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Comparing libev/ev.c (file contents):
Revision 1.386 by root, Wed Jul 20 01:04:20 2011 UTC vs.
Revision 1.465 by root, Tue Mar 25 17:44:13 2014 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
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
188EV_CPP(extern "C" {) 188#if EV_NO_THREADS
189# undef EV_NO_SMP
190# define EV_NO_SMP 1
191# undef ECB_NO_THREADS
192# define ECB_NO_THREADS 1
193#endif
194#if EV_NO_SMP
195# undef EV_NO_SMP
196# define ECB_NO_SMP 1
197#endif
189 198
190#ifndef _WIN32 199#ifndef _WIN32
191# include <sys/time.h> 200# include <sys/time.h>
192# include <sys/wait.h> 201# include <sys/wait.h>
193# include <unistd.h> 202# include <unistd.h>
194#else 203#else
195# include <io.h> 204# include <io.h>
196# define WIN32_LEAN_AND_MEAN 205# define WIN32_LEAN_AND_MEAN
206# include <winsock2.h>
197# include <windows.h> 207# include <windows.h>
198# ifndef EV_SELECT_IS_WINSOCKET 208# ifndef EV_SELECT_IS_WINSOCKET
199# define EV_SELECT_IS_WINSOCKET 1 209# define EV_SELECT_IS_WINSOCKET 1
200# endif 210# endif
201# undef EV_AVOID_STDIO 211# undef EV_AVOID_STDIO
… …
210#define _DARWIN_UNLIMITED_SELECT 1 220#define _DARWIN_UNLIMITED_SELECT 1
211 221
212/* this block tries to deduce configuration from header-defined symbols and defaults */ 222/* this block tries to deduce configuration from header-defined symbols and defaults */
213 223
214/* try to deduce the maximum number of signals on this platform */ 224/* try to deduce the maximum number of signals on this platform */
215#if defined (EV_NSIG) 225#if defined EV_NSIG
216/* use what's provided */ 226/* use what's provided */
217#elif defined (NSIG) 227#elif defined NSIG
218# define EV_NSIG (NSIG) 228# define EV_NSIG (NSIG)
219#elif defined(_NSIG) 229#elif defined _NSIG
220# define EV_NSIG (_NSIG) 230# define EV_NSIG (_NSIG)
221#elif defined (SIGMAX) 231#elif defined SIGMAX
222# define EV_NSIG (SIGMAX+1) 232# define EV_NSIG (SIGMAX+1)
223#elif defined (SIG_MAX) 233#elif defined SIG_MAX
224# define EV_NSIG (SIG_MAX+1) 234# define EV_NSIG (SIG_MAX+1)
225#elif defined (_SIG_MAX) 235#elif defined _SIG_MAX
226# define EV_NSIG (_SIG_MAX+1) 236# define EV_NSIG (_SIG_MAX+1)
227#elif defined (MAXSIG) 237#elif defined MAXSIG
228# define EV_NSIG (MAXSIG+1) 238# define EV_NSIG (MAXSIG+1)
229#elif defined (MAX_SIG) 239#elif defined MAX_SIG
230# define EV_NSIG (MAX_SIG+1) 240# define EV_NSIG (MAX_SIG+1)
231#elif defined (SIGARRAYSIZE) 241#elif defined SIGARRAYSIZE
232# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233#elif defined (_sys_nsig) 243#elif defined _sys_nsig
234# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235#else 245#else
236# error "unable to find value for NSIG, please report" 246# define EV_NSIG (8 * sizeof (sigset_t) + 1)
237/* to make it compile regardless, just remove the above line, */
238/* but consider reporting it, too! :) */
239# define EV_NSIG 65
240#endif 247#endif
241 248
242#ifndef EV_USE_FLOOR 249#ifndef EV_USE_FLOOR
243# define EV_USE_FLOOR 0 250# define EV_USE_FLOOR 0
244#endif 251#endif
245 252
246#ifndef EV_USE_CLOCK_SYSCALL 253#ifndef EV_USE_CLOCK_SYSCALL
247# if __linux && __GLIBC__ >= 2 254# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
248# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS 255# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
249# else 256# else
250# define EV_USE_CLOCK_SYSCALL 0 257# define EV_USE_CLOCK_SYSCALL 0
251# endif 258# endif
252#endif 259#endif
253 260
254#ifndef EV_USE_MONOTONIC 261#ifndef EV_USE_MONOTONIC
255# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 262# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256# define EV_USE_MONOTONIC EV_FEATURE_OS 263# define EV_USE_MONOTONIC EV_FEATURE_OS
257# else 264# else
258# define EV_USE_MONOTONIC 0 265# define EV_USE_MONOTONIC 0
259# endif 266# endif
260#endif 267#endif
… …
347 354
348#ifndef EV_HEAP_CACHE_AT 355#ifndef EV_HEAP_CACHE_AT
349# define EV_HEAP_CACHE_AT EV_FEATURE_DATA 356# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350#endif 357#endif
351 358
359#ifdef ANDROID
360/* supposedly, android doesn't typedef fd_mask */
361# undef EV_USE_SELECT
362# define EV_USE_SELECT 0
363/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
364# undef EV_USE_CLOCK_SYSCALL
365# define EV_USE_CLOCK_SYSCALL 0
366#endif
367
368/* aix's poll.h seems to cause lots of trouble */
369#ifdef _AIX
370/* AIX has a completely broken poll.h header */
371# undef EV_USE_POLL
372# define EV_USE_POLL 0
373#endif
374
352/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 375/* 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. */ 376/* which makes programs even slower. might work on other unices, too. */
354#if EV_USE_CLOCK_SYSCALL 377#if EV_USE_CLOCK_SYSCALL
355# include <syscall.h> 378# include <sys/syscall.h>
356# ifdef SYS_clock_gettime 379# ifdef SYS_clock_gettime
357# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 380# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358# undef EV_USE_MONOTONIC 381# undef EV_USE_MONOTONIC
359# define EV_USE_MONOTONIC 1 382# define EV_USE_MONOTONIC 1
360# else 383# else
… …
363# endif 386# endif
364#endif 387#endif
365 388
366/* this block fixes any misconfiguration where we know we run into trouble otherwise */ 389/* this block fixes any misconfiguration where we know we run into trouble otherwise */
367 390
368#ifdef _AIX
369/* AIX has a completely broken poll.h header */
370# undef EV_USE_POLL
371# define EV_USE_POLL 0
372#endif
373
374#ifndef CLOCK_MONOTONIC 391#ifndef CLOCK_MONOTONIC
375# undef EV_USE_MONOTONIC 392# undef EV_USE_MONOTONIC
376# define EV_USE_MONOTONIC 0 393# define EV_USE_MONOTONIC 0
377#endif 394#endif
378 395
… …
386# define EV_USE_INOTIFY 0 403# define EV_USE_INOTIFY 0
387#endif 404#endif
388 405
389#if !EV_USE_NANOSLEEP 406#if !EV_USE_NANOSLEEP
390/* hp-ux has it in sys/time.h, which we unconditionally include above */ 407/* hp-ux has it in sys/time.h, which we unconditionally include above */
391# if !defined(_WIN32) && !defined(__hpux) 408# if !defined _WIN32 && !defined __hpux
392# include <sys/select.h> 409# include <sys/select.h>
393# endif 410# endif
394#endif 411#endif
395 412
396#if EV_USE_INOTIFY 413#if EV_USE_INOTIFY
… …
399/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 416/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400# ifndef IN_DONT_FOLLOW 417# ifndef IN_DONT_FOLLOW
401# undef EV_USE_INOTIFY 418# undef EV_USE_INOTIFY
402# define EV_USE_INOTIFY 0 419# define EV_USE_INOTIFY 0
403# endif 420# endif
404#endif
405
406#if EV_SELECT_IS_WINSOCKET
407# include <winsock.h>
408#endif 421#endif
409 422
410#if EV_USE_EVENTFD 423#if EV_USE_EVENTFD
411/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 424/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412# include <stdint.h> 425# include <stdint.h>
… …
464#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 477#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465 478
466#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) 479#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) 480#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468 481
469/* the following are taken from libecb */ 482/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470/* ecb.h start */ 483/* ECB.H BEGIN */
484/*
485 * libecb - http://software.schmorp.de/pkg/libecb
486 *
487 * Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>
488 * Copyright (©) 2011 Emanuele Giaquinta
489 * All rights reserved.
490 *
491 * Redistribution and use in source and binary forms, with or without modifica-
492 * tion, are permitted provided that the following conditions are met:
493 *
494 * 1. Redistributions of source code must retain the above copyright notice,
495 * this list of conditions and the following disclaimer.
496 *
497 * 2. Redistributions in binary form must reproduce the above copyright
498 * notice, this list of conditions and the following disclaimer in the
499 * documentation and/or other materials provided with the distribution.
500 *
501 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
502 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
503 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
504 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
505 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
506 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
507 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
508 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
509 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
510 * OF THE POSSIBILITY OF SUCH DAMAGE.
511 */
512
513#ifndef ECB_H
514#define ECB_H
515
516/* 16 bits major, 16 bits minor */
517#define ECB_VERSION 0x00010003
518
519#ifdef _WIN32
520 typedef signed char int8_t;
521 typedef unsigned char uint8_t;
522 typedef signed short int16_t;
523 typedef unsigned short uint16_t;
524 typedef signed int int32_t;
525 typedef unsigned int uint32_t;
526 #if __GNUC__
527 typedef signed long long int64_t;
528 typedef unsigned long long uint64_t;
529 #else /* _MSC_VER || __BORLANDC__ */
530 typedef signed __int64 int64_t;
531 typedef unsigned __int64 uint64_t;
532 #endif
533 #ifdef _WIN64
534 #define ECB_PTRSIZE 8
535 typedef uint64_t uintptr_t;
536 typedef int64_t intptr_t;
537 #else
538 #define ECB_PTRSIZE 4
539 typedef uint32_t uintptr_t;
540 typedef int32_t intptr_t;
541 #endif
542#else
543 #include <inttypes.h>
544 #if UINTMAX_MAX > 0xffffffffU
545 #define ECB_PTRSIZE 8
546 #else
547 #define ECB_PTRSIZE 4
548 #endif
549#endif
550
551/* work around x32 idiocy by defining proper macros */
552#if __amd64 || __x86_64 || _M_AMD64 || _M_X64
553 #if _ILP32
554 #define ECB_AMD64_X32 1
555 #else
556 #define ECB_AMD64 1
557 #endif
558#endif
471 559
472/* many compilers define _GNUC_ to some versions but then only implement 560/* many compilers define _GNUC_ to some versions but then only implement
473 * what their idiot authors think are the "more important" extensions, 561 * what their idiot authors think are the "more important" extensions,
474 * causing enourmous grief in return for some better fake benchmark numbers. 562 * causing enormous grief in return for some better fake benchmark numbers.
475 * or so. 563 * or so.
476 * we try to detect these and simply assume they are not gcc - if they have 564 * 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. 565 * an issue with that they should have done it right in the first place.
