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Comparing libev/ev.c (file contents):
Revision 1.378 by root, Mon Jun 13 09:52:36 2011 UTC vs.
Revision 1.431 by root, Wed May 9 16:51:33 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
		206	# include <winsock2.h>
197	# include <windows.h>	207	# include <windows.h>
198	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
199	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
200	# endif	210	# endif
201	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
211		221
212	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
213		223
214	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	225	#if defined EV_NSIG
216	/* use what's provided */	226	/* use what's provided */
217	#elif defined (NSIG)	227	#elif defined NSIG
218	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	229	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	231	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	237	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	245	#else
236	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
237	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	261	# endif
252	#endif	262	#endif
253		263
254	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	267	# else
258	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
259	# endif	269	# endif
260	#endif	270	#endif
…		…
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
…		…
399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	409	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400	# ifndef IN_DONT_FOLLOW	410	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	411	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	412	# define EV_USE_INOTIFY 0
403	# endif	413	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	414	#endif
409		415
410	#if EV_USE_EVENTFD	416	#if EV_USE_EVENTFD
411	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	417	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412	# include <stdint.h>	418	# include <stdint.h>
…		…
464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	470	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465		471
466	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	472	#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)	473	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468		474
		475	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
		476	/* ECB.H BEGIN */
		477	/*
		478	* libecb - http://software.schmorp.de/pkg/libecb
		479	*
		480	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
		481	* Copyright (©) 2011 Emanuele Giaquinta
		482	* All rights reserved.
		483	*
		484	* Redistribution and use in source and binary forms, with or without modifica-
		485	* tion, are permitted provided that the following conditions are met:
		486	*
		487	* 1. Redistributions of source code must retain the above copyright notice,
		488	* this list of conditions and the following disclaimer.
		489	*
		490	* 2. Redistributions in binary form must reproduce the above copyright
		491	* notice, this list of conditions and the following disclaimer in the
		492	* documentation and/or other materials provided with the distribution.
		493	*
		494	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
		495	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
		496	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
		497	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
		498	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		499	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		500	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		501	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		502	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		503	* OF THE POSSIBILITY OF SUCH DAMAGE.
		504	*/
		505
		506	#ifndef ECB_H
		507	#define ECB_H
		508
		509	#ifdef _WIN32
		510	typedef signed char int8_t;
		511	typedef unsigned char uint8_t;
		512	typedef signed short int16_t;
		513	typedef unsigned short uint16_t;
		514	typedef signed int int32_t;
		515	typedef unsigned int uint32_t;
469	#if __GNUC__ >= 4	516	#if __GNUC__
470	# define expect(expr,value) __builtin_expect ((expr),(value))	517	typedef signed long long int64_t;
471	# define noinline __attribute__ ((noinline))	518	typedef unsigned long long uint64_t;
		519	#else /* _MSC_VER || __BORLANDC__ */
		520	typedef signed __int64 int64_t;
		521	typedef unsigned __int64 uint64_t;
		522	#endif
472	#else	523	#else
473	# define expect(expr,value) (expr)	524	#include <inttypes.h>
474	# define noinline
475	# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
476	# define inline
477	# endif	525	#endif
		526
		527	/* many compilers define _GNUC_ to some versions but then only implement
		528	* what their idiot authors think are the "more important" extensions,
		529	* causing enormous grief in return for some better fake benchmark numbers.
		530	* or so.
		531	* we try to detect these and simply assume they are not gcc - if they have
		532	* an issue with that they should have done it right in the first place.
		533	*/
		534	#ifndef ECB_GCC_VERSION
		535	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
		536	#define ECB_GCC_VERSION(major,minor) 0
		537	#else
		538	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
478	#endif	539	#endif
		540	#endif
479		541
		542	/*****************************************************************************/
		543
		544	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		545	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		546
		547	#if ECB_NO_THREADS
		548	# define ECB_NO_SMP 1
		549	#endif
		550
		551	#if ECB_NO_THREADS || ECB_NO_SMP
		552	#define ECB_MEMORY_FENCE do { } while (0)
		553	#endif
		554
		555	#ifndef ECB_MEMORY_FENCE
		556	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		557	#if __i386 || __i386__
		558	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		559	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
		560	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
		561	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
		562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		563	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
		564	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
		565	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		566	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		567	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		568	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		569	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		570	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		571	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		572	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		573	#elif __sparc || __sparc__
		574	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
		575	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		576	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		577	#elif defined __s390__ || defined __s390x__
		578	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		579	#elif defined __mips__
		580	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		581	#elif defined __alpha__
		582	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		583	#endif
		584	#endif
		585	#endif
		586
		587	#ifndef ECB_MEMORY_FENCE
		588	#if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
		589	#define ECB_MEMORY_FENCE __sync_synchronize ()
		590	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
		591	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
		592	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		593	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		594	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		595	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		596	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		597	#elif defined _WIN32
		598	#include <WinNT.h>
		599	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		600	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		601	#include <mbarrier.h>
		602	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		603	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		604	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		605	#elif __xlC__
		606	#define ECB_MEMORY_FENCE __sync ()
		607	#endif
		608	#endif
		609
		610	#ifndef ECB_MEMORY_FENCE
		611	#if !ECB_AVOID_PTHREADS
		612	/*
		613	* if you get undefined symbol references to pthread_mutex_lock,
		614	* or failure to find pthread.h, then you should implement
		615	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		616	* OR provide pthread.h and link against the posix thread library
		617	* of your system.
		618	*/
		619	#include <pthread.h>
		620	#define ECB_NEEDS_PTHREADS 1
		621	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		622
		623	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		624	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		625	#endif
		626	#endif
		627
		628	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
		629	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		630	#endif
		631
		632	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
		633	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		634	#endif
		635
		636	/*****************************************************************************/
		637
		638	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		639
		640	#if __cplusplus
		641	#define ecb_inline static inline
		642	#elif ECB_GCC_VERSION(2,5)
		643	#define ecb_inline static __inline__
		644	#elif ECB_C99
		645	#define ecb_inline static inline
		646	#else
		647	#define ecb_inline static
		648	#endif
		649
		650	#if ECB_GCC_VERSION(3,3)
		651	#define ecb_restrict __restrict__
		652	#elif ECB_C99
		653	#define ecb_restrict restrict
		654	#else
		655	#define ecb_restrict
		656	#endif
		657
		658	typedef int ecb_bool;
		659
		660	#define ECB_CONCAT_(a, b) a ## b
		661	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
		662	#define ECB_STRINGIFY_(a) # a
		663	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		664
		665	#define ecb_function_ ecb_inline
		666
		667	#if ECB_GCC_VERSION(3,1)
		668	#define ecb_attribute(attrlist) __attribute__(attrlist)
		669	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		670	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		671	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		672	#else
		673	#define ecb_attribute(attrlist)
		674	#define ecb_is_constant(expr) 0
		675	#define ecb_expect(expr,value) (expr)
		676	#define ecb_prefetch(addr,rw,locality)
		677	#endif
		678
		679	/* no emulation for ecb_decltype */
		680	#if ECB_GCC_VERSION(4,5)
		681	#define ecb_decltype(x) __decltype(x)
		682	#elif ECB_GCC_VERSION(3,0)
		683	#define ecb_decltype(x) __typeof(x)
		684	#endif
		685
		686	#define ecb_noinline ecb_attribute ((__noinline__))
		687	#define ecb_noreturn ecb_attribute ((__noreturn__))
		688	#define ecb_unused ecb_attribute ((__unused__))
		689	#define ecb_const ecb_attribute ((__const__))
		690	#define ecb_pure ecb_attribute ((__pure__))
		691
		692	#if ECB_GCC_VERSION(4,3)
		693	#define ecb_artificial ecb_attribute ((__artificial__))
		694	#define ecb_hot ecb_attribute ((__hot__))
		695	#define ecb_cold ecb_attribute ((__cold__))
		696	#else
		697	#define ecb_artificial
		698	#define ecb_hot
		699	#define ecb_cold
		700	#endif
		701
		702	/* put around conditional expressions if you are very sure that the */
		703	/* expression is mostly true or mostly false. note that these return */
		704	/* booleans, not the expression. */
480	#define expect_false(expr) expect ((expr) != 0, 0)	705	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
481	#define expect_true(expr) expect ((expr) != 0, 1)	706	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
		707	/* for compatibility to the rest of the world */
		708	#define ecb_likely(expr) ecb_expect_true (expr)
		709	#define ecb_unlikely(expr) ecb_expect_false (expr)
		710
		711	/* count trailing zero bits and count # of one bits */
		712	#if ECB_GCC_VERSION(3,4)
		713	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
		714	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		715	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		716	#define ecb_ctz32(x) __builtin_ctz (x)
