{
2945	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3278	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2946		3279
2947	memset (EV_A, 0, sizeof (struct ev_loop));	3280	memset (EV_A, 0, sizeof (struct ev_loop));
2948	loop_init (EV_A_ flags);	3281	loop_init (EV_A_ flags);
…		…
2955	}	3288	}
2956		3289
2957	#endif /* multiplicity */	3290	#endif /* multiplicity */
2958		3291
2959	#if EV_VERIFY	3292	#if EV_VERIFY
2960	static void noinline ecb_cold	3293	ecb_noinline ecb_cold
		3294	static void
2961	verify_watcher (EV_P_ W w)	3295	verify_watcher (EV_P_ W w)
2962	{	3296	{
2963	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3297	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2964		3298
2965	if (w->pending)	3299	if (w->pending)
2966	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3300	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2967	}	3301	}
2968		3302
2969	static void noinline ecb_cold	3303	ecb_noinline ecb_cold
		3304	static void
2970	verify_heap (EV_P_ ANHE *heap, int N)	3305	verify_heap (EV_P_ ANHE *heap, int N)
2971	{	3306	{
2972	int i;	3307	int i;
2973		3308
2974	for (i = HEAP0; i < N + HEAP0; ++i)	3309	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2979		3314
2980	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3315	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2981	}	3316	}
2982	}	3317	}
2983		3318
2984	static void noinline ecb_cold	3319	ecb_noinline ecb_cold
		3320	static void
2985	array_verify (EV_P_ W *ws, int cnt)	3321	array_verify (EV_P_ W *ws, int cnt)
2986	{	3322	{
2987	while (cnt--)	3323	while (cnt--)
2988	{	3324	{
2989	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3325	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2992	}	3328	}
2993	#endif	3329	#endif
2994		3330
2995	#if EV_FEATURE_API	3331	#if EV_FEATURE_API
2996	void ecb_cold	3332	void ecb_cold
2997	ev_verify (EV_P) EV_THROW	3333	ev_verify (EV_P) EV_NOEXCEPT
2998	{	3334	{
2999	#if EV_VERIFY	3335	#if EV_VERIFY
3000	int i;	3336	int i;
3001	WL w, w2;	3337	WL w, w2;
3002		3338
…		…
3078	#endif	3414	#endif
3079	}	3415	}
3080	#endif	3416	#endif
3081		3417
3082	#if EV_MULTIPLICITY	3418	#if EV_MULTIPLICITY
		3419	ecb_cold
3083	struct ev_loop * ecb_cold	3420	struct ev_loop *
3084	#else	3421	#else
3085	int	3422	int
3086	#endif	3423	#endif
3087	ev_default_loop (unsigned int flags) EV_THROW	3424	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3088	{	3425	{
3089	if (!ev_default_loop_ptr)	3426	if (!ev_default_loop_ptr)
3090	{	3427	{
3091	#if EV_MULTIPLICITY	3428	#if EV_MULTIPLICITY
3092	EV_P = ev_default_loop_ptr = &default_loop_struct;	3429	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3111		3448
3112	return ev_default_loop_ptr;	3449	return ev_default_loop_ptr;
3113	}	3450	}
3114		3451
3115	void	3452	void
3116	ev_loop_fork (EV_P) EV_THROW	3453	ev_loop_fork (EV_P) EV_NOEXCEPT
3117	{	3454	{
3118	postfork = 1;	3455	postfork = 1;
3119	}	3456	}
3120		3457
3121	/*****************************************************************************/	3458	/*****************************************************************************/
…		…
3125	{	3462	{
3126	EV_CB_INVOKE ((W)w, revents);	3463	EV_CB_INVOKE ((W)w, revents);
3127	}	3464	}
3128		3465
3129	unsigned int	3466	unsigned int
3130	ev_pending_count (EV_P) EV_THROW	3467	ev_pending_count (EV_P) EV_NOEXCEPT
3131	{	3468	{
3132	int pri;	3469	int pri;
3133	unsigned int count = 0;	3470	unsigned int count = 0;
3134		3471
3135	for (pri = NUMPRI; pri--; )	3472	for (pri = NUMPRI; pri--; )
3136	count += pendingcnt [pri];	3473	count += pendingcnt [pri];
3137		3474
3138	return count;	3475	return count;
3139	}	3476	}
3140		3477
3141	void noinline	3478	ecb_noinline
		3479	void
3142	ev_invoke_pending (EV_P)	3480	ev_invoke_pending (EV_P)
3143	{	3481	{
3144	pendingpri = NUMPRI;	3482	pendingpri = NUMPRI;
3145		3483
3146	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3484	do
3147	{	3485	{
3148	--pendingpri;	3486	--pendingpri;
3149		3487
		3488	/* pendingpri possibly gets modified in the inner loop */
3150	while (pendingcnt [pendingpri])	3489	while (pendingcnt [pendingpri])
3151	{	3490	{
3152	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3491	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3153		3492
3154	p->w->pending = 0;	3493	p->w->pending = 0;
3155	EV_CB_INVOKE (p->w, p->events);	3494	EV_CB_INVOKE (p->w, p->events);
3156	EV_FREQUENT_CHECK;	3495	EV_FREQUENT_CHECK;
3157	}	3496	}
3158	}	3497	}
		3498	while (pendingpri);
3159	}	3499	}
3160		3500
3161	#if EV_IDLE_ENABLE	3501	#if EV_IDLE_ENABLE
3162	/* make idle watchers pending. this handles the "call-idle */	3502	/* make idle watchers pending. this handles the "call-idle */
3163	/* only when higher priorities are idle" logic */	3503	/* only when higher priorities are idle" logic */
3164	inline_size void	3504	inline_size void
3165	idle_reify (EV_P)	3505	idle_reify (EV_P)
3166	{	3506	{
3167	if (expect_false (idleall))	3507	if (ecb_expect_false (idleall))
3168	{	3508	{
3169	int pri;	3509	int pri;
3170		3510
3171	for (pri = NUMPRI; pri--; )	3511	for (pri = NUMPRI; pri--; )
3172	{	3512	{
…		…
3221	}	3561	}
3222	}	3562	}
3223		3563
3224	#if EV_PERIODIC_ENABLE	3564	#if EV_PERIODIC_ENABLE
3225		3565
3226	static void noinline	3566	ecb_noinline
		3567	static void
3227	periodic_recalc (EV_P_ ev_periodic *w)	3568	periodic_recalc (EV_P_ ev_periodic *w)
3228	{	3569	{
3229	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3570	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3230	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3571	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3231		3572
…		…