478 */ 566 */
479#ifndef ECB_GCC_VERSION 567#ifndef ECB_GCC_VERSION
480 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 568 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
481 #define ECB_GCC_VERSION(major,minor) 0 569 #define ECB_GCC_VERSION(major,minor) 0
482 #else 570 #else
483 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 571 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
484 #endif 572 #endif
485#endif 573#endif
574
575#define ECB_CPP (__cplusplus+0)
576#define ECB_CPP11 (__cplusplus >= 201103L)
577
578#if ECB_CPP
579 #define ECB_C 0
580 #define ECB_STDC_VERSION 0
581#else
582 #define ECB_C 1
583 #define ECB_STDC_VERSION __STDC_VERSION__
584#endif
585
586#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
587#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
588
589#if ECB_CPP
590 #define ECB_EXTERN_C extern "C"
591 #define ECB_EXTERN_C_BEG ECB_EXTERN_C {
592 #define ECB_EXTERN_C_END }
593#else
594 #define ECB_EXTERN_C extern
595 #define ECB_EXTERN_C_BEG
596 #define ECB_EXTERN_C_END
597#endif
598
599/*****************************************************************************/
600
601/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
602/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
603
604#if ECB_NO_THREADS
605 #define ECB_NO_SMP 1
606#endif
607
608#if ECB_NO_SMP
609 #define ECB_MEMORY_FENCE do { } while (0)
610#endif
611
612#ifndef ECB_MEMORY_FENCE
613 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
614 #if __i386 || __i386__
615 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
616 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
617 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
618 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
619 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
620 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
621 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
622 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
623 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
624 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
625 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
626 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
627 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
628 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
629 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
630 #elif __aarch64__
631 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
632 #elif (__sparc || __sparc__) && !__sparcv8
633 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
634 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
635 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
636 #elif defined __s390__ || defined __s390x__
637 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
638 #elif defined __mips__
639 /* GNU/Linux emulates sync on mips1 architectures, so we force its use */
640 /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
641 #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
642 #elif defined __alpha__
643 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
644 #elif defined __hppa__
645 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
646 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
647 #elif defined __ia64__
648 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
649 #elif defined __m68k__
650 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
651 #elif defined __m88k__
652 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
653 #elif defined __sh__
654 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
655 #endif
656 #endif
657#endif
658
659#ifndef ECB_MEMORY_FENCE
660 #if ECB_GCC_VERSION(4,7)
661 /* see comment below (stdatomic.h) about the C11 memory model. */
662 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
663 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
664 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
665
666 /* The __has_feature syntax from clang is so misdesigned that we cannot use it
667 * without risking compile time errors with other compilers. We *could*
668 * define our own ecb_clang_has_feature, but I just can't be bothered to work
669 * around this shit time and again.
670 * #elif defined __clang && __has_feature (cxx_atomic)
671 * // see comment below (stdatomic.h) about the C11 memory model.
672 * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
673 * #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
674 * #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
675 */
676
677 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
678 #define ECB_MEMORY_FENCE __sync_synchronize ()
679 #elif _MSC_VER >= 1500 /* VC++ 2008 */
680 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
681 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
682 #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
683 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
684 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
685 #elif _MSC_VER >= 1400 /* VC++ 2005 */
686 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
687 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
688 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
689 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
690 #elif defined _WIN32
691 #include <WinNT.h>
692 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
693 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
694 #include <mbarrier.h>
695 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
696 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
697 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
698 #elif __xlC__
699 #define ECB_MEMORY_FENCE __sync ()
700 #endif
701#endif
702
703#ifndef ECB_MEMORY_FENCE
704 #if ECB_C11 && !defined __STDC_NO_ATOMICS__
705 /* we assume that these memory fences work on all variables/all memory accesses, */
706 /* not just C11 atomics and atomic accesses */
707 #include <stdatomic.h>
708 /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
709 /* any fence other than seq_cst, which isn't very efficient for us. */
710 /* Why that is, we don't know - either the C11 memory model is quite useless */
711 /* for most usages, or gcc and clang have a bug */
712 /* I *currently* lean towards the latter, and inefficiently implement */
713 /* all three of ecb's fences as a seq_cst fence */
714 /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
715 /* for all __atomic_thread_fence's except seq_cst */
716 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
717 #endif
718#endif
719
720#ifndef ECB_MEMORY_FENCE
721 #if !ECB_AVOID_PTHREADS
722 /*
723 * if you get undefined symbol references to pthread_mutex_lock,
724 * or failure to find pthread.h, then you should implement
725 * the ECB_MEMORY_FENCE operations for your cpu/compiler
726 * OR provide pthread.h and link against the posix thread library
727 * of your system.
728 */
729 #include <pthread.h>
730 #define ECB_NEEDS_PTHREADS 1
731 #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
732
733 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
734 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
735 #endif
736#endif
737
738#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
739 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
740#endif
741
742#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
743 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
744#endif
745
746/*****************************************************************************/
486 747
487#if __cplusplus 748#if __cplusplus
488 #define ecb_inline static inline 749 #define ecb_inline static inline
489#elif ECB_GCC_VERSION(2,5) 750#elif ECB_GCC_VERSION(2,5)
490 #define ecb_inline static __inline__ 751 #define ecb_inline static __inline__
… …
492 #define ecb_inline static inline 753 #define ecb_inline static inline
493#else 754#else
494 #define ecb_inline static 755 #define ecb_inline static
495#endif 756#endif
496 757
497#ifndef ECB_MEMORY_FENCE
498 #if ECB_GCC_VERSION(2,5) 758#if ECB_GCC_VERSION(3,3)
499 #if __x86 759 #define ecb_restrict __restrict__
500 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 760#elif ECB_C99
501 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 761 #define ecb_restrict restrict
502 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 762#else
503 #elif __amd64 763 #define ecb_restrict
504 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
505 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
506 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence")
507 #endif
508 #endif 764#endif
509#endif
510 765
511#ifndef ECB_MEMORY_FENCE 766typedef int ecb_bool;
512 #if ECB_GCC_VERSION(4,4)
513 #define ECB_MEMORY_FENCE __sync_synchronize ()
514 #define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); })
515 #define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); })
516 #elif defined(_WIN32) && defined(MemoryBarrier)
517 #define ECB_MEMORY_FENCE MemoryBarrier ()
518 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
519 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
520 #endif
521#endif
522 767
523#ifndef ECB_MEMORY_FENCE 768#define ECB_CONCAT_(a, b) a ## b
524 #include <pthread.h> 769#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
770#define ECB_STRINGIFY_(a) # a
771#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
525 772
526 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 773#define ecb_function_ ecb_inline
527 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
528 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
529 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
530#endif
531 774
532#if ECB_GCC_VERSION(3,1) 775#if ECB_GCC_VERSION(3,1)
533 #define ecb_attribute(attrlist) __attribute__(attrlist) 776 #define ecb_attribute(attrlist) __attribute__(attrlist)
534 #define ecb_is_constant(expr) __builtin_constant_p (expr) 777 #define ecb_is_constant(expr) __builtin_constant_p (expr)
535 #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) 778 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
536 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) 779 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
537#else 780#else
538 #define ecb_attribute(attrlist) 781 #define ecb_attribute(attrlist)
782
783 /* possible C11 impl for integral types
784 typedef struct ecb_is_constant_struct ecb_is_constant_struct;
785 #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
786
539 #define ecb_is_constant(expr) 0 787 #define ecb_is_constant(expr) 0
540 #define ecb_expect(expr,value) (expr) 788 #define ecb_expect(expr,value) (expr)
541 #define ecb_prefetch(addr,rw,locality) 789 #define ecb_prefetch(addr,rw,locality)
542#endif 790#endif
543 791
792/* no emulation for ecb_decltype */
793#if ECB_GCC_VERSION(4,5)
794 #define ecb_decltype(x) __decltype(x)
795#elif ECB_GCC_VERSION(3,0)
796 #define ecb_decltype(x) __typeof(x)
797#endif
798
544#define ecb_noinline ecb_attribute ((__noinline__)) 799#define ecb_noinline ecb_attribute ((__noinline__))
545#define ecb_noreturn ecb_attribute ((__noreturn__))
546#define ecb_unused ecb_attribute ((__unused__)) 800#define ecb_unused ecb_attribute ((__unused__))
547#define ecb_const ecb_attribute ((__const__)) 801#define ecb_const ecb_attribute ((__const__))
548#define ecb_pure ecb_attribute ((__pure__)) 802#define ecb_pure ecb_attribute ((__pure__))
803
804#if ECB_C11
805 #define ecb_noreturn _Noreturn
806#else
807 #define ecb_noreturn ecb_attribute ((__noreturn__))
808#endif
549 809
550#if ECB_GCC_VERSION(4,3) 810#if ECB_GCC_VERSION(4,3)
551 #define ecb_artificial ecb_attribute ((__artificial__)) 811 #define ecb_artificial ecb_attribute ((__artificial__))
552 #define ecb_hot ecb_attribute ((__hot__)) 812 #define ecb_hot ecb_attribute ((__hot__))
553 #define ecb_cold ecb_attribute ((__cold__)) 813 #define ecb_cold ecb_attribute ((__cold__))
… …
560/* put around conditional expressions if you are very sure that the */ 820/* put around conditional expressions if you are very sure that the */
561/* expression is mostly true or mostly false. note that these return */ 821/* expression is mostly true or mostly false. note that these return */
562/* booleans, not the expression. */ 822/* booleans, not the expression. */
563#define ecb_expect_false(expr) ecb_expect (!!(expr), 0) 823#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
564#define ecb_expect_true(expr) ecb_expect (!!(expr), 1) 824#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
565/* ecb.h end */ 825/* for compatibility to the rest of the world */
826#define ecb_likely(expr) ecb_expect_true (expr)
827#define ecb_unlikely(expr) ecb_expect_false (expr)
828
829/* count trailing zero bits and count # of one bits */
830#if ECB_GCC_VERSION(3,4)
831 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
832 #define ecb_ld32(x) (__builtin_clz (x) ^ 31)
833 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
834 #define ecb_ctz32(x) __builtin_ctz (x)
835 #define ecb_ctz64(x) __builtin_ctzll (x)
836 #define ecb_popcount32(x) __builtin_popcount (x)
837 /* no popcountll */
838#else
839 ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
840 ecb_function_ int
841 ecb_ctz32 (uint32_t x)
842 {
843 int r = 0;
844
845 x &= ~x + 1; /* this isolates the lowest bit */
846
847#if ECB_branchless_on_i386
848 r += !!(x & 0xaaaaaaaa) << 0;
849 r += !!(x & 0xcccccccc) << 1;
850 r += !!(x & 0xf0f0f0f0) << 2;
851 r += !!(x & 0xff00ff00) << 3;
852 r += !!(x & 0xffff0000) << 4;
853#else
854 if (x & 0xaaaaaaaa) r += 1;
855 if (x & 0xcccccccc) r += 2;
856 if (x & 0xf0f0f0f0) r += 4;
857 if (x & 0xff00ff00) r += 8;
858 if (x & 0xffff0000) r += 16;
859#endif
860
861 return r;
862 }
863
864 ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
865 ecb_function_ int
866 ecb_ctz64 (uint64_t x)
867 {
868 int shift = x & 0xffffffffU ? 0 : 32;