		717	#define ecb_ctz64(x) __builtin_ctzll (x)
		718	#define ecb_popcount32(x) __builtin_popcount (x)
		719	/* no popcountll */
		720	#else
		721	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
		722	ecb_function_ int
		723	ecb_ctz32 (uint32_t x)
		724	{
		725	int r = 0;
		726
		727	x &= ~x + 1; /* this isolates the lowest bit */
		728
		729	#if ECB_branchless_on_i386
		730	r += !!(x & 0xaaaaaaaa) << 0;
		731	r += !!(x & 0xcccccccc) << 1;
		732	r += !!(x & 0xf0f0f0f0) << 2;
		733	r += !!(x & 0xff00ff00) << 3;
		734	r += !!(x & 0xffff0000) << 4;
		735	#else
		736	if (x & 0xaaaaaaaa) r += 1;
		737	if (x & 0xcccccccc) r += 2;
		738	if (x & 0xf0f0f0f0) r += 4;
		739	if (x & 0xff00ff00) r += 8;
		740	if (x & 0xffff0000) r += 16;
		741	#endif
		742
		743	return r;
		744	}
		745
		746	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
		747	ecb_function_ int
		748	ecb_ctz64 (uint64_t x)
		749	{
		750	int shift = x & 0xffffffffU ? 0 : 32;
		751	return ecb_ctz32 (x >> shift) + shift;
		752	}
		753
		754	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
		755	ecb_function_ int
		756	ecb_popcount32 (uint32_t x)
		757	{
		758	x -= (x >> 1) & 0x55555555;
		759	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		760	x = ((x >> 4) + x) & 0x0f0f0f0f;
		761	x *= 0x01010101;
		762
		763	return x >> 24;
		764	}
		765
		766	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
		767	ecb_function_ int ecb_ld32 (uint32_t x)
		768	{
		769	int r = 0;
		770
		771	if (x >> 16) { x >>= 16; r += 16; }
		772	if (x >> 8) { x >>= 8; r += 8; }
		773	if (x >> 4) { x >>= 4; r += 4; }
		774	if (x >> 2) { x >>= 2; r += 2; }
		775	if (x >> 1) { r += 1; }
		776
		777	return r;
		778	}
		779
		780	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
		781	ecb_function_ int ecb_ld64 (uint64_t x)
		782	{
		783	int r = 0;
		784
		785	if (x >> 32) { x >>= 32; r += 32; }
		786
		787	return r + ecb_ld32 (x);
		788	}
		789	#endif
		790
		791	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		792	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		793	{
		794	return ( (x * 0x0802U & 0x22110U)
		795	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		796	}
		797
		798	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		799	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		800	{
		801	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		802	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		803	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		804	x = ( x >> 8 ) | ( x << 8);
		805
		806	return x;
		807	}
		808
		809	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		810	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		811	{
		812	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		813	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		814	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		815	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		816	x = ( x >> 16 ) | ( x << 16);
		817
		818	return x;
		819	}
		820
		821	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		822	/* so for this version we are lazy */
		823	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
		824	ecb_function_ int
		825	ecb_popcount64 (uint64_t x)
		826	{
		827	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
		828	}
		829
		830	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
		831	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
		832	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
		833	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
		834	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
		835	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
		836	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
		837	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
		838
		839	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
		840	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
		841	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
		842	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
		843	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
		844	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
		845	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
		846	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
		847
		848	#if ECB_GCC_VERSION(4,3)
		849	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		850	#define ecb_bswap32(x) __builtin_bswap32 (x)
		851	#define ecb_bswap64(x) __builtin_bswap64 (x)
		852	#else
		853	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
		854	ecb_function_ uint16_t
		855	ecb_bswap16 (uint16_t x)
		856	{
		857	return ecb_rotl16 (x, 8);
		858	}
		859
		860	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
		861	ecb_function_ uint32_t
		862	ecb_bswap32 (uint32_t x)
		863	{
		864	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
		865	}
		866
		867	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
		868	ecb_function_ uint64_t
		869	ecb_bswap64 (uint64_t x)
		870	{
		871	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
		872	}
		873	#endif
		874
		875	#if ECB_GCC_VERSION(4,5)
		876	#define ecb_unreachable() __builtin_unreachable ()
		877	#else
		878	/* this seems to work fine, but gcc always emits a warning for it :/ */
		879	ecb_inline void ecb_unreachable (void) ecb_noreturn;
		880	ecb_inline void ecb_unreachable (void) { }
		881	#endif
		882
		883	/* try to tell the compiler that some condition is definitely true */
		884	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
		885
		886	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
		887	ecb_inline unsigned char
		888	ecb_byteorder_helper (void)
		889	{
		890	const uint32_t u = 0x11223344;
		891	return *(unsigned char *)&u;
		892	}
		893
		894	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
		895	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		896	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
		897	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		898
		899	#if ECB_GCC_VERSION(3,0) || ECB_C99
		900	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		901	#else
		902	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		903	#endif
		904
		905	#if __cplusplus
		906	template<typename T>
		907	static inline T ecb_div_rd (T val, T div)
		908	{
		909	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		910	}
		911	template<typename T>
		912	static inline T ecb_div_ru (T val, T div)
		913	{
		914	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		915	}
		916	#else
		917	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		918	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
		919	#endif
		920
		921	#if ecb_cplusplus_does_not_suck
		922	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
		923	template<typename T, int N>
		924	static inline int ecb_array_length (const T (&arr)[N])
		925	{
		926	return N;
		927	}
		928	#else
		929	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
		930	#endif
		931
		932	#endif
		933
		934	/* ECB.H END */
		935
		936	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		937	/* if your architecture doesn't need memory fences, e.g. because it is
		938	* single-cpu/core, or if you use libev in a project that doesn't use libev
		939	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		940	* libev, in which cases the memory fences become nops.
		941	* alternatively, you can remove this #error and link against libpthread,
		942	* which will then provide the memory fences.
		943	*/
		944	# error "memory fences not defined for your architecture, please report"
		945	#endif
		946
		947	#ifndef ECB_MEMORY_FENCE
		948	# define ECB_MEMORY_FENCE do { } while (0)
		949	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		950	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		951	#endif
		952
		953	#define expect_false(cond) ecb_expect_false (cond)
		954	#define expect_true(cond) ecb_expect_true (cond)
		955	#define noinline ecb_noinline
		956
482	#define inline_size static inline	957	#define inline_size ecb_inline
483		958
484	#if EV_FEATURE_CODE	959	#if EV_FEATURE_CODE
485	# define inline_speed static inline	960	# define inline_speed ecb_inline
486	#else	961	#else
487	# define inline_speed static noinline	962	# define inline_speed static noinline
488	#endif	963	#endif
489		964
490	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	965	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
…		…
581		1056
582	#ifdef __linux	1057	#ifdef __linux
583	# include <sys/utsname.h>	1058	# include <sys/utsname.h>
584	#endif	1059	#endif
585		1060
586	static unsigned int noinline	1061	static unsigned int noinline ecb_cold
587	ev_linux_version (void)	1062	ev_linux_version (void)
588	{	1063	{
589	#ifdef __linux	1064	#ifdef __linux
590	unsigned int v = 0;	1065	unsigned int v = 0;
591	struct utsname buf;	1066	struct utsname buf;
…		…
620	}	1095	}
621		1096
622	/*****************************************************************************/	1097	/*****************************************************************************/
623		1098
624	#if EV_AVOID_STDIO	1099	#if EV_AVOID_STDIO
625	static void noinline	1100	static void noinline ecb_cold
626	ev_printerr (const char *msg)	1101	ev_printerr (const char *msg)
627	{	1102	{
628	write (STDERR_FILENO, msg, strlen (msg));	1103	write (STDERR_FILENO, msg, strlen (msg));
629	}	1104	}
630	#endif	1105	#endif
631		1106
632	static void (*syserr_cb)(const char *msg);	1107	static void (*syserr_cb)(const char *msg) EV_THROW;
633		1108
634	void	1109	void ecb_cold
635	ev_set_syserr_cb (void (*cb)(const char *msg))	1110	ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
636	{	1111	{
637	syserr_cb = cb;	1112	syserr_cb = cb;
638	}	1113	}
639		1114
640	static void noinline	1115	static void noinline ecb_cold
641	ev_syserr (const char *msg)	1116	ev_syserr (const char *msg)
642	{	1117	{
643	if (!msg)	1118	if (!msg)
644	msg = "(libev) system error";	1119	msg = "(libev) system error";
645		1120
…		…
676	free (ptr);	1151	free (ptr);
677	return 0;	1152	return 0;
678	#endif	1153	#endif
679	}	1154	}
680		1155
681	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1156	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
682		1157
683	void	1158	void ecb_cold
684	ev_set_allocator (void *(*cb)(void *ptr, long size))	1159	ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
685	{	1160	{
686	alloc = cb;	1161	alloc = cb;
687	}	1162	}
688		1163
689	inline_speed void *	1164	inline_speed void *
…		…
777	#undef VAR	1252	#undef VAR
778	};	1253	};
779	#include "ev_wrap.h"	1254	#include "ev_wrap.h"
780		1255
781	static struct ev_loop default_loop_struct;	1256	static struct ev_loop default_loop_struct;
782	struct ev_loop *ev_default_loop_ptr;	1257	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
783		1258
784	#else	1259	#else
785		1260
786	ev_tstamp ev_rt_now;	1261	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
787	#define VAR(name,decl) static decl;	1262	#define VAR(name,decl) static decl;
788	#include "ev_vars.h"	1263	#include "ev_vars.h"
789	#undef VAR	1264	#undef VAR
790		1265
791	static int ev_default_loop_ptr;	1266	static int ev_default_loop_ptr;
…		…
806		1281
807	/*****************************************************************************/	1282	/*****************************************************************************/
808		1283
809	#ifndef EV_HAVE_EV_TIME	1284	#ifndef EV_HAVE_EV_TIME
810	ev_tstamp	1285	ev_tstamp
811	ev_time (void)	1286	ev_time (void) EV_THROW
812	{	1287	{
813	#if EV_USE_REALTIME	1288	#if EV_USE_REALTIME
814	if (expect_true (have_realtime))	1289	if (expect_true (have_realtime))
815	{	1290	{
816	struct timespec ts;	1291	struct timespec ts;
…		…
840	return ev_time ();	1315	return ev_time ();
841	}	1316	}
842		1317
843	#if EV_MULTIPLICITY	1318	#if EV_MULTIPLICITY
844	ev_tstamp	1319	ev_tstamp
845	ev_now (EV_P)	1320	ev_now (EV_P) EV_THROW
846	{	1321	{
847	return ev_rt_now;	1322	return ev_rt_now;
848	}	1323	}
849	#endif	1324	#endif
850		1325
851	void	1326	void
852	ev_sleep (ev_tstamp delay)	1327	ev_sleep (ev_tstamp delay) EV_THROW
853	{	1328	{
854	if (delay > 0.)	1329	if (delay > 0.)