3233	while (at <= ev_rt_now)	3574	while (at <= ev_rt_now)
3234	{	3575	{
3235	ev_tstamp nat = at + w->interval;	3576	ev_tstamp nat = at + w->interval;
3236		3577
3237	/* when resolution fails us, we use ev_rt_now */	3578	/* when resolution fails us, we use ev_rt_now */
3238	if (expect_false (nat == at))	3579	if (ecb_expect_false (nat == at))
3239	{	3580	{
3240	at = ev_rt_now;	3581	at = ev_rt_now;
3241	break;	3582	break;
3242	}	3583	}
3243		3584
…		…
3289	}	3630	}
3290	}	3631	}
3291		3632
3292	/* simply recalculate all periodics */	3633	/* simply recalculate all periodics */
3293	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3634	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3294	static void noinline ecb_cold	3635	ecb_noinline ecb_cold
		3636	static void
3295	periodics_reschedule (EV_P)	3637	periodics_reschedule (EV_P)
3296	{	3638	{
3297	int i;	3639	int i;
3298		3640
3299	/* adjust periodics after time jump */	3641	/* adjust periodics after time jump */
…		…
3312	reheap (periodics, periodiccnt);	3654	reheap (periodics, periodiccnt);
3313	}	3655	}
3314	#endif	3656	#endif
3315		3657
3316	/* adjust all timers by a given offset */	3658	/* adjust all timers by a given offset */
3317	static void noinline ecb_cold	3659	ecb_noinline ecb_cold
		3660	static void
3318	timers_reschedule (EV_P_ ev_tstamp adjust)	3661	timers_reschedule (EV_P_ ev_tstamp adjust)
3319	{	3662	{
3320	int i;	3663	int i;
3321		3664
3322	for (i = 0; i < timercnt; ++i)	3665	for (i = 0; i < timercnt; ++i)
…		…
3331	/* also detect if there was a timejump, and act accordingly */	3674	/* also detect if there was a timejump, and act accordingly */
3332	inline_speed void	3675	inline_speed void
3333	time_update (EV_P_ ev_tstamp max_block)	3676	time_update (EV_P_ ev_tstamp max_block)
3334	{	3677	{
3335	#if EV_USE_MONOTONIC	3678	#if EV_USE_MONOTONIC
3336	if (expect_true (have_monotonic))	3679	if (ecb_expect_true (have_monotonic))
3337	{	3680	{
3338	int i;	3681	int i;
3339	ev_tstamp odiff = rtmn_diff;	3682	ev_tstamp odiff = rtmn_diff;
3340		3683
3341	mn_now = get_clock ();	3684	mn_now = get_clock ();
3342		3685
3343	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3686	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3344	/* interpolate in the meantime */	3687	/* interpolate in the meantime */
3345	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3688	if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3346	{	3689	{
3347	ev_rt_now = rtmn_diff + mn_now;	3690	ev_rt_now = rtmn_diff + mn_now;
3348	return;	3691	return;
3349	}	3692	}
3350		3693
…		…
3364	ev_tstamp diff;	3707	ev_tstamp diff;
3365	rtmn_diff = ev_rt_now - mn_now;	3708	rtmn_diff = ev_rt_now - mn_now;
3366		3709
3367	diff = odiff - rtmn_diff;	3710	diff = odiff - rtmn_diff;
3368		3711
3369	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3712	if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3370	return; /* all is well */	3713	return; /* all is well */
3371		3714
3372	ev_rt_now = ev_time ();	3715	ev_rt_now = ev_time ();
3373	mn_now = get_clock ();	3716	mn_now = get_clock ();
3374	now_floor = mn_now;	3717	now_floor = mn_now;
…		…
3383	else	3726	else
3384	#endif	3727	#endif
3385	{	3728	{
3386	ev_rt_now = ev_time ();	3729	ev_rt_now = ev_time ();
3387		3730
3388	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3731	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3389	{	3732	{
3390	/* adjust timers. this is easy, as the offset is the same for all of them */	3733	/* adjust timers. this is easy, as the offset is the same for all of them */
3391	timers_reschedule (EV_A_ ev_rt_now - mn_now);	3734	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3392	#if EV_PERIODIC_ENABLE	3735	#if EV_PERIODIC_ENABLE
3393	periodics_reschedule (EV_A);	3736	periodics_reschedule (EV_A);
…		…
3416	#if EV_VERIFY >= 2	3759	#if EV_VERIFY >= 2
3417	ev_verify (EV_A);	3760	ev_verify (EV_A);
3418	#endif	3761	#endif
3419		3762
3420	#ifndef _WIN32	3763	#ifndef _WIN32
3421	if (expect_false (curpid)) /* penalise the forking check even more */	3764	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3422	if (expect_false (getpid () != curpid))	3765	if (ecb_expect_false (getpid () != curpid))
3423	{	3766	{
3424	curpid = getpid ();	3767	curpid = getpid ();
3425	postfork = 1;	3768	postfork = 1;
3426	}	3769	}
3427	#endif	3770	#endif
3428		3771
3429	#if EV_FORK_ENABLE	3772	#if EV_FORK_ENABLE
3430	/* we might have forked, so queue fork handlers */	3773	/* we might have forked, so queue fork handlers */
3431	if (expect_false (postfork))	3774	if (ecb_expect_false (postfork))
3432	if (forkcnt)	3775	if (forkcnt)
3433	{	3776	{
3434	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3777	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3435	EV_INVOKE_PENDING;	3778	EV_INVOKE_PENDING;
3436	}	3779	}
3437	#endif	3780	#endif
3438		3781
3439	#if EV_PREPARE_ENABLE	3782	#if EV_PREPARE_ENABLE
3440	/* queue prepare watchers (and execute them) */	3783	/* queue prepare watchers (and execute them) */
3441	if (expect_false (preparecnt))	3784	if (ecb_expect_false (preparecnt))
3442	{	3785	{
3443	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3786	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3444	EV_INVOKE_PENDING;	3787	EV_INVOKE_PENDING;
3445	}	3788	}
3446	#endif	3789	#endif
3447		3790
3448	if (expect_false (loop_done))	3791	if (ecb_expect_false (loop_done))
3449	break;	3792	break;
3450		3793
3451	/* we might have forked, so reify kernel state if necessary */	3794	/* we might have forked, so reify kernel state if necessary */
3452	if (expect_false (postfork))	3795	if (ecb_expect_false (postfork))
