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Comparing libev/ev.c (file contents):
Revision 1.388 by root, Fri Jul 29 12:17:26 2011 UTC vs.
Revision 1.463 by root, Thu Jan 16 11:51:05 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 (©) 2009-2013 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_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
576#define ECB_C99 (__STDC_VERSION__ >= 199901L)
577#define ECB_C11 (__STDC_VERSION__ >= 201112L)
578#define ECB_CPP (__cplusplus+0)
579#define ECB_CPP11 (__cplusplus >= 201103L)
580
581#if ECB_CPP
582 #define ECB_EXTERN_C extern "C"
583 #define ECB_EXTERN_C_BEG ECB_EXTERN_C {
584 #define ECB_EXTERN_C_END }
585#else
586 #define ECB_EXTERN_C extern
587 #define ECB_EXTERN_C_BEG
588 #define ECB_EXTERN_C_END
589#endif
590
591/*****************************************************************************/
592
593/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
594/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
595
596#if ECB_NO_THREADS
597 #define ECB_NO_SMP 1
598#endif
599
600#if ECB_NO_SMP
601 #define ECB_MEMORY_FENCE do { } while (0)
602#endif
603
604#ifndef ECB_MEMORY_FENCE
605 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
606 #if __i386 || __i386__
607 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
608 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
609 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
610 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
611 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
612 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
613 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
614 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
615 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
616 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
617 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
618 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
619 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
620 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
621 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
622 #elif (__sparc || __sparc__) && !__sparcv8
623 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
624 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
625 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
626 #elif defined __s390__ || defined __s390x__
627 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
628 #elif defined __mips__
629 /* GNU/Linux emulates sync on mips1 architectures, so we force its use */
630 /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
631 #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
632 #elif defined __alpha__
633 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
634 #elif defined __hppa__
635 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
636 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
637 #elif defined __ia64__
638 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
639 #elif defined __m68k__
640 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
641 #elif defined __m88k__
642 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
643 #elif defined __sh__
644 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
645 #endif
646 #endif
647#endif
648
649#ifndef ECB_MEMORY_FENCE
650 #if ECB_GCC_VERSION(4,7)
651 /* see comment below (stdatomic.h) about the C11 memory model. */
652 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
653
654 /* The __has_feature syntax from clang is so misdesigned that we cannot use it
655 * without risking compile time errors with other compilers. We *could*
656 * define our own ecb_clang_has_feature, but I just can't be bothered to work
657 * around this shit time and again.
658 * #elif defined __clang && __has_feature (cxx_atomic)
659 * // see comment below (stdatomic.h) about the C11 memory model.
660 * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
661 */
662
663 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
664 #define ECB_MEMORY_FENCE __sync_synchronize ()
665 #elif _MSC_VER >= 1500 /* VC++ 2008 */
666 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
667 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
668 #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
669 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
670 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
671 #elif _MSC_VER >= 1400 /* VC++ 2005 */
672 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
673 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
674 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
675 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
676 #elif defined _WIN32
677 #include <WinNT.h>
678 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
679 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
680 #include <mbarrier.h>
681 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
682 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
683 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
684 #elif __xlC__
685 #define ECB_MEMORY_FENCE __sync ()
686 #endif
687#endif
688
689#ifndef ECB_MEMORY_FENCE
690 #if ECB_C11 && !defined __STDC_NO_ATOMICS__
691 /* we assume that these memory fences work on all variables/all memory accesses, */
692 /* not just C11 atomics and atomic accesses */
693 #include <stdatomic.h>
694 /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
695 /* any fence other than seq_cst, which isn't very efficient for us. */
696 /* Why that is, we don't know - either the C11 memory model is quite useless */
697 /* for most usages, or gcc and clang have a bug */
698 /* I *currently* lean towards the latter, and inefficiently implement */
699 /* all three of ecb's fences as a seq_cst fence */
700 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
701 #endif
702#endif
703
704#ifndef ECB_MEMORY_FENCE
705 #if !ECB_AVOID_PTHREADS
706 /*
707 * if you get undefined symbol references to pthread_mutex_lock,
708 * or failure to find pthread.h, then you should implement
709 * the ECB_MEMORY_FENCE operations for your cpu/compiler
710 * OR provide pthread.h and link against the posix thread library
711 * of your system.
712 */
713 #include <pthread.h>
714 #define ECB_NEEDS_PTHREADS 1
715 #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
716
717 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
718 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
719 #endif
720#endif
721
722#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
723 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
724#endif
725
726#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
727 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
728#endif
729
730/*****************************************************************************/
486 731
487#if __cplusplus 732#if __cplusplus
488 #define ecb_inline static inline 733 #define ecb_inline static inline
489#elif ECB_GCC_VERSION(2,5) 734#elif ECB_GCC_VERSION(2,5)
490 #define ecb_inline static __inline__ 735 #define ecb_inline static __inline__
… …
492 #define ecb_inline static inline 737 #define ecb_inline static inline
493#else 738#else
494 #define ecb_inline static 739 #define ecb_inline static
495#endif 740#endif
496 741
497#ifndef ECB_MEMORY_FENCE
498 #if ECB_GCC_VERSION(2,5) 742#if ECB_GCC_VERSION(3,3)
499 #if __x86 743 #define ecb_restrict __restrict__
500 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 744#elif ECB_C99
501 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 745 #define ecb_restrict restrict
502 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE /* better be safe than sorry */ 746#else
503 #elif __amd64 747 #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 748#endif
509#endif
510 749
511#ifndef ECB_MEMORY_FENCE 750typedef 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 _MSC_VER >= 1400 && 0 /* TODO: only true when using volatiles */
517 #define ECB_MEMORY_FENCE do { } while (0)
518 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
519 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
520 #elif defined(_WIN32)
521 #include <WinNT.h>
522 #define ECB_MEMORY_FENCE MemoryBarrier ()
523 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
524 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
525 #endif
526#endif
527 751
528#ifndef ECB_MEMORY_FENCE 752#define ECB_CONCAT_(a, b) a ## b
529 #include <pthread.h> 753#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
754#define ECB_STRINGIFY_(a) # a
755#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
530 756
531 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 757#define ecb_function_ ecb_inline
532 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
533 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
534 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
535#endif
536 758
537#if ECB_GCC_VERSION(3,1) 759#if ECB_GCC_VERSION(3,1)
538 #define ecb_attribute(attrlist) __attribute__(attrlist) 760 #define ecb_attribute(attrlist) __attribute__(attrlist)
539 #define ecb_is_constant(expr) __builtin_constant_p (expr) 761 #define ecb_is_constant(expr) __builtin_constant_p (expr)
540 #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) 762 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
… …
544 #define ecb_is_constant(expr) 0 766 #define ecb_is_constant(expr) 0
545 #define ecb_expect(expr,value) (expr) 767 #define ecb_expect(expr,value) (expr)
546 #define ecb_prefetch(addr,rw,locality) 768 #define ecb_prefetch(addr,rw,locality)
547#endif 769#endif
548 770
771/* no emulation for ecb_decltype */
772#if ECB_GCC_VERSION(4,5)
773 #define ecb_decltype(x) __decltype(x)
774#elif ECB_GCC_VERSION(3,0)
775 #define ecb_decltype(x) __typeof(x)
776#endif
777
549#define ecb_noinline ecb_attribute ((__noinline__)) 778#define ecb_noinline ecb_attribute ((__noinline__))
550#define ecb_noreturn ecb_attribute ((__noreturn__))
551#define ecb_unused ecb_attribute ((__unused__)) 779#define ecb_unused ecb_attribute ((__unused__))
552#define ecb_const ecb_attribute ((__const__)) 780#define ecb_const ecb_attribute ((__const__))
553#define ecb_pure ecb_attribute ((__pure__)) 781#define ecb_pure ecb_attribute ((__pure__))
782
783#if ECB_C11
784 #define ecb_noreturn _Noreturn
785#else
786 #define ecb_noreturn ecb_attribute ((__noreturn__))
787#endif
554 788
555#if ECB_GCC_VERSION(4,3) 789#if ECB_GCC_VERSION(4,3)
556 #define ecb_artificial ecb_attribute ((__artificial__)) 790 #define ecb_artificial ecb_attribute ((__artificial__))
557 #define ecb_hot ecb_attribute ((__hot__)) 791 #define ecb_hot ecb_attribute ((__hot__))
558 #define ecb_cold ecb_attribute ((__cold__)) 792 #define ecb_cold ecb_attribute ((__cold__))
… …
565/* put around conditional expressions if you are very sure that the */ 799/* put around conditional expressions if you are very sure that the */
566/* expression is mostly true or mostly false. note that these return */ 800/* expression is mostly true or mostly false. note that these return */
567/* booleans, not the expression. */ 801/* booleans, not the expression. */
568#define ecb_expect_false(expr) ecb_expect (!!(expr), 0) 802#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
569#define ecb_expect_true(expr) ecb_expect (!!(expr), 1) 803#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
570/* ecb.h end */ 804/* for compatibility to the rest of the world */
805#define ecb_likely(expr) ecb_expect_true (expr)
806#define ecb_unlikely(expr) ecb_expect_false (expr)
807
808/* count trailing zero bits and count # of one bits */
809#if ECB_GCC_VERSION(3,4)
810 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
811 #define ecb_ld32(x) (__builtin_clz (x) ^ 31)
812 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
813 #define ecb_ctz32(x) __builtin_ctz (x)
814 #define ecb_ctz64(x) __builtin_ctzll (x)
815 #define ecb_popcount32(x) __builtin_popcount (x)
816 /* no popcountll */
817#else
818 ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
819 ecb_function_ int
820 ecb_ctz32 (uint32_t x)
821 {
822 int r = 0;
823
824 x &= ~x + 1; /* this isolates the lowest bit */
825
826#if ECB_branchless_on_i386
827 r += !!(x & 0xaaaaaaaa) << 0;
828 r += !!(x & 0xcccccccc) << 1;
829 r += !!(x & 0xf0f0f0f0) << 2;