869 return ecb_ctz32 (x >> shift) + shift;
870 }
871
872 ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
873 ecb_function_ int
874 ecb_popcount32 (uint32_t x)
875 {
876 x -= (x >> 1) & 0x55555555;
877 x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
878 x = ((x >> 4) + x) & 0x0f0f0f0f;
879 x *= 0x01010101;
880
881 return x >> 24;
882 }
883
884 ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
885 ecb_function_ int ecb_ld32 (uint32_t x)
886 {
887 int r = 0;
888
889 if (x >> 16) { x >>= 16; r += 16; }
890 if (x >> 8) { x >>= 8; r += 8; }
891 if (x >> 4) { x >>= 4; r += 4; }
892 if (x >> 2) { x >>= 2; r += 2; }
893 if (x >> 1) { r += 1; }
894
895 return r;
896 }
897
898 ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
899 ecb_function_ int ecb_ld64 (uint64_t x)
900 {
901 int r = 0;
902
903 if (x >> 32) { x >>= 32; r += 32; }
904
905 return r + ecb_ld32 (x);
906 }
907#endif
908
909ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
910ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
911ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
912ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
913
914ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
915ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
916{
917 return ( (x * 0x0802U & 0x22110U)
918 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
919}
920
921ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
922ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
923{
924 x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
925 x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
926 x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
927 x = ( x >> 8 ) | ( x << 8);
928
929 return x;
930}
931
932ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
933ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
934{
935 x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
936 x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
937 x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
938 x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
939 x = ( x >> 16 ) | ( x << 16);
940
941 return x;
942}
943
944/* popcount64 is only available on 64 bit cpus as gcc builtin */
945/* so for this version we are lazy */
946ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
947ecb_function_ int
948ecb_popcount64 (uint64_t x)
949{
950 return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
951}
952
953ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
954ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
955ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
956ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
957ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
958ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
959ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
960ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
961
962ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
963ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
964ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
965ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
966ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
967ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
968ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
969ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
970
971#if ECB_GCC_VERSION(4,3)
972 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
973 #define ecb_bswap32(x) __builtin_bswap32 (x)
974 #define ecb_bswap64(x) __builtin_bswap64 (x)
975#else
976 ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
977 ecb_function_ uint16_t
978 ecb_bswap16 (uint16_t x)
979 {
980 return ecb_rotl16 (x, 8);
981 }
982
983 ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
984 ecb_function_ uint32_t
985 ecb_bswap32 (uint32_t x)
986 {
987 return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
988 }
989
990 ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
991 ecb_function_ uint64_t
992 ecb_bswap64 (uint64_t x)
993 {
994 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
995 }
996#endif
997
998#if ECB_GCC_VERSION(4,5)
999 #define ecb_unreachable() __builtin_unreachable ()
1000#else
1001 /* this seems to work fine, but gcc always emits a warning for it :/ */
1002 ecb_inline void ecb_unreachable (void) ecb_noreturn;
1003 ecb_inline void ecb_unreachable (void) { }
1004#endif
1005
1006/* try to tell the compiler that some condition is definitely true */
1007#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1008
1009ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
1010ecb_inline unsigned char
1011ecb_byteorder_helper (void)
1012{
1013 /* the union code still generates code under pressure in gcc, */
1014 /* but less than using pointers, and always seems to */
1015 /* successfully return a constant. */
1016 /* the reason why we have this horrible preprocessor mess */
1017 /* is to avoid it in all cases, at least on common architectures */
1018 /* or when using a recent enough gcc version (>= 4.6) */
1019#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
1020 return 0x44;
1021#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1022 return 0x44;
1023#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1024 return 0x11;
1025#else
1026 union
1027 {
1028 uint32_t i;
1029 uint8_t c;
1030 } u = { 0x11223344 };
1031 return u.c;
1032#endif
1033}
1034
1035ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
1036ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
1037ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
1038ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
1039
1040#if ECB_GCC_VERSION(3,0) || ECB_C99
1041 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1042#else
1043 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1044#endif
1045
1046#if __cplusplus
1047 template<typename T>
1048 static inline T ecb_div_rd (T val, T div)
1049 {
1050 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1051 }
1052 template<typename T>
1053 static inline T ecb_div_ru (T val, T div)
1054 {
1055 return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
1056 }
1057#else
1058 #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
1059 #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
1060#endif
1061
1062#if ecb_cplusplus_does_not_suck
1063 /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
1064 template<typename T, int N>
1065 static inline int ecb_array_length (const T (&arr)[N])
1066 {
1067 return N;
1068 }
1069#else
1070 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1071#endif
1072
1073/*******************************************************************************/
1074/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1075
1076/* basically, everything uses "ieee pure-endian" floating point numbers */
1077/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1078#if 0 \
1079 || __i386 || __i386__ \
1080 || __amd64 || __amd64__ || __x86_64 || __x86_64__ \
1081 || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1082 || defined __s390__ || defined __s390x__ \
1083 || defined __mips__ \
1084 || defined __alpha__ \
1085 || defined __hppa__ \
1086 || defined __ia64__ \
1087 || defined __m68k__ \
1088 || defined __m88k__ \
1089 || defined __sh__ \
1090 || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \
1091 || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1092 | defined __aarch64__
1093 #define ECB_STDFP 1
1094 #include <string.h> /* for memcpy */
1095#else
1096 #define ECB_STDFP 0
1097#endif
1098
1099#ifndef ECB_NO_LIBM
1100
1101 #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
1102
1103 /* only the oldest of old doesn't have this one. solaris. */
1104 #ifdef INFINITY
1105 #define ECB_INFINITY INFINITY
1106 #else
1107 #define ECB_INFINITY HUGE_VAL
1108 #endif
1109
1110 #ifdef NAN
1111 #define ECB_NAN NAN
1112 #else
1113 #define ECB_NAN ECB_INFINITY
1114 #endif
1115
1116 /* converts an ieee half/binary16 to a float */
1117 ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
1118 ecb_function_ float
1119 ecb_binary16_to_float (uint16_t x)
1120 {
1121 int e = (x >> 10) & 0x1f;
1122 int m = x & 0x3ff;
1123 float r;
1124
1125 if (!e ) r = ldexpf (m , -24);
1126 else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1127 else if (m ) r = ECB_NAN;
1128 else r = ECB_INFINITY;
1129
1130 return x & 0x8000 ? -r : r;
1131 }
1132
1133 /* convert a float to ieee single/binary32 */
1134 ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
1135 ecb_function_ uint32_t
1136 ecb_float_to_binary32 (float x)
1137 {
1138 uint32_t r;
1139
1140 #if ECB_STDFP
1141 memcpy (&r, &x, 4);
1142 #else
1143 /* slow emulation, works for anything but -0 */
1144 uint32_t m;
1145 int e;
1146
1147 if (x == 0e0f ) return 0x00000000U;
1148 if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1149 if (x < -3.40282346638528860e+38f) return 0xff800000U;
1150 if (x != x ) return 0x7fbfffffU;
1151
1152 m = frexpf (x, &e) * 0x1000000U;
1153
1154 r = m & 0x80000000U;
1155
1156 if (r)
1157 m = -m;
1158
1159 if (e <= -126)
1160 {
1161 m &= 0xffffffU;
1162 m >>= (-125 - e);
1163 e = -126;
1164 }
1165
1166 r |= (e + 126) << 23;
1167 r |= m & 0x7fffffU;
1168 #endif
1169
1170 return r;
1171 }
1172
1173 /* converts an ieee single/binary32 to a float */
1174 ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
1175 ecb_function_ float
1176 ecb_binary32_to_float (uint32_t x)
1177 {
1178 float r;
1179
1180 #if ECB_STDFP
1181 memcpy (&r, &x, 4);
1182 #else
1183 /* emulation, only works for normals and subnormals and +0 */
1184 int neg = x >> 31;
1185 int e = (x >> 23) & 0xffU;
1186
1187 x &= 0x7fffffU;
1188
1189 if (e)
1190 x |= 0x800000U;
1191 else
1192 e = 1;
1193
1194 /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1195 r = ldexpf (x * (0.5f / 0x800000U), e - 126);
1196
1197 r = neg ? -r : r;
1198 #endif
1199
1200 return r;
1201 }
1202
1203 /* convert a double to ieee double/binary64 */
1204 ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
1205 ecb_function_ uint64_t
1206 ecb_double_to_binary64 (double x)
1207 {
1208 uint64_t r;
1209
1210 #if ECB_STDFP
1211 memcpy (&r, &x, 8);
1212 #else
1213 /* slow emulation, works for anything but -0 */
1214 uint64_t m;
1215 int e;
1216
1217 if (x == 0e0 ) return 0x0000000000000000U;
1218 if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
1219 if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
1220 if (x != x ) return 0X7ff7ffffffffffffU;
1221
1222 m = frexp (x, &e) * 0x20000000000000U;
1223
1224 r = m & 0x8000000000000000;;
1225
1226 if (r)
1227 m = -m;
1228
1229 if (e <= -1022)
1230 {
1231 m &= 0x1fffffffffffffU;
1232 m >>= (-1021 - e);
1233 e = -1022;
1234 }
1235
1236 r |= ((uint64_t)(e + 1022)) << 52;
1237 r |= m & 0xfffffffffffffU;
1238 #endif
1239
1240 return r;
1241 }
1242
1243 /* converts an ieee double/binary64 to a double */
1244 ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
1245 ecb_function_ double
1246 ecb_binary64_to_double (uint64_t x)
1247 {
1248 double r;
1249
1250 #if ECB_STDFP
1251 memcpy (&r, &x, 8);
1252 #else
1253 /* emulation, only works for normals and subnormals and +0 */
1254 int neg = x >> 63;
1255 int e = (x >> 52) & 0x7ffU;
1256
1257 x &= 0xfffffffffffffU;
1258
1259 if (e)
1260 x |= 0x10000000000000U;
1261 else
1262 e = 1;
1263
1264 /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
1265 r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
1266
1267 r = neg ? -r : r;
1268 #endif
1269
1270 return r;
1271 }
1272
1273#endif
1274
1275#endif
1276
1277/* ECB.H END */
1278
1279#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1280/* if your architecture doesn't need memory fences, e.g. because it is
1281 * single-cpu/core, or if you use libev in a project that doesn't use libev
1282 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
1283 * libev, in which cases the memory fences become nops.
1284 * alternatively, you can remove this #error and link against libpthread,
1285 * which will then provide the memory fences.
1286 */
1287# error "memory fences not defined for your architecture, please report"
1288#endif
1289
1290#ifndef ECB_MEMORY_FENCE
1291# define ECB_MEMORY_FENCE do { } while (0)
1292# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1293# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1294#endif
566 1295
567#define expect_false(cond) ecb_expect_false (cond) 1296#define expect_false(cond) ecb_expect_false (cond)
568#define expect_true(cond) ecb_expect_true (cond) 1297#define expect_true(cond) ecb_expect_true (cond)
569#define noinline ecb_noinline 1298#define noinline ecb_noinline
570 1299
… …
716{ 1445{
717 write (STDERR_FILENO, msg, strlen (msg)); 1446 write (STDERR_FILENO, msg, strlen (msg));
718} 1447}
719#endif 1448#endif
720 1449
721static void (*syserr_cb)(const char *msg); 1450static void (*syserr_cb)(const char *msg) EV_THROW;
722 1451
723void ecb_cold 1452void ecb_cold
724ev_set_syserr_cb (void (*cb)(const char *msg)) 1453ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
725{ 1454{
726 syserr_cb = cb; 1455 syserr_cb = cb;
727} 1456}
728 1457
729static void noinline ecb_cold 1458static void noinline ecb_cold
… …
747 abort (); 1476 abort ();
748 } 1477 }
749} 1478}
750 1479
751static void * 1480static void *
752ev_realloc_emul (void *ptr, long size) 1481ev_realloc_emul (void *ptr, long size) EV_THROW
753{ 1482{
754#if __GLIBC__
755 return realloc (ptr, size);
756#else
757 /* some systems, notably openbsd and darwin, fail to properly 1483 /* some systems, notably openbsd and darwin, fail to properly
758 * implement realloc (x, 0) (as required by both ansi c-89 and 1484 * implement realloc (x, 0) (as required by both ansi c-89 and
759 * the single unix specification, so work around them here. 1485 * the single unix specification, so work around them here.