3453	loop_fork (EV_A);	3796	loop_fork (EV_A);
3454		3797
3455	/* update fd-related kernel structures */	3798	/* update fd-related kernel structures */
3456	fd_reify (EV_A);	3799	fd_reify (EV_A);
3457		3800
…		…
3469	/* from now on, we want a pipe-wake-up */	3812	/* from now on, we want a pipe-wake-up */
3470	pipe_write_wanted = 1;	3813	pipe_write_wanted = 1;
3471		3814
3472	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3815	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3473		3816
3474	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3817	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3475	{	3818	{
3476	waittime = MAX_BLOCKTIME;	3819	waittime = MAX_BLOCKTIME;
3477		3820
3478	if (timercnt)	3821	if (timercnt)
3479	{	3822	{
…		…
3488	if (waittime > to) waittime = to;	3831	if (waittime > to) waittime = to;
3489	}	3832	}
3490	#endif	3833	#endif
3491		3834
3492	/* don't let timeouts decrease the waittime below timeout_blocktime */	3835	/* don't let timeouts decrease the waittime below timeout_blocktime */
3493	if (expect_false (waittime < timeout_blocktime))	3836	if (ecb_expect_false (waittime < timeout_blocktime))
3494	waittime = timeout_blocktime;	3837	waittime = timeout_blocktime;
3495		3838
3496	/* at this point, we NEED to wait, so we have to ensure */	3839	/* at this point, we NEED to wait, so we have to ensure */
3497	/* to pass a minimum nonzero value to the backend */	3840	/* to pass a minimum nonzero value to the backend */
3498	if (expect_false (waittime < backend_mintime))	3841	if (ecb_expect_false (waittime < backend_mintime))
3499	waittime = backend_mintime;	3842	waittime = backend_mintime;
3500		3843
3501	/* extra check because io_blocktime is commonly 0 */	3844	/* extra check because io_blocktime is commonly 0 */
3502	if (expect_false (io_blocktime))	3845	if (ecb_expect_false (io_blocktime))
3503	{	3846	{
3504	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3847	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3505		3848
3506	if (sleeptime > waittime - backend_mintime)	3849	if (sleeptime > waittime - backend_mintime)
3507	sleeptime = waittime - backend_mintime;	3850	sleeptime = waittime - backend_mintime;
3508		3851
3509	if (expect_true (sleeptime > 0.))	3852	if (ecb_expect_true (sleeptime > 0.))
3510	{	3853	{
3511	ev_sleep (sleeptime);	3854	ev_sleep (sleeptime);
3512	waittime -= sleeptime;	3855	waittime -= sleeptime;
3513	}	3856	}
3514	}	3857	}
…		…
3528	{	3871	{
3529	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3872	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3530	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3873	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3531	}	3874	}
3532		3875
3533
3534	/* update ev_rt_now, do magic */	3876	/* update ev_rt_now, do magic */
3535	time_update (EV_A_ waittime + sleeptime);	3877	time_update (EV_A_ waittime + sleeptime);
3536	}	3878	}
3537		3879
3538	/* queue pending timers and reschedule them */	3880	/* queue pending timers and reschedule them */
…		…
3546	idle_reify (EV_A);	3888	idle_reify (EV_A);
3547	#endif	3889	#endif
3548		3890
3549	#if EV_CHECK_ENABLE	3891	#if EV_CHECK_ENABLE
3550	/* queue check watchers, to be executed first */	3892	/* queue check watchers, to be executed first */
3551	if (expect_false (checkcnt))	3893	if (ecb_expect_false (checkcnt))
3552	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3894	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3553	#endif	3895	#endif
3554		3896
3555	EV_INVOKE_PENDING;	3897	EV_INVOKE_PENDING;
3556	}	3898	}
3557	while (expect_true (	3899	while (ecb_expect_true (
3558	activecnt	3900	activecnt
3559	&& !loop_done	3901	&& !loop_done
3560	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3902	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3561	));	3903	));
3562		3904
…		…
3569		3911
3570	return activecnt;	3912	return activecnt;
3571	}	3913	}
3572		3914
3573	void	3915	void
3574	ev_break (EV_P_ int how) EV_THROW	3916	ev_break (EV_P_ int how) EV_NOEXCEPT
3575	{	3917	{
3576	loop_done = how;	3918	loop_done = how;
3577	}	3919	}
3578		3920
3579	void	3921	void
3580	ev_ref (EV_P) EV_THROW	3922	ev_ref (EV_P) EV_NOEXCEPT
3581	{	3923	{
3582	++activecnt;	3924	++activecnt;
3583	}	3925	}
3584		3926
3585	void	3927	void
3586	ev_unref (EV_P) EV_THROW	3928	ev_unref (EV_P) EV_NOEXCEPT
3587	{	3929	{
3588	--activecnt;	3930	--activecnt;
3589	}	3931	}
3590		3932
3591	void	3933	void
3592	ev_now_update (EV_P) EV_THROW	3934	ev_now_update (EV_P) EV_NOEXCEPT
3593	{	3935	{
3594	time_update (EV_A_ 1e100);	3936	time_update (EV_A_ 1e100);
3595	}	3937	}
3596		3938
3597	void	3939	void
3598	ev_suspend (EV_P) EV_THROW	3940	ev_suspend (EV_P) EV_NOEXCEPT
3599	{	3941	{
3600	ev_now_update (EV_A);	3942	ev_now_update (EV_A);
3601	}	3943	}
3602		3944
3603	void	3945	void
3604	ev_resume (EV_P) EV_THROW	3946	ev_resume (EV_P) EV_NOEXCEPT
3605	{	3947	{
3606	ev_tstamp mn_prev = mn_now;	3948	ev_tstamp mn_prev = mn_now;
3607		3949
3608	ev_now_update (EV_A);	3950	ev_now_update (EV_A);
3609	timers_reschedule (EV_A_ mn_now - mn_prev);	3951	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3626	inline_size void	3968	inline_size void
3627	wlist_del (WL *head, WL elem)	3969	wlist_del (WL *head, WL elem)
3628	{	3970	{
3629	while (*head)	3971	while (*head)
3630	{	3972	{
3631	if (expect_true (*head == elem))	3973	if (ecb_expect_true (*head == elem))
3632	{	3974	{
3633	*head = elem->next;	3975	*head = elem->next;
3634	break;	3976	break;
3635	}	3977	}
3636		3978
…		…
3648	w->pending = 0;	3990	w->pending = 0;
3649	}	3991	}
3650	}	3992	}
3651		3993
3652	int	3994	int