830 r += !!(x & 0xff00ff00) << 3;
831 r += !!(x & 0xffff0000) << 4;
832#else
833 if (x & 0xaaaaaaaa) r += 1;
834 if (x & 0xcccccccc) r += 2;
835 if (x & 0xf0f0f0f0) r += 4;
836 if (x & 0xff00ff00) r += 8;
837 if (x & 0xffff0000) r += 16;
838#endif
839
840 return r;
841 }
842
843 ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
844 ecb_function_ int
845 ecb_ctz64 (uint64_t x)
846 {
847 int shift = x & 0xffffffffU ? 0 : 32;
848 return ecb_ctz32 (x >> shift) + shift;
849 }
850
851 ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
852 ecb_function_ int
853 ecb_popcount32 (uint32_t x)
854 {
855 x -= (x >> 1) & 0x55555555;
856 x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
857 x = ((x >> 4) + x) & 0x0f0f0f0f;
858 x *= 0x01010101;
859
860 return x >> 24;
861 }
862
863 ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
864 ecb_function_ int ecb_ld32 (uint32_t x)
865 {
866 int r = 0;
867
868 if (x >> 16) { x >>= 16; r += 16; }
869 if (x >> 8) { x >>= 8; r += 8; }
870 if (x >> 4) { x >>= 4; r += 4; }
871 if (x >> 2) { x >>= 2; r += 2; }
872 if (x >> 1) { r += 1; }
873
874 return r;
875 }
876
877 ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
878 ecb_function_ int ecb_ld64 (uint64_t x)
879 {
880 int r = 0;
881
882 if (x >> 32) { x >>= 32; r += 32; }
883
884 return r + ecb_ld32 (x);
885 }
886#endif
887
888ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
889ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
890ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
891ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
892
893ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
894ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
895{
896 return ( (x * 0x0802U & 0x22110U)
897 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
898}
899
900ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
901ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
902{
903 x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
904 x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
905 x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
906 x = ( x >> 8 ) | ( x << 8);
907
908 return x;
909}
910
911ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
912ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
913{
914 x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
915 x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
916 x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
917 x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
918 x = ( x >> 16 ) | ( x << 16);
919
920 return x;
921}
922
923/* popcount64 is only available on 64 bit cpus as gcc builtin */
924/* so for this version we are lazy */
925ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
926ecb_function_ int
927ecb_popcount64 (uint64_t x)
928{
929 return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
930}
931
932ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
933ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
934ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
935ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
936ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
937ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
938ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
939ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
940
941ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
942ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
943ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
944ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
945ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
946ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
947ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
948ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
949
950#if ECB_GCC_VERSION(4,3)
951 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
952 #define ecb_bswap32(x) __builtin_bswap32 (x)
953 #define ecb_bswap64(x) __builtin_bswap64 (x)
954#else
955 ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
956 ecb_function_ uint16_t
957 ecb_bswap16 (uint16_t x)
958 {
959 return ecb_rotl16 (x, 8);
960 }
961
962 ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
963 ecb_function_ uint32_t
964 ecb_bswap32 (uint32_t x)
965 {
966 return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
967 }
968
969 ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
970 ecb_function_ uint64_t
971 ecb_bswap64 (uint64_t x)
972 {
973 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
974 }
975#endif
976
977#if ECB_GCC_VERSION(4,5)
978 #define ecb_unreachable() __builtin_unreachable ()
979#else
980 /* this seems to work fine, but gcc always emits a warning for it :/ */
981 ecb_inline void ecb_unreachable (void) ecb_noreturn;
982 ecb_inline void ecb_unreachable (void) { }
983#endif
984
985/* try to tell the compiler that some condition is definitely true */
986#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
987
988ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
989ecb_inline unsigned char
990ecb_byteorder_helper (void)
991{
992 /* the union code still generates code under pressure in gcc, */
993 /* but less than using pointers, and always seems to */
994 /* successfully return a constant. */
995 /* the reason why we have this horrible preprocessor mess */
996 /* is to avoid it in all cases, at least on common architectures */
997 /* or when using a recent enough gcc version (>= 4.6) */
998#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
999 return 0x44;
1000#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1001 return 0x44;
1002#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1003 return 0x11;
1004#else
1005 union
1006 {
1007 uint32_t i;
1008 uint8_t c;
1009 } u = { 0x11223344 };
1010 return u.c;
1011#endif
1012}
1013
1014ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
1015ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
1016ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
1017ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
1018
1019#if ECB_GCC_VERSION(3,0) || ECB_C99
1020 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1021#else
1022 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1023#endif
1024
1025#if __cplusplus
1026 template<typename T>
1027 static inline T ecb_div_rd (T val, T div)
1028 {
1029 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1030 }
1031 template<typename T>
1032 static inline T ecb_div_ru (T val, T div)
1033 {
1034 return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
1035 }
1036#else
1037 #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
1038 #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
1039#endif
1040
1041#if ecb_cplusplus_does_not_suck
1042 /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
1043 template<typename T, int N>
1044 static inline int ecb_array_length (const T (&arr)[N])
1045 {
1046 return N;
1047 }
1048#else
1049 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1050#endif
1051
1052/*******************************************************************************/
1053/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1054
1055/* basically, everything uses "ieee pure-endian" floating point numbers */
1056/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1057#if 0 \
1058 || __i386 || __i386__ \
1059 || __amd64 || __amd64__ || __x86_64 || __x86_64__ \
1060 || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1061 || defined __arm__ && defined __ARM_EABI__ \
1062 || defined __s390__ || defined __s390x__ \
1063 || defined __mips__ \
1064 || defined __alpha__ \
1065 || defined __hppa__ \
1066 || defined __ia64__ \
1067 || defined __m68k__ \
1068 || defined __m88k__ \
1069 || defined __sh__ \
1070 || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
1071 #define ECB_STDFP 1
1072 #include <string.h> /* for memcpy */
1073#else
1074 #define ECB_STDFP 0
1075#endif
1076
1077#ifndef ECB_NO_LIBM
1078
1079 #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
1080
1081 /* only the oldest of old doesn't have this one. solaris. */
1082 #ifdef INFINITY
1083 #define ECB_INFINITY INFINITY
1084 #else
1085 #define ECB_INFINITY HUGE_VAL
1086 #endif
1087
1088 #ifdef NAN
1089 #define ECB_NAN NAN
1090 #else
1091 #define ECB_NAN ECB_INFINITY
1092 #endif
1093
1094 /* converts an ieee half/binary16 to a float */
1095 ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
1096 ecb_function_ float
1097 ecb_binary16_to_float (uint16_t x)
1098 {
1099 int e = (x >> 10) & 0x1f;
1100 int m = x & 0x3ff;
1101 float r;
1102
1103 if (!e ) r = ldexpf (m , -24);
1104 else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1105 else if (m ) r = ECB_NAN;
1106 else r = ECB_INFINITY;
1107
1108 return x & 0x8000 ? -r : r;
1109 }
1110
1111 /* convert a float to ieee single/binary32 */
1112 ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
1113 ecb_function_ uint32_t
1114 ecb_float_to_binary32 (float x)
1115 {
1116 uint32_t r;
1117
1118 #if ECB_STDFP
1119 memcpy (&r, &x, 4);
1120 #else
1121 /* slow emulation, works for anything but -0 */
1122 uint32_t m;
1123 int e;
1124
1125 if (x == 0e0f ) return 0x00000000U;
1126 if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1127 if (x < -3.40282346638528860e+38f) return 0xff800000U;
1128 if (x != x ) return 0x7fbfffffU;
1129
1130 m = frexpf (x, &e) * 0x1000000U;
1131
1132 r = m & 0x80000000U;
1133
1134 if (r)
1135 m = -m;
1136
1137 if (e <= -126)
1138 {
1139 m &= 0xffffffU;
1140 m >>= (-125 - e);
1141 e = -126;
1142 }
1143
1144 r |= (e + 126) << 23;
1145 r |= m & 0x7fffffU;
1146 #endif
1147
1148 return r;
1149 }
1150
1151 /* converts an ieee single/binary32 to a float */
1152 ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
1153 ecb_function_ float
1154 ecb_binary32_to_float (uint32_t x)
1155 {
1156 float r;
1157
1158 #if ECB_STDFP
1159 memcpy (&r, &x, 4);
1160 #else
1161 /* emulation, only works for normals and subnormals and +0 */
1162 int neg = x >> 31;
1163 int e = (x >> 23) & 0xffU;
1164
1165 x &= 0x7fffffU;
1166
1167 if (e)
1168 x |= 0x800000U;
1169 else
1170 e = 1;
1171
1172 /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1173 r = ldexpf (x * (0.5f / 0x800000U), e - 126);
1174
1175 r = neg ? -r : r;
1176 #endif
1177
1178 return r;
1179 }
1180
1181 /* convert a double to ieee double/binary64 */
1182 ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
1183 ecb_function_ uint64_t
1184 ecb_double_to_binary64 (double x)
1185 {
1186 uint64_t r;
1187
1188 #if ECB_STDFP
1189 memcpy (&r, &x, 8);
1190 #else
1191 /* slow emulation, works for anything but -0 */
1192 uint64_t m;
1193 int e;
1194
1195 if (x == 0e0 ) return 0x0000000000000000U;
1196 if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
1197 if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
1198 if (x != x ) return 0X7ff7ffffffffffffU;
1199
1200 m = frexp (x, &e) * 0x20000000000000U;
1201
1202 r = m & 0x8000000000000000;;
1203
1204 if (r)
1205 m = -m;
1206
1207 if (e <= -1022)
1208 {
1209 m &= 0x1fffffffffffffU;
1210 m >>= (-1021 - e);
1211 e = -1022;
1212 }
1213
1214 r |= ((uint64_t)(e + 1022)) << 52;
1215 r |= m & 0xfffffffffffffU;
1216 #endif
1217
1218 return r;
1219 }
1220
1221 /* converts an ieee double/binary64 to a double */
1222 ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
1223 ecb_function_ double
1224 ecb_binary64_to_double (uint64_t x)
1225 {
1226 double r;
1227
1228 #if ECB_STDFP
1229 memcpy (&r, &x, 8);
1230 #else
1231 /* emulation, only works for normals and subnormals and +0 */
1232 int neg = x >> 63;
1233 int e = (x >> 52) & 0x7ffU;
1234
1235 x &= 0xfffffffffffffU;
1236
1237 if (e)
1238 x |= 0x10000000000000U;
1239 else
1240 e = 1;
1241
1242 /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
1243 r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
1244
1245 r = neg ? -r : r;
1246 #endif
1247
1248 return r;
1249 }
1250
1251#endif
1252
1253#endif
1254
1255/* ECB.H END */
1256
1257#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1258/* if your architecture doesn't need memory fences, e.g. because it is
1259 * single-cpu/core, or if you use libev in a project that doesn't use libev
1260 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
1261 * libev, in which cases the memory fences become nops.