1486 * recently, also (at least) fedora and debian started breaking it,
1487 * despite documenting it otherwise.
760 */ 1488 */
761 1489
762 if (size) 1490 if (size)
763 return realloc (ptr, size); 1491 return realloc (ptr, size);
764 1492
765 free (ptr); 1493 free (ptr);
766 return 0; 1494 return 0;
767#endif
768} 1495}
769 1496
770static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1497static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
771 1498
772void ecb_cold 1499void ecb_cold
773ev_set_allocator (void *(*cb)(void *ptr, long size)) 1500ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
774{ 1501{
775 alloc = cb; 1502 alloc = cb;
776} 1503}
777 1504
778inline_speed void * 1505inline_speed void *
… …
866 #undef VAR 1593 #undef VAR
867 }; 1594 };
868 #include "ev_wrap.h" 1595 #include "ev_wrap.h"
869 1596
870 static struct ev_loop default_loop_struct; 1597 static struct ev_loop default_loop_struct;
871 struct ev_loop *ev_default_loop_ptr; 1598 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
872 1599
873#else 1600#else
874 1601
875 ev_tstamp ev_rt_now; 1602 EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
876 #define VAR(name,decl) static decl; 1603 #define VAR(name,decl) static decl;
877 #include "ev_vars.h" 1604 #include "ev_vars.h"
878 #undef VAR 1605 #undef VAR
879 1606
880 static int ev_default_loop_ptr; 1607 static int ev_default_loop_ptr;
… …
895 1622
896/*****************************************************************************/ 1623/*****************************************************************************/
897 1624
898#ifndef EV_HAVE_EV_TIME 1625#ifndef EV_HAVE_EV_TIME
899ev_tstamp 1626ev_tstamp
900ev_time (void) 1627ev_time (void) EV_THROW
901{ 1628{
902#if EV_USE_REALTIME 1629#if EV_USE_REALTIME
903 if (expect_true (have_realtime)) 1630 if (expect_true (have_realtime))
904 { 1631 {
905 struct timespec ts; 1632 struct timespec ts;
… …
929 return ev_time (); 1656 return ev_time ();
930} 1657}
931 1658
932#if EV_MULTIPLICITY 1659#if EV_MULTIPLICITY
933ev_tstamp 1660ev_tstamp
934ev_now (EV_P) 1661ev_now (EV_P) EV_THROW
935{ 1662{
936 return ev_rt_now; 1663 return ev_rt_now;
937} 1664}
938#endif 1665#endif
939 1666
940void 1667void
941ev_sleep (ev_tstamp delay) 1668ev_sleep (ev_tstamp delay) EV_THROW
942{ 1669{
943 if (delay > 0.) 1670 if (delay > 0.)
944 { 1671 {
945#if EV_USE_NANOSLEEP 1672#if EV_USE_NANOSLEEP
946 struct timespec ts; 1673 struct timespec ts;
947 1674
948 EV_TS_SET (ts, delay); 1675 EV_TS_SET (ts, delay);
949 nanosleep (&ts, 0); 1676 nanosleep (&ts, 0);
950#elif defined(_WIN32) 1677#elif defined _WIN32
951 Sleep ((unsigned long)(delay * 1e3)); 1678 Sleep ((unsigned long)(delay * 1e3));
952#else 1679#else
953 struct timeval tv; 1680 struct timeval tv;
954 1681
955 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1682 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
… …
974 1701
975 do 1702 do
976 ncur <<= 1; 1703 ncur <<= 1;
977 while (cnt > ncur); 1704 while (cnt > ncur);
978 1705
979 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ 1706 /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
980 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1707 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
981 { 1708 {
982 ncur *= elem; 1709 ncur *= elem;
983 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); 1710 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
984 ncur = ncur - sizeof (void *) * 4; 1711 ncur = ncur - sizeof (void *) * 4;
… …
1027pendingcb (EV_P_ ev_prepare *w, int revents) 1754pendingcb (EV_P_ ev_prepare *w, int revents)
1028{ 1755{
1029} 1756}
1030 1757
1031void noinline 1758void noinline
1032ev_feed_event (EV_P_ void *w, int revents) 1759ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1033{ 1760{
1034 W w_ = (W)w; 1761 W w_ = (W)w;
1035 int pri = ABSPRI (w_); 1762 int pri = ABSPRI (w_);
1036 1763
1037 if (expect_false (w_->pending)) 1764 if (expect_false (w_->pending))
… …
1041 w_->pending = ++pendingcnt [pri]; 1768 w_->pending = ++pendingcnt [pri];
1042 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1769 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1043 pendings [pri][w_->pending - 1].w = w_; 1770 pendings [pri][w_->pending - 1].w = w_;
1044 pendings [pri][w_->pending - 1].events = revents; 1771 pendings [pri][w_->pending - 1].events = revents;
1045 } 1772 }
1773
1774 pendingpri = NUMPRI - 1;
1046} 1775}
1047 1776
1048inline_speed void 1777inline_speed void
1049feed_reverse (EV_P_ W w) 1778feed_reverse (EV_P_ W w)
1050{ 1779{
… …
1096 if (expect_true (!anfd->reify)) 1825 if (expect_true (!anfd->reify))
1097 fd_event_nocheck (EV_A_ fd, revents); 1826 fd_event_nocheck (EV_A_ fd, revents);
1098} 1827}
1099 1828
1100void 1829void
1101ev_feed_fd_event (EV_P_ int fd, int revents) 1830ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1102{ 1831{
1103 if (fd >= 0 && fd < anfdmax) 1832 if (fd >= 0 && fd < anfdmax)
1104 fd_event_nocheck (EV_A_ fd, revents); 1833 fd_event_nocheck (EV_A_ fd, revents);
1105} 1834}
1106 1835
… …
1425static void noinline ecb_cold 2154static void noinline ecb_cold
1426evpipe_init (EV_P) 2155evpipe_init (EV_P)
1427{ 2156{
1428 if (!ev_is_active (&pipe_w)) 2157 if (!ev_is_active (&pipe_w))
1429 { 2158 {
2159 int fds [2];
2160
1430# if EV_USE_EVENTFD 2161# if EV_USE_EVENTFD
2162 fds [0] = -1;
1431 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 2163 fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1432 if (evfd < 0 && errno == EINVAL) 2164 if (fds [1] < 0 && errno == EINVAL)
1433 evfd = eventfd (0, 0); 2165 fds [1] = eventfd (0, 0);
1434 2166
1435 if (evfd >= 0) 2167 if (fds [1] < 0)
2168# endif
1436 { 2169 {
2170 while (pipe (fds))
2171 ev_syserr ("(libev) error creating signal/async pipe");
2172
2173 fd_intern (fds [0]);
2174 }
2175
1437 evpipe [0] = -1; 2176 evpipe [0] = fds [0];
1438 fd_intern (evfd); /* doing it twice doesn't hurt */ 2177
1439 ev_io_set (&pipe_w, evfd, EV_READ); 2178 if (evpipe [1] < 0)
2179 evpipe [1] = fds [1]; /* first call, set write fd */
2180 else
2181 {
2182 /* on subsequent calls, do not change evpipe [1] */
2183 /* so that evpipe_write can always rely on its value. */
2184 /* this branch does not do anything sensible on windows, */
2185 /* so must not be executed on windows */
2186
2187 dup2 (fds [1], evpipe [1]);
2188 close (fds [1]);
2189 }
2190
2191 fd_intern (evpipe [1]);
2192
2193 ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
2194 ev_io_start (EV_A_ &pipe_w);
2195 ev_unref (EV_A); /* watcher should not keep loop alive */
2196 }
2197}
2198
2199inline_speed void
2200evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2201{
2202 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2203
2204 if (expect_true (*flag))
2205 return;
2206
2207 *flag = 1;
2208 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2209
2210 pipe_write_skipped = 1;
2211
2212 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
2213
2214 if (pipe_write_wanted)
2215 {
2216 int old_errno;
2217
2218 pipe_write_skipped = 0;
2219 ECB_MEMORY_FENCE_RELEASE;
2220
2221 old_errno = errno; /* save errno because write will clobber it */
2222
2223#if EV_USE_EVENTFD
2224 if (evpipe [0] < 0)
2225 {
2226 uint64_t counter = 1;
2227 write (evpipe [1], &counter, sizeof (uint64_t));
1440 } 2228 }
1441 else 2229 else
1442# endif 2230#endif
1443 { 2231 {
1444 while (pipe (evpipe)) 2232#ifdef _WIN32
1445 ev_syserr ("(libev) error creating signal/async pipe"); 2233 WSABUF buf;
1446 2234 DWORD sent;
1447 fd_intern (evpipe [0]); 2235 buf.buf = &buf;
1448 fd_intern (evpipe [1]); 2236 buf.len = 1;
1449 ev_io_set (&pipe_w, evpipe [0], EV_READ); 2237 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1450 } 2238#else
1451
1452 ev_io_start (EV_A_ &pipe_w);
1453 ev_unref (EV_A); /* watcher should not keep loop alive */
1454 }
1455}
1456
1457inline_speed void
1458evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1459{
1460 if (expect_true (*flag))
1461 /*return*//*D*/;
1462
1463 *flag = 1;
1464
1465 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1466
1467 pipe_write_skipped = 1;
1468
1469 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1470
1471 if (pipe_write_wanted)
1472 {
1473 int old_errno;
1474
1475 pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
1476
1477 old_errno = errno; /* save errno because write will clobber it */
1478
1479#if EV_USE_EVENTFD
1480 if (evfd >= 0)
1481 {
1482 uint64_t counter = 1;
1483 write (evfd, &counter, sizeof (uint64_t));
1484 }
1485 else
1486#endif
1487 {
1488 /* win32 people keep sending patches that change this write() to send() */
1489 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1490 /* so when you think this write should be a send instead, please find out */
1491 /* where your send() is from - it's definitely not the microsoft send, and */
1492 /* tell me. thank you. */
1493 write (evpipe [1], &(evpipe [1]), 1); 2239 write (evpipe [1], &(evpipe [1]), 1);
2240#endif
1494 } 2241 }
1495 2242
1496 errno = old_errno; 2243 errno = old_errno;
1497 } 2244 }
1498} 2245}
… …
1505 int i; 2252 int i;
1506 2253
1507 if (revents & EV_READ) 2254 if (revents & EV_READ)
1508 { 2255 {
1509#if EV_USE_EVENTFD 2256#if EV_USE_EVENTFD
1510 if (evfd >= 0) 2257 if (evpipe [0] < 0)
1511 { 2258 {
1512 uint64_t counter; 2259 uint64_t counter;
1513 read (evfd, &counter, sizeof (uint64_t)); 2260 read (evpipe [1], &counter, sizeof (uint64_t));
1514 } 2261 }
1515 else 2262 else
1516#endif 2263#endif
1517 { 2264 {
1518 char dummy; 2265 char dummy[4];