3653	ev_clear_pending (EV_P_ void *w) EV_THROW	3995	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3654	{	3996	{
3655	W w_ = (W)w;	3997	W w_ = (W)w;
3656	int pending = w_->pending;	3998	int pending = w_->pending;
3657		3999
3658	if (expect_true (pending))	4000	if (ecb_expect_true (pending))
3659	{	4001	{
3660	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	4002	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3661	p->w = (W)&pending_w;	4003	p->w = (W)&pending_w;
3662	w_->pending = 0;	4004	w_->pending = 0;
3663	return p->events;	4005	return p->events;
…		…
3690	w->active = 0;	4032	w->active = 0;
3691	}	4033	}
3692		4034
3693	/*****************************************************************************/	4035	/*****************************************************************************/
3694		4036
3695	void noinline	4037	ecb_noinline
		4038	void
3696	ev_io_start (EV_P_ ev_io *w) EV_THROW	4039	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3697	{	4040	{
3698	int fd = w->fd;	4041	int fd = w->fd;
3699		4042
3700	if (expect_false (ev_is_active (w)))	4043	if (ecb_expect_false (ev_is_active (w)))
3701	return;	4044	return;
3702		4045
3703	assert (("libev: ev_io_start called with negative fd", fd >= 0));	4046	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3704	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	4047	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3705		4048
		4049	#if EV_VERIFY >= 2
		4050	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		4051	#endif
3706	EV_FREQUENT_CHECK;	4052	EV_FREQUENT_CHECK;
3707		4053
3708	ev_start (EV_A_ (W)w, 1);	4054	ev_start (EV_A_ (W)w, 1);
3709	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	4055	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3710	wlist_add (&anfds[fd].head, (WL)w);	4056	wlist_add (&anfds[fd].head, (WL)w);
3711		4057
3712	/* common bug, apparently */	4058	/* common bug, apparently */
3713	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	4059	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3714		4060
…		…
3716	w->events &= ~EV__IOFDSET;	4062	w->events &= ~EV__IOFDSET;
3717		4063
3718	EV_FREQUENT_CHECK;	4064	EV_FREQUENT_CHECK;
3719	}	4065	}
3720		4066
3721	void noinline	4067	ecb_noinline
		4068	void
3722	ev_io_stop (EV_P_ ev_io *w) EV_THROW	4069	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3723	{	4070	{
3724	clear_pending (EV_A_ (W)w);	4071	clear_pending (EV_A_ (W)w);
3725	if (expect_false (!ev_is_active (w)))	4072	if (ecb_expect_false (!ev_is_active (w)))
3726	return;	4073	return;
3727		4074
3728	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	4075	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3729		4076
		4077	#if EV_VERIFY >= 2
		4078	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		4079	#endif
3730	EV_FREQUENT_CHECK;	4080	EV_FREQUENT_CHECK;
3731		4081
3732	wlist_del (&anfds[w->fd].head, (WL)w);	4082	wlist_del (&anfds[w->fd].head, (WL)w);
3733	ev_stop (EV_A_ (W)w);	4083	ev_stop (EV_A_ (W)w);
3734		4084
3735	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	4085	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3736		4086
3737	EV_FREQUENT_CHECK;	4087	EV_FREQUENT_CHECK;
3738	}	4088	}
3739		4089
3740	void noinline	4090	ecb_noinline
		4091	void
3741	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	4092	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3742	{	4093	{
3743	if (expect_false (ev_is_active (w)))	4094	if (ecb_expect_false (ev_is_active (w)))
3744	return;	4095	return;
3745		4096
3746	ev_at (w) += mn_now;	4097	ev_at (w) += mn_now;
3747		4098
3748	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	4099	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3749		4100
3750	EV_FREQUENT_CHECK;	4101	EV_FREQUENT_CHECK;
3751		4102
3752	++timercnt;	4103	++timercnt;
3753	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	4104	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3754	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	4105	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3755	ANHE_w (timers [ev_active (w)]) = (WT)w;	4106	ANHE_w (timers [ev_active (w)]) = (WT)w;
3756	ANHE_at_cache (timers [ev_active (w)]);	4107	ANHE_at_cache (timers [ev_active (w)]);
3757	upheap (timers, ev_active (w));	4108	upheap (timers, ev_active (w));
3758		4109
3759	EV_FREQUENT_CHECK;	4110	EV_FREQUENT_CHECK;
3760		4111
3761	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	4112	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3762	}	4113	}
3763		4114
3764	void noinline	4115	ecb_noinline
		4116	void
3765	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	4117	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3766	{	4118	{
3767	clear_pending (EV_A_ (W)w);	4119	clear_pending (EV_A_ (W)w);
3768	if (expect_false (!ev_is_active (w)))	4120	if (ecb_expect_false (!ev_is_active (w)))
3769	return;	4121	return;
3770		4122
3771	EV_FREQUENT_CHECK;	4123	EV_FREQUENT_CHECK;
3772		4124
3773	{	4125	{
…		…
3775		4127
3776	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4128	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3777		4129
3778	--timercnt;	4130	--timercnt;
3779		4131
3780	if (expect_true (active < timercnt + HEAP0))	4132	if (ecb_expect_true (active < timercnt + HEAP0))
3781	{	4133	{
3782	timers [active] = timers [timercnt + HEAP0];	4134	timers [active] = timers [timercnt + HEAP0];
3783	adjustheap (timers, timercnt, active);	4135	adjustheap (timers, timercnt, active);
3784	}	4136	}
3785	}	4137	}
…		…
3789	ev_stop (EV_A_ (W)w);	4141	ev_stop (EV_A_ (W)w);
3790		4142
3791	EV_FREQUENT_CHECK;	4143	EV_FREQUENT_CHECK;
3792	}	4144	}
3793		4145
3794	void noinline	4146	ecb_noinline
		4147	void