855	{	1330	{
856	#if EV_USE_NANOSLEEP	1331	#if EV_USE_NANOSLEEP
857	struct timespec ts;	1332	struct timespec ts;
858		1333
859	EV_TS_SET (ts, delay);	1334	EV_TS_SET (ts, delay);
860	nanosleep (&ts, 0);	1335	nanosleep (&ts, 0);
861	#elif defined(_WIN32)	1336	#elif defined _WIN32
862	Sleep ((unsigned long)(delay * 1e3));	1337	Sleep ((unsigned long)(delay * 1e3));
863	#else	1338	#else
864	struct timeval tv;	1339	struct timeval tv;
865		1340
866	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1341	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
885		1360
886	do	1361	do
887	ncur <<= 1;	1362	ncur <<= 1;
888	while (cnt > ncur);	1363	while (cnt > ncur);
889		1364
890	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1365	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
891	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1366	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
892	{	1367	{
893	ncur *= elem;	1368	ncur *= elem;
894	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1369	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
895	ncur = ncur - sizeof (void *) * 4;	1370	ncur = ncur - sizeof (void *) * 4;
…		…
897	}	1372	}
898		1373
899	return ncur;	1374	return ncur;
900	}	1375	}
901		1376
902	static noinline void *	1377	static void * noinline ecb_cold
903	array_realloc (int elem, void *base, int *cur, int cnt)	1378	array_realloc (int elem, void *base, int *cur, int cnt)
904	{	1379	{
905	*cur = array_nextsize (elem, *cur, cnt);	1380	*cur = array_nextsize (elem, *cur, cnt);
906	return ev_realloc (base, elem * *cur);	1381	return ev_realloc (base, elem * *cur);
907	}	1382	}
…		…
910	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1385	memset ((void *)(base), 0, sizeof (*(base)) * (count))
911		1386
912	#define array_needsize(type,base,cur,cnt,init) \	1387	#define array_needsize(type,base,cur,cnt,init) \
913	if (expect_false ((cnt) > (cur))) \	1388	if (expect_false ((cnt) > (cur))) \
914	{ \	1389	{ \
915	int ocur_ = (cur); \	1390	int ecb_unused ocur_ = (cur); \
916	(base) = (type *)array_realloc \	1391	(base) = (type *)array_realloc \
917	(sizeof (type), (base), &(cur), (cnt)); \	1392	(sizeof (type), (base), &(cur), (cnt)); \
918	init ((base) + (ocur_), (cur) - ocur_); \	1393	init ((base) + (ocur_), (cur) - ocur_); \
919	}	1394	}
920		1395
…		…
938	pendingcb (EV_P_ ev_prepare *w, int revents)	1413	pendingcb (EV_P_ ev_prepare *w, int revents)
939	{	1414	{
940	}	1415	}
941		1416
942	void noinline	1417	void noinline
943	ev_feed_event (EV_P_ void *w, int revents)	1418	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
944	{	1419	{
945	W w_ = (W)w;	1420	W w_ = (W)w;
946	int pri = ABSPRI (w_);	1421	int pri = ABSPRI (w_);
947		1422
948	if (expect_false (w_->pending))	1423	if (expect_false (w_->pending))
…		…
952	w_->pending = ++pendingcnt [pri];	1427	w_->pending = ++pendingcnt [pri];
953	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1428	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
954	pendings [pri][w_->pending - 1].w = w_;	1429	pendings [pri][w_->pending - 1].w = w_;
955	pendings [pri][w_->pending - 1].events = revents;	1430	pendings [pri][w_->pending - 1].events = revents;
956	}	1431	}
		1432
		1433	pendingpri = NUMPRI - 1;
957	}	1434	}
958		1435
959	inline_speed void	1436	inline_speed void
960	feed_reverse (EV_P_ W w)	1437	feed_reverse (EV_P_ W w)
961	{	1438	{
…		…
1007	if (expect_true (!anfd->reify))	1484	if (expect_true (!anfd->reify))
1008	fd_event_nocheck (EV_A_ fd, revents);	1485	fd_event_nocheck (EV_A_ fd, revents);
1009	}	1486	}
1010		1487
1011	void	1488	void
1012	ev_feed_fd_event (EV_P_ int fd, int revents)	1489	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1013	{	1490	{
1014	if (fd >= 0 && fd < anfdmax)	1491	if (fd >= 0 && fd < anfdmax)
1015	fd_event_nocheck (EV_A_ fd, revents);	1492	fd_event_nocheck (EV_A_ fd, revents);
1016	}	1493	}
1017		1494
…		…
1090	fdchanges [fdchangecnt - 1] = fd;	1567	fdchanges [fdchangecnt - 1] = fd;
1091	}	1568	}
1092	}	1569	}
1093		1570
1094	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	1571	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1095	inline_speed void	1572	inline_speed void ecb_cold
1096	fd_kill (EV_P_ int fd)	1573	fd_kill (EV_P_ int fd)
1097	{	1574	{
1098	ev_io *w;	1575	ev_io *w;
1099		1576
1100	while ((w = (ev_io *)anfds [fd].head))	1577	while ((w = (ev_io *)anfds [fd].head))
…		…
1103	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	1580	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1104	}	1581	}
1105	}	1582	}
1106		1583
1107	/* check whether the given fd is actually valid, for error recovery */	1584	/* check whether the given fd is actually valid, for error recovery */
1108	inline_size int	1585	inline_size int ecb_cold
1109	fd_valid (int fd)	1586	fd_valid (int fd)
1110	{	1587	{
1111	#ifdef _WIN32	1588	#ifdef _WIN32
1112	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1589	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1113	#else	1590	#else
1114	return fcntl (fd, F_GETFD) != -1;	1591	return fcntl (fd, F_GETFD) != -1;
1115	#endif	1592	#endif
1116	}	1593	}
1117		1594
1118	/* called on EBADF to verify fds */	1595	/* called on EBADF to verify fds */
1119	static void noinline	1596	static void noinline ecb_cold
1120	fd_ebadf (EV_P)	1597	fd_ebadf (EV_P)
1121	{	1598	{
1122	int fd;	1599	int fd;
1123		1600
1124	for (fd = 0; fd < anfdmax; ++fd)	1601	for (fd = 0; fd < anfdmax; ++fd)
…		…
1126	if (!fd_valid (fd) && errno == EBADF)	1603	if (!fd_valid (fd) && errno == EBADF)
1127	fd_kill (EV_A_ fd);	1604	fd_kill (EV_A_ fd);
1128	}	1605	}
1129		1606
1130	/* called on ENOMEM in select/poll to kill some fds and retry */	1607	/* called on ENOMEM in select/poll to kill some fds and retry */
1131	static void noinline	1608	static void noinline ecb_cold
1132	fd_enomem (EV_P)	1609	fd_enomem (EV_P)
1133	{	1610	{
1134	int fd;	1611	int fd;
1135		1612
1136	for (fd = anfdmax; fd--; )	1613	for (fd = anfdmax; fd--; )
…		…
1331		1808
1332	/*****************************************************************************/	1809	/*****************************************************************************/
1333		1810
1334	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	1811	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1335		1812
1336	static void noinline	1813	static void noinline ecb_cold
1337	evpipe_init (EV_P)	1814	evpipe_init (EV_P)
1338	{	1815	{
1339	if (!ev_is_active (&pipe_w))	1816	if (!ev_is_active (&pipe_w))
1340	{	1817	{
1341	# if EV_USE_EVENTFD	1818	# if EV_USE_EVENTFD
…		…
1363	ev_io_start (EV_A_ &pipe_w);	1840	ev_io_start (EV_A_ &pipe_w);
1364	ev_unref (EV_A); /* watcher should not keep loop alive */	1841	ev_unref (EV_A); /* watcher should not keep loop alive */
1365	}	1842	}
1366	}	1843	}
1367		1844
1368	inline_size void	1845	inline_speed void
1369	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1846	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1370	{	1847	{
1371	if (!*flag)	1848	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1372	{	1849
		1850	if (expect_true (*flag))
		1851	return;
		1852
1373	*flag = 1;	1853	*flag = 1;
1374		1854
		1855	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		1856
1375	pipe_write_skipped = 1;	1857	pipe_write_skipped = 1;
1376		1858
		1859	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		1860
1377	if (pipe_write_wanted)	1861	if (pipe_write_wanted)
		1862	{
		1863	int old_errno;
		1864
		1865	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
