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Comparing libev/ev.c (file contents):
Revision 1.381 by root, Mon Jun 27 21:29:35 2011 UTC vs.
Revision 1.429 by root, Tue May 8 15:50:49 2012 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
59	# endif	59	# endif
60	# ifndef EV_USE_MONOTONIC	60	# ifndef EV_USE_MONOTONIC
61	# define EV_USE_MONOTONIC 1	61	# define EV_USE_MONOTONIC 1
62	# endif	62	# endif
63	# endif	63	# endif
64	# elif !defined(EV_USE_CLOCK_SYSCALL)	64	# elif !defined EV_USE_CLOCK_SYSCALL
65	# define EV_USE_CLOCK_SYSCALL 0	65	# define EV_USE_CLOCK_SYSCALL 0
66	# endif	66	# endif
67		67
68	# if HAVE_CLOCK_GETTIME	68	# if HAVE_CLOCK_GETTIME
69	# ifndef EV_USE_MONOTONIC	69	# ifndef EV_USE_MONOTONIC
…		…
183	# include EV_H	183	# include EV_H
184	#else	184	#else
185	# include "ev.h"	185	# include "ev.h"
186	#endif	186	#endif
187		187
188	EV_CPP(extern "C" {)	188	#if EV_NO_THREADS
		189	# undef EV_NO_SMP
		190	# define EV_NO_SMP 1
		191	# undef ECB_NO_THREADS
		192	# define ECB_NO_THREADS 1
		193	#endif
		194	#if EV_NO_SMP
		195	# undef EV_NO_SMP
		196	# define ECB_NO_SMP 1
		197	#endif
189		198
190	#ifndef _WIN32	199	#ifndef _WIN32
191	# include <sys/time.h>	200	# include <sys/time.h>
192	# include <sys/wait.h>	201	# include <sys/wait.h>
193	# include <unistd.h>	202	# include <unistd.h>
194	#else	203	#else
195	# include <io.h>	204	# include <io.h>
196	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
197	# include <windows.h>	206	# include <windows.h>
		207	# include <winsock2.h>
198	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
199	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
200	# endif	210	# endif
201	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
202	#endif	212	#endif
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
211		221
212	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
213		223
214	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	225	#if defined EV_NSIG
216	/* use what's provided */	226	/* use what's provided */
217	#elif defined (NSIG)	227	#elif defined NSIG
218	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	229	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	231	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	237	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	245	#else
236	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
237	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	261	# endif
252	#endif	262	#endif
253		263
254	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	267	# else
258	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
259	# endif	269	# endif
260	#endif	270	#endif
…		…
350	#endif	360	#endif
351		361
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	362	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
353	/* which makes programs even slower. might work on other unices, too. */	363	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	364	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	365	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	366	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	367	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	368	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	369	# define EV_USE_MONOTONIC 1
360	# else	370	# else
…		…
386	# define EV_USE_INOTIFY 0	396	# define EV_USE_INOTIFY 0
387	#endif	397	#endif
388		398
389	#if !EV_USE_NANOSLEEP	399	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	400	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	401	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	402	# include <sys/select.h>
393	# endif	403	# endif
394	#endif	404	#endif
395		405
396	#if EV_USE_INOTIFY	406	#if EV_USE_INOTIFY
…		…
464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	474	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465		475
466	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	476	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
467	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)	477	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468		478
469	/* the following are taken from libecb */	479	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ecb.h start */	480	/* ECB.H BEGIN */
		481	/*
		482	* libecb - http://software.schmorp.de/pkg/libecb
		483	*
		484	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
		485	* Copyright (©) 2011 Emanuele Giaquinta
		486	* All rights reserved.
		487	*
		488	* Redistribution and use in source and binary forms, with or without modifica-
		489	* tion, are permitted provided that the following conditions are met:
		490	*
		491	* 1. Redistributions of source code must retain the above copyright notice,
		492	* this list of conditions and the following disclaimer.
		493	*
		494	* 2. Redistributions in binary form must reproduce the above copyright
		495	* notice, this list of conditions and the following disclaimer in the
		496	* documentation and/or other materials provided with the distribution.
		497	*
		498	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
		499	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
		500	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
		501	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
		502	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		503	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		504	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		505	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		506	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		507	* OF THE POSSIBILITY OF SUCH DAMAGE.
		508	*/
		509
		510	#ifndef ECB_H
		511	#define ECB_H
		512
		513	#ifdef _WIN32
		514	typedef signed char int8_t;
		515	typedef unsigned char uint8_t;
		516	typedef signed short int16_t;
		517	typedef unsigned short uint16_t;
		518	typedef signed int int32_t;
		519	typedef unsigned int uint32_t;
		520	#if __GNUC__
		521	typedef signed long long int64_t;
		522	typedef unsigned long long uint64_t;
		523	#else /* _MSC_VER || __BORLANDC__ */
		524	typedef signed __int64 int64_t;
		525	typedef unsigned __int64 uint64_t;
		526	#endif
		527	#else
		528	#include <inttypes.h>
		529	#endif
471		530
472	/* many compilers define _GNUC_ to some versions but then only implement	531	/* many compilers define _GNUC_ to some versions but then only implement
473	* what their idiot authors think are the "more important" extensions,	532	* what their idiot authors think are the "more important" extensions,
474	* causing enourmous grief in return for some better fake benchmark numbers.	533	* causing enormous grief in return for some better fake benchmark numbers.
475	* or so.	534	* or so.
476	* we try to detect these and simply assume they are not gcc - if they have	535	* we try to detect these and simply assume they are not gcc - if they have
477	* an issue with that they should have done it right in the first place.	536	* an issue with that they should have done it right in the first place.
478	*/	537	*/
479	#ifndef ECB_GCC_VERSION	538	#ifndef ECB_GCC_VERSION
480	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	539	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
481	#define ECB_GCC_VERSION(major,minor) 0	540	#define ECB_GCC_VERSION(major,minor) 0
482	#else	541	#else
483	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	542	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
484	#endif	543	#endif
485	#endif	544	#endif
		545
		546	/*****************************************************************************/
		547
		548	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		549	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		550
		551	#if ECB_NO_THREADS
		552	# define ECB_NO_SMP 1
		553	#endif
		554
		555	#if ECB_NO_THREADS || ECB_NO_SMP
		556	#define ECB_MEMORY_FENCE do { } while (0)
		557	#endif
		558
		559	#ifndef ECB_MEMORY_FENCE
		560	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		561	#if __i386 || __i386__
		562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		563	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
		564	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
		565	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
		566	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		567	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
		568	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
		569	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		570	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		571	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		572	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		573	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		574	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		575	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		576	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		577	#elif __sparc || __sparc__
		578	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
		579	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		580	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		581	#elif defined __s390__ || defined __s390x__
		582	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		583	#elif defined __mips__
		584	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		585	#elif defined __alpha__
		586	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		587	#endif
		588	#endif
		589	#endif
		590
		591	#ifndef ECB_MEMORY_FENCE
		592	#if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
		593	#define ECB_MEMORY_FENCE __sync_synchronize ()
		594	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
		595	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
		596	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		597	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		598	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		599	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		600	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		601	#elif defined _WIN32
		602	#include <WinNT.h>
		603	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		604	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		605	#include <mbarrier.h>
		606	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		607	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		608	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		609	#elif __xlC__
		610	#define ECB_MEMORY_FENCE __sync ()
		611	#endif
		612	#endif
		613
		614	#ifndef ECB_MEMORY_FENCE
		615	#if !ECB_AVOID_PTHREADS
		616	/*
		617	* if you get undefined symbol references to pthread_mutex_lock,
		618	* or failure to find pthread.h, then you should implement
		619	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		620	* OR provide pthread.h and link against the posix thread library
		621	* of your system.