1262 * alternatively, you can remove this #error and link against libpthread,
1263 * which will then provide the memory fences.
1264 */
1265# error "memory fences not defined for your architecture, please report"
1266#endif
1267
1268#ifndef ECB_MEMORY_FENCE
1269# define ECB_MEMORY_FENCE do { } while (0)
1270# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1271# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1272#endif
571 1273
572#define expect_false(cond) ecb_expect_false (cond) 1274#define expect_false(cond) ecb_expect_false (cond)
573#define expect_true(cond) ecb_expect_true (cond) 1275#define expect_true(cond) ecb_expect_true (cond)
574#define noinline ecb_noinline 1276#define noinline ecb_noinline
575 1277
… …
721{ 1423{
722 write (STDERR_FILENO, msg, strlen (msg)); 1424 write (STDERR_FILENO, msg, strlen (msg));
723} 1425}
724#endif 1426#endif
725 1427
726static void (*syserr_cb)(const char *msg); 1428static void (*syserr_cb)(const char *msg) EV_THROW;
727 1429
728void ecb_cold 1430void ecb_cold
729ev_set_syserr_cb (void (*cb)(const char *msg)) 1431ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
730{ 1432{
731 syserr_cb = cb; 1433 syserr_cb = cb;
732} 1434}
733 1435
734static void noinline ecb_cold 1436static void noinline ecb_cold
… …
752 abort (); 1454 abort ();
753 } 1455 }
754} 1456}
755 1457
756static void * 1458static void *
757ev_realloc_emul (void *ptr, long size) 1459ev_realloc_emul (void *ptr, long size) EV_THROW
758{ 1460{
759#if __GLIBC__
760 return realloc (ptr, size);
761#else
762 /* some systems, notably openbsd and darwin, fail to properly 1461 /* some systems, notably openbsd and darwin, fail to properly
763 * implement realloc (x, 0) (as required by both ansi c-89 and 1462 * implement realloc (x, 0) (as required by both ansi c-89 and
764 * the single unix specification, so work around them here. 1463 * the single unix specification, so work around them here.
1464 * recently, also (at least) fedora and debian started breaking it,
1465 * despite documenting it otherwise.
765 */ 1466 */
766 1467
767 if (size) 1468 if (size)
768 return realloc (ptr, size); 1469 return realloc (ptr, size);
769 1470
770 free (ptr); 1471 free (ptr);
771 return 0; 1472 return 0;
772#endif
773} 1473}
774 1474
775static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1475static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
776 1476
777void ecb_cold 1477void ecb_cold
778ev_set_allocator (void *(*cb)(void *ptr, long size)) 1478ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
779{ 1479{
780 alloc = cb; 1480 alloc = cb;
781} 1481}
782 1482
783inline_speed void * 1483inline_speed void *
… …
871 #undef VAR 1571 #undef VAR
872 }; 1572 };
873 #include "ev_wrap.h" 1573 #include "ev_wrap.h"
874 1574
875 static struct ev_loop default_loop_struct; 1575 static struct ev_loop default_loop_struct;
876 struct ev_loop *ev_default_loop_ptr; 1576 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
877 1577
878#else 1578#else
879 1579
880 ev_tstamp ev_rt_now; 1580 EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
881 #define VAR(name,decl) static decl; 1581 #define VAR(name,decl) static decl;
882 #include "ev_vars.h" 1582 #include "ev_vars.h"
883 #undef VAR 1583 #undef VAR
884 1584
885 static int ev_default_loop_ptr; 1585 static int ev_default_loop_ptr;
… …
900 1600
901/*****************************************************************************/ 1601/*****************************************************************************/
902 1602
903#ifndef EV_HAVE_EV_TIME 1603#ifndef EV_HAVE_EV_TIME
904ev_tstamp 1604ev_tstamp
905ev_time (void) 1605ev_time (void) EV_THROW
906{ 1606{
907#if EV_USE_REALTIME 1607#if EV_USE_REALTIME
908 if (expect_true (have_realtime)) 1608 if (expect_true (have_realtime))
909 { 1609 {
910 struct timespec ts; 1610 struct timespec ts;
… …
934 return ev_time (); 1634 return ev_time ();
935} 1635}
936 1636
937#if EV_MULTIPLICITY 1637#if EV_MULTIPLICITY
938ev_tstamp 1638ev_tstamp
939ev_now (EV_P) 1639ev_now (EV_P) EV_THROW
940{ 1640{
941 return ev_rt_now; 1641 return ev_rt_now;
942} 1642}
943#endif 1643#endif
944 1644
945void 1645void
946ev_sleep (ev_tstamp delay) 1646ev_sleep (ev_tstamp delay) EV_THROW
947{ 1647{
948 if (delay > 0.) 1648 if (delay > 0.)
949 { 1649 {
950#if EV_USE_NANOSLEEP 1650#if EV_USE_NANOSLEEP
951 struct timespec ts; 1651 struct timespec ts;
952 1652
953 EV_TS_SET (ts, delay); 1653 EV_TS_SET (ts, delay);
954 nanosleep (&ts, 0); 1654 nanosleep (&ts, 0);
955#elif defined(_WIN32) 1655#elif defined _WIN32
956 Sleep ((unsigned long)(delay * 1e3)); 1656 Sleep ((unsigned long)(delay * 1e3));
957#else 1657#else
958 struct timeval tv; 1658 struct timeval tv;
959 1659
960 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1660 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
… …
979 1679
980 do 1680 do
981 ncur <<= 1; 1681 ncur <<= 1;
982 while (cnt > ncur); 1682 while (cnt > ncur);
983 1683
984 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ 1684 /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
985 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1685 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
986 { 1686 {
987 ncur *= elem; 1687 ncur *= elem;
988 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); 1688 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
989 ncur = ncur - sizeof (void *) * 4; 1689 ncur = ncur - sizeof (void *) * 4;
… …
1032pendingcb (EV_P_ ev_prepare *w, int revents) 1732pendingcb (EV_P_ ev_prepare *w, int revents)
1033{ 1733{
1034} 1734}
1035 1735
1036void noinline 1736void noinline
1037ev_feed_event (EV_P_ void *w, int revents) 1737ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1038{ 1738{
1039 W w_ = (W)w; 1739 W w_ = (W)w;
1040 int pri = ABSPRI (w_); 1740 int pri = ABSPRI (w_);
1041 1741
1042 if (expect_false (w_->pending)) 1742 if (expect_false (w_->pending))
… …
1046 w_->pending = ++pendingcnt [pri]; 1746 w_->pending = ++pendingcnt [pri];
1047 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1747 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1048 pendings [pri][w_->pending - 1].w = w_; 1748 pendings [pri][w_->pending - 1].w = w_;
1049 pendings [pri][w_->pending - 1].events = revents; 1749 pendings [pri][w_->pending - 1].events = revents;
1050 } 1750 }
1751
1752 pendingpri = NUMPRI - 1;
1051} 1753}
1052 1754
1053inline_speed void 1755inline_speed void
1054feed_reverse (EV_P_ W w) 1756feed_reverse (EV_P_ W w)
1055{ 1757{
… …
1101 if (expect_true (!anfd->reify)) 1803 if (expect_true (!anfd->reify))
1102 fd_event_nocheck (EV_A_ fd, revents); 1804 fd_event_nocheck (EV_A_ fd, revents);
1103} 1805}
1104 1806
1105void 1807void
1106ev_feed_fd_event (EV_P_ int fd, int revents) 1808ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1107{ 1809{
1108 if (fd >= 0 && fd < anfdmax) 1810 if (fd >= 0 && fd < anfdmax)
1109 fd_event_nocheck (EV_A_ fd, revents); 1811 fd_event_nocheck (EV_A_ fd, revents);
1110} 1812}
1111 1813
… …
1430static void noinline ecb_cold 2132static void noinline ecb_cold
1431evpipe_init (EV_P) 2133evpipe_init (EV_P)
1432{ 2134{
1433 if (!ev_is_active (&pipe_w)) 2135 if (!ev_is_active (&pipe_w))
1434 { 2136 {
2137 int fds [2];
2138
1435# if EV_USE_EVENTFD 2139# if EV_USE_EVENTFD
2140 fds [0] = -1;
1436 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 2141 fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1437 if (evfd < 0 && errno == EINVAL) 2142 if (fds [1] < 0 && errno == EINVAL)
1438 evfd = eventfd (0, 0); 2143 fds [1] = eventfd (0, 0);
1439 2144
1440 if (evfd >= 0) 2145 if (fds [1] < 0)
2146# endif
1441 { 2147 {
2148 while (pipe (fds))
2149 ev_syserr ("(libev) error creating signal/async pipe");
2150
2151 fd_intern (fds [0]);
2152 }
2153
1442 evpipe [0] = -1; 2154 evpipe [0] = fds [0];
1443 fd_intern (evfd); /* doing it twice doesn't hurt */ 2155
1444 ev_io_set (&pipe_w, evfd, EV_READ); 2156 if (evpipe [1] < 0)
2157 evpipe [1] = fds [1]; /* first call, set write fd */
2158 else
2159 {
2160 /* on subsequent calls, do not change evpipe [1] */
2161 /* so that evpipe_write can always rely on its value. */
2162 /* this branch does not do anything sensible on windows, */
2163 /* so must not be executed on windows */
2164
2165 dup2 (fds [1], evpipe [1]);
2166 close (fds [1]);
2167 }