		1866
		1867	old_errno = errno; /* save errno because write will clobber it */
		1868
		1869	#if EV_USE_EVENTFD
		1870	if (evfd >= 0)
1378	{	1871	{
1379	int old_errno = errno; /* save errno because write will clobber it */
1380	char dummy;
1381
1382	pipe_write_skipped = 0;
1383
1384	#if EV_USE_EVENTFD
1385	if (evfd >= 0)
1386	{
1387	uint64_t counter = 1;	1872	uint64_t counter = 1;
1388	write (evfd, &counter, sizeof (uint64_t));	1873	write (evfd, &counter, sizeof (uint64_t));
1389	}
1390	else
1391	#endif
1392	{
1393	/* win32 people keep sending patches that change this write() to send() */
1394	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1395	/* so when you think this write should be a send instead, please find out */
1396	/* where your send() is from - it's definitely not the microsoft send, and */
1397	/* tell me. thank you. */
1398	write (evpipe [1], &dummy, 1);
1399	}
1400
1401	errno = old_errno;
1402	}	1874	}
		1875	else
		1876	#endif
		1877	{
		1878	#ifdef _WIN32
		1879	WSABUF buf;
		1880	DWORD sent;
		1881	buf.buf = &buf;
		1882	buf.len = 1;
		1883	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
		1884	#else
		1885	write (evpipe [1], &(evpipe [1]), 1);
		1886	#endif
		1887	}
		1888
		1889	errno = old_errno;
1403	}	1890	}
1404	}	1891	}
1405		1892
1406	/* called whenever the libev signal pipe */	1893	/* called whenever the libev signal pipe */
1407	/* got some events (signal, async) */	1894	/* got some events (signal, async) */
…		…
1419	read (evfd, &counter, sizeof (uint64_t));	1906	read (evfd, &counter, sizeof (uint64_t));
1420	}	1907	}
1421	else	1908	else
1422	#endif	1909	#endif
1423	{	1910	{
1424	char dummy;	1911	char dummy[4];
1425	/* see discussion in evpipe_write when you think this read should be recv in win32 */	1912	#ifdef _WIN32
		1913	WSABUF buf;
		1914	DWORD recvd;
		1915	buf.buf = dummy;
		1916	buf.len = sizeof (dummy);
		1917	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0);
		1918	#else
1426	read (evpipe [0], &dummy, 1);	1919	read (evpipe [0], &dummy, sizeof (dummy));
		1920	#endif
1427	}	1921	}
1428	}	1922	}
1429		1923
1430	pipe_write_skipped = 0;	1924	pipe_write_skipped = 0;
		1925
		1926	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1431		1927
1432	#if EV_SIGNAL_ENABLE	1928	#if EV_SIGNAL_ENABLE
1433	if (sig_pending)	1929	if (sig_pending)
1434	{	1930	{
1435	sig_pending = 0;	1931	sig_pending = 0;
		1932
		1933	ECB_MEMORY_FENCE_RELEASE;
1436		1934
1437	for (i = EV_NSIG - 1; i--; )	1935	for (i = EV_NSIG - 1; i--; )
1438	if (expect_false (signals [i].pending))	1936	if (expect_false (signals [i].pending))
1439	ev_feed_signal_event (EV_A_ i + 1);	1937	ev_feed_signal_event (EV_A_ i + 1);
1440	}	1938	}
…		…
1442		1940
1443	#if EV_ASYNC_ENABLE	1941	#if EV_ASYNC_ENABLE
1444	if (async_pending)	1942	if (async_pending)
1445	{	1943	{
1446	async_pending = 0;	1944	async_pending = 0;
		1945
		1946	ECB_MEMORY_FENCE_RELEASE;
1447		1947
1448	for (i = asynccnt; i--; )	1948	for (i = asynccnt; i--; )
1449	if (asyncs [i]->sent)	1949	if (asyncs [i]->sent)
1450	{	1950	{
1451	asyncs [i]->sent = 0;	1951	asyncs [i]->sent = 0;
…		…
1456	}	1956	}
1457		1957
1458	/*****************************************************************************/	1958	/*****************************************************************************/
1459		1959
1460	void	1960	void
1461	ev_feed_signal (int signum)	1961	ev_feed_signal (int signum) EV_THROW
1462	{	1962	{
1463	#if EV_MULTIPLICITY	1963	#if EV_MULTIPLICITY
1464	EV_P = signals [signum - 1].loop;	1964	EV_P = signals [signum - 1].loop;
1465		1965
1466	if (!EV_A)	1966	if (!EV_A)
1467	return;	1967	return;
1468	#endif	1968	#endif
1469		1969
1470	evpipe_init (EV_A);	1970	if (!ev_active (&pipe_w))
		1971	return;
1471		1972
1472	signals [signum - 1].pending = 1;	1973	signals [signum - 1].pending = 1;
1473	evpipe_write (EV_A_ &sig_pending);	1974	evpipe_write (EV_A_ &sig_pending);
1474	}	1975	}
1475		1976
…		…
1482		1983
1483	ev_feed_signal (signum);	1984	ev_feed_signal (signum);
1484	}	1985	}
1485		1986
1486	void noinline	1987	void noinline
1487	ev_feed_signal_event (EV_P_ int signum)	1988	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1488	{	1989	{
1489	WL w;	1990	WL w;
1490		1991
1491	if (expect_false (signum <= 0 || signum > EV_NSIG))	1992	if (expect_false (signum <= 0 || signum > EV_NSIG))
1492	return;	1993	return;
…		…
1607	#endif	2108	#endif
1608	#if EV_USE_SELECT	2109	#if EV_USE_SELECT
1609	# include "ev_select.c"	2110	# include "ev_select.c"
1610	#endif	2111	#endif
1611		2112
1612	int	2113	int ecb_cold
1613	ev_version_major (void)	2114	ev_version_major (void) EV_THROW
1614	{	2115	{
1615	return EV_VERSION_MAJOR;	2116	return EV_VERSION_MAJOR;
1616	}	2117	}
1617		2118
1618	int	2119	int ecb_cold
1619	ev_version_minor (void)	2120	ev_version_minor (void) EV_THROW
1620	{	2121	{
1621	return EV_VERSION_MINOR;	2122	return EV_VERSION_MINOR;
1622	}	2123	}
1623		2124
1624	/* return true if we are running with elevated privileges and should ignore env variables */	2125	/* return true if we are running with elevated privileges and should ignore env variables */
1625	int inline_size	2126	int inline_size ecb_cold
1626	enable_secure (void)	2127	enable_secure (void)
1627	{	2128	{
1628	#ifdef _WIN32	2129	#ifdef _WIN32
1629	return 0;	2130	return 0;
1630	#else	2131	#else
1631	return getuid () != geteuid ()	2132	return getuid () != geteuid ()
1632	|| getgid () != getegid ();	2133	|| getgid () != getegid ();
1633	#endif	2134	#endif
1634	}	2135	}
1635		2136
1636	unsigned int	2137	unsigned int ecb_cold
1637	ev_supported_backends (void)	2138	ev_supported_backends (void) EV_THROW
1638	{	2139	{
1639	unsigned int flags = 0;	2140	unsigned int flags = 0;
1640		2141
1641	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2142	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1642	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2143	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
1645	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2146	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
1646		2147
1647	return flags;	2148	return flags;
1648	}	2149	}
1649		2150
1650	unsigned int	2151	unsigned int ecb_cold
1651	ev_recommended_backends (void)	2152	ev_recommended_backends (void) EV_THROW
1652	{	2153	{
1653	unsigned int flags = ev_supported_backends ();	2154	unsigned int flags = ev_supported_backends ();
1654		2155
1655	#ifndef __NetBSD__	2156	#ifndef __NetBSD__
1656	/* kqueue is borked on everything but netbsd apparently */	2157	/* kqueue is borked on everything but netbsd apparently */
…		…
1667	#endif	2168	#endif
1668		2169
1669	return flags;	2170	return flags;
1670	}	2171	}
1671		2172
1672	unsigned int	2173	unsigned int ecb_cold
1673	ev_embeddable_backends (void)	2174	ev_embeddable_backends (void) EV_THROW
1674	{	2175	{
1675	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2176	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1676		2177
1677	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2178	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1678	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2179	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
1680		2181
1681	return flags;	2182	return flags;
1682	}	2183	}
1683		2184
1684	unsigned int	2185	unsigned int
1685	ev_backend (EV_P)	2186	ev_backend (EV_P) EV_THROW
1686	{	2187	{
1687	return backend;	2188	return backend;
1688	}	2189	}
1689		2190
1690	#if EV_FEATURE_API	2191	#if EV_FEATURE_API