1519 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 2266#ifdef _WIN32
2267 WSABUF buf;
2268 DWORD recvd;
2269 DWORD flags = 0;
2270 buf.buf = dummy;
2271 buf.len = sizeof (dummy);
2272 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
2273#else
1520 read (evpipe [0], &dummy, 1); 2274 read (evpipe [0], &dummy, sizeof (dummy));
2275#endif
1521 } 2276 }
1522 } 2277 }
1523 2278
1524 pipe_write_skipped = 0; 2279 pipe_write_skipped = 0;
2280
2281 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1525 2282
1526#if EV_SIGNAL_ENABLE 2283#if EV_SIGNAL_ENABLE
1527 if (sig_pending) 2284 if (sig_pending)
1528 { 2285 {
1529 sig_pending = 0; 2286 sig_pending = 0;
2287
2288 ECB_MEMORY_FENCE;
1530 2289
1531 for (i = EV_NSIG - 1; i--; ) 2290 for (i = EV_NSIG - 1; i--; )
1532 if (expect_false (signals [i].pending)) 2291 if (expect_false (signals [i].pending))
1533 ev_feed_signal_event (EV_A_ i + 1); 2292 ev_feed_signal_event (EV_A_ i + 1);
1534 } 2293 }
… …
1536 2295
1537#if EV_ASYNC_ENABLE 2296#if EV_ASYNC_ENABLE
1538 if (async_pending) 2297 if (async_pending)
1539 { 2298 {
1540 async_pending = 0; 2299 async_pending = 0;
2300
2301 ECB_MEMORY_FENCE;
1541 2302
1542 for (i = asynccnt; i--; ) 2303 for (i = asynccnt; i--; )
1543 if (asyncs [i]->sent) 2304 if (asyncs [i]->sent)
1544 { 2305 {
1545 asyncs [i]->sent = 0; 2306 asyncs [i]->sent = 0;
2307 ECB_MEMORY_FENCE_RELEASE;
1546 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 2308 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1547 } 2309 }
1548 } 2310 }
1549#endif 2311#endif
1550} 2312}
1551 2313
1552/*****************************************************************************/ 2314/*****************************************************************************/
1553 2315
1554void 2316void
1555ev_feed_signal (int signum) 2317ev_feed_signal (int signum) EV_THROW
1556{ 2318{
1557#if EV_MULTIPLICITY 2319#if EV_MULTIPLICITY
2320 EV_P;
2321 ECB_MEMORY_FENCE_ACQUIRE;
1558 EV_P = signals [signum - 1].loop; 2322 EV_A = signals [signum - 1].loop;
1559 2323
1560 if (!EV_A) 2324 if (!EV_A)
1561 return; 2325 return;
1562#endif 2326#endif
1563 2327
1564 if (!ev_active (&pipe_w))
1565 return;
1566
1567 signals [signum - 1].pending = 1; 2328 signals [signum - 1].pending = 1;
1568 evpipe_write (EV_A_ &sig_pending); 2329 evpipe_write (EV_A_ &sig_pending);
1569} 2330}
1570 2331
1571static void 2332static void
… …
1577 2338
1578 ev_feed_signal (signum); 2339 ev_feed_signal (signum);
1579} 2340}
1580 2341
1581void noinline 2342void noinline
1582ev_feed_signal_event (EV_P_ int signum) 2343ev_feed_signal_event (EV_P_ int signum) EV_THROW
1583{ 2344{
1584 WL w; 2345 WL w;
1585 2346
1586 if (expect_false (signum <= 0 || signum > EV_NSIG)) 2347 if (expect_false (signum <= 0 || signum >= EV_NSIG))
1587 return; 2348 return;
1588 2349
1589 --signum; 2350 --signum;
1590 2351
1591#if EV_MULTIPLICITY 2352#if EV_MULTIPLICITY
… …
1595 if (expect_false (signals [signum].loop != EV_A)) 2356 if (expect_false (signals [signum].loop != EV_A))
1596 return; 2357 return;
1597#endif 2358#endif
1598 2359
1599 signals [signum].pending = 0; 2360 signals [signum].pending = 0;
2361 ECB_MEMORY_FENCE_RELEASE;
1600 2362
1601 for (w = signals [signum].head; w; w = w->next) 2363 for (w = signals [signum].head; w; w = w->next)
1602 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2364 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1603} 2365}
1604 2366
… …
1703#if EV_USE_SELECT 2465#if EV_USE_SELECT
1704# include "ev_select.c" 2466# include "ev_select.c"
1705#endif 2467#endif
1706 2468
1707int ecb_cold 2469int ecb_cold
1708ev_version_major (void) 2470ev_version_major (void) EV_THROW
1709{ 2471{
1710 return EV_VERSION_MAJOR; 2472 return EV_VERSION_MAJOR;
1711} 2473}
1712 2474
1713int ecb_cold 2475int ecb_cold
1714ev_version_minor (void) 2476ev_version_minor (void) EV_THROW
1715{ 2477{
1716 return EV_VERSION_MINOR; 2478 return EV_VERSION_MINOR;
1717} 2479}
1718 2480
1719/* return true if we are running with elevated privileges and should ignore env variables */ 2481/* return true if we are running with elevated privileges and should ignore env variables */
… …
1727 || getgid () != getegid (); 2489 || getgid () != getegid ();
1728#endif 2490#endif
1729} 2491}
1730 2492
1731unsigned int ecb_cold 2493unsigned int ecb_cold
1732ev_supported_backends (void) 2494ev_supported_backends (void) EV_THROW
1733{ 2495{
1734 unsigned int flags = 0; 2496 unsigned int flags = 0;
1735 2497
1736 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2498 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1737 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2499 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
1741 2503
1742 return flags; 2504 return flags;
1743} 2505}
1744 2506
1745unsigned int ecb_cold 2507unsigned int ecb_cold
1746ev_recommended_backends (void) 2508ev_recommended_backends (void) EV_THROW
1747{ 2509{
1748 unsigned int flags = ev_supported_backends (); 2510 unsigned int flags = ev_supported_backends ();
1749 2511
1750#ifndef __NetBSD__ 2512#ifndef __NetBSD__
1751 /* kqueue is borked on everything but netbsd apparently */ 2513 /* kqueue is borked on everything but netbsd apparently */
… …
1763 2525
1764 return flags; 2526 return flags;
1765} 2527}
1766 2528
1767unsigned int ecb_cold 2529unsigned int ecb_cold
1768ev_embeddable_backends (void) 2530ev_embeddable_backends (void) EV_THROW
1769{ 2531{
1770 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2532 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1771 2533
1772 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2534 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1773 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2535 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
1775 2537
1776 return flags; 2538 return flags;
1777} 2539}
1778 2540
1779unsigned int 2541unsigned int
1780ev_backend (EV_P) 2542ev_backend (EV_P) EV_THROW
1781{ 2543{
1782 return backend; 2544 return backend;
1783} 2545}
1784 2546
1785#if EV_FEATURE_API 2547#if EV_FEATURE_API
1786unsigned int 2548unsigned int
1787ev_iteration (EV_P) 2549ev_iteration (EV_P) EV_THROW
1788{ 2550{
1789 return loop_count; 2551 return loop_count;
1790} 2552}
1791 2553
1792unsigned int 2554unsigned int
1793ev_depth (EV_P) 2555ev_depth (EV_P) EV_THROW
1794{ 2556{
1795 return loop_depth; 2557 return loop_depth;
1796} 2558}
1797 2559
1798void 2560void
1799ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2561ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1800{ 2562{
1801 io_blocktime = interval; 2563 io_blocktime = interval;
1802} 2564}
1803 2565
1804void 2566void
1805ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2567ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1806{ 2568{
1807 timeout_blocktime = interval; 2569 timeout_blocktime = interval;
1808} 2570}
1809 2571
1810void 2572void
1811ev_set_userdata (EV_P_ void *data) 2573ev_set_userdata (EV_P_ void *data) EV_THROW
1812{ 2574{
1813 userdata = data; 2575 userdata = data;
1814} 2576}
1815 2577
1816void * 2578void *
1817ev_userdata (EV_P) 2579ev_userdata (EV_P) EV_THROW
1818{ 2580{
1819 return userdata; 2581 return userdata;
1820} 2582}
1821 2583
1822void 2584void
1823ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2585ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
1824{ 2586{
1825 invoke_cb = invoke_pending_cb; 2587 invoke_cb = invoke_pending_cb;
1826} 2588}
1827 2589
1828void 2590void
1829ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2591ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW
1830{ 2592{
1831 release_cb = release; 2593 release_cb = release;
1832 acquire_cb = acquire; 2594 acquire_cb = acquire;
1833} 2595}
1834#endif 2596#endif
1835 2597
1836/* initialise a loop structure, must be zero-initialised */ 2598/* initialise a loop structure, must be zero-initialised */
1837static void noinline ecb_cold 2599static void noinline ecb_cold
1838loop_init (EV_P_ unsigned int flags) 2600loop_init (EV_P_ unsigned int flags) EV_THROW
1839{ 2601{
1840 if (!backend) 2602 if (!backend)
1841 { 2603 {
1842 origflags = flags; 2604 origflags = flags;
1843 2605
… …
1888#if EV_ASYNC_ENABLE 2650#if EV_ASYNC_ENABLE
1889 async_pending = 0; 2651 async_pending = 0;
1890#endif 2652#endif
1891 pipe_write_skipped = 0; 2653 pipe_write_skipped = 0;
1892 pipe_write_wanted = 0; 2654 pipe_write_wanted = 0;
2655 evpipe [0] = -1;
2656 evpipe [1] = -1;
1893#if EV_USE_INOTIFY 2657#if EV_USE_INOTIFY
1894 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 2658 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1895#endif 2659#endif
1896#if EV_USE_SIGNALFD 2660#if EV_USE_SIGNALFD
1897 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 2661 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
… …
1948 EV_INVOKE_PENDING; 2712 EV_INVOKE_PENDING;
1949 } 2713 }
1950#endif 2714#endif
1951 2715
1952#if EV_CHILD_ENABLE 2716#if EV_CHILD_ENABLE
1953 if (ev_is_active (&childev)) 2717 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1954 { 2718 {
1955 ev_ref (EV_A); /* child watcher */ 2719 ev_ref (EV_A); /* child watcher */
1956 ev_signal_stop (EV_A_ &childev); 2720 ev_signal_stop (EV_A_ &childev);
1957 } 2721 }
1958#endif 2722#endif
… …
1960 if (ev_is_active (&pipe_w)) 2724 if (ev_is_active (&pipe_w))
1961 { 2725 {
1962 /*ev_ref (EV_A);*/ 2726 /*ev_ref (EV_A);*/
1963 /*ev_io_stop (EV_A_ &pipe_w);*/ 2727 /*ev_io_stop (EV_A_ &pipe_w);*/
1964 2728
1965#if EV_USE_EVENTFD
1966 if (evfd >= 0)
1967 close (evfd);
1968#endif
1969
1970 if (evpipe [0] >= 0)
1971 {