		622	*/
		623	#include <pthread.h>
		624	#define ECB_NEEDS_PTHREADS 1
		625	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		626
		627	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		628	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		629	#endif
		630	#endif
		631
		632	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
		633	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		634	#endif
		635
		636	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
		637	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		638	#endif
		639
		640	/*****************************************************************************/
		641
		642	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
486		643
487	#if __cplusplus	644	#if __cplusplus
488	#define ecb_inline static inline	645	#define ecb_inline static inline
489	#elif ECB_GCC_VERSION(2,5)	646	#elif ECB_GCC_VERSION(2,5)
490	#define ecb_inline static __inline__	647	#define ecb_inline static __inline__
491	#elif ECB_C99	648	#elif ECB_C99
492	#define ecb_inline static inline	649	#define ecb_inline static inline
493	#else	650	#else
494	#define ecb_inline static	651	#define ecb_inline static
495	#endif	652	#endif
		653
		654	#if ECB_GCC_VERSION(3,3)
		655	#define ecb_restrict __restrict__
		656	#elif ECB_C99
		657	#define ecb_restrict restrict
		658	#else
		659	#define ecb_restrict
		660	#endif
		661
		662	typedef int ecb_bool;
		663
		664	#define ECB_CONCAT_(a, b) a ## b
		665	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
		666	#define ECB_STRINGIFY_(a) # a
		667	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		668
		669	#define ecb_function_ ecb_inline
496		670
497	#if ECB_GCC_VERSION(3,1)	671	#if ECB_GCC_VERSION(3,1)
498	#define ecb_attribute(attrlist) __attribute__(attrlist)	672	#define ecb_attribute(attrlist) __attribute__(attrlist)
499	#define ecb_is_constant(expr) __builtin_constant_p (expr)	673	#define ecb_is_constant(expr) __builtin_constant_p (expr)
500	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	674	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
…		…
504	#define ecb_is_constant(expr) 0	678	#define ecb_is_constant(expr) 0
505	#define ecb_expect(expr,value) (expr)	679	#define ecb_expect(expr,value) (expr)
506	#define ecb_prefetch(addr,rw,locality)	680	#define ecb_prefetch(addr,rw,locality)
507	#endif	681	#endif
508		682
		683	/* no emulation for ecb_decltype */
		684	#if ECB_GCC_VERSION(4,5)
		685	#define ecb_decltype(x) __decltype(x)
		686	#elif ECB_GCC_VERSION(3,0)
		687	#define ecb_decltype(x) __typeof(x)
		688	#endif
		689
509	#define ecb_noinline ecb_attribute ((__noinline__))	690	#define ecb_noinline ecb_attribute ((__noinline__))
510	#define ecb_noreturn ecb_attribute ((__noreturn__))	691	#define ecb_noreturn ecb_attribute ((__noreturn__))
511	#define ecb_unused ecb_attribute ((__unused__))	692	#define ecb_unused ecb_attribute ((__unused__))
512	#define ecb_const ecb_attribute ((__const__))	693	#define ecb_const ecb_attribute ((__const__))
513	#define ecb_pure ecb_attribute ((__pure__))	694	#define ecb_pure ecb_attribute ((__pure__))
…		…
525	/* put around conditional expressions if you are very sure that the */	706	/* put around conditional expressions if you are very sure that the */
526	/* expression is mostly true or mostly false. note that these return */	707	/* expression is mostly true or mostly false. note that these return */
527	/* booleans, not the expression. */	708	/* booleans, not the expression. */
528	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)	709	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
529	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)	710	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
530	/* ecb.h end */	711	/* for compatibility to the rest of the world */
		712	#define ecb_likely(expr) ecb_expect_true (expr)
		713	#define ecb_unlikely(expr) ecb_expect_false (expr)
		714
		715	/* count trailing zero bits and count # of one bits */
		716	#if ECB_GCC_VERSION(3,4)
		717	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
		718	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		719	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		720	#define ecb_ctz32(x) __builtin_ctz (x)
		721	#define ecb_ctz64(x) __builtin_ctzll (x)
		722	#define ecb_popcount32(x) __builtin_popcount (x)
		723	/* no popcountll */
		724	#else
		725	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
		726	ecb_function_ int
		727	ecb_ctz32 (uint32_t x)
		728	{
		729	int r = 0;
		730
		731	x &= ~x + 1; /* this isolates the lowest bit */
		732
		733	#if ECB_branchless_on_i386
		734	r += !!(x & 0xaaaaaaaa) << 0;
		735	r += !!(x & 0xcccccccc) << 1;
		736	r += !!(x & 0xf0f0f0f0) << 2;
		737	r += !!(x & 0xff00ff00) << 3;
		738	r += !!(x & 0xffff0000) << 4;
		739	#else
		740	if (x & 0xaaaaaaaa) r += 1;
		741	if (x & 0xcccccccc) r += 2;
		742	if (x & 0xf0f0f0f0) r += 4;
		743	if (x & 0xff00ff00) r += 8;
		744	if (x & 0xffff0000) r += 16;
		745	#endif
		746
		747	return r;
		748	}
		749
		750	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
		751	ecb_function_ int
		752	ecb_ctz64 (uint64_t x)
		753	{
		754	int shift = x & 0xffffffffU ? 0 : 32;
		755	return ecb_ctz32 (x >> shift) + shift;
		756	}
		757
		758	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
		759	ecb_function_ int
		760	ecb_popcount32 (uint32_t x)
		761	{
		762	x -= (x >> 1) & 0x55555555;
		763	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		764	x = ((x >> 4) + x) & 0x0f0f0f0f;
		765	x *= 0x01010101;
		766
		767	return x >> 24;
		768	}
		769
		770	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
		771	ecb_function_ int ecb_ld32 (uint32_t x)
		772	{
		773	int r = 0;
		774
		775	if (x >> 16) { x >>= 16; r += 16; }
		776	if (x >> 8) { x >>= 8; r += 8; }
		777	if (x >> 4) { x >>= 4; r += 4; }
		778	if (x >> 2) { x >>= 2; r += 2; }
		779	if (x >> 1) { r += 1; }
		780
		781	return r;
		782	}
		783
		784	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
		785	ecb_function_ int ecb_ld64 (uint64_t x)
		786	{
		787	int r = 0;
		788
		789	if (x >> 32) { x >>= 32; r += 32; }
		790
		791	return r + ecb_ld32 (x);
		792	}
		793	#endif
		794
		795	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		796	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		797	{
		798	return ( (x * 0x0802U & 0x22110U)
		799	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		800	}
		801
		802	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		803	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		804	{
		805	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		806	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		807	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		808	x = ( x >> 8 ) | ( x << 8);
		809
		810	return x;
		811	}
		812
		813	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		814	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		815	{
		816	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		817	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		818	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		819	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		820	x = ( x >> 16 ) | ( x << 16);
		821
		822	return x;
		823	}
		824
		825	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		826	/* so for this version we are lazy */
		827	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
		828	ecb_function_ int
		829	ecb_popcount64 (uint64_t x)
		830	{
		831	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
		832	}
		833
		834	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
		835	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
		836	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
		837	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
		838	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
		839	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
		840	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
		841	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
		842
		843	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
		844	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
		845	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
		846	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
		847	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
		848	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
		849	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
		850	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
		851
		852	#if ECB_GCC_VERSION(4,3)
		853	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		854	#define ecb_bswap32(x) __builtin_bswap32 (x)
		855	#define ecb_bswap64(x) __builtin_bswap64 (x)
		856	#else
		857	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
		858	ecb_function_ uint16_t
		859	ecb_bswap16 (uint16_t x)
		860	{
		861	return ecb_rotl16 (x, 8);
		862	}
		863
		864	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
		865	ecb_function_ uint32_t
		866	ecb_bswap32 (uint32_t x)
		867	{
		868	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
		869	}
		870
		871	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
		872	ecb_function_ uint64_t
		873	ecb_bswap64 (uint64_t x)
		874	{
		875	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
		876	}
		877	#endif
		878
		879	#if ECB_GCC_VERSION(4,5)
		880	#define ecb_unreachable() __builtin_unreachable ()
		881	#else
		882	/* this seems to work fine, but gcc always emits a warning for it :/ */
		883	ecb_inline void ecb_unreachable (void) ecb_noreturn;
		884	ecb_inline void ecb_unreachable (void) { }
		885	#endif
		886
		887	/* try to tell the compiler that some condition is definitely true */
		888	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
		889
		890	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
		891	ecb_inline unsigned char
		892	ecb_byteorder_helper (void)
		893	{
		894	const uint32_t u = 0x11223344;
		895	return *(unsigned char *)&u;
		896	}
		897
		898	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
		899	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		900	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
		901	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		902
		903	#if ECB_GCC_VERSION(3,0) || ECB_C99
		904	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		905	#else
		906	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		907	#endif
		908
		909	#if __cplusplus
		910	template<typename T>
		911	static inline T ecb_div_rd (T val, T div)
		912	{
		913	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		914	}
		915	template<typename T>
		916	static inline T ecb_div_ru (T val, T div)
		917	{
		918	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		919	}
		920	#else
		921	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		922	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
		923	#endif
		924
		925	#if ecb_cplusplus_does_not_suck
		926	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
		927	template<typename T, int N>
		928	static inline int ecb_array_length (const T (&arr)[N])
		929	{
		930	return N;
		931	}
		932	#else
		933	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
		934	#endif
		935
		936	#endif
		937
		938	/* ECB.H END */
		939
		940	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		941	/* if your architecture doesn't need memory fences, e.g. because it is
		942	* single-cpu/core, or if you use libev in a project that doesn't use libev
		943	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		944	* libev, in which cases the memory fences become nops.