1691	unsigned int	2192	unsigned int
1692	ev_iteration (EV_P)	2193	ev_iteration (EV_P) EV_THROW
1693	{	2194	{
1694	return loop_count;	2195	return loop_count;
1695	}	2196	}
1696		2197
1697	unsigned int	2198	unsigned int
1698	ev_depth (EV_P)	2199	ev_depth (EV_P) EV_THROW
1699	{	2200	{
1700	return loop_depth;	2201	return loop_depth;
1701	}	2202	}
1702		2203
1703	void	2204	void
1704	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2205	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1705	{	2206	{
1706	io_blocktime = interval;	2207	io_blocktime = interval;
1707	}	2208	}
1708		2209
1709	void	2210	void
1710	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2211	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1711	{	2212	{
1712	timeout_blocktime = interval;	2213	timeout_blocktime = interval;
1713	}	2214	}
1714		2215
1715	void	2216	void
1716	ev_set_userdata (EV_P_ void *data)	2217	ev_set_userdata (EV_P_ void *data) EV_THROW
1717	{	2218	{
1718	userdata = data;	2219	userdata = data;
1719	}	2220	}
1720		2221
1721	void *	2222	void *
1722	ev_userdata (EV_P)	2223	ev_userdata (EV_P) EV_THROW
1723	{	2224	{
1724	return userdata;	2225	return userdata;
1725	}	2226	}
1726		2227
		2228	void
1727	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2229	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
1728	{	2230	{
1729	invoke_cb = invoke_pending_cb;	2231	invoke_cb = invoke_pending_cb;
1730	}	2232	}
1731		2233
		2234	void
1732	void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2235	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1733	{	2236	{
1734	release_cb = release;	2237	release_cb = release;
1735	acquire_cb = acquire;	2238	acquire_cb = acquire;
1736	}	2239	}
1737	#endif	2240	#endif
1738		2241
1739	/* initialise a loop structure, must be zero-initialised */	2242	/* initialise a loop structure, must be zero-initialised */
1740	static void noinline	2243	static void noinline ecb_cold
1741	loop_init (EV_P_ unsigned int flags)	2244	loop_init (EV_P_ unsigned int flags) EV_THROW
1742	{	2245	{
1743	if (!backend)	2246	if (!backend)
1744	{	2247	{
1745	origflags = flags;	2248	origflags = flags;
1746		2249
…		…
1830	#endif	2333	#endif
1831	}	2334	}
1832	}	2335	}
1833		2336
1834	/* free up a loop structure */	2337	/* free up a loop structure */
1835	void	2338	void ecb_cold
1836	ev_loop_destroy (EV_P)	2339	ev_loop_destroy (EV_P)
1837	{	2340	{
1838	int i;	2341	int i;
1839		2342
1840	#if EV_MULTIPLICITY	2343	#if EV_MULTIPLICITY
…		…
1998	postfork = 0;	2501	postfork = 0;
1999	}	2502	}
2000		2503
2001	#if EV_MULTIPLICITY	2504	#if EV_MULTIPLICITY
2002		2505
2003	struct ev_loop *	2506	struct ev_loop * ecb_cold
2004	ev_loop_new (unsigned int flags)	2507	ev_loop_new (unsigned int flags) EV_THROW
2005	{	2508	{
2006	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2509	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2007		2510
2008	memset (EV_A, 0, sizeof (struct ev_loop));	2511	memset (EV_A, 0, sizeof (struct ev_loop));
2009	loop_init (EV_A_ flags);	2512	loop_init (EV_A_ flags);
…		…
2016	}	2519	}
2017		2520
2018	#endif /* multiplicity */	2521	#endif /* multiplicity */
2019		2522
2020	#if EV_VERIFY	2523	#if EV_VERIFY
2021	static void noinline	2524	static void noinline ecb_cold
2022	verify_watcher (EV_P_ W w)	2525	verify_watcher (EV_P_ W w)
2023	{	2526	{
2024	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	2527	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2025		2528
2026	if (w->pending)	2529	if (w->pending)
2027	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	2530	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2028	}	2531	}
2029		2532
2030	static void noinline	2533	static void noinline ecb_cold
2031	verify_heap (EV_P_ ANHE *heap, int N)	2534	verify_heap (EV_P_ ANHE *heap, int N)
2032	{	2535	{
2033	int i;	2536	int i;
2034		2537
2035	for (i = HEAP0; i < N + HEAP0; ++i)	2538	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2040		2543
2041	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	2544	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2042	}	2545	}
2043	}	2546	}
2044		2547
2045	static void noinline	2548	static void noinline ecb_cold
2046	array_verify (EV_P_ W *ws, int cnt)	2549	array_verify (EV_P_ W *ws, int cnt)
2047	{	2550	{
2048	while (cnt--)	2551	while (cnt--)
2049	{	2552	{
2050	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	2553	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2052	}	2555	}
2053	}	2556	}
2054	#endif	2557	#endif
2055		2558
2056	#if EV_FEATURE_API	2559	#if EV_FEATURE_API
2057	void	2560	void ecb_cold
2058	ev_verify (EV_P)	2561	ev_verify (EV_P) EV_THROW
2059	{	2562	{
2060	#if EV_VERIFY	2563	#if EV_VERIFY
2061	int i;	2564	int i;
2062	WL w;	2565	WL w, w2;
2063		2566
2064	assert (activecnt >= -1);	2567	assert (activecnt >= -1);
2065		2568
2066	assert (fdchangemax >= fdchangecnt);	2569	assert (fdchangemax >= fdchangecnt);
2067	for (i = 0; i < fdchangecnt; ++i)	2570	for (i = 0; i < fdchangecnt; ++i)
2068	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2571	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2069		2572
2070	assert (anfdmax >= 0);	2573	assert (anfdmax >= 0);
2071	for (i = 0; i < anfdmax; ++i)	2574	for (i = 0; i < anfdmax; ++i)
		2575	{
		2576	int j = 0;
		2577
2072	for (w = anfds [i].head; w; w = w->next)	2578	for (w = w2 = anfds [i].head; w; w = w->next)
2073	{	2579	{
2074	verify_watcher (EV_A_ (W)w);	2580	verify_watcher (EV_A_ (W)w);
		2581
		2582	if (j++ & 1)
		2583	{
		2584	assert (("libev: io watcher list contains a loop", w != w2));
		2585	w2 = w2->next;
		2586	}
		2587
2075	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2588	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2076	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2589	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2077	}	2590	}
		2591	}
2078		2592
2079	assert (timermax >= timercnt);	2593	assert (timermax >= timercnt);
2080	verify_heap (EV_A_ timers, timercnt);	2594	verify_heap (EV_A_ timers, timercnt);
2081		2595
2082	#if EV_PERIODIC_ENABLE	2596	#if EV_PERIODIC_ENABLE
…		…
2128	#endif	2642	#endif
2129	}	2643	}
2130	#endif	2644	#endif
2131		2645
2132	#if EV_MULTIPLICITY	2646	#if EV_MULTIPLICITY
2133	struct ev_loop *	2647	struct ev_loop * ecb_cold
2134	#else	2648	#else
2135	int	2649	int
2136	#endif	2650	#endif
2137	ev_default_loop (unsigned int flags)	2651	ev_default_loop (unsigned int flags) EV_THROW
2138	{	2652	{
2139	if (!ev_default_loop_ptr)	2653	if (!ev_default_loop_ptr)
2140	{	2654	{
2141	#if EV_MULTIPLICITY	2655	#if EV_MULTIPLICITY
2142	EV_P = ev_default_loop_ptr = &default_loop_struct;	2656	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2161		2675
2162	return ev_default_loop_ptr;	2676	return ev_default_loop_ptr;
2163	}	2677	}
2164		2678
2165	void	2679	void
2166	ev_loop_fork (EV_P)	2680	ev_loop_fork (EV_P) EV_THROW
2167	{	2681	{
2168	postfork = 1; /* must be in line with ev_default_fork */	2682	postfork = 1; /* must be in line with ev_default_fork */
2169	}	2683	}
2170		2684
2171	/*****************************************************************************/	2685	/*****************************************************************************/
…		…
2175	{	2689	{
2176	EV_CB_INVOKE ((W)w, revents);	2690	EV_CB_INVOKE ((W)w, revents);
2177	}	2691	}
2178		2692
2179	unsigned int	2693	unsigned int
2180	ev_pending_count (EV_P)	2694	ev_pending_count (EV_P) EV_THROW
2181	{	2695	{
2182	int pri;	2696	int pri;
2183	unsigned int count = 0;	2697	unsigned int count = 0;