3795	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4148	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3796	{	4149	{
3797	EV_FREQUENT_CHECK;	4150	EV_FREQUENT_CHECK;
3798		4151
3799	clear_pending (EV_A_ (W)w);	4152	clear_pending (EV_A_ (W)w);
3800		4153
…		…
3817		4170
3818	EV_FREQUENT_CHECK;	4171	EV_FREQUENT_CHECK;
3819	}	4172	}
3820		4173
3821	ev_tstamp	4174	ev_tstamp
3822	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4175	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3823	{	4176	{
3824	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4177	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3825	}	4178	}
3826		4179
3827	#if EV_PERIODIC_ENABLE	4180	#if EV_PERIODIC_ENABLE
3828	void noinline	4181	ecb_noinline
		4182	void
3829	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4183	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3830	{	4184	{
3831	if (expect_false (ev_is_active (w)))	4185	if (ecb_expect_false (ev_is_active (w)))
3832	return;	4186	return;
3833		4187
3834	if (w->reschedule_cb)	4188	if (w->reschedule_cb)
3835	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4189	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3836	else if (w->interval)	4190	else if (w->interval)
…		…
3843		4197
3844	EV_FREQUENT_CHECK;	4198	EV_FREQUENT_CHECK;
3845		4199
3846	++periodiccnt;	4200	++periodiccnt;
3847	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4201	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3848	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4202	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3849	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4203	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3850	ANHE_at_cache (periodics [ev_active (w)]);	4204	ANHE_at_cache (periodics [ev_active (w)]);
3851	upheap (periodics, ev_active (w));	4205	upheap (periodics, ev_active (w));
3852		4206
3853	EV_FREQUENT_CHECK;	4207	EV_FREQUENT_CHECK;
3854		4208
3855	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4209	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3856	}	4210	}
3857		4211
3858	void noinline	4212	ecb_noinline
		4213	void
3859	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4214	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3860	{	4215	{
3861	clear_pending (EV_A_ (W)w);	4216	clear_pending (EV_A_ (W)w);
3862	if (expect_false (!ev_is_active (w)))	4217	if (ecb_expect_false (!ev_is_active (w)))
3863	return;	4218	return;
3864		4219
3865	EV_FREQUENT_CHECK;	4220	EV_FREQUENT_CHECK;
3866		4221
3867	{	4222	{
…		…
3869		4224
3870	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4225	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3871		4226
3872	--periodiccnt;	4227	--periodiccnt;
3873		4228
3874	if (expect_true (active < periodiccnt + HEAP0))	4229	if (ecb_expect_true (active < periodiccnt + HEAP0))
3875	{	4230	{
3876	periodics [active] = periodics [periodiccnt + HEAP0];	4231	periodics [active] = periodics [periodiccnt + HEAP0];
3877	adjustheap (periodics, periodiccnt, active);	4232	adjustheap (periodics, periodiccnt, active);
3878	}	4233	}
3879	}	4234	}
…		…
3881	ev_stop (EV_A_ (W)w);	4236	ev_stop (EV_A_ (W)w);
3882		4237
3883	EV_FREQUENT_CHECK;	4238	EV_FREQUENT_CHECK;
3884	}	4239	}
3885		4240
3886	void noinline	4241	ecb_noinline
		4242	void
3887	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4243	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3888	{	4244	{
3889	/* TODO: use adjustheap and recalculation */	4245	/* TODO: use adjustheap and recalculation */
3890	ev_periodic_stop (EV_A_ w);	4246	ev_periodic_stop (EV_A_ w);
3891	ev_periodic_start (EV_A_ w);	4247	ev_periodic_start (EV_A_ w);
3892	}	4248	}
…		…
3896	# define SA_RESTART 0	4252	# define SA_RESTART 0
3897	#endif	4253	#endif
3898		4254
3899	#if EV_SIGNAL_ENABLE	4255	#if EV_SIGNAL_ENABLE
3900		4256
3901	void noinline	4257	ecb_noinline
		4258	void
3902	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4259	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3903	{	4260	{
3904	if (expect_false (ev_is_active (w)))	4261	if (ecb_expect_false (ev_is_active (w)))
3905	return;	4262	return;
3906		4263
3907	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4264	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3908		4265
3909	#if EV_MULTIPLICITY	4266	#if EV_MULTIPLICITY
…		…
3978	}	4335	}
3979		4336
3980	EV_FREQUENT_CHECK;	4337	EV_FREQUENT_CHECK;
3981	}	4338	}
3982		4339
3983	void noinline	4340	ecb_noinline
		4341	void
3984	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4342	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3985	{	4343	{
3986	clear_pending (EV_A_ (W)w);	4344	clear_pending (EV_A_ (W)w);
3987	if (expect_false (!ev_is_active (w)))	4345	if (ecb_expect_false (!ev_is_active (w)))
3988	return;	4346	return;
3989		4347
3990	EV_FREQUENT_CHECK;	4348	EV_FREQUENT_CHECK;
3991		4349
3992	wlist_del (&signals [w->signum - 1].head, (WL)w);	4350	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
4020	#endif	4378	#endif
4021		4379
4022	#if EV_CHILD_ENABLE	4380	#if EV_CHILD_ENABLE
4023		4381
4024	void	4382	void
4025	ev_child_start (EV_P_ ev_child *w) EV_THROW	4383	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4026	{	4384	{
4027	#if EV_MULTIPLICITY	4385	#if EV_MULTIPLICITY
4028	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4386	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4029	#endif	4387	#endif
4030	if (expect_false (ev_is_active (w)))	4388	if (ecb_expect_false (ev_is_active (w)))
4031	return;	4389	return;
4032		4390
4033	EV_FREQUENT_CHECK;	4391	EV_FREQUENT_CHECK;
4034		4392
4035	ev_start (EV_A_ (W)w, 1);	4393	ev_start (EV_A_ (W)w, 1);
…		…