		945	* alternatively, you can remove this #error and link against libpthread,
		946	* which will then provide the memory fences.
		947	*/
		948	# error "memory fences not defined for your architecture, please report"
		949	#endif
		950
		951	#ifndef ECB_MEMORY_FENCE
		952	# define ECB_MEMORY_FENCE do { } while (0)
		953	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		954	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		955	#endif
531		956
532	#define expect_false(cond) ecb_expect_false (cond)	957	#define expect_false(cond) ecb_expect_false (cond)
533	#define expect_true(cond) ecb_expect_true (cond)	958	#define expect_true(cond) ecb_expect_true (cond)
534	#define noinline ecb_noinline	959	#define noinline ecb_noinline
535		960
…		…
681	{	1106	{
682	write (STDERR_FILENO, msg, strlen (msg));	1107	write (STDERR_FILENO, msg, strlen (msg));
683	}	1108	}
684	#endif	1109	#endif
685		1110
686	static void (*syserr_cb)(const char *msg);	1111	static void (*syserr_cb)(const char *msg) EV_THROW;
687		1112
688	void ecb_cold	1113	void ecb_cold
689	ev_set_syserr_cb (void (*cb)(const char *msg))	1114	ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
690	{	1115	{
691	syserr_cb = cb;	1116	syserr_cb = cb;
692	}	1117	}
693		1118
694	static void noinline ecb_cold	1119	static void noinline ecb_cold
…		…
730	free (ptr);	1155	free (ptr);
731	return 0;	1156	return 0;
732	#endif	1157	#endif
733	}	1158	}
734		1159
735	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1160	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
736		1161
737	void ecb_cold	1162	void ecb_cold
738	ev_set_allocator (void *(*cb)(void *ptr, long size))	1163	ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
739	{	1164	{
740	alloc = cb;	1165	alloc = cb;
741	}	1166	}
742		1167
743	inline_speed void *	1168	inline_speed void *
…		…
831	#undef VAR	1256	#undef VAR
832	};	1257	};
833	#include "ev_wrap.h"	1258	#include "ev_wrap.h"
834		1259
835	static struct ev_loop default_loop_struct;	1260	static struct ev_loop default_loop_struct;
836	struct ev_loop *ev_default_loop_ptr;	1261	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
837		1262
838	#else	1263	#else
839		1264
840	ev_tstamp ev_rt_now;	1265	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
841	#define VAR(name,decl) static decl;	1266	#define VAR(name,decl) static decl;
842	#include "ev_vars.h"	1267	#include "ev_vars.h"
843	#undef VAR	1268	#undef VAR
844		1269
845	static int ev_default_loop_ptr;	1270	static int ev_default_loop_ptr;
…		…
860		1285
861	/*****************************************************************************/	1286	/*****************************************************************************/
862		1287
863	#ifndef EV_HAVE_EV_TIME	1288	#ifndef EV_HAVE_EV_TIME
864	ev_tstamp	1289	ev_tstamp
865	ev_time (void)	1290	ev_time (void) EV_THROW
866	{	1291	{
867	#if EV_USE_REALTIME	1292	#if EV_USE_REALTIME
868	if (expect_true (have_realtime))	1293	if (expect_true (have_realtime))
869	{	1294	{
870	struct timespec ts;	1295	struct timespec ts;
…		…
894	return ev_time ();	1319	return ev_time ();
895	}	1320	}
896		1321
897	#if EV_MULTIPLICITY	1322	#if EV_MULTIPLICITY
898	ev_tstamp	1323	ev_tstamp
899	ev_now (EV_P)	1324	ev_now (EV_P) EV_THROW
900	{	1325	{
901	return ev_rt_now;	1326	return ev_rt_now;
902	}	1327	}
903	#endif	1328	#endif
904		1329
905	void	1330	void
906	ev_sleep (ev_tstamp delay)	1331	ev_sleep (ev_tstamp delay) EV_THROW
907	{	1332	{
908	if (delay > 0.)	1333	if (delay > 0.)
909	{	1334	{
910	#if EV_USE_NANOSLEEP	1335	#if EV_USE_NANOSLEEP
911	struct timespec ts;	1336	struct timespec ts;
912		1337
913	EV_TS_SET (ts, delay);	1338	EV_TS_SET (ts, delay);
914	nanosleep (&ts, 0);	1339	nanosleep (&ts, 0);
915	#elif defined(_WIN32)	1340	#elif defined _WIN32
916	Sleep ((unsigned long)(delay * 1e3));	1341	Sleep ((unsigned long)(delay * 1e3));
917	#else	1342	#else
918	struct timeval tv;	1343	struct timeval tv;
919		1344
920	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1345	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
939		1364
940	do	1365	do
941	ncur <<= 1;	1366	ncur <<= 1;
942	while (cnt > ncur);	1367	while (cnt > ncur);
943		1368
944	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1369	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
945	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1370	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
946	{	1371	{
947	ncur *= elem;	1372	ncur *= elem;
948	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1373	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
949	ncur = ncur - sizeof (void *) * 4;	1374	ncur = ncur - sizeof (void *) * 4;
…		…
964	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1389	memset ((void *)(base), 0, sizeof (*(base)) * (count))
965		1390
966	#define array_needsize(type,base,cur,cnt,init) \	1391	#define array_needsize(type,base,cur,cnt,init) \
967	if (expect_false ((cnt) > (cur))) \	1392	if (expect_false ((cnt) > (cur))) \
968	{ \	1393	{ \
969	int ocur_ = (cur); \	1394	int ecb_unused ocur_ = (cur); \
970	(base) = (type *)array_realloc \	1395	(base) = (type *)array_realloc \
971	(sizeof (type), (base), &(cur), (cnt)); \	1396	(sizeof (type), (base), &(cur), (cnt)); \
972	init ((base) + (ocur_), (cur) - ocur_); \	1397	init ((base) + (ocur_), (cur) - ocur_); \
973	}	1398	}
974		1399
…		…
992	pendingcb (EV_P_ ev_prepare *w, int revents)	1417	pendingcb (EV_P_ ev_prepare *w, int revents)
993	{	1418	{
994	}	1419	}
995		1420
996	void noinline	1421	void noinline
997	ev_feed_event (EV_P_ void *w, int revents)	1422	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
998	{	1423	{
999	W w_ = (W)w;	1424	W w_ = (W)w;
1000	int pri = ABSPRI (w_);	1425	int pri = ABSPRI (w_);
1001		1426
1002	if (expect_false (w_->pending))	1427	if (expect_false (w_->pending))
…		…
1006	w_->pending = ++pendingcnt [pri];	1431	w_->pending = ++pendingcnt [pri];
1007	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1432	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1008	pendings [pri][w_->pending - 1].w = w_;	1433	pendings [pri][w_->pending - 1].w = w_;
1009	pendings [pri][w_->pending - 1].events = revents;	1434	pendings [pri][w_->pending - 1].events = revents;
1010	}	1435	}
		1436
		1437	pendingpri = NUMPRI - 1;
1011	}	1438	}
1012		1439
1013	inline_speed void	1440	inline_speed void
1014	feed_reverse (EV_P_ W w)	1441	feed_reverse (EV_P_ W w)
1015	{	1442	{
…		…
1061	if (expect_true (!anfd->reify))	1488	if (expect_true (!anfd->reify))
1062	fd_event_nocheck (EV_A_ fd, revents);	1489	fd_event_nocheck (EV_A_ fd, revents);
1063	}	1490	}
1064		1491
1065	void	1492	void
1066	ev_feed_fd_event (EV_P_ int fd, int revents)	1493	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1067	{	1494	{
1068	if (fd >= 0 && fd < anfdmax)	1495	if (fd >= 0 && fd < anfdmax)