1972 EV_WIN32_CLOSE_FD (evpipe [0]); 2729 if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1973 EV_WIN32_CLOSE_FD (evpipe [1]); 2730 if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1974 }
1975 } 2731 }
1976 2732
1977#if EV_USE_SIGNALFD 2733#if EV_USE_SIGNALFD
1978 if (ev_is_active (&sigfd_w)) 2734 if (ev_is_active (&sigfd_w))
1979 close (sigfd); 2735 close (sigfd);
… …
2065#endif 2821#endif
2066#if EV_USE_INOTIFY 2822#if EV_USE_INOTIFY
2067 infy_fork (EV_A); 2823 infy_fork (EV_A);
2068#endif 2824#endif
2069 2825
2826#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2070 if (ev_is_active (&pipe_w)) 2827 if (ev_is_active (&pipe_w))
2071 { 2828 {
2072 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ 2829 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2073 2830
2074 ev_ref (EV_A); 2831 ev_ref (EV_A);
2075 ev_io_stop (EV_A_ &pipe_w); 2832 ev_io_stop (EV_A_ &pipe_w);
2076 2833
2077#if EV_USE_EVENTFD
2078 if (evfd >= 0)
2079 close (evfd);
2080#endif
2081
2082 if (evpipe [0] >= 0) 2834 if (evpipe [0] >= 0)
2083 {
2084 EV_WIN32_CLOSE_FD (evpipe [0]); 2835 EV_WIN32_CLOSE_FD (evpipe [0]);
2085 EV_WIN32_CLOSE_FD (evpipe [1]);
2086 }
2087 2836
2088#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2089 evpipe_init (EV_A); 2837 evpipe_init (EV_A);
2090 /* now iterate over everything, in case we missed something */ 2838 /* iterate over everything, in case we missed something before */
2091 pipecb (EV_A_ &pipe_w, EV_READ); 2839 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2092#endif
2093 } 2840 }
2841#endif
2094 2842
2095 postfork = 0; 2843 postfork = 0;
2096} 2844}
2097 2845
2098#if EV_MULTIPLICITY 2846#if EV_MULTIPLICITY
2099 2847
2100struct ev_loop * ecb_cold 2848struct ev_loop * ecb_cold
2101ev_loop_new (unsigned int flags) 2849ev_loop_new (unsigned int flags) EV_THROW
2102{ 2850{
2103 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2851 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2104 2852
2105 memset (EV_A, 0, sizeof (struct ev_loop)); 2853 memset (EV_A, 0, sizeof (struct ev_loop));
2106 loop_init (EV_A_ flags); 2854 loop_init (EV_A_ flags);
… …
2150} 2898}
2151#endif 2899#endif
2152 2900
2153#if EV_FEATURE_API 2901#if EV_FEATURE_API
2154void ecb_cold 2902void ecb_cold
2155ev_verify (EV_P) 2903ev_verify (EV_P) EV_THROW
2156{ 2904{
2157#if EV_VERIFY 2905#if EV_VERIFY
2158 int i; 2906 int i;
2159 WL w; 2907 WL w, w2;
2160 2908
2161 assert (activecnt >= -1); 2909 assert (activecnt >= -1);
2162 2910
2163 assert (fdchangemax >= fdchangecnt); 2911 assert (fdchangemax >= fdchangecnt);
2164 for (i = 0; i < fdchangecnt; ++i) 2912 for (i = 0; i < fdchangecnt; ++i)
2165 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2913 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2166 2914
2167 assert (anfdmax >= 0); 2915 assert (anfdmax >= 0);
2168 for (i = 0; i < anfdmax; ++i) 2916 for (i = 0; i < anfdmax; ++i)
2917 {
2918 int j = 0;
2919
2169 for (w = anfds [i].head; w; w = w->next) 2920 for (w = w2 = anfds [i].head; w; w = w->next)
2170 { 2921 {
2171 verify_watcher (EV_A_ (W)w); 2922 verify_watcher (EV_A_ (W)w);
2923
2924 if (j++ & 1)
2925 {
2926 assert (("libev: io watcher list contains a loop", w != w2));
2927 w2 = w2->next;
2928 }
2929
2172 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2930 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2173 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2931 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2174 } 2932 }
2933 }
2175 2934
2176 assert (timermax >= timercnt); 2935 assert (timermax >= timercnt);
2177 verify_heap (EV_A_ timers, timercnt); 2936 verify_heap (EV_A_ timers, timercnt);
2178 2937
2179#if EV_PERIODIC_ENABLE 2938#if EV_PERIODIC_ENABLE
… …
2229#if EV_MULTIPLICITY 2988#if EV_MULTIPLICITY
2230struct ev_loop * ecb_cold 2989struct ev_loop * ecb_cold
2231#else 2990#else
2232int 2991int
2233#endif 2992#endif
2234ev_default_loop (unsigned int flags) 2993ev_default_loop (unsigned int flags) EV_THROW
2235{ 2994{
2236 if (!ev_default_loop_ptr) 2995 if (!ev_default_loop_ptr)
2237 { 2996 {
2238#if EV_MULTIPLICITY 2997#if EV_MULTIPLICITY
2239 EV_P = ev_default_loop_ptr = &default_loop_struct; 2998 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2258 3017
2259 return ev_default_loop_ptr; 3018 return ev_default_loop_ptr;
2260} 3019}
2261 3020
2262void 3021void
2263ev_loop_fork (EV_P) 3022ev_loop_fork (EV_P) EV_THROW
2264{ 3023{
2265 postfork = 1; /* must be in line with ev_default_fork */ 3024 postfork = 1;
2266} 3025}
2267 3026
2268/*****************************************************************************/ 3027/*****************************************************************************/
2269 3028
2270void 3029void
… …
2272{ 3031{
2273 EV_CB_INVOKE ((W)w, revents); 3032 EV_CB_INVOKE ((W)w, revents);
2274} 3033}
2275 3034
2276unsigned int 3035unsigned int
2277ev_pending_count (EV_P) 3036ev_pending_count (EV_P) EV_THROW
2278{ 3037{
2279 int pri; 3038 int pri;
2280 unsigned int count = 0; 3039 unsigned int count = 0;
2281 3040
2282 for (pri = NUMPRI; pri--; ) 3041 for (pri = NUMPRI; pri--; )
… …
2286} 3045}
2287 3046
2288void noinline 3047void noinline
2289ev_invoke_pending (EV_P) 3048ev_invoke_pending (EV_P)
2290{ 3049{
2291 int pri; 3050 pendingpri = NUMPRI;
2292 3051
2293 for (pri = NUMPRI; pri--; ) 3052 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
3053 {
3054 --pendingpri;
3055
2294 while (pendingcnt [pri]) 3056 while (pendingcnt [pendingpri])
2295 { 3057 {
2296 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 3058 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2297 3059
2298 p->w->pending = 0; 3060 p->w->pending = 0;
2299 EV_CB_INVOKE (p->w, p->events); 3061 EV_CB_INVOKE (p->w, p->events);
2300 EV_FREQUENT_CHECK; 3062 EV_FREQUENT_CHECK;
2301 } 3063 }
3064 }
2302} 3065}
2303 3066
2304#if EV_IDLE_ENABLE 3067#if EV_IDLE_ENABLE
2305/* make idle watchers pending. this handles the "call-idle */ 3068/* make idle watchers pending. this handles the "call-idle */
2306/* only when higher priorities are idle" logic */ 3069/* only when higher priorities are idle" logic */
… …
2396{ 3159{
2397 EV_FREQUENT_CHECK; 3160 EV_FREQUENT_CHECK;
2398 3161
2399 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 3162 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2400 { 3163 {
2401 int feed_count = 0;
2402
2403 do 3164 do
2404 { 3165 {
2405 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 3166 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2406 3167
2407 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ 3168 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
… …
2541 3302
2542 mn_now = ev_rt_now; 3303 mn_now = ev_rt_now;
2543 } 3304 }
2544} 3305}
2545 3306
2546void 3307int
2547ev_run (EV_P_ int flags) 3308ev_run (EV_P_ int flags)
2548{ 3309{
2549#if EV_FEATURE_API 3310#if EV_FEATURE_API
2550 ++loop_depth; 3311 ++loop_depth;
2551#endif 3312#endif
… …
2612 time_update (EV_A_ 1e100); 3373 time_update (EV_A_ 1e100);
2613 3374
2614 /* from now on, we want a pipe-wake-up */ 3375 /* from now on, we want a pipe-wake-up */
2615 pipe_write_wanted = 1; 3376 pipe_write_wanted = 1;
2616 3377
2617 ECB_MEMORY_FENCE; /* amke sure pipe_write_wanted is visible before we check for potential skips */ 3378 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2618 3379
2619 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 3380 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2620 { 3381 {
2621 waittime = MAX_BLOCKTIME; 3382 waittime = MAX_BLOCKTIME;
2622 3383
… …
2664#endif 3425#endif
2665 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3426 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2666 backend_poll (EV_A_ waittime); 3427 backend_poll (EV_A_ waittime);
2667 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3428 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2668 3429
2669 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ 3430 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2670 3431
3432 ECB_MEMORY_FENCE_ACQUIRE;
2671 if (pipe_write_skipped) 3433 if (pipe_write_skipped)
2672 { 3434 {
2673 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3435 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2674 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3436 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2675 } 3437 }
… …
2708 loop_done = EVBREAK_CANCEL; 3470 loop_done = EVBREAK_CANCEL;
2709 3471
2710#if EV_FEATURE_API 3472#if EV_FEATURE_API
2711 --loop_depth; 3473 --loop_depth;
2712#endif 3474#endif
3475
3476 return activecnt;
2713} 3477}
2714 3478
2715void 3479void
2716ev_break (EV_P_ int how) 3480ev_break (EV_P_ int how) EV_THROW
2717{ 3481{
2718 loop_done = how; 3482 loop_done = how;
2719} 3483}
2720 3484
2721void 3485void
2722ev_ref (EV_P) 3486ev_ref (EV_P) EV_THROW
2723{ 3487{
2724 ++activecnt; 3488 ++activecnt;
2725} 3489}
2726 3490
2727void 3491void
2728ev_unref (EV_P) 3492ev_unref (EV_P) EV_THROW
2729{ 3493{
2730 --activecnt; 3494 --activecnt;
2731} 3495}
2732 3496
2733void 3497void
2734ev_now_update (EV_P) 3498ev_now_update (EV_P) EV_THROW
2735{ 3499{
2736 time_update (EV_A_ 1e100); 3500 time_update (EV_A_ 1e100);
2737} 3501}
2738 3502
2739void 3503void
2740ev_suspend (EV_P) 3504ev_suspend (EV_P) EV_THROW
2741{ 3505{
2742 ev_now_update (EV_A); 3506 ev_now_update (EV_A);
2743} 3507}
2744 3508
2745void 3509void
2746ev_resume (EV_P) 3510ev_resume (EV_P) EV_THROW
2747{ 3511{
2748 ev_tstamp mn_prev = mn_now; 3512 ev_tstamp mn_prev = mn_now;
2749 3513
2750 ev_now_update (EV_A); 3514 ev_now_update (EV_A);