2168
2169 fd_intern (evpipe [1]);
2170
2171 ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
2172 ev_io_start (EV_A_ &pipe_w);
2173 ev_unref (EV_A); /* watcher should not keep loop alive */
2174 }
2175}
2176
2177inline_speed void
2178evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2179{
2180 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2181
2182 if (expect_true (*flag))
2183 return;
2184
2185 *flag = 1;
2186 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2187
2188 pipe_write_skipped = 1;
2189
2190 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
2191
2192 if (pipe_write_wanted)
2193 {
2194 int old_errno;
2195
2196 pipe_write_skipped = 0;
2197 ECB_MEMORY_FENCE_RELEASE;
2198
2199 old_errno = errno; /* save errno because write will clobber it */
2200
2201#if EV_USE_EVENTFD
2202 if (evpipe [0] < 0)
2203 {
2204 uint64_t counter = 1;
2205 write (evpipe [1], &counter, sizeof (uint64_t));
1445 } 2206 }
1446 else 2207 else
1447# endif 2208#endif
1448 { 2209 {
1449 while (pipe (evpipe)) 2210#ifdef _WIN32
1450 ev_syserr ("(libev) error creating signal/async pipe"); 2211 WSABUF buf;
1451 2212 DWORD sent;
1452 fd_intern (evpipe [0]); 2213 buf.buf = &buf;
1453 fd_intern (evpipe [1]); 2214 buf.len = 1;
1454 ev_io_set (&pipe_w, evpipe [0], EV_READ); 2215 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1455 } 2216#else
1456
1457 ev_io_start (EV_A_ &pipe_w);
1458 ev_unref (EV_A); /* watcher should not keep loop alive */
1459 }
1460}
1461
1462inline_speed void
1463evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1464{
1465 if (expect_true (*flag))
1466 return;
1467
1468 *flag = 1;
1469
1470 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1471
1472 pipe_write_skipped = 1;
1473
1474 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1475
1476 if (pipe_write_wanted)
1477 {
1478 int old_errno;
1479
1480 pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
1481
1482 old_errno = errno; /* save errno because write will clobber it */
1483
1484#if EV_USE_EVENTFD
1485 if (evfd >= 0)
1486 {
1487 uint64_t counter = 1;
1488 write (evfd, &counter, sizeof (uint64_t));
1489 }
1490 else
1491#endif
1492 {
1493 /* win32 people keep sending patches that change this write() to send() */
1494 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1495 /* so when you think this write should be a send instead, please find out */
1496 /* where your send() is from - it's definitely not the microsoft send, and */
1497 /* tell me. thank you. */
1498 write (evpipe [1], &(evpipe [1]), 1); 2217 write (evpipe [1], &(evpipe [1]), 1);
2218#endif
1499 } 2219 }
1500 2220
1501 errno = old_errno; 2221 errno = old_errno;
1502 } 2222 }
1503} 2223}
… …
1510 int i; 2230 int i;
1511 2231
1512 if (revents & EV_READ) 2232 if (revents & EV_READ)
1513 { 2233 {
1514#if EV_USE_EVENTFD 2234#if EV_USE_EVENTFD
1515 if (evfd >= 0) 2235 if (evpipe [0] < 0)
1516 { 2236 {
1517 uint64_t counter; 2237 uint64_t counter;
1518 read (evfd, &counter, sizeof (uint64_t)); 2238 read (evpipe [1], &counter, sizeof (uint64_t));
1519 } 2239 }
1520 else 2240 else
1521#endif 2241#endif
1522 { 2242 {
1523 char dummy; 2243 char dummy[4];
1524 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 2244#ifdef _WIN32
2245 WSABUF buf;
2246 DWORD recvd;
2247 DWORD flags = 0;
2248 buf.buf = dummy;
2249 buf.len = sizeof (dummy);
2250 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
2251#else
1525 read (evpipe [0], &dummy, 1); 2252 read (evpipe [0], &dummy, sizeof (dummy));
2253#endif
1526 } 2254 }
1527 } 2255 }
1528 2256
1529 pipe_write_skipped = 0; 2257 pipe_write_skipped = 0;
2258
2259 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1530 2260
1531#if EV_SIGNAL_ENABLE 2261#if EV_SIGNAL_ENABLE
1532 if (sig_pending) 2262 if (sig_pending)
1533 { 2263 {
1534 sig_pending = 0; 2264 sig_pending = 0;
2265
2266 ECB_MEMORY_FENCE;
1535 2267
1536 for (i = EV_NSIG - 1; i--; ) 2268 for (i = EV_NSIG - 1; i--; )
1537 if (expect_false (signals [i].pending)) 2269 if (expect_false (signals [i].pending))
1538 ev_feed_signal_event (EV_A_ i + 1); 2270 ev_feed_signal_event (EV_A_ i + 1);
1539 } 2271 }
… …
1541 2273
1542#if EV_ASYNC_ENABLE 2274#if EV_ASYNC_ENABLE
1543 if (async_pending) 2275 if (async_pending)
1544 { 2276 {
1545 async_pending = 0; 2277 async_pending = 0;
2278
2279 ECB_MEMORY_FENCE;
1546 2280
1547 for (i = asynccnt; i--; ) 2281 for (i = asynccnt; i--; )
1548 if (asyncs [i]->sent) 2282 if (asyncs [i]->sent)
1549 { 2283 {
1550 asyncs [i]->sent = 0; 2284 asyncs [i]->sent = 0;
2285 ECB_MEMORY_FENCE_RELEASE;
1551 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 2286 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1552 } 2287 }
1553 } 2288 }
1554#endif 2289#endif
1555} 2290}
1556 2291
1557/*****************************************************************************/ 2292/*****************************************************************************/
1558 2293
1559void 2294void
1560ev_feed_signal (int signum) 2295ev_feed_signal (int signum) EV_THROW
1561{ 2296{
1562#if EV_MULTIPLICITY 2297#if EV_MULTIPLICITY
2298 EV_P;
2299 ECB_MEMORY_FENCE_ACQUIRE;
1563 EV_P = signals [signum - 1].loop; 2300 EV_A = signals [signum - 1].loop;
1564 2301
1565 if (!EV_A) 2302 if (!EV_A)
1566 return; 2303 return;
1567#endif 2304#endif
1568 2305
1569 if (!ev_active (&pipe_w))
1570 return;
1571
1572 signals [signum - 1].pending = 1; 2306 signals [signum - 1].pending = 1;
1573 evpipe_write (EV_A_ &sig_pending); 2307 evpipe_write (EV_A_ &sig_pending);
1574} 2308}
1575 2309
1576static void 2310static void
… …
1582 2316
1583 ev_feed_signal (signum); 2317 ev_feed_signal (signum);
1584} 2318}
1585 2319
1586void noinline 2320void noinline
1587ev_feed_signal_event (EV_P_ int signum) 2321ev_feed_signal_event (EV_P_ int signum) EV_THROW
1588{ 2322{
1589 WL w; 2323 WL w;
1590 2324
1591 if (expect_false (signum <= 0 || signum > EV_NSIG)) 2325 if (expect_false (signum <= 0 || signum >= EV_NSIG))
1592 return; 2326 return;
1593 2327
1594 --signum; 2328 --signum;
1595 2329
1596#if EV_MULTIPLICITY 2330#if EV_MULTIPLICITY
… …
1600 if (expect_false (signals [signum].loop != EV_A)) 2334 if (expect_false (signals [signum].loop != EV_A))
1601 return; 2335 return;
1602#endif 2336#endif
1603 2337
1604 signals [signum].pending = 0; 2338 signals [signum].pending = 0;
2339 ECB_MEMORY_FENCE_RELEASE;
1605 2340
1606 for (w = signals [signum].head; w; w = w->next) 2341 for (w = signals [signum].head; w; w = w->next)
1607 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2342 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1608} 2343}
1609 2344
… …
1708#if EV_USE_SELECT 2443#if EV_USE_SELECT
1709# include "ev_select.c" 2444# include "ev_select.c"
1710#endif 2445#endif
1711 2446
1712int ecb_cold 2447int ecb_cold
1713ev_version_major (void) 2448ev_version_major (void) EV_THROW
1714{ 2449{
1715 return EV_VERSION_MAJOR; 2450 return EV_VERSION_MAJOR;
1716} 2451}
1717 2452
1718int ecb_cold 2453int ecb_cold
1719ev_version_minor (void) 2454ev_version_minor (void) EV_THROW
1720{ 2455{
1721 return EV_VERSION_MINOR; 2456 return EV_VERSION_MINOR;
1722} 2457}
1723 2458
1724/* return true if we are running with elevated privileges and should ignore env variables */ 2459/* return true if we are running with elevated privileges and should ignore env variables */
… …
1732 || getgid () != getegid (); 2467 || getgid () != getegid ();
1733#endif 2468#endif
1734} 2469}
1735 2470
1736unsigned int ecb_cold 2471unsigned int ecb_cold
1737ev_supported_backends (void) 2472ev_supported_backends (void) EV_THROW
1738{ 2473{
1739 unsigned int flags = 0; 2474 unsigned int flags = 0;
1740 2475
1741 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2476 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1742 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2477 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
1746 2481
1747 return flags; 2482 return flags;
1748} 2483}
1749 2484
1750unsigned int ecb_cold 2485unsigned int ecb_cold
1751ev_recommended_backends (void) 2486ev_recommended_backends (void) EV_THROW
1752{ 2487{
1753 unsigned int flags = ev_supported_backends (); 2488 unsigned int flags = ev_supported_backends ();
1754 2489
1755#ifndef __NetBSD__ 2490#ifndef __NetBSD__