1069	fd_event_nocheck (EV_A_ fd, revents);	1496	fd_event_nocheck (EV_A_ fd, revents);
1070	}	1497	}
1071		1498
…		…
1420	}	1847	}
1421		1848
1422	inline_speed void	1849	inline_speed void
1423	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1850	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1424	{	1851	{
1425	if (!*flag)	1852	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1426	{	1853
		1854	if (expect_true (*flag))
		1855	return;
		1856
1427	*flag = 1;	1857	*flag = 1;
1428		1858
		1859	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		1860
1429	pipe_write_skipped = 1;	1861	pipe_write_skipped = 1;
1430		1862
		1863	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		1864
1431	if (pipe_write_wanted)	1865	if (pipe_write_wanted)
		1866	{
		1867	int old_errno;
		1868
		1869	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
		1870
		1871	old_errno = errno; /* save errno because write will clobber it */
		1872
		1873	#if EV_USE_EVENTFD
		1874	if (evfd >= 0)
1432	{	1875	{
1433	int old_errno;
1434
1435	pipe_write_skipped = 0;
1436
1437	old_errno = errno; /* save errno because write will clobber it */
1438
1439	#if EV_USE_EVENTFD
1440	if (evfd >= 0)
1441	{
1442	uint64_t counter = 1;	1876	uint64_t counter = 1;
1443	write (evfd, &counter, sizeof (uint64_t));	1877	write (evfd, &counter, sizeof (uint64_t));
1444	}
1445	else
1446	#endif
1447	{
1448	/* win32 people keep sending patches that change this write() to send() */
1449	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1450	/* so when you think this write should be a send instead, please find out */
1451	/* where your send() is from - it's definitely not the microsoft send, and */
1452	/* tell me. thank you. */
1453	write (evpipe [1], &(evpipe [1]), 1);
1454	}
1455
1456	errno = old_errno;
1457	}	1878	}
		1879	else
		1880	#endif
		1881	{
		1882	#ifdef _WIN32
		1883	WSABUF buf;
		1884	DWORD sent;
		1885	buf.buf = &buf;
		1886	buf.len = 1;
		1887	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
		1888	#else
		1889	write (evpipe [1], &(evpipe [1]), 1);
		1890	#endif
		1891	}
		1892
		1893	errno = old_errno;
1458	}	1894	}
1459	}	1895	}
1460		1896
1461	/* called whenever the libev signal pipe */	1897	/* called whenever the libev signal pipe */
1462	/* got some events (signal, async) */	1898	/* got some events (signal, async) */
…		…
1474	read (evfd, &counter, sizeof (uint64_t));	1910	read (evfd, &counter, sizeof (uint64_t));
1475	}	1911	}
1476	else	1912	else
1477	#endif	1913	#endif
1478	{	1914	{
1479	char dummy;	1915	char dummy[4];
1480	/* see discussion in evpipe_write when you think this read should be recv in win32 */	1916	#ifdef _WIN32
		1917	WSABUF buf;
		1918	DWORD recvd;
		1919	buf.buf = dummy;
		1920	buf.len = sizeof (dummy);
		1921	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0);
		1922	#else
1481	read (evpipe [0], &dummy, 1);	1923	read (evpipe [0], &dummy, sizeof (dummy));
		1924	#endif
1482	}	1925	}
1483	}	1926	}
1484		1927
1485	pipe_write_skipped = 0;	1928	pipe_write_skipped = 0;
		1929
		1930	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1486		1931
1487	#if EV_SIGNAL_ENABLE	1932	#if EV_SIGNAL_ENABLE
1488	if (sig_pending)	1933	if (sig_pending)
1489	{	1934	{
1490	sig_pending = 0;	1935	sig_pending = 0;
		1936
		1937	ECB_MEMORY_FENCE_RELEASE;
1491		1938
1492	for (i = EV_NSIG - 1; i--; )	1939	for (i = EV_NSIG - 1; i--; )
1493	if (expect_false (signals [i].pending))	1940	if (expect_false (signals [i].pending))
1494	ev_feed_signal_event (EV_A_ i + 1);	1941	ev_feed_signal_event (EV_A_ i + 1);
1495	}	1942	}
…		…
1497		1944
1498	#if EV_ASYNC_ENABLE	1945	#if EV_ASYNC_ENABLE
1499	if (async_pending)	1946	if (async_pending)
1500	{	1947	{
1501	async_pending = 0;	1948	async_pending = 0;
		1949
		1950	ECB_MEMORY_FENCE_RELEASE;
1502		1951
1503	for (i = asynccnt; i--; )	1952	for (i = asynccnt; i--; )
1504	if (asyncs [i]->sent)	1953	if (asyncs [i]->sent)
1505	{	1954	{
1506	asyncs [i]->sent = 0;	1955	asyncs [i]->sent = 0;
…		…
1511	}	1960	}
1512		1961
1513	/*****************************************************************************/	1962	/*****************************************************************************/
1514		1963
1515	void	1964	void
1516	ev_feed_signal (int signum)	1965	ev_feed_signal (int signum) EV_THROW
1517	{	1966	{
1518	#if EV_MULTIPLICITY	1967	#if EV_MULTIPLICITY
1519	EV_P = signals [signum - 1].loop;	1968	EV_P = signals [signum - 1].loop;
1520		1969
1521	if (!EV_A)	1970	if (!EV_A)
…		…
1538		1987
1539	ev_feed_signal (signum);	1988	ev_feed_signal (signum);
1540	}	1989	}
1541		1990
1542	void noinline	1991	void noinline
1543	ev_feed_signal_event (EV_P_ int signum)	1992	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1544	{	1993	{
1545	WL w;	1994	WL w;
1546		1995
1547	if (expect_false (signum <= 0 || signum > EV_NSIG))	1996	if (expect_false (signum <= 0 || signum > EV_NSIG))
1548	return;	1997	return;
…		…
1664	#if EV_USE_SELECT	2113	#if EV_USE_SELECT
1665	# include "ev_select.c"	2114	# include "ev_select.c"
1666	#endif	2115	#endif
1667		2116
1668	int ecb_cold	2117	int ecb_cold
1669	ev_version_major (void)	2118	ev_version_major (void) EV_THROW
1670	{	2119	{
1671	return EV_VERSION_MAJOR;	2120	return EV_VERSION_MAJOR;
1672	}	2121	}
1673		2122
1674	int ecb_cold	2123	int ecb_cold
1675	ev_version_minor (void)	2124	ev_version_minor (void) EV_THROW
1676	{	2125	{
1677	return EV_VERSION_MINOR;	2126	return EV_VERSION_MINOR;
1678	}	2127	}
1679		2128
1680	/* return true if we are running with elevated privileges and should ignore env variables */	2129	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
1688	|| getgid () != getegid ();	2137	|| getgid () != getegid ();
1689	#endif	2138	#endif
1690	}	2139	}
1691		2140
1692	unsigned int ecb_cold	2141	unsigned int ecb_cold
1693	ev_supported_backends (void)	2142	ev_supported_backends (void) EV_THROW
1694	{	2143	{
1695	unsigned int flags = 0;	2144	unsigned int flags = 0;
1696		2145
1697	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2146	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1698	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2147	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
1702		2151
1703	return flags;	2152	return flags;
1704	}	2153	}
1705		2154
1706	unsigned int ecb_cold	2155	unsigned int ecb_cold
1707	ev_recommended_backends (void)	2156	ev_recommended_backends (void) EV_THROW
1708	{	2157	{
1709	unsigned int flags = ev_supported_backends ();	2158	unsigned int flags = ev_supported_backends ();
1710		2159
1711	#ifndef __NetBSD__	2160	#ifndef __NetBSD__
1712	/* kqueue is borked on everything but netbsd apparently */	2161	/* kqueue is borked on everything but netbsd apparently */
…		…
1724		2173
1725	return flags;	2174	return flags;
1726	}	2175	}
1727		2176
1728	unsigned int ecb_cold	2177	unsigned int ecb_cold