4037		4395
4038	EV_FREQUENT_CHECK;	4396	EV_FREQUENT_CHECK;
4039	}	4397	}
4040		4398
4041	void	4399	void
4042	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4400	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4043	{	4401	{
4044	clear_pending (EV_A_ (W)w);	4402	clear_pending (EV_A_ (W)w);
4045	if (expect_false (!ev_is_active (w)))	4403	if (ecb_expect_false (!ev_is_active (w)))
4046	return;	4404	return;
4047		4405
4048	EV_FREQUENT_CHECK;	4406	EV_FREQUENT_CHECK;
4049		4407
4050	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4408	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
4064		4422
4065	#define DEF_STAT_INTERVAL 5.0074891	4423	#define DEF_STAT_INTERVAL 5.0074891
4066	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4424	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4067	#define MIN_STAT_INTERVAL 0.1074891	4425	#define MIN_STAT_INTERVAL 0.1074891
4068		4426
4069	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4427	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4070		4428
4071	#if EV_USE_INOTIFY	4429	#if EV_USE_INOTIFY
4072		4430
4073	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4431	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
4074	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4432	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4075		4433
4076	static void noinline	4434	ecb_noinline
		4435	static void
4077	infy_add (EV_P_ ev_stat *w)	4436	infy_add (EV_P_ ev_stat *w)
4078	{	4437	{
4079	w->wd = inotify_add_watch (fs_fd, w->path,	4438	w->wd = inotify_add_watch (fs_fd, w->path,
4080	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4439	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4081	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4440	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4145	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4504	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4146	ev_timer_again (EV_A_ &w->timer);	4505	ev_timer_again (EV_A_ &w->timer);
4147	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4506	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4148	}	4507	}
4149		4508
4150	static void noinline	4509	ecb_noinline
		4510	static void
4151	infy_del (EV_P_ ev_stat *w)	4511	infy_del (EV_P_ ev_stat *w)
4152	{	4512	{
4153	int slot;	4513	int slot;
4154	int wd = w->wd;	4514	int wd = w->wd;
4155		4515
…		…
4162		4522
4163	/* remove this watcher, if others are watching it, they will rearm */	4523	/* remove this watcher, if others are watching it, they will rearm */
4164	inotify_rm_watch (fs_fd, wd);	4524	inotify_rm_watch (fs_fd, wd);
4165	}	4525	}
4166		4526
4167	static void noinline	4527	ecb_noinline
		4528	static void
4168	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4529	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4169	{	4530	{
4170	if (slot < 0)	4531	if (slot < 0)
4171	/* overflow, need to check for all hash slots */	4532	/* overflow, need to check for all hash slots */
4172	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4533	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4208	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4569	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4209	ofs += sizeof (struct inotify_event) + ev->len;	4570	ofs += sizeof (struct inotify_event) + ev->len;
4210	}	4571	}
4211	}	4572	}
4212		4573
4213	inline_size void ecb_cold	4574	inline_size ecb_cold
		4575	void
4214	ev_check_2625 (EV_P)	4576	ev_check_2625 (EV_P)
4215	{	4577	{
4216	/* kernels < 2.6.25 are borked	4578	/* kernels < 2.6.25 are borked
4217	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4579	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4218	*/	4580	*/
…		…
4308	#else	4670	#else
4309	# define EV_LSTAT(p,b) lstat (p, b)	4671	# define EV_LSTAT(p,b) lstat (p, b)
4310	#endif	4672	#endif
4311		4673
4312	void	4674	void
4313	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4675	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4314	{	4676	{
4315	if (lstat (w->path, &w->attr) < 0)	4677	if (lstat (w->path, &w->attr) < 0)
4316	w->attr.st_nlink = 0;	4678	w->attr.st_nlink = 0;
4317	else if (!w->attr.st_nlink)	4679	else if (!w->attr.st_nlink)
4318	w->attr.st_nlink = 1;	4680	w->attr.st_nlink = 1;
4319	}	4681	}
4320		4682
4321	static void noinline	4683	ecb_noinline
		4684	static void
4322	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4685	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4323	{	4686	{
4324	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4687	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4325		4688
4326	ev_statdata prev = w->attr;	4689	ev_statdata prev = w->attr;
…		…
4357	ev_feed_event (EV_A_ w, EV_STAT);	4720	ev_feed_event (EV_A_ w, EV_STAT);
4358	}	4721	}
4359	}	4722	}
4360		4723
4361	void	4724	void
4362	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4725	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4363	{	4726	{
4364	if (expect_false (ev_is_active (w)))	4727	if (ecb_expect_false (ev_is_active (w)))
4365	return;	4728	return;
4366		4729
4367	ev_stat_stat (EV_A_ w);	4730	ev_stat_stat (EV_A_ w);
4368		4731
4369	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4732	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4388		4751
4389	EV_FREQUENT_CHECK;	4752	EV_FREQUENT_CHECK;
4390	}	4753	}
4391		4754
4392	void	4755	void
4393	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4756	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4394	{	4757	{
4395	clear_pending (EV_A_ (W)w);	4758	clear_pending (EV_A_ (W)w);
4396	if (expect_false (!ev_is_active (w)))	4759	if (ecb_expect_false (!ev_is_active (w)))
