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Comparing libev/ev.c (file contents):
Revision 1.380 by root, Mon Jun 27 19:20:01 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
758#if ECB_GCC_VERSION(3,3)
759 #define ecb_restrict __restrict__
760#elif ECB_C99
761 #define ecb_restrict restrict
762#else
763 #define ecb_restrict
764#endif
765
766typedef int ecb_bool;
767
768#define ECB_CONCAT_(a, b) a ## b
769#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
770#define ECB_STRINGIFY_(a) # a
771#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
772
773#define ecb_function_ ecb_inline
774
497#if ECB_GCC_VERSION(3,1) 775#if ECB_GCC_VERSION(3,1)
498 #define ecb_attribute(attrlist) __attribute__(attrlist) 776 #define ecb_attribute(attrlist) __attribute__(attrlist)
499 #define ecb_is_constant(expr) __builtin_constant_p (expr) 777 #define ecb_is_constant(expr) __builtin_constant_p (expr)
500 #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) 778 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
501 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) 779 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
502#else 780#else
503 #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
504 #define ecb_is_constant(expr) 0 787 #define ecb_is_constant(expr) 0
505 #define ecb_expect(expr,value) (expr) 788 #define ecb_expect(expr,value) (expr)
506 #define ecb_prefetch(addr,rw,locality) 789 #define ecb_prefetch(addr,rw,locality)
507#endif 790#endif
508 791
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
509#define ecb_noinline ecb_attribute ((__noinline__)) 799#define ecb_noinline ecb_attribute ((__noinline__))
510#define ecb_noreturn ecb_attribute ((__noreturn__))
511#define ecb_unused ecb_attribute ((__unused__)) 800#define ecb_unused ecb_attribute ((__unused__))
512#define ecb_const ecb_attribute ((__const__)) 801#define ecb_const ecb_attribute ((__const__))
513#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
514 809
515#if ECB_GCC_VERSION(4,3) 810#if ECB_GCC_VERSION(4,3)
516 #define ecb_artificial ecb_attribute ((__artificial__)) 811 #define ecb_artificial ecb_attribute ((__artificial__))
517 #define ecb_hot ecb_attribute ((__hot__)) 812 #define ecb_hot ecb_attribute ((__hot__))
518 #define ecb_cold ecb_attribute ((__cold__)) 813 #define ecb_cold ecb_attribute ((__cold__))
… …
525/* put around conditional expressions if you are very sure that the */ 820/* put around conditional expressions if you are very sure that the */
526/* expression is mostly true or mostly false. note that these return */ 821/* expression is mostly true or mostly false. note that these return */
527/* booleans, not the expression. */ 822/* booleans, not the expression. */
528#define ecb_expect_false(expr) ecb_expect (!!(expr), 0) 823#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
529#define ecb_expect_true(expr) ecb_expect (!!(expr), 1) 824#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
530/* 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
531 1295
532#define expect_false(cond) ecb_expect_false (cond) 1296#define expect_false(cond) ecb_expect_false (cond)
533#define expect_true(cond) ecb_expect_true (cond) 1297#define expect_true(cond) ecb_expect_true (cond)
534#define noinline ecb_noinline 1298#define noinline ecb_noinline
535 1299
… …
681{ 1445{
682 write (STDERR_FILENO, msg, strlen (msg)); 1446 write (STDERR_FILENO, msg, strlen (msg));
683} 1447}
684#endif 1448#endif
685 1449
686static void (*syserr_cb)(const char *msg); 1450static void (*syserr_cb)(const char *msg) EV_THROW;
687 1451
688void ecb_cold 1452void ecb_cold
689ev_set_syserr_cb (void (*cb)(const char *msg)) 1453ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
690{ 1454{
691 syserr_cb = cb; 1455 syserr_cb = cb;
692} 1456}
693 1457
694static void noinline ecb_cold 1458static void noinline ecb_cold
… …
712 abort (); 1476 abort ();
713 } 1477 }
714} 1478}
715 1479
716static void * 1480static void *
717ev_realloc_emul (void *ptr, long size) 1481ev_realloc_emul (void *ptr, long size) EV_THROW
718{ 1482{
719#if __GLIBC__
720 return realloc (ptr, size);
721#else
722 /* some systems, notably openbsd and darwin, fail to properly 1483 /* some systems, notably openbsd and darwin, fail to properly
723 * 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
724 * 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.