1729	ev_embeddable_backends (void)	2178	ev_embeddable_backends (void) EV_THROW
1730	{	2179	{
1731	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2180	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1732		2181
1733	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2182	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1734	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2183	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
1736		2185
1737	return flags;	2186	return flags;
1738	}	2187	}
1739		2188
1740	unsigned int	2189	unsigned int
1741	ev_backend (EV_P)	2190	ev_backend (EV_P) EV_THROW
1742	{	2191	{
1743	return backend;	2192	return backend;
1744	}	2193	}
1745		2194
1746	#if EV_FEATURE_API	2195	#if EV_FEATURE_API
1747	unsigned int	2196	unsigned int
1748	ev_iteration (EV_P)	2197	ev_iteration (EV_P) EV_THROW
1749	{	2198	{
1750	return loop_count;	2199	return loop_count;
1751	}	2200	}
1752		2201
1753	unsigned int	2202	unsigned int
1754	ev_depth (EV_P)	2203	ev_depth (EV_P) EV_THROW
1755	{	2204	{
1756	return loop_depth;	2205	return loop_depth;
1757	}	2206	}
1758		2207
1759	void	2208	void
1760	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2209	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1761	{	2210	{
1762	io_blocktime = interval;	2211	io_blocktime = interval;
1763	}	2212	}
1764		2213
1765	void	2214	void
1766	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2215	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1767	{	2216	{
1768	timeout_blocktime = interval;	2217	timeout_blocktime = interval;
1769	}	2218	}
1770		2219
1771	void	2220	void
1772	ev_set_userdata (EV_P_ void *data)	2221	ev_set_userdata (EV_P_ void *data) EV_THROW
1773	{	2222	{
1774	userdata = data;	2223	userdata = data;
1775	}	2224	}
1776		2225
1777	void *	2226	void *
1778	ev_userdata (EV_P)	2227	ev_userdata (EV_P) EV_THROW
1779	{	2228	{
1780	return userdata;	2229	return userdata;
1781	}	2230	}
1782		2231
1783	void	2232	void
1784	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2233	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
1785	{	2234	{
1786	invoke_cb = invoke_pending_cb;	2235	invoke_cb = invoke_pending_cb;
1787	}	2236	}
1788		2237
1789	void	2238	void
1790	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2239	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1791	{	2240	{
1792	release_cb = release;	2241	release_cb = release;
1793	acquire_cb = acquire;	2242	acquire_cb = acquire;
1794	}	2243	}
1795	#endif	2244	#endif
1796		2245
1797	/* initialise a loop structure, must be zero-initialised */	2246	/* initialise a loop structure, must be zero-initialised */
1798	static void noinline ecb_cold	2247	static void noinline ecb_cold
1799	loop_init (EV_P_ unsigned int flags)	2248	loop_init (EV_P_ unsigned int flags) EV_THROW
1800	{	2249	{
1801	if (!backend)	2250	if (!backend)
1802	{	2251	{
1803	origflags = flags;	2252	origflags = flags;
1804		2253
…		…
2057	}	2506	}
2058		2507
2059	#if EV_MULTIPLICITY	2508	#if EV_MULTIPLICITY
2060		2509
2061	struct ev_loop * ecb_cold	2510	struct ev_loop * ecb_cold
2062	ev_loop_new (unsigned int flags)	2511	ev_loop_new (unsigned int flags) EV_THROW
2063	{	2512	{
2064	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2513	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2065		2514
2066	memset (EV_A, 0, sizeof (struct ev_loop));	2515	memset (EV_A, 0, sizeof (struct ev_loop));
2067	loop_init (EV_A_ flags);	2516	loop_init (EV_A_ flags);
…		…
2111	}	2560	}
2112	#endif	2561	#endif
2113		2562
2114	#if EV_FEATURE_API	2563	#if EV_FEATURE_API
2115	void ecb_cold	2564	void ecb_cold
2116	ev_verify (EV_P)	2565	ev_verify (EV_P) EV_THROW
2117	{	2566	{
2118	#if EV_VERIFY	2567	#if EV_VERIFY
2119	int i;	2568	int i;
2120	WL w;	2569	WL w, w2;
2121		2570
2122	assert (activecnt >= -1);	2571	assert (activecnt >= -1);
2123		2572
2124	assert (fdchangemax >= fdchangecnt);	2573	assert (fdchangemax >= fdchangecnt);
2125	for (i = 0; i < fdchangecnt; ++i)	2574	for (i = 0; i < fdchangecnt; ++i)
2126	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2575	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2127		2576
2128	assert (anfdmax >= 0);	2577	assert (anfdmax >= 0);
2129	for (i = 0; i < anfdmax; ++i)	2578	for (i = 0; i < anfdmax; ++i)
		2579	{
		2580	int j = 0;
		2581
2130	for (w = anfds [i].head; w; w = w->next)	2582	for (w = w2 = anfds [i].head; w; w = w->next)
2131	{	2583	{
2132	verify_watcher (EV_A_ (W)w);	2584	verify_watcher (EV_A_ (W)w);
		2585
		2586	if (j++ & 1)
		2587	{
		2588	assert (("libev: io watcher list contains a loop", w != w2));
		2589	w2 = w2->next;
		2590	}
		2591
2133	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2592	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2134	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2593	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2135	}	2594	}
		2595	}
2136		2596
2137	assert (timermax >= timercnt);	2597	assert (timermax >= timercnt);
2138	verify_heap (EV_A_ timers, timercnt);	2598	verify_heap (EV_A_ timers, timercnt);
2139		2599
2140	#if EV_PERIODIC_ENABLE	2600	#if EV_PERIODIC_ENABLE
…		…
2190	#if EV_MULTIPLICITY	2650	#if EV_MULTIPLICITY
2191	struct ev_loop * ecb_cold	2651	struct ev_loop * ecb_cold
2192	#else	2652	#else
2193	int	2653	int
2194	#endif	2654	#endif
2195	ev_default_loop (unsigned int flags)	2655	ev_default_loop (unsigned int flags) EV_THROW
2196	{	2656	{
2197	if (!ev_default_loop_ptr)	2657	if (!ev_default_loop_ptr)
2198	{	2658	{
2199	#if EV_MULTIPLICITY	2659	#if EV_MULTIPLICITY
2200	EV_P = ev_default_loop_ptr = &default_loop_struct;	2660	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2219		2679
2220	return ev_default_loop_ptr;	2680	return ev_default_loop_ptr;
2221	}	2681	}
2222		2682
2223	void	2683	void
2224	ev_loop_fork (EV_P)	2684	ev_loop_fork (EV_P) EV_THROW
2225	{	2685	{
2226	postfork = 1; /* must be in line with ev_default_fork */	2686	postfork = 1; /* must be in line with ev_default_fork */
2227	}	2687	}
2228		2688
2229	/*****************************************************************************/	2689	/*****************************************************************************/
…		…
2233	{	2693	{
2234	EV_CB_INVOKE ((W)w, revents);	2694	EV_CB_INVOKE ((W)w, revents);
2235	}	2695	}
2236		2696
2237	unsigned int	2697	unsigned int
2238	ev_pending_count (EV_P)	2698	ev_pending_count (EV_P) EV_THROW
2239	{	2699	{
2240	int pri;	2700	int pri;
2241	unsigned int count = 0;	2701	unsigned int count = 0;
2242		2702
2243	for (pri = NUMPRI; pri--; )	2703	for (pri = NUMPRI; pri--; )
…		…
2247	}	2707	}
2248		2708
2249	void noinline	2709	void noinline
2250	ev_invoke_pending (EV_P)	2710	ev_invoke_pending (EV_P)
2251	{	2711	{
2252	int pri;	2712	for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2253
2254	for (pri = NUMPRI; pri--; )