2184		2698
2185	for (pri = NUMPRI; pri--; )	2699	for (pri = NUMPRI; pri--; )
…		…
2189	}	2703	}
2190		2704
2191	void noinline	2705	void noinline
2192	ev_invoke_pending (EV_P)	2706	ev_invoke_pending (EV_P)
2193	{	2707	{
2194	int pri;	2708	for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2195
2196	for (pri = NUMPRI; pri--; )
2197	while (pendingcnt [pri])	2709	while (pendingcnt [pendingpri])
2198	{	2710	{
2199	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2711	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2200		2712
2201	p->w->pending = 0;	2713	p->w->pending = 0;
2202	EV_CB_INVOKE (p->w, p->events);	2714	EV_CB_INVOKE (p->w, p->events);
2203	EV_FREQUENT_CHECK;	2715	EV_FREQUENT_CHECK;
2204	}	2716	}
…		…
2337	}	2849	}
2338	}	2850	}
2339		2851
2340	/* simply recalculate all periodics */	2852	/* simply recalculate all periodics */
2341	/* TODO: maybe ensure that at least one event happens when jumping forward? */	2853	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2342	static void noinline	2854	static void noinline ecb_cold
2343	periodics_reschedule (EV_P)	2855	periodics_reschedule (EV_P)
2344	{	2856	{
2345	int i;	2857	int i;
2346		2858
2347	/* adjust periodics after time jump */	2859	/* adjust periodics after time jump */
…		…
2360	reheap (periodics, periodiccnt);	2872	reheap (periodics, periodiccnt);
2361	}	2873	}
2362	#endif	2874	#endif
2363		2875
2364	/* adjust all timers by a given offset */	2876	/* adjust all timers by a given offset */
2365	static void noinline	2877	static void noinline ecb_cold
2366	timers_reschedule (EV_P_ ev_tstamp adjust)	2878	timers_reschedule (EV_P_ ev_tstamp adjust)
2367	{	2879	{
2368	int i;	2880	int i;
2369		2881
2370	for (i = 0; i < timercnt; ++i)	2882	for (i = 0; i < timercnt; ++i)
…		…
2444		2956
2445	mn_now = ev_rt_now;	2957	mn_now = ev_rt_now;
2446	}	2958	}
2447	}	2959	}
2448		2960
2449	void	2961	int
2450	ev_run (EV_P_ int flags)	2962	ev_run (EV_P_ int flags)
2451	{	2963	{
2452	#if EV_FEATURE_API	2964	#if EV_FEATURE_API
2453	++loop_depth;	2965	++loop_depth;
2454	#endif	2966	#endif
…		…
2515	time_update (EV_A_ 1e100);	3027	time_update (EV_A_ 1e100);
2516		3028
2517	/* from now on, we want a pipe-wake-up */	3029	/* from now on, we want a pipe-wake-up */
2518	pipe_write_wanted = 1;	3030	pipe_write_wanted = 1;
2519		3031
		3032	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
		3033
2520	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3034	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2521	{	3035	{
2522	waittime = MAX_BLOCKTIME;	3036	waittime = MAX_BLOCKTIME;
2523		3037
2524	if (timercnt)	3038	if (timercnt)
…		…
2565	#endif	3079	#endif
2566	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3080	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2567	backend_poll (EV_A_ waittime);	3081	backend_poll (EV_A_ waittime);
2568	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3082	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2569		3083
2570	pipe_write_wanted = 0;	3084	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2571		3085
2572	if (pipe_write_skipped)	3086	if (pipe_write_skipped)
2573	{	3087	{
2574	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3088	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2575	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3089	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
…		…
2609	loop_done = EVBREAK_CANCEL;	3123	loop_done = EVBREAK_CANCEL;
2610		3124
2611	#if EV_FEATURE_API	3125	#if EV_FEATURE_API
2612	--loop_depth;	3126	--loop_depth;
2613	#endif	3127	#endif
		3128
		3129	return activecnt;
2614	}	3130	}
2615		3131
2616	void	3132	void
2617	ev_break (EV_P_ int how)	3133	ev_break (EV_P_ int how) EV_THROW
2618	{	3134	{
2619	loop_done = how;	3135	loop_done = how;
2620	}	3136	}
2621		3137
2622	void	3138	void
2623	ev_ref (EV_P)	3139	ev_ref (EV_P) EV_THROW
2624	{	3140	{
2625	++activecnt;	3141	++activecnt;
2626	}	3142	}
2627		3143
2628	void	3144	void
2629	ev_unref (EV_P)	3145	ev_unref (EV_P) EV_THROW
2630	{	3146	{
2631	--activecnt;	3147	--activecnt;
2632	}	3148	}
2633		3149
2634	void	3150	void
2635	ev_now_update (EV_P)	3151	ev_now_update (EV_P) EV_THROW
2636	{	3152	{
2637	time_update (EV_A_ 1e100);	3153	time_update (EV_A_ 1e100);
2638	}	3154	}
2639		3155
2640	void	3156	void
2641	ev_suspend (EV_P)	3157	ev_suspend (EV_P) EV_THROW
2642	{	3158	{
2643	ev_now_update (EV_A);	3159	ev_now_update (EV_A);
2644	}	3160	}
2645		3161
2646	void	3162	void
2647	ev_resume (EV_P)	3163	ev_resume (EV_P) EV_THROW
2648	{	3164	{
2649	ev_tstamp mn_prev = mn_now;	3165	ev_tstamp mn_prev = mn_now;
2650		3166
2651	ev_now_update (EV_A);	3167	ev_now_update (EV_A);
2652	timers_reschedule (EV_A_ mn_now - mn_prev);	3168	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
2691	w->pending = 0;	3207	w->pending = 0;
2692	}	3208	}
2693	}	3209	}
2694		3210
2695	int	3211	int
2696	ev_clear_pending (EV_P_ void *w)	3212	ev_clear_pending (EV_P_ void *w) EV_THROW
2697	{	3213	{
2698	W w_ = (W)w;	3214	W w_ = (W)w;
2699	int pending = w_->pending;	3215	int pending = w_->pending;
2700		3216
2701	if (expect_true (pending))	3217	if (expect_true (pending))
…		…
2734	}	3250	}
2735		3251
2736	/*****************************************************************************/	3252	/*****************************************************************************/
2737		3253
2738	void noinline	3254	void noinline
2739	ev_io_start (EV_P_ ev_io *w)	3255	ev_io_start (EV_P_ ev_io *w) EV_THROW
2740	{	3256	{
2741	int fd = w->fd;	3257	int fd = w->fd;
2742		3258
2743	if (expect_false (ev_is_active (w)))	3259	if (expect_false (ev_is_active (w)))
2744	return;	3260	return;
…		…
2750		3266
2751	ev_start (EV_A_ (W)w, 1);	3267	ev_start (EV_A_ (W)w, 1);
2752	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3268	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2753	wlist_add (&anfds[fd].head, (WL)w);	3269	wlist_add (&anfds[fd].head, (WL)w);
2754		3270
		3271	/* common bug, apparently */
		3272	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3273
2755	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3274	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2756	w->events &= ~EV__IOFDSET;	3275	w->events &= ~EV__IOFDSET;
2757		3276
2758	EV_FREQUENT_CHECK;	3277	EV_FREQUENT_CHECK;
2759	}	3278	}
2760		3279
2761	void noinline	3280	void noinline
2762	ev_io_stop (EV_P_ ev_io *w)	3281	ev_io_stop (EV_P_ ev_io *w) EV_THROW
2763	{	3282	{
2764	clear_pending (EV_A_ (W)w);	3283	clear_pending (EV_A_ (W)w);
2765	if (expect_false (!ev_is_active (w)))	3284	if (expect_false (!ev_is_active (w)))
2766	return;	3285	return;
2767		3286
…		…
2776		3295
2777	EV_FREQUENT_CHECK;	3296	EV_FREQUENT_CHECK;
2778	}	3297	}
2779		3298
2780	void noinline	3299	void noinline
2781	ev_timer_start (EV_P_ ev_timer *w)	3300	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2782	{	3301	{
2783	if (expect_false (ev_is_active (w)))	3302	if (expect_false (ev_is_active (w)))
2784	return;	3303	return;
2785		3304
2786	ev_at (w) += mn_now;	3305	ev_at (w) += mn_now;
…		…
2800		3319
2801	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3320	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2802	}	3321	}
2803		3322
2804	void noinline	3323	void noinline
2805	ev_timer_stop (EV_P_ ev_timer *w)	3324	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2806	{	3325	{
2807	clear_pending (EV_A_ (W)w);	3326	clear_pending (EV_A_ (W)w);
2808	if (expect_false (!ev_is_active (w)))	3327	if (expect_false (!ev_is_active (w)))