1756 /* kqueue is borked on everything but netbsd apparently */ 2491 /* kqueue is borked on everything but netbsd apparently */
… …
1768 2503
1769 return flags; 2504 return flags;
1770} 2505}
1771 2506
1772unsigned int ecb_cold 2507unsigned int ecb_cold
1773ev_embeddable_backends (void) 2508ev_embeddable_backends (void) EV_THROW
1774{ 2509{
1775 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2510 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1776 2511
1777 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2512 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1778 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2513 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
1780 2515
1781 return flags; 2516 return flags;
1782} 2517}
1783 2518
1784unsigned int 2519unsigned int
1785ev_backend (EV_P) 2520ev_backend (EV_P) EV_THROW
1786{ 2521{
1787 return backend; 2522 return backend;
1788} 2523}
1789 2524
1790#if EV_FEATURE_API 2525#if EV_FEATURE_API
1791unsigned int 2526unsigned int
1792ev_iteration (EV_P) 2527ev_iteration (EV_P) EV_THROW
1793{ 2528{
1794 return loop_count; 2529 return loop_count;
1795} 2530}
1796 2531
1797unsigned int 2532unsigned int
1798ev_depth (EV_P) 2533ev_depth (EV_P) EV_THROW
1799{ 2534{
1800 return loop_depth; 2535 return loop_depth;
1801} 2536}
1802 2537
1803void 2538void
1804ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2539ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1805{ 2540{
1806 io_blocktime = interval; 2541 io_blocktime = interval;
1807} 2542}
1808 2543
1809void 2544void
1810ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2545ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1811{ 2546{
1812 timeout_blocktime = interval; 2547 timeout_blocktime = interval;
1813} 2548}
1814 2549
1815void 2550void
1816ev_set_userdata (EV_P_ void *data) 2551ev_set_userdata (EV_P_ void *data) EV_THROW
1817{ 2552{
1818 userdata = data; 2553 userdata = data;
1819} 2554}
1820 2555
1821void * 2556void *
1822ev_userdata (EV_P) 2557ev_userdata (EV_P) EV_THROW
1823{ 2558{
1824 return userdata; 2559 return userdata;
1825} 2560}
1826 2561
1827void 2562void
1828ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2563ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
1829{ 2564{
1830 invoke_cb = invoke_pending_cb; 2565 invoke_cb = invoke_pending_cb;
1831} 2566}
1832 2567
1833void 2568void
1834ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2569ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW
1835{ 2570{
1836 release_cb = release; 2571 release_cb = release;
1837 acquire_cb = acquire; 2572 acquire_cb = acquire;
1838} 2573}
1839#endif 2574#endif
1840 2575
1841/* initialise a loop structure, must be zero-initialised */ 2576/* initialise a loop structure, must be zero-initialised */
1842static void noinline ecb_cold 2577static void noinline ecb_cold
1843loop_init (EV_P_ unsigned int flags) 2578loop_init (EV_P_ unsigned int flags) EV_THROW
1844{ 2579{
1845 if (!backend) 2580 if (!backend)
1846 { 2581 {
1847 origflags = flags; 2582 origflags = flags;
1848 2583
… …
1893#if EV_ASYNC_ENABLE 2628#if EV_ASYNC_ENABLE
1894 async_pending = 0; 2629 async_pending = 0;
1895#endif 2630#endif
1896 pipe_write_skipped = 0; 2631 pipe_write_skipped = 0;
1897 pipe_write_wanted = 0; 2632 pipe_write_wanted = 0;
2633 evpipe [0] = -1;
2634 evpipe [1] = -1;
1898#if EV_USE_INOTIFY 2635#if EV_USE_INOTIFY
1899 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 2636 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1900#endif 2637#endif
1901#if EV_USE_SIGNALFD 2638#if EV_USE_SIGNALFD
1902 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 2639 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
… …
1953 EV_INVOKE_PENDING; 2690 EV_INVOKE_PENDING;
1954 } 2691 }
1955#endif 2692#endif
1956 2693
1957#if EV_CHILD_ENABLE 2694#if EV_CHILD_ENABLE
1958 if (ev_is_active (&childev)) 2695 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1959 { 2696 {
1960 ev_ref (EV_A); /* child watcher */ 2697 ev_ref (EV_A); /* child watcher */
1961 ev_signal_stop (EV_A_ &childev); 2698 ev_signal_stop (EV_A_ &childev);
1962 } 2699 }
1963#endif 2700#endif
… …
1965 if (ev_is_active (&pipe_w)) 2702 if (ev_is_active (&pipe_w))
1966 { 2703 {
1967 /*ev_ref (EV_A);*/ 2704 /*ev_ref (EV_A);*/
1968 /*ev_io_stop (EV_A_ &pipe_w);*/ 2705 /*ev_io_stop (EV_A_ &pipe_w);*/
1969 2706
1970#if EV_USE_EVENTFD
1971 if (evfd >= 0)
1972 close (evfd);
1973#endif
1974
1975 if (evpipe [0] >= 0)
1976 {
1977 EV_WIN32_CLOSE_FD (evpipe [0]); 2707 if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1978 EV_WIN32_CLOSE_FD (evpipe [1]); 2708 if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1979 }
1980 } 2709 }
1981 2710
1982#if EV_USE_SIGNALFD 2711#if EV_USE_SIGNALFD
1983 if (ev_is_active (&sigfd_w)) 2712 if (ev_is_active (&sigfd_w))
1984 close (sigfd); 2713 close (sigfd);
… …
2070#endif 2799#endif
2071#if EV_USE_INOTIFY 2800#if EV_USE_INOTIFY
2072 infy_fork (EV_A); 2801 infy_fork (EV_A);
2073#endif 2802#endif
2074 2803
2804#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2075 if (ev_is_active (&pipe_w)) 2805 if (ev_is_active (&pipe_w))
2076 { 2806 {
2077 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ 2807 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2078 2808
2079 ev_ref (EV_A); 2809 ev_ref (EV_A);
2080 ev_io_stop (EV_A_ &pipe_w); 2810 ev_io_stop (EV_A_ &pipe_w);
2081 2811
2082#if EV_USE_EVENTFD
2083 if (evfd >= 0)
2084 close (evfd);
2085#endif
2086
2087 if (evpipe [0] >= 0) 2812 if (evpipe [0] >= 0)
2088 {
2089 EV_WIN32_CLOSE_FD (evpipe [0]); 2813 EV_WIN32_CLOSE_FD (evpipe [0]);
2090 EV_WIN32_CLOSE_FD (evpipe [1]);
2091 }
2092 2814
2093#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2094 evpipe_init (EV_A); 2815 evpipe_init (EV_A);
2095 /* now iterate over everything, in case we missed something */ 2816 /* iterate over everything, in case we missed something before */
2096 pipecb (EV_A_ &pipe_w, EV_READ); 2817 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2097#endif
2098 } 2818 }
2819#endif
2099 2820
2100 postfork = 0; 2821 postfork = 0;
2101} 2822}
2102 2823
2103#if EV_MULTIPLICITY 2824#if EV_MULTIPLICITY
2104 2825
2105struct ev_loop * ecb_cold 2826struct ev_loop * ecb_cold
2106ev_loop_new (unsigned int flags) 2827ev_loop_new (unsigned int flags) EV_THROW
2107{ 2828{
2108 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2829 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2109 2830
2110 memset (EV_A, 0, sizeof (struct ev_loop)); 2831 memset (EV_A, 0, sizeof (struct ev_loop));
2111 loop_init (EV_A_ flags); 2832 loop_init (EV_A_ flags);
… …
2155} 2876}
2156#endif 2877#endif
2157 2878
2158#if EV_FEATURE_API 2879#if EV_FEATURE_API
2159void ecb_cold 2880void ecb_cold
2160ev_verify (EV_P) 2881ev_verify (EV_P) EV_THROW
2161{ 2882{
2162#if EV_VERIFY 2883#if EV_VERIFY
2163 int i; 2884 int i;
2164 WL w; 2885 WL w, w2;
2165 2886
2166 assert (activecnt >= -1); 2887 assert (activecnt >= -1);
2167 2888
2168 assert (fdchangemax >= fdchangecnt); 2889 assert (fdchangemax >= fdchangecnt);
2169 for (i = 0; i < fdchangecnt; ++i) 2890 for (i = 0; i < fdchangecnt; ++i)
2170 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2891 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2171 2892
2172 assert (anfdmax >= 0); 2893 assert (anfdmax >= 0);
2173 for (i = 0; i < anfdmax; ++i) 2894 for (i = 0; i < anfdmax; ++i)
2895 {
2896 int j = 0;
2897
2174 for (w = anfds [i].head; w; w = w->next) 2898 for (w = w2 = anfds [i].head; w; w = w->next)
2175 { 2899 {
2176 verify_watcher (EV_A_ (W)w); 2900 verify_watcher (EV_A_ (W)w);
2901
2902 if (j++ & 1)
2903 {
2904 assert (("libev: io watcher list contains a loop", w != w2));
2905 w2 = w2->next;
2906 }
2907
2177 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2908 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2178 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2909 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2179 } 2910 }
2911 }
2180 2912
2181 assert (timermax >= timercnt); 2913 assert (timermax >= timercnt);
2182 verify_heap (EV_A_ timers, timercnt); 2914 verify_heap (EV_A_ timers, timercnt);
2183 2915
2184#if EV_PERIODIC_ENABLE 2916#if EV_PERIODIC_ENABLE
… …
2234#if EV_MULTIPLICITY 2966#if EV_MULTIPLICITY
2235struct ev_loop * ecb_cold 2967struct ev_loop * ecb_cold
2236#else 2968#else