4397	return;	4760	return;
4398		4761
4399	EV_FREQUENT_CHECK;	4762	EV_FREQUENT_CHECK;
4400		4763
4401	#if EV_USE_INOTIFY	4764	#if EV_USE_INOTIFY
…		…
4414	}	4777	}
4415	#endif	4778	#endif
4416		4779
4417	#if EV_IDLE_ENABLE	4780	#if EV_IDLE_ENABLE
4418	void	4781	void
4419	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4782	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4420	{	4783	{
4421	if (expect_false (ev_is_active (w)))	4784	if (ecb_expect_false (ev_is_active (w)))
4422	return;	4785	return;
4423		4786
4424	pri_adjust (EV_A_ (W)w);	4787	pri_adjust (EV_A_ (W)w);
4425		4788
4426	EV_FREQUENT_CHECK;	4789	EV_FREQUENT_CHECK;
…		…
4429	int active = ++idlecnt [ABSPRI (w)];	4792	int active = ++idlecnt [ABSPRI (w)];
4430		4793
4431	++idleall;	4794	++idleall;
4432	ev_start (EV_A_ (W)w, active);	4795	ev_start (EV_A_ (W)w, active);
4433		4796
4434	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4797	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4435	idles [ABSPRI (w)][active - 1] = w;	4798	idles [ABSPRI (w)][active - 1] = w;
4436	}	4799	}
4437		4800
4438	EV_FREQUENT_CHECK;	4801	EV_FREQUENT_CHECK;
4439	}	4802	}
4440		4803
4441	void	4804	void
4442	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4805	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4443	{	4806	{
4444	clear_pending (EV_A_ (W)w);	4807	clear_pending (EV_A_ (W)w);
4445	if (expect_false (!ev_is_active (w)))	4808	if (ecb_expect_false (!ev_is_active (w)))
4446	return;	4809	return;
4447		4810
4448	EV_FREQUENT_CHECK;	4811	EV_FREQUENT_CHECK;
4449		4812
4450	{	4813	{
…		…
4461	}	4824	}
4462	#endif	4825	#endif
4463		4826
4464	#if EV_PREPARE_ENABLE	4827	#if EV_PREPARE_ENABLE
4465	void	4828	void
4466	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4829	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4467	{	4830	{
4468	if (expect_false (ev_is_active (w)))	4831	if (ecb_expect_false (ev_is_active (w)))
4469	return;	4832	return;
4470		4833
4471	EV_FREQUENT_CHECK;	4834	EV_FREQUENT_CHECK;
4472		4835
4473	ev_start (EV_A_ (W)w, ++preparecnt);	4836	ev_start (EV_A_ (W)w, ++preparecnt);
4474	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4837	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4475	prepares [preparecnt - 1] = w;	4838	prepares [preparecnt - 1] = w;
4476		4839
4477	EV_FREQUENT_CHECK;	4840	EV_FREQUENT_CHECK;
4478	}	4841	}
4479		4842
4480	void	4843	void
4481	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4844	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4482	{	4845	{
4483	clear_pending (EV_A_ (W)w);	4846	clear_pending (EV_A_ (W)w);
4484	if (expect_false (!ev_is_active (w)))	4847	if (ecb_expect_false (!ev_is_active (w)))
4485	return;	4848	return;
4486		4849
4487	EV_FREQUENT_CHECK;	4850	EV_FREQUENT_CHECK;
4488		4851
4489	{	4852	{
…		…
4499	}	4862	}
4500	#endif	4863	#endif
4501		4864
4502	#if EV_CHECK_ENABLE	4865	#if EV_CHECK_ENABLE
4503	void	4866	void
4504	ev_check_start (EV_P_ ev_check *w) EV_THROW	4867	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4505	{	4868	{
4506	if (expect_false (ev_is_active (w)))	4869	if (ecb_expect_false (ev_is_active (w)))
4507	return;	4870	return;
4508		4871
4509	EV_FREQUENT_CHECK;	4872	EV_FREQUENT_CHECK;
4510		4873
4511	ev_start (EV_A_ (W)w, ++checkcnt);	4874	ev_start (EV_A_ (W)w, ++checkcnt);
4512	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4875	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4513	checks [checkcnt - 1] = w;	4876	checks [checkcnt - 1] = w;
4514		4877
4515	EV_FREQUENT_CHECK;	4878	EV_FREQUENT_CHECK;
4516	}	4879	}
4517		4880
4518	void	4881	void
4519	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4882	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4520	{	4883	{
4521	clear_pending (EV_A_ (W)w);	4884	clear_pending (EV_A_ (W)w);
4522	if (expect_false (!ev_is_active (w)))	4885	if (ecb_expect_false (!ev_is_active (w)))
4523	return;	4886	return;
4524		4887
4525	EV_FREQUENT_CHECK;	4888	EV_FREQUENT_CHECK;
4526		4889
4527	{	4890	{
…		…
4536	EV_FREQUENT_CHECK;	4899	EV_FREQUENT_CHECK;
4537	}	4900	}
4538	#endif	4901	#endif
4539		4902
4540	#if EV_EMBED_ENABLE	4903	#if EV_EMBED_ENABLE
4541	void noinline	4904	ecb_noinline
		4905	void
4542	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4906	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4543	{	4907	{
4544	ev_run (w->other, EVRUN_NOWAIT);	4908	ev_run (w->other, EVRUN_NOWAIT);
4545	}	4909	}
4546		4910
4547	static void	4911	static void
…		…
4595	ev_idle_stop (EV_A_ idle);	4959	ev_idle_stop (EV_A_ idle);
4596	}	4960	}
4597	#endif	4961	#endif
4598		4962
4599	void	4963	void
4600	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4964	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4601	{	4965	{
4602	if (expect_false (ev_is_active (w)))	4966	if (ecb_expect_false (ev_is_active (w)))
4603	return;	4967	return;
4604		4968
4605	{	4969	{
4606	EV_P = w->other;	4970	EV_P = w->other;
4607	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	4971	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4626		4990
4627	EV_FREQUENT_CHECK;	4991	EV_FREQUENT_CHECK;
4628	}	4992	}
4629		4993
4630	void	4994	void
4631	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4995	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4632	{	4996	{
4633	clear_pending (EV_A_ (W)w);	4997	clear_pending (EV_A_ (W)w);
4634	if (expect_false (!ev_is_active (w)))	4998	if (ecb_expect_false (!ev_is_active (w)))
4635	return;	4999	return;
4636		5000
4637	EV_FREQUENT_CHECK;	5001	EV_FREQUENT_CHECK;
4638		5002
4639	ev_io_stop (EV_A_ &w->io);	5003	ev_io_stop (EV_A_ &w->io);
…		…
4646	}	5010	}
4647	#endif	5011	#endif
4648		5012