2255	while (pendingcnt [pri])	2713	while (pendingcnt [pendingpri])
2256	{	2714	{
2257	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2715	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2258		2716
2259	p->w->pending = 0;	2717	p->w->pending = 0;
2260	EV_CB_INVOKE (p->w, p->events);	2718	EV_CB_INVOKE (p->w, p->events);
2261	EV_FREQUENT_CHECK;	2719	EV_FREQUENT_CHECK;
2262	}	2720	}
…		…
2502		2960
2503	mn_now = ev_rt_now;	2961	mn_now = ev_rt_now;
2504	}	2962	}
2505	}	2963	}
2506		2964
2507	void	2965	int
2508	ev_run (EV_P_ int flags)	2966	ev_run (EV_P_ int flags)
2509	{	2967	{
2510	#if EV_FEATURE_API	2968	#if EV_FEATURE_API
2511	++loop_depth;	2969	++loop_depth;
2512	#endif	2970	#endif
…		…
2573	time_update (EV_A_ 1e100);	3031	time_update (EV_A_ 1e100);
2574		3032
2575	/* from now on, we want a pipe-wake-up */	3033	/* from now on, we want a pipe-wake-up */
2576	pipe_write_wanted = 1;	3034	pipe_write_wanted = 1;
2577		3035
		3036	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
		3037
2578	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3038	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2579	{	3039	{
2580	waittime = MAX_BLOCKTIME;	3040	waittime = MAX_BLOCKTIME;
2581		3041
2582	if (timercnt)	3042	if (timercnt)
…		…
2623	#endif	3083	#endif
2624	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3084	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2625	backend_poll (EV_A_ waittime);	3085	backend_poll (EV_A_ waittime);
2626	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3086	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2627		3087
2628	pipe_write_wanted = 0;	3088	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2629		3089
2630	if (pipe_write_skipped)	3090	if (pipe_write_skipped)
2631	{	3091	{
2632	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3092	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2633	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3093	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
…		…
2667	loop_done = EVBREAK_CANCEL;	3127	loop_done = EVBREAK_CANCEL;
2668		3128
2669	#if EV_FEATURE_API	3129	#if EV_FEATURE_API
2670	--loop_depth;	3130	--loop_depth;
2671	#endif	3131	#endif
		3132
		3133	return activecnt;
2672	}	3134	}
2673		3135
2674	void	3136	void
2675	ev_break (EV_P_ int how)	3137	ev_break (EV_P_ int how) EV_THROW
2676	{	3138	{
2677	loop_done = how;	3139	loop_done = how;
2678	}	3140	}
2679		3141
2680	void	3142	void
2681	ev_ref (EV_P)	3143	ev_ref (EV_P) EV_THROW
2682	{	3144	{
2683	++activecnt;	3145	++activecnt;
2684	}	3146	}
2685		3147
2686	void	3148	void
2687	ev_unref (EV_P)	3149	ev_unref (EV_P) EV_THROW
2688	{	3150	{
2689	--activecnt;	3151	--activecnt;
2690	}	3152	}
2691		3153
2692	void	3154	void
2693	ev_now_update (EV_P)	3155	ev_now_update (EV_P) EV_THROW
2694	{	3156	{
2695	time_update (EV_A_ 1e100);	3157	time_update (EV_A_ 1e100);
2696	}	3158	}
2697		3159
2698	void	3160	void
2699	ev_suspend (EV_P)	3161	ev_suspend (EV_P) EV_THROW
2700	{	3162	{
2701	ev_now_update (EV_A);	3163	ev_now_update (EV_A);
2702	}	3164	}
2703		3165
2704	void	3166	void
2705	ev_resume (EV_P)	3167	ev_resume (EV_P) EV_THROW
2706	{	3168	{
2707	ev_tstamp mn_prev = mn_now;	3169	ev_tstamp mn_prev = mn_now;
2708		3170
2709	ev_now_update (EV_A);	3171	ev_now_update (EV_A);
2710	timers_reschedule (EV_A_ mn_now - mn_prev);	3172	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
2749	w->pending = 0;	3211	w->pending = 0;
2750	}	3212	}
2751	}	3213	}
2752		3214
2753	int	3215	int
2754	ev_clear_pending (EV_P_ void *w)	3216	ev_clear_pending (EV_P_ void *w) EV_THROW
2755	{	3217	{
2756	W w_ = (W)w;	3218	W w_ = (W)w;
2757	int pending = w_->pending;	3219	int pending = w_->pending;
2758		3220
2759	if (expect_true (pending))	3221	if (expect_true (pending))
…		…
2792	}	3254	}
2793		3255
2794	/*****************************************************************************/	3256	/*****************************************************************************/
2795		3257
2796	void noinline	3258	void noinline
2797	ev_io_start (EV_P_ ev_io *w)	3259	ev_io_start (EV_P_ ev_io *w) EV_THROW
2798	{	3260	{
2799	int fd = w->fd;	3261	int fd = w->fd;
2800		3262
2801	if (expect_false (ev_is_active (w)))	3263	if (expect_false (ev_is_active (w)))
2802	return;	3264	return;
…		…
2808		3270
2809	ev_start (EV_A_ (W)w, 1);	3271	ev_start (EV_A_ (W)w, 1);
2810	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3272	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2811	wlist_add (&anfds[fd].head, (WL)w);	3273	wlist_add (&anfds[fd].head, (WL)w);
2812		3274
		3275	/* common bug, apparently */
		3276	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3277
2813	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3278	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2814	w->events &= ~EV__IOFDSET;	3279	w->events &= ~EV__IOFDSET;
2815		3280
2816	EV_FREQUENT_CHECK;	3281	EV_FREQUENT_CHECK;
2817	}	3282	}
2818		3283
2819	void noinline	3284	void noinline
2820	ev_io_stop (EV_P_ ev_io *w)	3285	ev_io_stop (EV_P_ ev_io *w) EV_THROW
2821	{	3286	{
2822	clear_pending (EV_A_ (W)w);	3287	clear_pending (EV_A_ (W)w);
2823	if (expect_false (!ev_is_active (w)))	3288	if (expect_false (!ev_is_active (w)))
2824	return;	3289	return;
2825		3290
…		…
2834		3299
2835	EV_FREQUENT_CHECK;	3300	EV_FREQUENT_CHECK;
2836	}	3301	}
2837		3302
2838	void noinline	3303	void noinline
2839	ev_timer_start (EV_P_ ev_timer *w)	3304	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2840	{	3305	{
2841	if (expect_false (ev_is_active (w)))	3306	if (expect_false (ev_is_active (w)))
2842	return;	3307	return;
2843		3308
2844	ev_at (w) += mn_now;	3309	ev_at (w) += mn_now;
…		…
2858		3323
2859	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3324	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2860	}	3325	}
2861		3326
2862	void noinline	3327	void noinline
2863	ev_timer_stop (EV_P_ ev_timer *w)	3328	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2864	{	3329	{
2865	clear_pending (EV_A_ (W)w);	3330	clear_pending (EV_A_ (W)w);
2866	if (expect_false (!ev_is_active (w)))	3331	if (expect_false (!ev_is_active (w)))
2867	return;	3332	return;
2868		3333
…		…
2888		3353
2889	EV_FREQUENT_CHECK;	3354	EV_FREQUENT_CHECK;
2890	}	3355	}
2891		3356
2892	void noinline	3357	void noinline
2893	ev_timer_again (EV_P_ ev_timer *w)	3358	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2894	{	3359	{
2895	EV_FREQUENT_CHECK;	3360	EV_FREQUENT_CHECK;
		3361
		3362	clear_pending (EV_A_ (W)w);
2896		3363
2897	if (ev_is_active (w))	3364	if (ev_is_active (w))
2898	{	3365	{
2899	if (w->repeat)	3366	if (w->repeat)
2900	{	3367	{
…		…
2913		3380
2914	EV_FREQUENT_CHECK;	3381	EV_FREQUENT_CHECK;
2915	}	3382	}
2916		3383
2917	ev_tstamp	3384	ev_tstamp
2918	ev_timer_remaining (EV_P_ ev_timer *w)	3385	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2919	{	3386	{