2237int 2969int
2238#endif 2970#endif
2239ev_default_loop (unsigned int flags) 2971ev_default_loop (unsigned int flags) EV_THROW
2240{ 2972{
2241 if (!ev_default_loop_ptr) 2973 if (!ev_default_loop_ptr)
2242 { 2974 {
2243#if EV_MULTIPLICITY 2975#if EV_MULTIPLICITY
2244 EV_P = ev_default_loop_ptr = &default_loop_struct; 2976 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2263 2995
2264 return ev_default_loop_ptr; 2996 return ev_default_loop_ptr;
2265} 2997}
2266 2998
2267void 2999void
2268ev_loop_fork (EV_P) 3000ev_loop_fork (EV_P) EV_THROW
2269{ 3001{
2270 postfork = 1; /* must be in line with ev_default_fork */ 3002 postfork = 1;
2271} 3003}
2272 3004
2273/*****************************************************************************/ 3005/*****************************************************************************/
2274 3006
2275void 3007void
… …
2277{ 3009{
2278 EV_CB_INVOKE ((W)w, revents); 3010 EV_CB_INVOKE ((W)w, revents);
2279} 3011}
2280 3012
2281unsigned int 3013unsigned int
2282ev_pending_count (EV_P) 3014ev_pending_count (EV_P) EV_THROW
2283{ 3015{
2284 int pri; 3016 int pri;
2285 unsigned int count = 0; 3017 unsigned int count = 0;
2286 3018
2287 for (pri = NUMPRI; pri--; ) 3019 for (pri = NUMPRI; pri--; )
… …
2291} 3023}
2292 3024
2293void noinline 3025void noinline
2294ev_invoke_pending (EV_P) 3026ev_invoke_pending (EV_P)
2295{ 3027{
2296 int pri; 3028 pendingpri = NUMPRI;
2297 3029
2298 for (pri = NUMPRI; pri--; ) 3030 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
3031 {
3032 --pendingpri;
3033
2299 while (pendingcnt [pri]) 3034 while (pendingcnt [pendingpri])
2300 { 3035 {
2301 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 3036 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2302 3037
2303 p->w->pending = 0; 3038 p->w->pending = 0;
2304 EV_CB_INVOKE (p->w, p->events); 3039 EV_CB_INVOKE (p->w, p->events);
2305 EV_FREQUENT_CHECK; 3040 EV_FREQUENT_CHECK;
2306 } 3041 }
3042 }
2307} 3043}
2308 3044
2309#if EV_IDLE_ENABLE 3045#if EV_IDLE_ENABLE
2310/* make idle watchers pending. this handles the "call-idle */ 3046/* make idle watchers pending. this handles the "call-idle */
2311/* only when higher priorities are idle" logic */ 3047/* only when higher priorities are idle" logic */
… …
2401{ 3137{
2402 EV_FREQUENT_CHECK; 3138 EV_FREQUENT_CHECK;
2403 3139
2404 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 3140 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2405 { 3141 {
2406 int feed_count = 0;
2407
2408 do 3142 do
2409 { 3143 {
2410 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 3144 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2411 3145
2412 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ 3146 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
… …
2546 3280
2547 mn_now = ev_rt_now; 3281 mn_now = ev_rt_now;
2548 } 3282 }
2549} 3283}
2550 3284
2551void 3285int
2552ev_run (EV_P_ int flags) 3286ev_run (EV_P_ int flags)
2553{ 3287{
2554#if EV_FEATURE_API 3288#if EV_FEATURE_API
2555 ++loop_depth; 3289 ++loop_depth;
2556#endif 3290#endif
… …
2617 time_update (EV_A_ 1e100); 3351 time_update (EV_A_ 1e100);
2618 3352
2619 /* from now on, we want a pipe-wake-up */ 3353 /* from now on, we want a pipe-wake-up */
2620 pipe_write_wanted = 1; 3354 pipe_write_wanted = 1;
2621 3355
2622 ECB_MEMORY_FENCE; /* amke sure pipe_write_wanted is visible before we check for potential skips */ 3356 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2623 3357
2624 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 3358 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2625 { 3359 {
2626 waittime = MAX_BLOCKTIME; 3360 waittime = MAX_BLOCKTIME;
2627 3361
… …
2669#endif 3403#endif
2670 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3404 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2671 backend_poll (EV_A_ waittime); 3405 backend_poll (EV_A_ waittime);
2672 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3406 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2673 3407
2674 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ 3408 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2675 3409
3410 ECB_MEMORY_FENCE_ACQUIRE;
2676 if (pipe_write_skipped) 3411 if (pipe_write_skipped)
2677 { 3412 {
2678 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3413 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2679 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3414 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2680 } 3415 }
… …
2713 loop_done = EVBREAK_CANCEL; 3448 loop_done = EVBREAK_CANCEL;
2714 3449
2715#if EV_FEATURE_API 3450#if EV_FEATURE_API
2716 --loop_depth; 3451 --loop_depth;
2717#endif 3452#endif
3453
3454 return activecnt;
2718} 3455}
2719 3456
2720void 3457void
2721ev_break (EV_P_ int how) 3458ev_break (EV_P_ int how) EV_THROW
2722{ 3459{
2723 loop_done = how; 3460 loop_done = how;
2724} 3461}
2725 3462
2726void 3463void
2727ev_ref (EV_P) 3464ev_ref (EV_P) EV_THROW
2728{ 3465{
2729 ++activecnt; 3466 ++activecnt;
2730} 3467}
2731 3468
2732void 3469void
2733ev_unref (EV_P) 3470ev_unref (EV_P) EV_THROW
2734{ 3471{
2735 --activecnt; 3472 --activecnt;
2736} 3473}
2737 3474
2738void 3475void
2739ev_now_update (EV_P) 3476ev_now_update (EV_P) EV_THROW
2740{ 3477{
2741 time_update (EV_A_ 1e100); 3478 time_update (EV_A_ 1e100);
2742} 3479}
2743 3480
2744void 3481void
2745ev_suspend (EV_P) 3482ev_suspend (EV_P) EV_THROW
2746{ 3483{
2747 ev_now_update (EV_A); 3484 ev_now_update (EV_A);
2748} 3485}
2749 3486
2750void 3487void
2751ev_resume (EV_P) 3488ev_resume (EV_P) EV_THROW
2752{ 3489{
2753 ev_tstamp mn_prev = mn_now; 3490 ev_tstamp mn_prev = mn_now;
2754 3491
2755 ev_now_update (EV_A); 3492 ev_now_update (EV_A);
2756 timers_reschedule (EV_A_ mn_now - mn_prev); 3493 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
2795 w->pending = 0; 3532 w->pending = 0;
2796 } 3533 }
2797} 3534}
2798 3535
2799int 3536int
2800ev_clear_pending (EV_P_ void *w) 3537ev_clear_pending (EV_P_ void *w) EV_THROW
2801{ 3538{
2802 W w_ = (W)w; 3539 W w_ = (W)w;
2803 int pending = w_->pending; 3540 int pending = w_->pending;
2804 3541
2805 if (expect_true (pending)) 3542 if (expect_true (pending))
… …
2838} 3575}
2839 3576
2840/*****************************************************************************/ 3577/*****************************************************************************/
2841 3578
2842void noinline 3579void noinline
2843ev_io_start (EV_P_ ev_io *w) 3580ev_io_start (EV_P_ ev_io *w) EV_THROW
2844{ 3581{
2845 int fd = w->fd; 3582 int fd = w->fd;
2846 3583
2847 if (expect_false (ev_is_active (w))) 3584 if (expect_false (ev_is_active (w)))
2848 return; 3585 return;
… …
2854 3591
2855 ev_start (EV_A_ (W)w, 1); 3592 ev_start (EV_A_ (W)w, 1);
2856 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3593 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2857 wlist_add (&anfds[fd].head, (WL)w); 3594 wlist_add (&anfds[fd].head, (WL)w);
2858 3595
3596 /* common bug, apparently */
3597 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3598
2859 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3599 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2860 w->events &= ~EV__IOFDSET; 3600 w->events &= ~EV__IOFDSET;
2861 3601
2862 EV_FREQUENT_CHECK; 3602 EV_FREQUENT_CHECK;
2863} 3603}
2864 3604
2865void noinline 3605void noinline
2866ev_io_stop (EV_P_ ev_io *w) 3606ev_io_stop (EV_P_ ev_io *w) EV_THROW
2867{ 3607{
2868 clear_pending (EV_A_ (W)w); 3608 clear_pending (EV_A_ (W)w);
2869 if (expect_false (!ev_is_active (w))) 3609 if (expect_false (!ev_is_active (w)))
2870 return; 3610 return;
2871 3611
… …
2880 3620
2881 EV_FREQUENT_CHECK; 3621 EV_FREQUENT_CHECK;
2882} 3622}
2883 3623
2884void noinline 3624void noinline
2885ev_timer_start (EV_P_ ev_timer *w) 3625ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2886{ 3626{
2887 if (expect_false (ev_is_active (w))) 3627 if (expect_false (ev_is_active (w)))
2888 return; 3628 return;
2889 3629
2890 ev_at (w) += mn_now; 3630 ev_at (w) += mn_now;
… …
2904 3644
2905 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3645 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2906} 3646}
2907 3647
2908void noinline 3648void noinline
2909ev_timer_stop (EV_P_ ev_timer *w) 3649ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2910{ 3650{