2751 timers_reschedule (EV_A_ mn_now - mn_prev); 3515 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
2790 w->pending = 0; 3554 w->pending = 0;
2791 } 3555 }
2792} 3556}
2793 3557
2794int 3558int
2795ev_clear_pending (EV_P_ void *w) 3559ev_clear_pending (EV_P_ void *w) EV_THROW
2796{ 3560{
2797 W w_ = (W)w; 3561 W w_ = (W)w;
2798 int pending = w_->pending; 3562 int pending = w_->pending;
2799 3563
2800 if (expect_true (pending)) 3564 if (expect_true (pending))
… …
2833} 3597}
2834 3598
2835/*****************************************************************************/ 3599/*****************************************************************************/
2836 3600
2837void noinline 3601void noinline
2838ev_io_start (EV_P_ ev_io *w) 3602ev_io_start (EV_P_ ev_io *w) EV_THROW
2839{ 3603{
2840 int fd = w->fd; 3604 int fd = w->fd;
2841 3605
2842 if (expect_false (ev_is_active (w))) 3606 if (expect_false (ev_is_active (w)))
2843 return; 3607 return;
… …
2849 3613
2850 ev_start (EV_A_ (W)w, 1); 3614 ev_start (EV_A_ (W)w, 1);
2851 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3615 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2852 wlist_add (&anfds[fd].head, (WL)w); 3616 wlist_add (&anfds[fd].head, (WL)w);
2853 3617
3618 /* common bug, apparently */
3619 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3620
2854 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3621 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2855 w->events &= ~EV__IOFDSET; 3622 w->events &= ~EV__IOFDSET;
2856 3623
2857 EV_FREQUENT_CHECK; 3624 EV_FREQUENT_CHECK;
2858} 3625}
2859 3626
2860void noinline 3627void noinline
2861ev_io_stop (EV_P_ ev_io *w) 3628ev_io_stop (EV_P_ ev_io *w) EV_THROW
2862{ 3629{
2863 clear_pending (EV_A_ (W)w); 3630 clear_pending (EV_A_ (W)w);
2864 if (expect_false (!ev_is_active (w))) 3631 if (expect_false (!ev_is_active (w)))
2865 return; 3632 return;
2866 3633
… …
2875 3642
2876 EV_FREQUENT_CHECK; 3643 EV_FREQUENT_CHECK;
2877} 3644}
2878 3645
2879void noinline 3646void noinline
2880ev_timer_start (EV_P_ ev_timer *w) 3647ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2881{ 3648{
2882 if (expect_false (ev_is_active (w))) 3649 if (expect_false (ev_is_active (w)))
2883 return; 3650 return;
2884 3651
2885 ev_at (w) += mn_now; 3652 ev_at (w) += mn_now;
… …
2899 3666
2900 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3667 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2901} 3668}
2902 3669
2903void noinline 3670void noinline
2904ev_timer_stop (EV_P_ ev_timer *w) 3671ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2905{ 3672{
2906 clear_pending (EV_A_ (W)w); 3673 clear_pending (EV_A_ (W)w);
2907 if (expect_false (!ev_is_active (w))) 3674 if (expect_false (!ev_is_active (w)))
2908 return; 3675 return;
2909 3676
… …
2929 3696
2930 EV_FREQUENT_CHECK; 3697 EV_FREQUENT_CHECK;
2931} 3698}
2932 3699
2933void noinline 3700void noinline
2934ev_timer_again (EV_P_ ev_timer *w) 3701ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2935{ 3702{
2936 EV_FREQUENT_CHECK; 3703 EV_FREQUENT_CHECK;
3704
3705 clear_pending (EV_A_ (W)w);
2937 3706
2938 if (ev_is_active (w)) 3707 if (ev_is_active (w))
2939 { 3708 {
2940 if (w->repeat) 3709 if (w->repeat)
2941 { 3710 {
… …
2954 3723
2955 EV_FREQUENT_CHECK; 3724 EV_FREQUENT_CHECK;
2956} 3725}
2957 3726
2958ev_tstamp 3727ev_tstamp
2959ev_timer_remaining (EV_P_ ev_timer *w) 3728ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2960{ 3729{
2961 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3730 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2962} 3731}
2963 3732
2964#if EV_PERIODIC_ENABLE 3733#if EV_PERIODIC_ENABLE
2965void noinline 3734void noinline
2966ev_periodic_start (EV_P_ ev_periodic *w) 3735ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2967{ 3736{
2968 if (expect_false (ev_is_active (w))) 3737 if (expect_false (ev_is_active (w)))
2969 return; 3738 return;
2970 3739
2971 if (w->reschedule_cb) 3740 if (w->reschedule_cb)
… …
2991 3760
2992 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3761 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2993} 3762}
2994 3763
2995void noinline 3764void noinline
2996ev_periodic_stop (EV_P_ ev_periodic *w) 3765ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
2997{ 3766{
2998 clear_pending (EV_A_ (W)w); 3767 clear_pending (EV_A_ (W)w);
2999 if (expect_false (!ev_is_active (w))) 3768 if (expect_false (!ev_is_active (w)))
3000 return; 3769 return;
3001 3770
… …
3019 3788
3020 EV_FREQUENT_CHECK; 3789 EV_FREQUENT_CHECK;
3021} 3790}
3022 3791
3023void noinline 3792void noinline
3024ev_periodic_again (EV_P_ ev_periodic *w) 3793ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3025{ 3794{
3026 /* TODO: use adjustheap and recalculation */ 3795 /* TODO: use adjustheap and recalculation */
3027 ev_periodic_stop (EV_A_ w); 3796 ev_periodic_stop (EV_A_ w);
3028 ev_periodic_start (EV_A_ w); 3797 ev_periodic_start (EV_A_ w);
3029} 3798}
… …
3034#endif 3803#endif
3035 3804
3036#if EV_SIGNAL_ENABLE 3805#if EV_SIGNAL_ENABLE
3037 3806
3038void noinline 3807void noinline
3039ev_signal_start (EV_P_ ev_signal *w) 3808ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3040{ 3809{
3041 if (expect_false (ev_is_active (w))) 3810 if (expect_false (ev_is_active (w)))
3042 return; 3811 return;
3043 3812
3044 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3813 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3046#if EV_MULTIPLICITY 3815#if EV_MULTIPLICITY
3047 assert (("libev: a signal must not be attached to two different loops", 3816 assert (("libev: a signal must not be attached to two different loops",
3048 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); 3817 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3049 3818
3050 signals [w->signum - 1].loop = EV_A; 3819 signals [w->signum - 1].loop = EV_A;
3820 ECB_MEMORY_FENCE_RELEASE;
3051#endif 3821#endif
3052 3822
3053 EV_FREQUENT_CHECK; 3823 EV_FREQUENT_CHECK;
3054 3824
3055#if EV_USE_SIGNALFD 3825#if EV_USE_SIGNALFD
… …
3115 3885
3116 EV_FREQUENT_CHECK; 3886 EV_FREQUENT_CHECK;
3117} 3887}
3118 3888
3119void noinline 3889void noinline
3120ev_signal_stop (EV_P_ ev_signal *w) 3890ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3121{ 3891{
3122 clear_pending (EV_A_ (W)w); 3892 clear_pending (EV_A_ (W)w);
3123 if (expect_false (!ev_is_active (w))) 3893 if (expect_false (!ev_is_active (w)))
3124 return; 3894 return;
3125 3895
… …
3156#endif 3926#endif
3157 3927
3158#if EV_CHILD_ENABLE 3928#if EV_CHILD_ENABLE
3159 3929
3160void 3930void
3161ev_child_start (EV_P_ ev_child *w) 3931ev_child_start (EV_P_ ev_child *w) EV_THROW
3162{ 3932{
3163#if EV_MULTIPLICITY 3933#if EV_MULTIPLICITY
3164 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3934 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3165#endif 3935#endif
3166 if (expect_false (ev_is_active (w))) 3936 if (expect_false (ev_is_active (w)))
… …
3173 3943
3174 EV_FREQUENT_CHECK; 3944 EV_FREQUENT_CHECK;
3175} 3945}
3176 3946
3177void 3947void
3178ev_child_stop (EV_P_ ev_child *w) 3948ev_child_stop (EV_P_ ev_child *w) EV_THROW
3179{ 3949{
3180 clear_pending (EV_A_ (W)w); 3950 clear_pending (EV_A_ (W)w);
3181 if (expect_false (!ev_is_active (w))) 3951 if (expect_false (!ev_is_active (w)))
3182 return; 3952 return;
3183 3953
… …
3210# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 3980# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3211 3981
3212static void noinline 3982static void noinline
3213infy_add (EV_P_ ev_stat *w) 3983infy_add (EV_P_ ev_stat *w)
3214{ 3984{
3215 w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); 3985 w->wd = inotify_add_watch (fs_fd, w->path,
3986 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3987 | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
3988 | IN_DONT_FOLLOW | IN_MASK_ADD);
3216 3989
3217 if (w->wd >= 0) 3990 if (w->wd >= 0)
3218 { 3991 {
3219 struct statfs sfs; 3992 struct statfs sfs;
3220 3993
… …
3224 3997
3225 if (!fs_2625) 3998 if (!fs_2625)
3226 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; 3999 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3227 else if (!statfs (w->path, &sfs) 4000 else if (!statfs (w->path, &sfs)
3228 && (sfs.f_type == 0x1373 /* devfs */ 4001 && (sfs.f_type == 0x1373 /* devfs */
4002 || sfs.f_type == 0x4006 /* fat */
4003 || sfs.f_type == 0x4d44 /* msdos */
3229 || sfs.f_type == 0xEF53 /* ext2/3 */ 4004 || sfs.f_type == 0xEF53 /* ext2/3 */
4005 || sfs.f_type == 0x72b6 /* jffs2 */
4006 || sfs.f_type == 0x858458f6 /* ramfs */
4007 || sfs.f_type == 0x5346544e /* ntfs */
3230 || sfs.f_type == 0x3153464a /* jfs */ 4008 || sfs.f_type == 0x3153464a /* jfs */
4009 || sfs.f_type == 0x9123683e /* btrfs */
3231 || sfs.f_type == 0x52654973 /* reiser3 */ 4010 || sfs.f_type == 0x52654973 /* reiser3 */
3232 || sfs.f_type == 0x01021994 /* tempfs */ 4011 || sfs.f_type == 0x01021994 /* tmpfs */
3233 || sfs.f_type == 0x58465342 /* xfs */)) 4012 || sfs.f_type == 0x58465342 /* xfs */))
3234 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ 4013 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3235 else 4014 else
3236 w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ 4015 w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3237 } 4016 }
… …
3350} 4129}
3351 4130
3352inline_size int 4131inline_size int
3353infy_newfd (void) 4132infy_newfd (void)
3354{ 4133{
3355#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 4134#if defined IN_CLOEXEC && defined IN_NONBLOCK
3356 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 4135 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3357 if (fd >= 0) 4136 if (fd >= 0)