2809	return;	3328	return;
2810		3329
…		…
2830		3349
2831	EV_FREQUENT_CHECK;	3350	EV_FREQUENT_CHECK;
2832	}	3351	}
2833		3352
2834	void noinline	3353	void noinline
2835	ev_timer_again (EV_P_ ev_timer *w)	3354	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2836	{	3355	{
2837	EV_FREQUENT_CHECK;	3356	EV_FREQUENT_CHECK;
		3357
		3358	clear_pending (EV_A_ (W)w);
2838		3359
2839	if (ev_is_active (w))	3360	if (ev_is_active (w))
2840	{	3361	{
2841	if (w->repeat)	3362	if (w->repeat)
2842	{	3363	{
…		…
2855		3376
2856	EV_FREQUENT_CHECK;	3377	EV_FREQUENT_CHECK;
2857	}	3378	}
2858		3379
2859	ev_tstamp	3380	ev_tstamp
2860	ev_timer_remaining (EV_P_ ev_timer *w)	3381	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2861	{	3382	{
2862	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3383	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2863	}	3384	}
2864		3385
2865	#if EV_PERIODIC_ENABLE	3386	#if EV_PERIODIC_ENABLE
2866	void noinline	3387	void noinline
2867	ev_periodic_start (EV_P_ ev_periodic *w)	3388	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2868	{	3389	{
2869	if (expect_false (ev_is_active (w)))	3390	if (expect_false (ev_is_active (w)))
2870	return;	3391	return;
2871		3392
2872	if (w->reschedule_cb)	3393	if (w->reschedule_cb)
…		…
2892		3413
2893	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3414	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2894	}	3415	}
2895		3416
2896	void noinline	3417	void noinline
2897	ev_periodic_stop (EV_P_ ev_periodic *w)	3418	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
2898	{	3419	{
2899	clear_pending (EV_A_ (W)w);	3420	clear_pending (EV_A_ (W)w);
2900	if (expect_false (!ev_is_active (w)))	3421	if (expect_false (!ev_is_active (w)))
2901	return;	3422	return;
2902		3423
…		…
2920		3441
2921	EV_FREQUENT_CHECK;	3442	EV_FREQUENT_CHECK;
2922	}	3443	}
2923		3444
2924	void noinline	3445	void noinline
2925	ev_periodic_again (EV_P_ ev_periodic *w)	3446	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
2926	{	3447	{
2927	/* TODO: use adjustheap and recalculation */	3448	/* TODO: use adjustheap and recalculation */
2928	ev_periodic_stop (EV_A_ w);	3449	ev_periodic_stop (EV_A_ w);
2929	ev_periodic_start (EV_A_ w);	3450	ev_periodic_start (EV_A_ w);
2930	}	3451	}
…		…
2935	#endif	3456	#endif
2936		3457
2937	#if EV_SIGNAL_ENABLE	3458	#if EV_SIGNAL_ENABLE
2938		3459
2939	void noinline	3460	void noinline
2940	ev_signal_start (EV_P_ ev_signal *w)	3461	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
2941	{	3462	{
2942	if (expect_false (ev_is_active (w)))	3463	if (expect_false (ev_is_active (w)))
2943	return;	3464	return;
2944		3465
2945	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3466	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3016		3537
3017	EV_FREQUENT_CHECK;	3538	EV_FREQUENT_CHECK;
3018	}	3539	}
3019		3540
3020	void noinline	3541	void noinline
3021	ev_signal_stop (EV_P_ ev_signal *w)	3542	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3022	{	3543	{
3023	clear_pending (EV_A_ (W)w);	3544	clear_pending (EV_A_ (W)w);
3024	if (expect_false (!ev_is_active (w)))	3545	if (expect_false (!ev_is_active (w)))
3025	return;	3546	return;
3026		3547
…		…
3057	#endif	3578	#endif
3058		3579
3059	#if EV_CHILD_ENABLE	3580	#if EV_CHILD_ENABLE
3060		3581
3061	void	3582	void
3062	ev_child_start (EV_P_ ev_child *w)	3583	ev_child_start (EV_P_ ev_child *w) EV_THROW
3063	{	3584	{
3064	#if EV_MULTIPLICITY	3585	#if EV_MULTIPLICITY
3065	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3586	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3066	#endif	3587	#endif
3067	if (expect_false (ev_is_active (w)))	3588	if (expect_false (ev_is_active (w)))
…		…
3074		3595
3075	EV_FREQUENT_CHECK;	3596	EV_FREQUENT_CHECK;
3076	}	3597	}
3077		3598
3078	void	3599	void
3079	ev_child_stop (EV_P_ ev_child *w)	3600	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3080	{	3601	{
3081	clear_pending (EV_A_ (W)w);	3602	clear_pending (EV_A_ (W)w);
3082	if (expect_false (!ev_is_active (w)))	3603	if (expect_false (!ev_is_active (w)))
3083	return;	3604	return;
3084		3605
…		…
3236	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3757	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3237	ofs += sizeof (struct inotify_event) + ev->len;	3758	ofs += sizeof (struct inotify_event) + ev->len;
3238	}	3759	}
3239	}	3760	}
3240		3761
3241	inline_size void	3762	inline_size void ecb_cold
3242	ev_check_2625 (EV_P)	3763	ev_check_2625 (EV_P)
3243	{	3764	{
3244	/* kernels < 2.6.25 are borked	3765	/* kernels < 2.6.25 are borked
3245	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3766	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3246	*/	3767	*/
…		…
3251	}	3772	}
3252		3773
3253	inline_size int	3774	inline_size int
3254	infy_newfd (void)	3775	infy_newfd (void)
3255	{	3776	{
3256	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	3777	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3257	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	3778	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3258	if (fd >= 0)	3779	if (fd >= 0)
3259	return fd;	3780	return fd;
3260	#endif	3781	#endif
3261	return inotify_init ();	3782	return inotify_init ();
…		…
3336	#else	3857	#else
3337	# define EV_LSTAT(p,b) lstat (p, b)	3858	# define EV_LSTAT(p,b) lstat (p, b)
3338	#endif	3859	#endif
3339		3860
3340	void	3861	void
3341	ev_stat_stat (EV_P_ ev_stat *w)	3862	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3342	{	3863	{
3343	if (lstat (w->path, &w->attr) < 0)	3864	if (lstat (w->path, &w->attr) < 0)
3344	w->attr.st_nlink = 0;	3865	w->attr.st_nlink = 0;
3345	else if (!w->attr.st_nlink)	3866	else if (!w->attr.st_nlink)
3346	w->attr.st_nlink = 1;	3867	w->attr.st_nlink = 1;
…		…
3385	ev_feed_event (EV_A_ w, EV_STAT);	3906	ev_feed_event (EV_A_ w, EV_STAT);
3386	}	3907	}
3387	}	3908	}
3388		3909
3389	void	3910	void
3390	ev_stat_start (EV_P_ ev_stat *w)	3911	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3391	{	3912	{
3392	if (expect_false (ev_is_active (w)))	3913	if (expect_false (ev_is_active (w)))
3393	return;	3914	return;
3394		3915
3395	ev_stat_stat (EV_A_ w);	3916	ev_stat_stat (EV_A_ w);
…		…
3416		3937
3417	EV_FREQUENT_CHECK;	3938	EV_FREQUENT_CHECK;
3418	}	3939	}
3419		3940
3420	void	3941	void
3421	ev_stat_stop (EV_P_ ev_stat *w)	3942	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3422	{	3943	{
3423	clear_pending (EV_A_ (W)w);	3944	clear_pending (EV_A_ (W)w);
3424	if (expect_false (!ev_is_active (w)))	3945	if (expect_false (!ev_is_active (w)))
3425	return;	3946	return;
3426		3947
…		…
3442	}	3963	}
3443	#endif	3964	#endif
3444		3965
3445	#if EV_IDLE_ENABLE	3966	#if EV_IDLE_ENABLE
3446	void	3967	void
3447	ev_idle_start (EV_P_ ev_idle *w)	3968	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3448	{	3969	{
3449	if (expect_false (ev_is_active (w)))	3970	if (expect_false (ev_is_active (w)))
3450	return;	3971	return;
3451		3972
3452	pri_adjust (EV_A_ (W)w);	3973	pri_adjust (EV_A_ (W)w);
…		…
3465		3986
3466	EV_FREQUENT_CHECK;	3987	EV_FREQUENT_CHECK;
3467	}	3988	}
3468		3989
3469	void	3990	void
3470	ev_idle_stop (EV_P_ ev_idle *w)	3991	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3471	{	3992	{
3472	clear_pending (EV_A_ (W)w);	3993	clear_pending (EV_A_ (W)w);
3473	if (expect_false (!ev_is_active (w)))	3994	if (expect_false (!ev_is_active (w)))
3474	return;	3995	return;
3475		3996
…		…
3489	}	4010	}
3490	#endif	4011	#endif
3491		4012