2911 clear_pending (EV_A_ (W)w); 3651 clear_pending (EV_A_ (W)w);
2912 if (expect_false (!ev_is_active (w))) 3652 if (expect_false (!ev_is_active (w)))
2913 return; 3653 return;
2914 3654
… …
2934 3674
2935 EV_FREQUENT_CHECK; 3675 EV_FREQUENT_CHECK;
2936} 3676}
2937 3677
2938void noinline 3678void noinline
2939ev_timer_again (EV_P_ ev_timer *w) 3679ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2940{ 3680{
2941 EV_FREQUENT_CHECK; 3681 EV_FREQUENT_CHECK;
3682
3683 clear_pending (EV_A_ (W)w);
2942 3684
2943 if (ev_is_active (w)) 3685 if (ev_is_active (w))
2944 { 3686 {
2945 if (w->repeat) 3687 if (w->repeat)
2946 { 3688 {
… …
2959 3701
2960 EV_FREQUENT_CHECK; 3702 EV_FREQUENT_CHECK;
2961} 3703}
2962 3704
2963ev_tstamp 3705ev_tstamp
2964ev_timer_remaining (EV_P_ ev_timer *w) 3706ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2965{ 3707{
2966 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3708 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2967} 3709}
2968 3710
2969#if EV_PERIODIC_ENABLE 3711#if EV_PERIODIC_ENABLE
2970void noinline 3712void noinline
2971ev_periodic_start (EV_P_ ev_periodic *w) 3713ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2972{ 3714{
2973 if (expect_false (ev_is_active (w))) 3715 if (expect_false (ev_is_active (w)))
2974 return; 3716 return;
2975 3717
2976 if (w->reschedule_cb) 3718 if (w->reschedule_cb)
… …
2996 3738
2997 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3739 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2998} 3740}
2999 3741
3000void noinline 3742void noinline
3001ev_periodic_stop (EV_P_ ev_periodic *w) 3743ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3002{ 3744{
3003 clear_pending (EV_A_ (W)w); 3745 clear_pending (EV_A_ (W)w);
3004 if (expect_false (!ev_is_active (w))) 3746 if (expect_false (!ev_is_active (w)))
3005 return; 3747 return;
3006 3748
… …
3024 3766
3025 EV_FREQUENT_CHECK; 3767 EV_FREQUENT_CHECK;
3026} 3768}
3027 3769
3028void noinline 3770void noinline
3029ev_periodic_again (EV_P_ ev_periodic *w) 3771ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3030{ 3772{
3031 /* TODO: use adjustheap and recalculation */ 3773 /* TODO: use adjustheap and recalculation */
3032 ev_periodic_stop (EV_A_ w); 3774 ev_periodic_stop (EV_A_ w);
3033 ev_periodic_start (EV_A_ w); 3775 ev_periodic_start (EV_A_ w);
3034} 3776}
… …
3039#endif 3781#endif
3040 3782
3041#if EV_SIGNAL_ENABLE 3783#if EV_SIGNAL_ENABLE
3042 3784
3043void noinline 3785void noinline
3044ev_signal_start (EV_P_ ev_signal *w) 3786ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3045{ 3787{
3046 if (expect_false (ev_is_active (w))) 3788 if (expect_false (ev_is_active (w)))
3047 return; 3789 return;
3048 3790
3049 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3791 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3051#if EV_MULTIPLICITY 3793#if EV_MULTIPLICITY
3052 assert (("libev: a signal must not be attached to two different loops", 3794 assert (("libev: a signal must not be attached to two different loops",
3053 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); 3795 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3054 3796
3055 signals [w->signum - 1].loop = EV_A; 3797 signals [w->signum - 1].loop = EV_A;
3798 ECB_MEMORY_FENCE_RELEASE;
3056#endif 3799#endif
3057 3800
3058 EV_FREQUENT_CHECK; 3801 EV_FREQUENT_CHECK;
3059 3802
3060#if EV_USE_SIGNALFD 3803#if EV_USE_SIGNALFD
… …
3120 3863
3121 EV_FREQUENT_CHECK; 3864 EV_FREQUENT_CHECK;
3122} 3865}
3123 3866
3124void noinline 3867void noinline
3125ev_signal_stop (EV_P_ ev_signal *w) 3868ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3126{ 3869{
3127 clear_pending (EV_A_ (W)w); 3870 clear_pending (EV_A_ (W)w);
3128 if (expect_false (!ev_is_active (w))) 3871 if (expect_false (!ev_is_active (w)))
3129 return; 3872 return;
3130 3873
… …
3161#endif 3904#endif
3162 3905
3163#if EV_CHILD_ENABLE 3906#if EV_CHILD_ENABLE
3164 3907
3165void 3908void
3166ev_child_start (EV_P_ ev_child *w) 3909ev_child_start (EV_P_ ev_child *w) EV_THROW
3167{ 3910{
3168#if EV_MULTIPLICITY 3911#if EV_MULTIPLICITY
3169 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3912 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3170#endif 3913#endif
3171 if (expect_false (ev_is_active (w))) 3914 if (expect_false (ev_is_active (w)))
… …
3178 3921
3179 EV_FREQUENT_CHECK; 3922 EV_FREQUENT_CHECK;
3180} 3923}
3181 3924
3182void 3925void
3183ev_child_stop (EV_P_ ev_child *w) 3926ev_child_stop (EV_P_ ev_child *w) EV_THROW
3184{ 3927{
3185 clear_pending (EV_A_ (W)w); 3928 clear_pending (EV_A_ (W)w);
3186 if (expect_false (!ev_is_active (w))) 3929 if (expect_false (!ev_is_active (w)))
3187 return; 3930 return;
3188 3931
… …
3215# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 3958# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3216 3959
3217static void noinline 3960static void noinline
3218infy_add (EV_P_ ev_stat *w) 3961infy_add (EV_P_ ev_stat *w)
3219{ 3962{
3220 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); 3963 w->wd = inotify_add_watch (fs_fd, w->path,
3964 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3965 | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
3966 | IN_DONT_FOLLOW | IN_MASK_ADD);
3221 3967
3222 if (w->wd >= 0) 3968 if (w->wd >= 0)
3223 { 3969 {
3224 struct statfs sfs; 3970 struct statfs sfs;
3225 3971
… …
3229 3975
3230 if (!fs_2625) 3976 if (!fs_2625)
3231 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; 3977 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3232 else if (!statfs (w->path, &sfs) 3978 else if (!statfs (w->path, &sfs)
3233 && (sfs.f_type == 0x1373 /* devfs */ 3979 && (sfs.f_type == 0x1373 /* devfs */
3980 || sfs.f_type == 0x4006 /* fat */
3981 || sfs.f_type == 0x4d44 /* msdos */
3234 || sfs.f_type == 0xEF53 /* ext2/3 */ 3982 || sfs.f_type == 0xEF53 /* ext2/3 */
3983 || sfs.f_type == 0x72b6 /* jffs2 */
3984 || sfs.f_type == 0x858458f6 /* ramfs */
3985 || sfs.f_type == 0x5346544e /* ntfs */
3235 || sfs.f_type == 0x3153464a /* jfs */ 3986 || sfs.f_type == 0x3153464a /* jfs */
3987 || sfs.f_type == 0x9123683e /* btrfs */
3236 || sfs.f_type == 0x52654973 /* reiser3 */ 3988 || sfs.f_type == 0x52654973 /* reiser3 */
3237 || sfs.f_type == 0x01021994 /* tempfs */ 3989 || sfs.f_type == 0x01021994 /* tmpfs */
3238 || sfs.f_type == 0x58465342 /* xfs */)) 3990 || sfs.f_type == 0x58465342 /* xfs */))
3239 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ 3991 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3240 else 3992 else
3241 w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ 3993 w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3242 } 3994 }
… …
3355} 4107}
3356 4108
3357inline_size int 4109inline_size int
3358infy_newfd (void) 4110infy_newfd (void)
3359{ 4111{
3360#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 4112#if defined IN_CLOEXEC && defined IN_NONBLOCK
3361 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 4113 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3362 if (fd >= 0) 4114 if (fd >= 0)
3363 return fd; 4115 return fd;
3364#endif 4116#endif
3365 return inotify_init (); 4117 return inotify_init ();
… …
3440#else 4192#else
3441# define EV_LSTAT(p,b) lstat (p, b) 4193# define EV_LSTAT(p,b) lstat (p, b)
3442#endif 4194#endif
3443 4195
3444void 4196void
3445ev_stat_stat (EV_P_ ev_stat *w) 4197ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3446{ 4198{
3447 if (lstat (w->path, &w->attr) < 0) 4199 if (lstat (w->path, &w->attr) < 0)
3448 w->attr.st_nlink = 0; 4200 w->attr.st_nlink = 0;
3449 else if (!w->attr.st_nlink) 4201 else if (!w->attr.st_nlink)
3450 w->attr.st_nlink = 1; 4202 w->attr.st_nlink = 1;
… …
3489 ev_feed_event (EV_A_ w, EV_STAT); 4241 ev_feed_event (EV_A_ w, EV_STAT);
3490 } 4242 }
3491} 4243}
3492 4244
3493void 4245void
3494ev_stat_start (EV_P_ ev_stat *w) 4246ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3495{ 4247{
3496 if (expect_false (ev_is_active (w))) 4248 if (expect_false (ev_is_active (w)))
3497 return; 4249 return;
3498 4250
3499 ev_stat_stat (EV_A_ w); 4251 ev_stat_stat (EV_A_ w);
… …
3520 4272
3521 EV_FREQUENT_CHECK; 4273 EV_FREQUENT_CHECK;
3522} 4274}
3523 4275
3524void 4276void
3525ev_stat_stop (EV_P_ ev_stat *w) 4277ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3526{ 4278{