2920	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3387	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2921	}	3388	}
2922		3389
2923	#if EV_PERIODIC_ENABLE	3390	#if EV_PERIODIC_ENABLE
2924	void noinline	3391	void noinline
2925	ev_periodic_start (EV_P_ ev_periodic *w)	3392	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2926	{	3393	{
2927	if (expect_false (ev_is_active (w)))	3394	if (expect_false (ev_is_active (w)))
2928	return;	3395	return;
2929		3396
2930	if (w->reschedule_cb)	3397	if (w->reschedule_cb)
…		…
2950		3417
2951	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3418	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2952	}	3419	}
2953		3420
2954	void noinline	3421	void noinline
2955	ev_periodic_stop (EV_P_ ev_periodic *w)	3422	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
2956	{	3423	{
2957	clear_pending (EV_A_ (W)w);	3424	clear_pending (EV_A_ (W)w);
2958	if (expect_false (!ev_is_active (w)))	3425	if (expect_false (!ev_is_active (w)))
2959	return;	3426	return;
2960		3427
…		…
2978		3445
2979	EV_FREQUENT_CHECK;	3446	EV_FREQUENT_CHECK;
2980	}	3447	}
2981		3448
2982	void noinline	3449	void noinline
2983	ev_periodic_again (EV_P_ ev_periodic *w)	3450	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
2984	{	3451	{
2985	/* TODO: use adjustheap and recalculation */	3452	/* TODO: use adjustheap and recalculation */
2986	ev_periodic_stop (EV_A_ w);	3453	ev_periodic_stop (EV_A_ w);
2987	ev_periodic_start (EV_A_ w);	3454	ev_periodic_start (EV_A_ w);
2988	}	3455	}
…		…
2993	#endif	3460	#endif
2994		3461
2995	#if EV_SIGNAL_ENABLE	3462	#if EV_SIGNAL_ENABLE
2996		3463
2997	void noinline	3464	void noinline
2998	ev_signal_start (EV_P_ ev_signal *w)	3465	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
2999	{	3466	{
3000	if (expect_false (ev_is_active (w)))	3467	if (expect_false (ev_is_active (w)))
3001	return;	3468	return;
3002		3469
3003	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3470	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3074		3541
3075	EV_FREQUENT_CHECK;	3542	EV_FREQUENT_CHECK;
3076	}	3543	}
3077		3544
3078	void noinline	3545	void noinline
3079	ev_signal_stop (EV_P_ ev_signal *w)	3546	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3080	{	3547	{
3081	clear_pending (EV_A_ (W)w);	3548	clear_pending (EV_A_ (W)w);
3082	if (expect_false (!ev_is_active (w)))	3549	if (expect_false (!ev_is_active (w)))
3083	return;	3550	return;
3084		3551
…		…
3115	#endif	3582	#endif
3116		3583
3117	#if EV_CHILD_ENABLE	3584	#if EV_CHILD_ENABLE
3118		3585
3119	void	3586	void
3120	ev_child_start (EV_P_ ev_child *w)	3587	ev_child_start (EV_P_ ev_child *w) EV_THROW
3121	{	3588	{
3122	#if EV_MULTIPLICITY	3589	#if EV_MULTIPLICITY
3123	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3590	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3124	#endif	3591	#endif
3125	if (expect_false (ev_is_active (w)))	3592	if (expect_false (ev_is_active (w)))
…		…
3132		3599
3133	EV_FREQUENT_CHECK;	3600	EV_FREQUENT_CHECK;
3134	}	3601	}
3135		3602
3136	void	3603	void
3137	ev_child_stop (EV_P_ ev_child *w)	3604	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3138	{	3605	{
3139	clear_pending (EV_A_ (W)w);	3606	clear_pending (EV_A_ (W)w);
3140	if (expect_false (!ev_is_active (w)))	3607	if (expect_false (!ev_is_active (w)))
3141	return;	3608	return;
3142		3609
…		…
3309	}	3776	}
3310		3777
3311	inline_size int	3778	inline_size int
3312	infy_newfd (void)	3779	infy_newfd (void)
3313	{	3780	{
3314	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	3781	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3315	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	3782	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3316	if (fd >= 0)	3783	if (fd >= 0)
3317	return fd;	3784	return fd;
3318	#endif	3785	#endif
3319	return inotify_init ();	3786	return inotify_init ();
…		…
3394	#else	3861	#else
3395	# define EV_LSTAT(p,b) lstat (p, b)	3862	# define EV_LSTAT(p,b) lstat (p, b)
3396	#endif	3863	#endif
3397		3864
3398	void	3865	void
3399	ev_stat_stat (EV_P_ ev_stat *w)	3866	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3400	{	3867	{
3401	if (lstat (w->path, &w->attr) < 0)	3868	if (lstat (w->path, &w->attr) < 0)
3402	w->attr.st_nlink = 0;	3869	w->attr.st_nlink = 0;
3403	else if (!w->attr.st_nlink)	3870	else if (!w->attr.st_nlink)
3404	w->attr.st_nlink = 1;	3871	w->attr.st_nlink = 1;
…		…
3443	ev_feed_event (EV_A_ w, EV_STAT);	3910	ev_feed_event (EV_A_ w, EV_STAT);
3444	}	3911	}
3445	}	3912	}
3446		3913
3447	void	3914	void
3448	ev_stat_start (EV_P_ ev_stat *w)	3915	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3449	{	3916	{
3450	if (expect_false (ev_is_active (w)))	3917	if (expect_false (ev_is_active (w)))
3451	return;	3918	return;
3452		3919
3453	ev_stat_stat (EV_A_ w);	3920	ev_stat_stat (EV_A_ w);
…		…
3474		3941
3475	EV_FREQUENT_CHECK;	3942	EV_FREQUENT_CHECK;
3476	}	3943	}
3477		3944
3478	void	3945	void
3479	ev_stat_stop (EV_P_ ev_stat *w)	3946	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3480	{	3947	{
3481	clear_pending (EV_A_ (W)w);	3948	clear_pending (EV_A_ (W)w);
3482	if (expect_false (!ev_is_active (w)))	3949	if (expect_false (!ev_is_active (w)))
3483	return;	3950	return;
3484		3951
…		…
3500	}	3967	}
3501	#endif	3968	#endif
3502		3969
3503	#if EV_IDLE_ENABLE	3970	#if EV_IDLE_ENABLE
3504	void	3971	void
3505	ev_idle_start (EV_P_ ev_idle *w)	3972	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3506	{	3973	{
3507	if (expect_false (ev_is_active (w)))	3974	if (expect_false (ev_is_active (w)))
3508	return;	3975	return;
3509		3976
3510	pri_adjust (EV_A_ (W)w);	3977	pri_adjust (EV_A_ (W)w);
…		…
3523		3990
3524	EV_FREQUENT_CHECK;	3991	EV_FREQUENT_CHECK;
3525	}	3992	}
3526		3993
3527	void	3994	void
3528	ev_idle_stop (EV_P_ ev_idle *w)	3995	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3529	{	3996	{
3530	clear_pending (EV_A_ (W)w);	3997	clear_pending (EV_A_ (W)w);
3531	if (expect_false (!ev_is_active (w)))	3998	if (expect_false (!ev_is_active (w)))
3532	return;	3999	return;
3533		4000
…		…
3547	}	4014	}
3548	#endif	4015	#endif
3549		4016
3550	#if EV_PREPARE_ENABLE	4017	#if EV_PREPARE_ENABLE
3551	void	4018	void
3552	ev_prepare_start (EV_P_ ev_prepare *w)	4019	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3553	{	4020	{
3554	if (expect_false (ev_is_active (w)))	4021	if (expect_false (ev_is_active (w)))
3555	return;	4022	return;
3556		4023
3557	EV_FREQUENT_CHECK;	4024	EV_FREQUENT_CHECK;
…		…
3562		4029
3563	EV_FREQUENT_CHECK;	4030	EV_FREQUENT_CHECK;
3564	}	4031	}
3565		4032
3566	void	4033	void
3567	ev_prepare_stop (EV_P_ ev_prepare *w)	4034	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3568	{	4035	{
3569	clear_pending (EV_A_ (W)w);	4036	clear_pending (EV_A_ (W)w);