4649	#if EV_FORK_ENABLE	5013	#if EV_FORK_ENABLE
4650	void	5014	void
4651	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	5015	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4652	{	5016	{
4653	if (expect_false (ev_is_active (w)))	5017	if (ecb_expect_false (ev_is_active (w)))
4654	return;	5018	return;
4655		5019
4656	EV_FREQUENT_CHECK;	5020	EV_FREQUENT_CHECK;
4657		5021
4658	ev_start (EV_A_ (W)w, ++forkcnt);	5022	ev_start (EV_A_ (W)w, ++forkcnt);
4659	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	5023	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4660	forks [forkcnt - 1] = w;	5024	forks [forkcnt - 1] = w;
4661		5025
4662	EV_FREQUENT_CHECK;	5026	EV_FREQUENT_CHECK;
4663	}	5027	}
4664		5028
4665	void	5029	void
4666	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	5030	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4667	{	5031	{
4668	clear_pending (EV_A_ (W)w);	5032	clear_pending (EV_A_ (W)w);
4669	if (expect_false (!ev_is_active (w)))	5033	if (ecb_expect_false (!ev_is_active (w)))
4670	return;	5034	return;
4671		5035
4672	EV_FREQUENT_CHECK;	5036	EV_FREQUENT_CHECK;
4673		5037
4674	{	5038	{
…		…
4684	}	5048	}
4685	#endif	5049	#endif
4686		5050
4687	#if EV_CLEANUP_ENABLE	5051	#if EV_CLEANUP_ENABLE
4688	void	5052	void
4689	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	5053	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4690	{	5054	{
4691	if (expect_false (ev_is_active (w)))	5055	if (ecb_expect_false (ev_is_active (w)))
4692	return;	5056	return;
4693		5057
4694	EV_FREQUENT_CHECK;	5058	EV_FREQUENT_CHECK;
4695		5059
4696	ev_start (EV_A_ (W)w, ++cleanupcnt);	5060	ev_start (EV_A_ (W)w, ++cleanupcnt);
4697	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	5061	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4698	cleanups [cleanupcnt - 1] = w;	5062	cleanups [cleanupcnt - 1] = w;
4699		5063
4700	/* cleanup watchers should never keep a refcount on the loop */	5064	/* cleanup watchers should never keep a refcount on the loop */
4701	ev_unref (EV_A);	5065	ev_unref (EV_A);
4702	EV_FREQUENT_CHECK;	5066	EV_FREQUENT_CHECK;
4703	}	5067	}
4704		5068
4705	void	5069	void
4706	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	5070	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4707	{	5071	{
4708	clear_pending (EV_A_ (W)w);	5072	clear_pending (EV_A_ (W)w);
4709	if (expect_false (!ev_is_active (w)))	5073	if (ecb_expect_false (!ev_is_active (w)))
4710	return;	5074	return;
4711		5075
4712	EV_FREQUENT_CHECK;	5076	EV_FREQUENT_CHECK;
4713	ev_ref (EV_A);	5077	ev_ref (EV_A);
4714		5078
…		…
4725	}	5089	}
4726	#endif	5090	#endif
4727		5091
4728	#if EV_ASYNC_ENABLE	5092	#if EV_ASYNC_ENABLE
4729	void	5093	void
4730	ev_async_start (EV_P_ ev_async *w) EV_THROW	5094	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4731	{	5095	{
4732	if (expect_false (ev_is_active (w)))	5096	if (ecb_expect_false (ev_is_active (w)))
4733	return;	5097	return;
4734		5098
4735	w->sent = 0;	5099	w->sent = 0;
4736		5100
4737	evpipe_init (EV_A);	5101	evpipe_init (EV_A);
4738		5102
4739	EV_FREQUENT_CHECK;	5103	EV_FREQUENT_CHECK;
4740		5104
4741	ev_start (EV_A_ (W)w, ++asynccnt);	5105	ev_start (EV_A_ (W)w, ++asynccnt);
4742	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	5106	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4743	asyncs [asynccnt - 1] = w;	5107	asyncs [asynccnt - 1] = w;
4744		5108
4745	EV_FREQUENT_CHECK;	5109	EV_FREQUENT_CHECK;
4746	}	5110	}
4747		5111
4748	void	5112	void
4749	ev_async_stop (EV_P_ ev_async *w) EV_THROW	5113	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4750	{	5114	{
4751	clear_pending (EV_A_ (W)w);	5115	clear_pending (EV_A_ (W)w);
4752	if (expect_false (!ev_is_active (w)))	5116	if (ecb_expect_false (!ev_is_active (w)))
4753	return;	5117	return;
4754		5118
4755	EV_FREQUENT_CHECK;	5119	EV_FREQUENT_CHECK;
4756		5120
4757	{	5121	{
…		…
4765		5129
4766	EV_FREQUENT_CHECK;	5130	EV_FREQUENT_CHECK;
4767	}	5131	}
4768		5132
4769	void	5133	void
4770	ev_async_send (EV_P_ ev_async *w) EV_THROW	5134	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4771	{	5135	{
4772	w->sent = 1;	5136	w->sent = 1;
4773	evpipe_write (EV_A_ &async_pending);	5137	evpipe_write (EV_A_ &async_pending);
4774	}	5138	}
4775	#endif	5139	#endif
…		…
4812		5176
4813	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5177	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4814	}	5178	}
4815		5179
4816	void	5180	void
4817	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5181	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4818	{	5182	{
4819	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5183	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4820
4821	if (expect_false (!once))
4822	{
4823	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4824	return;
4825	}
4826		5184
4827	once->cb = cb;	5185	once->cb = cb;
4828	once->arg = arg;	5186	once->arg = arg;
4829		5187
4830	ev_init (&once->io, once_cb_io);	5188	ev_init (&once->io, once_cb_io);
…		…
4843	}	5201	}
4844		5202
4845	/*****************************************************************************/	5203	/*****************************************************************************/
4846		5204
4847	#if EV_WALK_ENABLE	5205	#if EV_WALK_ENABLE
4848	void ecb_cold	5206	ecb_cold
		5207	void
4849	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5208	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4850	{	5209	{
4851	int i, j;	5210	int i, j;
4852	ev_watcher_list *wl, *wn;	5211	ev_watcher_list *wl, *wn;
4853		5212
4854	if (types & (EV_IO | EV_EMBED))	5213	if (types & (EV_IO | EV_EMBED))

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