3527 clear_pending (EV_A_ (W)w); 4279 clear_pending (EV_A_ (W)w);
3528 if (expect_false (!ev_is_active (w))) 4280 if (expect_false (!ev_is_active (w)))
3529 return; 4281 return;
3530 4282
… …
3546} 4298}
3547#endif 4299#endif
3548 4300
3549#if EV_IDLE_ENABLE 4301#if EV_IDLE_ENABLE
3550void 4302void
3551ev_idle_start (EV_P_ ev_idle *w) 4303ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3552{ 4304{
3553 if (expect_false (ev_is_active (w))) 4305 if (expect_false (ev_is_active (w)))
3554 return; 4306 return;
3555 4307
3556 pri_adjust (EV_A_ (W)w); 4308 pri_adjust (EV_A_ (W)w);
… …
3569 4321
3570 EV_FREQUENT_CHECK; 4322 EV_FREQUENT_CHECK;
3571} 4323}
3572 4324
3573void 4325void
3574ev_idle_stop (EV_P_ ev_idle *w) 4326ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3575{ 4327{
3576 clear_pending (EV_A_ (W)w); 4328 clear_pending (EV_A_ (W)w);
3577 if (expect_false (!ev_is_active (w))) 4329 if (expect_false (!ev_is_active (w)))
3578 return; 4330 return;
3579 4331
… …
3593} 4345}
3594#endif 4346#endif
3595 4347
3596#if EV_PREPARE_ENABLE 4348#if EV_PREPARE_ENABLE
3597void 4349void
3598ev_prepare_start (EV_P_ ev_prepare *w) 4350ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3599{ 4351{
3600 if (expect_false (ev_is_active (w))) 4352 if (expect_false (ev_is_active (w)))
3601 return; 4353 return;
3602 4354
3603 EV_FREQUENT_CHECK; 4355 EV_FREQUENT_CHECK;
… …
3608 4360
3609 EV_FREQUENT_CHECK; 4361 EV_FREQUENT_CHECK;
3610} 4362}
3611 4363
3612void 4364void
3613ev_prepare_stop (EV_P_ ev_prepare *w) 4365ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3614{ 4366{
3615 clear_pending (EV_A_ (W)w); 4367 clear_pending (EV_A_ (W)w);
3616 if (expect_false (!ev_is_active (w))) 4368 if (expect_false (!ev_is_active (w)))
3617 return; 4369 return;
3618 4370
… …
3631} 4383}
3632#endif 4384#endif
3633 4385
3634#if EV_CHECK_ENABLE 4386#if EV_CHECK_ENABLE
3635void 4387void
3636ev_check_start (EV_P_ ev_check *w) 4388ev_check_start (EV_P_ ev_check *w) EV_THROW
3637{ 4389{
3638 if (expect_false (ev_is_active (w))) 4390 if (expect_false (ev_is_active (w)))
3639 return; 4391 return;
3640 4392
3641 EV_FREQUENT_CHECK; 4393 EV_FREQUENT_CHECK;
… …
3646 4398
3647 EV_FREQUENT_CHECK; 4399 EV_FREQUENT_CHECK;
3648} 4400}
3649 4401
3650void 4402void
3651ev_check_stop (EV_P_ ev_check *w) 4403ev_check_stop (EV_P_ ev_check *w) EV_THROW
3652{ 4404{
3653 clear_pending (EV_A_ (W)w); 4405 clear_pending (EV_A_ (W)w);
3654 if (expect_false (!ev_is_active (w))) 4406 if (expect_false (!ev_is_active (w)))
3655 return; 4407 return;
3656 4408
… …
3669} 4421}
3670#endif 4422#endif
3671 4423
3672#if EV_EMBED_ENABLE 4424#if EV_EMBED_ENABLE
3673void noinline 4425void noinline
3674ev_embed_sweep (EV_P_ ev_embed *w) 4426ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3675{ 4427{
3676 ev_run (w->other, EVRUN_NOWAIT); 4428 ev_run (w->other, EVRUN_NOWAIT);
3677} 4429}
3678 4430
3679static void 4431static void
… …
3727 ev_idle_stop (EV_A_ idle); 4479 ev_idle_stop (EV_A_ idle);
3728} 4480}
3729#endif 4481#endif
3730 4482
3731void 4483void
3732ev_embed_start (EV_P_ ev_embed *w) 4484ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3733{ 4485{
3734 if (expect_false (ev_is_active (w))) 4486 if (expect_false (ev_is_active (w)))
3735 return; 4487 return;
3736 4488
3737 { 4489 {
… …
3758 4510
3759 EV_FREQUENT_CHECK; 4511 EV_FREQUENT_CHECK;
3760} 4512}
3761 4513
3762void 4514void
3763ev_embed_stop (EV_P_ ev_embed *w) 4515ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3764{ 4516{
3765 clear_pending (EV_A_ (W)w); 4517 clear_pending (EV_A_ (W)w);
3766 if (expect_false (!ev_is_active (w))) 4518 if (expect_false (!ev_is_active (w)))
3767 return; 4519 return;
3768 4520
… …
3778} 4530}
3779#endif 4531#endif
3780 4532
3781#if EV_FORK_ENABLE 4533#if EV_FORK_ENABLE
3782void 4534void
3783ev_fork_start (EV_P_ ev_fork *w) 4535ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3784{ 4536{
3785 if (expect_false (ev_is_active (w))) 4537 if (expect_false (ev_is_active (w)))
3786 return; 4538 return;
3787 4539
3788 EV_FREQUENT_CHECK; 4540 EV_FREQUENT_CHECK;
… …
3793 4545
3794 EV_FREQUENT_CHECK; 4546 EV_FREQUENT_CHECK;
3795} 4547}
3796 4548
3797void 4549void
3798ev_fork_stop (EV_P_ ev_fork *w) 4550ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3799{ 4551{
3800 clear_pending (EV_A_ (W)w); 4552 clear_pending (EV_A_ (W)w);
3801 if (expect_false (!ev_is_active (w))) 4553 if (expect_false (!ev_is_active (w)))
3802 return; 4554 return;
3803 4555
… …
3816} 4568}
3817#endif 4569#endif
3818 4570
3819#if EV_CLEANUP_ENABLE 4571#if EV_CLEANUP_ENABLE
3820void 4572void
3821ev_cleanup_start (EV_P_ ev_cleanup *w) 4573ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3822{ 4574{
3823 if (expect_false (ev_is_active (w))) 4575 if (expect_false (ev_is_active (w)))
3824 return; 4576 return;
3825 4577
3826 EV_FREQUENT_CHECK; 4578 EV_FREQUENT_CHECK;
… …
3833 ev_unref (EV_A); 4585 ev_unref (EV_A);
3834 EV_FREQUENT_CHECK; 4586 EV_FREQUENT_CHECK;
3835} 4587}
3836 4588
3837void 4589void
3838ev_cleanup_stop (EV_P_ ev_cleanup *w) 4590ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3839{ 4591{
3840 clear_pending (EV_A_ (W)w); 4592 clear_pending (EV_A_ (W)w);
3841 if (expect_false (!ev_is_active (w))) 4593 if (expect_false (!ev_is_active (w)))
3842 return; 4594 return;
3843 4595
… …
3857} 4609}
3858#endif 4610#endif
3859 4611
3860#if EV_ASYNC_ENABLE 4612#if EV_ASYNC_ENABLE
3861void 4613void
3862ev_async_start (EV_P_ ev_async *w) 4614ev_async_start (EV_P_ ev_async *w) EV_THROW
3863{ 4615{
3864 if (expect_false (ev_is_active (w))) 4616 if (expect_false (ev_is_active (w)))
3865 return; 4617 return;
3866 4618
3867 w->sent = 0; 4619 w->sent = 0;
… …
3876 4628
3877 EV_FREQUENT_CHECK; 4629 EV_FREQUENT_CHECK;
3878} 4630}
3879 4631
3880void 4632void
3881ev_async_stop (EV_P_ ev_async *w) 4633ev_async_stop (EV_P_ ev_async *w) EV_THROW
3882{ 4634{
3883 clear_pending (EV_A_ (W)w); 4635 clear_pending (EV_A_ (W)w);
3884 if (expect_false (!ev_is_active (w))) 4636 if (expect_false (!ev_is_active (w)))
3885 return; 4637 return;
3886 4638
… …
3897 4649
3898 EV_FREQUENT_CHECK; 4650 EV_FREQUENT_CHECK;
3899} 4651}
3900 4652
3901void 4653void
3902ev_async_send (EV_P_ ev_async *w) 4654ev_async_send (EV_P_ ev_async *w) EV_THROW
3903{ 4655{
3904 w->sent = 1; 4656 w->sent = 1;
3905 evpipe_write (EV_A_ &async_pending); 4657 evpipe_write (EV_A_ &async_pending);
3906} 4658}
3907#endif 4659#endif
… …
3944 4696
3945 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4697 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3946} 4698}
3947 4699
3948void 4700void
3949ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4701ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3950{ 4702{
3951 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4703 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3952 4704
3953 if (expect_false (!once)) 4705 if (expect_false (!once))
3954 { 4706 {
… …
3976 4728
3977/*****************************************************************************/ 4729/*****************************************************************************/
3978 4730
3979#if EV_WALK_ENABLE 4731#if EV_WALK_ENABLE
3980void ecb_cold 4732void ecb_cold
3981ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4733ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3982{ 4734{
3983 int i, j; 4735 int i, j;
3984 ev_watcher_list *wl, *wn; 4736 ev_watcher_list *wl, *wn;
3985 4737
3986 if (types & (EV_IO | EV_EMBED)) 4738 if (types & (EV_IO | EV_EMBED))
… …
4029 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); 4781 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
4030#endif 4782#endif
4031 4783
4032#if EV_IDLE_ENABLE 4784#if EV_IDLE_ENABLE
4033 if (types & EV_IDLE) 4785 if (types & EV_IDLE)
4034 for (j = NUMPRI; i--; ) 4786 for (j = NUMPRI; j--; )
4035 for (i = idlecnt [j]; i--; ) 4787 for (i = idlecnt [j]; i--; )
4036 cb (EV_A_ EV_IDLE, idles [j][i]); 4788 cb (EV_A_ EV_IDLE, idles [j][i]);
4037#endif 4789#endif
4038 4790
4039#if EV_FORK_ENABLE 4791#if EV_FORK_ENABLE
… …
4092 4844
4093#if EV_MULTIPLICITY 4845#if EV_MULTIPLICITY
4094 #include "ev_wrap.h" 4846 #include "ev_wrap.h"
4095#endif 4847#endif
4096 4848
4097EV_CPP(})
4098

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