3570	if (expect_false (!ev_is_active (w)))	4037	if (expect_false (!ev_is_active (w)))
3571	return;	4038	return;
3572		4039
…		…
3585	}	4052	}
3586	#endif	4053	#endif
3587		4054
3588	#if EV_CHECK_ENABLE	4055	#if EV_CHECK_ENABLE
3589	void	4056	void
3590	ev_check_start (EV_P_ ev_check *w)	4057	ev_check_start (EV_P_ ev_check *w) EV_THROW
3591	{	4058	{
3592	if (expect_false (ev_is_active (w)))	4059	if (expect_false (ev_is_active (w)))
3593	return;	4060	return;
3594		4061
3595	EV_FREQUENT_CHECK;	4062	EV_FREQUENT_CHECK;
…		…
3600		4067
3601	EV_FREQUENT_CHECK;	4068	EV_FREQUENT_CHECK;
3602	}	4069	}
3603		4070
3604	void	4071	void
3605	ev_check_stop (EV_P_ ev_check *w)	4072	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3606	{	4073	{
3607	clear_pending (EV_A_ (W)w);	4074	clear_pending (EV_A_ (W)w);
3608	if (expect_false (!ev_is_active (w)))	4075	if (expect_false (!ev_is_active (w)))
3609	return;	4076	return;
3610		4077
…		…
3623	}	4090	}
3624	#endif	4091	#endif
3625		4092
3626	#if EV_EMBED_ENABLE	4093	#if EV_EMBED_ENABLE
3627	void noinline	4094	void noinline
3628	ev_embed_sweep (EV_P_ ev_embed *w)	4095	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3629	{	4096	{
3630	ev_run (w->other, EVRUN_NOWAIT);	4097	ev_run (w->other, EVRUN_NOWAIT);
3631	}	4098	}
3632		4099
3633	static void	4100	static void
…		…
3681	ev_idle_stop (EV_A_ idle);	4148	ev_idle_stop (EV_A_ idle);
3682	}	4149	}
3683	#endif	4150	#endif
3684		4151
3685	void	4152	void
3686	ev_embed_start (EV_P_ ev_embed *w)	4153	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3687	{	4154	{
3688	if (expect_false (ev_is_active (w)))	4155	if (expect_false (ev_is_active (w)))
3689	return;	4156	return;
3690		4157
3691	{	4158	{
…		…
3712		4179
3713	EV_FREQUENT_CHECK;	4180	EV_FREQUENT_CHECK;
3714	}	4181	}
3715		4182
3716	void	4183	void
3717	ev_embed_stop (EV_P_ ev_embed *w)	4184	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3718	{	4185	{
3719	clear_pending (EV_A_ (W)w);	4186	clear_pending (EV_A_ (W)w);
3720	if (expect_false (!ev_is_active (w)))	4187	if (expect_false (!ev_is_active (w)))
3721	return;	4188	return;
3722		4189
…		…
3732	}	4199	}
3733	#endif	4200	#endif
3734		4201
3735	#if EV_FORK_ENABLE	4202	#if EV_FORK_ENABLE
3736	void	4203	void
3737	ev_fork_start (EV_P_ ev_fork *w)	4204	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3738	{	4205	{
3739	if (expect_false (ev_is_active (w)))	4206	if (expect_false (ev_is_active (w)))
3740	return;	4207	return;
3741		4208
3742	EV_FREQUENT_CHECK;	4209	EV_FREQUENT_CHECK;
…		…
3747		4214
3748	EV_FREQUENT_CHECK;	4215	EV_FREQUENT_CHECK;
3749	}	4216	}
3750		4217
3751	void	4218	void
3752	ev_fork_stop (EV_P_ ev_fork *w)	4219	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3753	{	4220	{
3754	clear_pending (EV_A_ (W)w);	4221	clear_pending (EV_A_ (W)w);
3755	if (expect_false (!ev_is_active (w)))	4222	if (expect_false (!ev_is_active (w)))
3756	return;	4223	return;
3757		4224
…		…
3770	}	4237	}
3771	#endif	4238	#endif
3772		4239
3773	#if EV_CLEANUP_ENABLE	4240	#if EV_CLEANUP_ENABLE
3774	void	4241	void
3775	ev_cleanup_start (EV_P_ ev_cleanup *w)	4242	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3776	{	4243	{
3777	if (expect_false (ev_is_active (w)))	4244	if (expect_false (ev_is_active (w)))
3778	return;	4245	return;
3779		4246
3780	EV_FREQUENT_CHECK;	4247	EV_FREQUENT_CHECK;
…		…
3787	ev_unref (EV_A);	4254	ev_unref (EV_A);
3788	EV_FREQUENT_CHECK;	4255	EV_FREQUENT_CHECK;
3789	}	4256	}
3790		4257
3791	void	4258	void
3792	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4259	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3793	{	4260	{
3794	clear_pending (EV_A_ (W)w);	4261	clear_pending (EV_A_ (W)w);
3795	if (expect_false (!ev_is_active (w)))	4262	if (expect_false (!ev_is_active (w)))
3796	return;	4263	return;
3797		4264
…		…
3811	}	4278	}
3812	#endif	4279	#endif
3813		4280
3814	#if EV_ASYNC_ENABLE	4281	#if EV_ASYNC_ENABLE
3815	void	4282	void
3816	ev_async_start (EV_P_ ev_async *w)	4283	ev_async_start (EV_P_ ev_async *w) EV_THROW
3817	{	4284	{
3818	if (expect_false (ev_is_active (w)))	4285	if (expect_false (ev_is_active (w)))
3819	return;	4286	return;
3820		4287
3821	w->sent = 0;	4288	w->sent = 0;
…		…
3830		4297
3831	EV_FREQUENT_CHECK;	4298	EV_FREQUENT_CHECK;
3832	}	4299	}
3833		4300
3834	void	4301	void
3835	ev_async_stop (EV_P_ ev_async *w)	4302	ev_async_stop (EV_P_ ev_async *w) EV_THROW
3836	{	4303	{
3837	clear_pending (EV_A_ (W)w);	4304	clear_pending (EV_A_ (W)w);
3838	if (expect_false (!ev_is_active (w)))	4305	if (expect_false (!ev_is_active (w)))
3839	return;	4306	return;
3840		4307
…		…
3851		4318
3852	EV_FREQUENT_CHECK;	4319	EV_FREQUENT_CHECK;
3853	}	4320	}
3854		4321
3855	void	4322	void
3856	ev_async_send (EV_P_ ev_async *w)	4323	ev_async_send (EV_P_ ev_async *w) EV_THROW
3857	{	4324	{
3858	w->sent = 1;	4325	w->sent = 1;
3859	evpipe_write (EV_A_ &async_pending);	4326	evpipe_write (EV_A_ &async_pending);
3860	}	4327	}
3861	#endif	4328	#endif
…		…
3898		4365
3899	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4366	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3900	}	4367	}
3901		4368
3902	void	4369	void
3903	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4370	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3904	{	4371	{
3905	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4372	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3906		4373
3907	if (expect_false (!once))	4374	if (expect_false (!once))
3908	{	4375	{
…		…
3930		4397
3931	/*****************************************************************************/	4398	/*****************************************************************************/
3932		4399
3933	#if EV_WALK_ENABLE	4400	#if EV_WALK_ENABLE
3934	void ecb_cold	4401	void ecb_cold
3935	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4402	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3936	{	4403	{
3937	int i, j;	4404	int i, j;
3938	ev_watcher_list *wl, *wn;	4405	ev_watcher_list *wl, *wn;
3939		4406
3940	if (types & (EV_IO | EV_EMBED))	4407	if (types & (EV_IO | EV_EMBED))
…		…
3983	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4450	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3984	#endif	4451	#endif
3985		4452
3986	#if EV_IDLE_ENABLE	4453	#if EV_IDLE_ENABLE
3987	if (types & EV_IDLE)	4454	if (types & EV_IDLE)
3988	for (j = NUMPRI; i--; )	4455	for (j = NUMPRI; j--; )
3989	for (i = idlecnt [j]; i--; )	4456	for (i = idlecnt [j]; i--; )
3990	cb (EV_A_ EV_IDLE, idles [j][i]);	4457	cb (EV_A_ EV_IDLE, idles [j][i]);
3991	#endif	4458	#endif
3992		4459
3993	#if EV_FORK_ENABLE	4460	#if EV_FORK_ENABLE
…		…
4046		4513
4047	#if EV_MULTIPLICITY	4514	#if EV_MULTIPLICITY
4048	#include "ev_wrap.h"	4515	#include "ev_wrap.h"
4049	#endif	4516	#endif
4050		4517
4051	EV_CPP(})
4052

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