3358 return fd; 4137 return fd;
3359#endif 4138#endif
3360 return inotify_init (); 4139 return inotify_init ();
… …
3435#else 4214#else
3436# define EV_LSTAT(p,b) lstat (p, b) 4215# define EV_LSTAT(p,b) lstat (p, b)
3437#endif 4216#endif
3438 4217
3439void 4218void
3440ev_stat_stat (EV_P_ ev_stat *w) 4219ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3441{ 4220{
3442 if (lstat (w->path, &w->attr) < 0) 4221 if (lstat (w->path, &w->attr) < 0)
3443 w->attr.st_nlink = 0; 4222 w->attr.st_nlink = 0;
3444 else if (!w->attr.st_nlink) 4223 else if (!w->attr.st_nlink)
3445 w->attr.st_nlink = 1; 4224 w->attr.st_nlink = 1;
… …
3484 ev_feed_event (EV_A_ w, EV_STAT); 4263 ev_feed_event (EV_A_ w, EV_STAT);
3485 } 4264 }
3486} 4265}
3487 4266
3488void 4267void
3489ev_stat_start (EV_P_ ev_stat *w) 4268ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3490{ 4269{
3491 if (expect_false (ev_is_active (w))) 4270 if (expect_false (ev_is_active (w)))
3492 return; 4271 return;
3493 4272
3494 ev_stat_stat (EV_A_ w); 4273 ev_stat_stat (EV_A_ w);
… …
3515 4294
3516 EV_FREQUENT_CHECK; 4295 EV_FREQUENT_CHECK;
3517} 4296}
3518 4297
3519void 4298void
3520ev_stat_stop (EV_P_ ev_stat *w) 4299ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3521{ 4300{
3522 clear_pending (EV_A_ (W)w); 4301 clear_pending (EV_A_ (W)w);
3523 if (expect_false (!ev_is_active (w))) 4302 if (expect_false (!ev_is_active (w)))
3524 return; 4303 return;
3525 4304
… …
3541} 4320}
3542#endif 4321#endif
3543 4322
3544#if EV_IDLE_ENABLE 4323#if EV_IDLE_ENABLE
3545void 4324void
3546ev_idle_start (EV_P_ ev_idle *w) 4325ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3547{ 4326{
3548 if (expect_false (ev_is_active (w))) 4327 if (expect_false (ev_is_active (w)))
3549 return; 4328 return;
3550 4329
3551 pri_adjust (EV_A_ (W)w); 4330 pri_adjust (EV_A_ (W)w);
… …
3564 4343
3565 EV_FREQUENT_CHECK; 4344 EV_FREQUENT_CHECK;
3566} 4345}
3567 4346
3568void 4347void
3569ev_idle_stop (EV_P_ ev_idle *w) 4348ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3570{ 4349{
3571 clear_pending (EV_A_ (W)w); 4350 clear_pending (EV_A_ (W)w);
3572 if (expect_false (!ev_is_active (w))) 4351 if (expect_false (!ev_is_active (w)))
3573 return; 4352 return;
3574 4353
… …
3588} 4367}
3589#endif 4368#endif
3590 4369
3591#if EV_PREPARE_ENABLE 4370#if EV_PREPARE_ENABLE
3592void 4371void
3593ev_prepare_start (EV_P_ ev_prepare *w) 4372ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3594{ 4373{
3595 if (expect_false (ev_is_active (w))) 4374 if (expect_false (ev_is_active (w)))
3596 return; 4375 return;
3597 4376
3598 EV_FREQUENT_CHECK; 4377 EV_FREQUENT_CHECK;
… …
3603 4382
3604 EV_FREQUENT_CHECK; 4383 EV_FREQUENT_CHECK;
3605} 4384}
3606 4385
3607void 4386void
3608ev_prepare_stop (EV_P_ ev_prepare *w) 4387ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3609{ 4388{
3610 clear_pending (EV_A_ (W)w); 4389 clear_pending (EV_A_ (W)w);
3611 if (expect_false (!ev_is_active (w))) 4390 if (expect_false (!ev_is_active (w)))
3612 return; 4391 return;
3613 4392
… …
3626} 4405}
3627#endif 4406#endif
3628 4407
3629#if EV_CHECK_ENABLE 4408#if EV_CHECK_ENABLE
3630void 4409void
3631ev_check_start (EV_P_ ev_check *w) 4410ev_check_start (EV_P_ ev_check *w) EV_THROW
3632{ 4411{
3633 if (expect_false (ev_is_active (w))) 4412 if (expect_false (ev_is_active (w)))
3634 return; 4413 return;
3635 4414
3636 EV_FREQUENT_CHECK; 4415 EV_FREQUENT_CHECK;
… …
3641 4420
3642 EV_FREQUENT_CHECK; 4421 EV_FREQUENT_CHECK;
3643} 4422}
3644 4423
3645void 4424void
3646ev_check_stop (EV_P_ ev_check *w) 4425ev_check_stop (EV_P_ ev_check *w) EV_THROW
3647{ 4426{
3648 clear_pending (EV_A_ (W)w); 4427 clear_pending (EV_A_ (W)w);
3649 if (expect_false (!ev_is_active (w))) 4428 if (expect_false (!ev_is_active (w)))
3650 return; 4429 return;
3651 4430
… …
3664} 4443}
3665#endif 4444#endif
3666 4445
3667#if EV_EMBED_ENABLE 4446#if EV_EMBED_ENABLE
3668void noinline 4447void noinline
3669ev_embed_sweep (EV_P_ ev_embed *w) 4448ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3670{ 4449{
3671 ev_run (w->other, EVRUN_NOWAIT); 4450 ev_run (w->other, EVRUN_NOWAIT);
3672} 4451}
3673 4452
3674static void 4453static void
… …
3722 ev_idle_stop (EV_A_ idle); 4501 ev_idle_stop (EV_A_ idle);
3723} 4502}
3724#endif 4503#endif
3725 4504
3726void 4505void
3727ev_embed_start (EV_P_ ev_embed *w) 4506ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3728{ 4507{
3729 if (expect_false (ev_is_active (w))) 4508 if (expect_false (ev_is_active (w)))
3730 return; 4509 return;
3731 4510
3732 { 4511 {
… …
3753 4532
3754 EV_FREQUENT_CHECK; 4533 EV_FREQUENT_CHECK;
3755} 4534}
3756 4535
3757void 4536void
3758ev_embed_stop (EV_P_ ev_embed *w) 4537ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3759{ 4538{
3760 clear_pending (EV_A_ (W)w); 4539 clear_pending (EV_A_ (W)w);
3761 if (expect_false (!ev_is_active (w))) 4540 if (expect_false (!ev_is_active (w)))
3762 return; 4541 return;
3763 4542
… …
3773} 4552}
3774#endif 4553#endif
3775 4554
3776#if EV_FORK_ENABLE 4555#if EV_FORK_ENABLE
3777void 4556void
3778ev_fork_start (EV_P_ ev_fork *w) 4557ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3779{ 4558{
3780 if (expect_false (ev_is_active (w))) 4559 if (expect_false (ev_is_active (w)))
3781 return; 4560 return;
3782 4561
3783 EV_FREQUENT_CHECK; 4562 EV_FREQUENT_CHECK;
… …
3788 4567
3789 EV_FREQUENT_CHECK; 4568 EV_FREQUENT_CHECK;
3790} 4569}
3791 4570
3792void 4571void
3793ev_fork_stop (EV_P_ ev_fork *w) 4572ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3794{ 4573{
3795 clear_pending (EV_A_ (W)w); 4574 clear_pending (EV_A_ (W)w);
3796 if (expect_false (!ev_is_active (w))) 4575 if (expect_false (!ev_is_active (w)))
3797 return; 4576 return;
3798 4577
… …
3811} 4590}
3812#endif 4591#endif
3813 4592
3814#if EV_CLEANUP_ENABLE 4593#if EV_CLEANUP_ENABLE
3815void 4594void
3816ev_cleanup_start (EV_P_ ev_cleanup *w) 4595ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3817{ 4596{
3818 if (expect_false (ev_is_active (w))) 4597 if (expect_false (ev_is_active (w)))
3819 return; 4598 return;
3820 4599
3821 EV_FREQUENT_CHECK; 4600 EV_FREQUENT_CHECK;
… …
3828 ev_unref (EV_A); 4607 ev_unref (EV_A);
3829 EV_FREQUENT_CHECK; 4608 EV_FREQUENT_CHECK;
3830} 4609}
3831 4610
3832void 4611void
3833ev_cleanup_stop (EV_P_ ev_cleanup *w) 4612ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3834{ 4613{
3835 clear_pending (EV_A_ (W)w); 4614 clear_pending (EV_A_ (W)w);
3836 if (expect_false (!ev_is_active (w))) 4615 if (expect_false (!ev_is_active (w)))
3837 return; 4616 return;
3838 4617
… …
3852} 4631}
3853#endif 4632#endif
3854 4633
3855#if EV_ASYNC_ENABLE 4634#if EV_ASYNC_ENABLE
3856void 4635void
3857ev_async_start (EV_P_ ev_async *w) 4636ev_async_start (EV_P_ ev_async *w) EV_THROW
3858{ 4637{
3859 if (expect_false (ev_is_active (w))) 4638 if (expect_false (ev_is_active (w)))
3860 return; 4639 return;
3861 4640
3862 w->sent = 0; 4641 w->sent = 0;
… …
3871 4650
3872 EV_FREQUENT_CHECK; 4651 EV_FREQUENT_CHECK;
3873} 4652}
3874 4653
3875void 4654void
3876ev_async_stop (EV_P_ ev_async *w) 4655ev_async_stop (EV_P_ ev_async *w) EV_THROW
3877{ 4656{
3878 clear_pending (EV_A_ (W)w); 4657 clear_pending (EV_A_ (W)w);
3879 if (expect_false (!ev_is_active (w))) 4658 if (expect_false (!ev_is_active (w)))
3880 return; 4659 return;
3881 4660
… …
3892 4671
3893 EV_FREQUENT_CHECK; 4672 EV_FREQUENT_CHECK;
3894} 4673}
3895 4674
3896void 4675void
3897ev_async_send (EV_P_ ev_async *w) 4676ev_async_send (EV_P_ ev_async *w) EV_THROW
3898{ 4677{
3899 w->sent = 1; 4678 w->sent = 1;
3900 evpipe_write (EV_A_ &async_pending); 4679 evpipe_write (EV_A_ &async_pending);
3901} 4680}
3902#endif 4681#endif
… …
3939 4718
3940 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4719 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3941} 4720}
3942 4721
3943void 4722void
3944ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4723ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3945{ 4724{
3946 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4725 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3947 4726
3948 if (expect_false (!once)) 4727 if (expect_false (!once))
3949 { 4728 {
… …
3971 4750
3972/*****************************************************************************/ 4751/*****************************************************************************/
3973 4752
3974#if EV_WALK_ENABLE 4753#if EV_WALK_ENABLE
3975void ecb_cold 4754void ecb_cold
3976ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4755ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3977{ 4756{
3978 int i, j; 4757 int i, j;
3979 ev_watcher_list *wl, *wn; 4758 ev_watcher_list *wl, *wn;
3980 4759
3981 if (types & (EV_IO | EV_EMBED)) 4760 if (types & (EV_IO | EV_EMBED))
… …
4024 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); 4803 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
4025#endif 4804#endif
4026 4805
4027#if EV_IDLE_ENABLE 4806#if EV_IDLE_ENABLE
4028 if (types & EV_IDLE) 4807 if (types & EV_IDLE)
4029 for (j = NUMPRI; i--; ) 4808 for (j = NUMPRI; j--; )
4030 for (i = idlecnt [j]; i--; ) 4809 for (i = idlecnt [j]; i--; )
4031 cb (EV_A_ EV_IDLE, idles [j][i]); 4810 cb (EV_A_ EV_IDLE, idles [j][i]);
4032#endif 4811#endif
4033 4812
4034#if EV_FORK_ENABLE 4813#if EV_FORK_ENABLE
… …
4087 4866
4088#if EV_MULTIPLICITY 4867#if EV_MULTIPLICITY
4089 #include "ev_wrap.h" 4868 #include "ev_wrap.h"
4090#endif 4869#endif
4091 4870
4092EV_CPP(})
4093

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