3492	#if EV_PREPARE_ENABLE	4013	#if EV_PREPARE_ENABLE
3493	void	4014	void
3494	ev_prepare_start (EV_P_ ev_prepare *w)	4015	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3495	{	4016	{
3496	if (expect_false (ev_is_active (w)))	4017	if (expect_false (ev_is_active (w)))
3497	return;	4018	return;
3498		4019
3499	EV_FREQUENT_CHECK;	4020	EV_FREQUENT_CHECK;
…		…
3504		4025
3505	EV_FREQUENT_CHECK;	4026	EV_FREQUENT_CHECK;
3506	}	4027	}
3507		4028
3508	void	4029	void
3509	ev_prepare_stop (EV_P_ ev_prepare *w)	4030	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3510	{	4031	{
3511	clear_pending (EV_A_ (W)w);	4032	clear_pending (EV_A_ (W)w);
3512	if (expect_false (!ev_is_active (w)))	4033	if (expect_false (!ev_is_active (w)))
3513	return;	4034	return;
3514		4035
…		…
3527	}	4048	}
3528	#endif	4049	#endif
3529		4050
3530	#if EV_CHECK_ENABLE	4051	#if EV_CHECK_ENABLE
3531	void	4052	void
3532	ev_check_start (EV_P_ ev_check *w)	4053	ev_check_start (EV_P_ ev_check *w) EV_THROW
3533	{	4054	{
3534	if (expect_false (ev_is_active (w)))	4055	if (expect_false (ev_is_active (w)))
3535	return;	4056	return;
3536		4057
3537	EV_FREQUENT_CHECK;	4058	EV_FREQUENT_CHECK;
…		…
3542		4063
3543	EV_FREQUENT_CHECK;	4064	EV_FREQUENT_CHECK;
3544	}	4065	}
3545		4066
3546	void	4067	void
3547	ev_check_stop (EV_P_ ev_check *w)	4068	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3548	{	4069	{
3549	clear_pending (EV_A_ (W)w);	4070	clear_pending (EV_A_ (W)w);
3550	if (expect_false (!ev_is_active (w)))	4071	if (expect_false (!ev_is_active (w)))
3551	return;	4072	return;
3552		4073
…		…
3565	}	4086	}
3566	#endif	4087	#endif
3567		4088
3568	#if EV_EMBED_ENABLE	4089	#if EV_EMBED_ENABLE
3569	void noinline	4090	void noinline
3570	ev_embed_sweep (EV_P_ ev_embed *w)	4091	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3571	{	4092	{
3572	ev_run (w->other, EVRUN_NOWAIT);	4093	ev_run (w->other, EVRUN_NOWAIT);
3573	}	4094	}
3574		4095
3575	static void	4096	static void
…		…
3623	ev_idle_stop (EV_A_ idle);	4144	ev_idle_stop (EV_A_ idle);
3624	}	4145	}
3625	#endif	4146	#endif
3626		4147
3627	void	4148	void
3628	ev_embed_start (EV_P_ ev_embed *w)	4149	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3629	{	4150	{
3630	if (expect_false (ev_is_active (w)))	4151	if (expect_false (ev_is_active (w)))
3631	return;	4152	return;
3632		4153
3633	{	4154	{
…		…
3654		4175
3655	EV_FREQUENT_CHECK;	4176	EV_FREQUENT_CHECK;
3656	}	4177	}
3657		4178
3658	void	4179	void
3659	ev_embed_stop (EV_P_ ev_embed *w)	4180	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3660	{	4181	{
3661	clear_pending (EV_A_ (W)w);	4182	clear_pending (EV_A_ (W)w);
3662	if (expect_false (!ev_is_active (w)))	4183	if (expect_false (!ev_is_active (w)))
3663	return;	4184	return;
3664		4185
…		…
3674	}	4195	}
3675	#endif	4196	#endif
3676		4197
3677	#if EV_FORK_ENABLE	4198	#if EV_FORK_ENABLE
3678	void	4199	void
3679	ev_fork_start (EV_P_ ev_fork *w)	4200	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3680	{	4201	{
3681	if (expect_false (ev_is_active (w)))	4202	if (expect_false (ev_is_active (w)))
3682	return;	4203	return;
3683		4204
3684	EV_FREQUENT_CHECK;	4205	EV_FREQUENT_CHECK;
…		…
3689		4210
3690	EV_FREQUENT_CHECK;	4211	EV_FREQUENT_CHECK;
3691	}	4212	}
3692		4213
3693	void	4214	void
3694	ev_fork_stop (EV_P_ ev_fork *w)	4215	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3695	{	4216	{
3696	clear_pending (EV_A_ (W)w);	4217	clear_pending (EV_A_ (W)w);
3697	if (expect_false (!ev_is_active (w)))	4218	if (expect_false (!ev_is_active (w)))
3698	return;	4219	return;
3699		4220
…		…
3712	}	4233	}
3713	#endif	4234	#endif
3714		4235
3715	#if EV_CLEANUP_ENABLE	4236	#if EV_CLEANUP_ENABLE
3716	void	4237	void
3717	ev_cleanup_start (EV_P_ ev_cleanup *w)	4238	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3718	{	4239	{
3719	if (expect_false (ev_is_active (w)))	4240	if (expect_false (ev_is_active (w)))
3720	return;	4241	return;
3721		4242
3722	EV_FREQUENT_CHECK;	4243	EV_FREQUENT_CHECK;
…		…
3729	ev_unref (EV_A);	4250	ev_unref (EV_A);
3730	EV_FREQUENT_CHECK;	4251	EV_FREQUENT_CHECK;
3731	}	4252	}
3732		4253
3733	void	4254	void
3734	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4255	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3735	{	4256	{
3736	clear_pending (EV_A_ (W)w);	4257	clear_pending (EV_A_ (W)w);
3737	if (expect_false (!ev_is_active (w)))	4258	if (expect_false (!ev_is_active (w)))
3738	return;	4259	return;
3739		4260
…		…
3753	}	4274	}
3754	#endif	4275	#endif
3755		4276
3756	#if EV_ASYNC_ENABLE	4277	#if EV_ASYNC_ENABLE
3757	void	4278	void
3758	ev_async_start (EV_P_ ev_async *w)	4279	ev_async_start (EV_P_ ev_async *w) EV_THROW
3759	{	4280	{
3760	if (expect_false (ev_is_active (w)))	4281	if (expect_false (ev_is_active (w)))
3761	return;	4282	return;
3762		4283
3763	w->sent = 0;	4284	w->sent = 0;
…		…
3772		4293
3773	EV_FREQUENT_CHECK;	4294	EV_FREQUENT_CHECK;
3774	}	4295	}
3775		4296
3776	void	4297	void
3777	ev_async_stop (EV_P_ ev_async *w)	4298	ev_async_stop (EV_P_ ev_async *w) EV_THROW
3778	{	4299	{
3779	clear_pending (EV_A_ (W)w);	4300	clear_pending (EV_A_ (W)w);
3780	if (expect_false (!ev_is_active (w)))	4301	if (expect_false (!ev_is_active (w)))
3781	return;	4302	return;
3782		4303
…		…
3793		4314
3794	EV_FREQUENT_CHECK;	4315	EV_FREQUENT_CHECK;
3795	}	4316	}
3796		4317
3797	void	4318	void
3798	ev_async_send (EV_P_ ev_async *w)	4319	ev_async_send (EV_P_ ev_async *w) EV_THROW
3799	{	4320	{
3800	w->sent = 1;	4321	w->sent = 1;
3801	evpipe_write (EV_A_ &async_pending);	4322	evpipe_write (EV_A_ &async_pending);
3802	}	4323	}
3803	#endif	4324	#endif
…		…
3840		4361
3841	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4362	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3842	}	4363	}
3843		4364
3844	void	4365	void
3845	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4366	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3846	{	4367	{
3847	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4368	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3848		4369
3849	if (expect_false (!once))	4370	if (expect_false (!once))
3850	{	4371	{
…		…
3871	}	4392	}
3872		4393
3873	/*****************************************************************************/	4394	/*****************************************************************************/
3874		4395
3875	#if EV_WALK_ENABLE	4396	#if EV_WALK_ENABLE
3876	void	4397	void ecb_cold
3877	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4398	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3878	{	4399	{
3879	int i, j;	4400	int i, j;
3880	ev_watcher_list *wl, *wn;	4401	ev_watcher_list *wl, *wn;
3881		4402
3882	if (types & (EV_IO | EV_EMBED))	4403	if (types & (EV_IO | EV_EMBED))
…		…
3925	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4446	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3926	#endif	4447	#endif
3927		4448
3928	#if EV_IDLE_ENABLE	4449	#if EV_IDLE_ENABLE
3929	if (types & EV_IDLE)	4450	if (types & EV_IDLE)
3930	for (j = NUMPRI; i--; )	4451	for (j = NUMPRI; j--; )
3931	for (i = idlecnt [j]; i--; )	4452	for (i = idlecnt [j]; i--; )
3932	cb (EV_A_ EV_IDLE, idles [j][i]);	4453	cb (EV_A_ EV_IDLE, idles [j][i]);
3933	#endif	4454	#endif
3934		4455
3935	#if EV_FORK_ENABLE	4456	#if EV_FORK_ENABLE
…		…
3988		4509
3989	#if EV_MULTIPLICITY	4510	#if EV_MULTIPLICITY
3990	#include "ev_wrap.h"	4511	#include "ev_wrap.h"
3991	#endif	4512	#endif
3992		4513
3993	EV_CPP(})
3994

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