725 */ 1488 */
726 1489
727 if (size) 1490 if (size)
728 return realloc (ptr, size); 1491 return realloc (ptr, size);
729 1492
730 free (ptr); 1493 free (ptr);
731 return 0; 1494 return 0;
732#endif
733} 1495}
734 1496
735static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1497static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
736 1498
737void ecb_cold 1499void ecb_cold
738ev_set_allocator (void *(*cb)(void *ptr, long size)) 1500ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
739{ 1501{
740 alloc = cb; 1502 alloc = cb;
741} 1503}
742 1504
743inline_speed void * 1505inline_speed void *
… …
831 #undef VAR 1593 #undef VAR
832 }; 1594 };
833 #include "ev_wrap.h" 1595 #include "ev_wrap.h"
834 1596
835 static struct ev_loop default_loop_struct; 1597 static struct ev_loop default_loop_struct;
836 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 */
837 1599
838#else 1600#else
839 1601
840 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 */
841 #define VAR(name,decl) static decl; 1603 #define VAR(name,decl) static decl;
842 #include "ev_vars.h" 1604 #include "ev_vars.h"
843 #undef VAR 1605 #undef VAR
844 1606
845 static int ev_default_loop_ptr; 1607 static int ev_default_loop_ptr;
… …
860 1622
861/*****************************************************************************/ 1623/*****************************************************************************/
862 1624
863#ifndef EV_HAVE_EV_TIME 1625#ifndef EV_HAVE_EV_TIME
864ev_tstamp 1626ev_tstamp
865ev_time (void) 1627ev_time (void) EV_THROW
866{ 1628{
867#if EV_USE_REALTIME 1629#if EV_USE_REALTIME
868 if (expect_true (have_realtime)) 1630 if (expect_true (have_realtime))
869 { 1631 {
870 struct timespec ts; 1632 struct timespec ts;
… …
894 return ev_time (); 1656 return ev_time ();
895} 1657}
896 1658
897#if EV_MULTIPLICITY 1659#if EV_MULTIPLICITY
898ev_tstamp 1660ev_tstamp
899ev_now (EV_P) 1661ev_now (EV_P) EV_THROW
900{ 1662{
901 return ev_rt_now; 1663 return ev_rt_now;
902} 1664}
903#endif 1665#endif
904 1666
905void 1667void
906ev_sleep (ev_tstamp delay) 1668ev_sleep (ev_tstamp delay) EV_THROW
907{ 1669{
908 if (delay > 0.) 1670 if (delay > 0.)
909 { 1671 {
910#if EV_USE_NANOSLEEP 1672#if EV_USE_NANOSLEEP
911 struct timespec ts; 1673 struct timespec ts;
912 1674
913 EV_TS_SET (ts, delay); 1675 EV_TS_SET (ts, delay);
914 nanosleep (&ts, 0); 1676 nanosleep (&ts, 0);
915#elif defined(_WIN32) 1677#elif defined _WIN32
916 Sleep ((unsigned long)(delay * 1e3)); 1678 Sleep ((unsigned long)(delay * 1e3));
917#else 1679#else
918 struct timeval tv; 1680 struct timeval tv;
919 1681
920 /* 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 */
… …
939 1701
940 do 1702 do
941 ncur <<= 1; 1703 ncur <<= 1;
942 while (cnt > ncur); 1704 while (cnt > ncur);
943 1705
944 /* 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 */
945 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1707 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
946 { 1708 {
947 ncur *= elem; 1709 ncur *= elem;
948 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);
949 ncur = ncur - sizeof (void *) * 4; 1711 ncur = ncur - sizeof (void *) * 4;
… …
964 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1726 memset ((void *)(base), 0, sizeof (*(base)) * (count))
965 1727
966#define array_needsize(type,base,cur,cnt,init) \ 1728#define array_needsize(type,base,cur,cnt,init) \
967 if (expect_false ((cnt) > (cur))) \ 1729 if (expect_false ((cnt) > (cur))) \
968 { \ 1730 { \
969 int ocur_ = (cur); \ 1731 int ecb_unused ocur_ = (cur); \
970 (base) = (type *)array_realloc \ 1732 (base) = (type *)array_realloc \
971 (sizeof (type), (base), &(cur), (cnt)); \ 1733 (sizeof (type), (base), &(cur), (cnt)); \
972 init ((base) + (ocur_), (cur) - ocur_); \ 1734 init ((base) + (ocur_), (cur) - ocur_); \
973 } 1735 }
974 1736
… …
992pendingcb (EV_P_ ev_prepare *w, int revents) 1754pendingcb (EV_P_ ev_prepare *w, int revents)
993{ 1755{
994} 1756}
995 1757
996void noinline 1758void noinline
997ev_feed_event (EV_P_ void *w, int revents) 1759ev_feed_event (EV_P_ void *w, int revents) EV_THROW
998{ 1760{
999 W w_ = (W)w; 1761 W w_ = (W)w;
1000 int pri = ABSPRI (w_); 1762 int pri = ABSPRI (w_);
1001 1763
1002 if (expect_false (w_->pending)) 1764 if (expect_false (w_->pending))
… …
1006 w_->pending = ++pendingcnt [pri]; 1768 w_->pending = ++pendingcnt [pri];
1007 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1769 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1008 pendings [pri][w_->pending - 1].w = w_; 1770 pendings [pri][w_->pending - 1].w = w_;
1009 pendings [pri][w_->pending - 1].events = revents; 1771 pendings [pri][w_->pending - 1].events = revents;
1010 } 1772 }
1773
1774 pendingpri = NUMPRI - 1;
1011} 1775}
1012 1776
1013inline_speed void 1777inline_speed void
1014feed_reverse (EV_P_ W w) 1778feed_reverse (EV_P_ W w)
1015{ 1779{
… …
1061 if (expect_true (!anfd->reify)) 1825 if (expect_true (!anfd->reify))
1062 fd_event_nocheck (EV_A_ fd, revents); 1826 fd_event_nocheck (EV_A_ fd, revents);
1063} 1827}
1064 1828
1065void 1829void
1066ev_feed_fd_event (EV_P_ int fd, int revents) 1830ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1067{ 1831{
1068 if (fd >= 0 && fd < anfdmax) 1832 if (fd >= 0 && fd < anfdmax)
1069 fd_event_nocheck (EV_A_ fd, revents); 1833 fd_event_nocheck (EV_A_ fd, revents);
1070} 1834}
1071 1835
… …
1390static void noinline ecb_cold 2154static void noinline ecb_cold
1391evpipe_init (EV_P) 2155evpipe_init (EV_P)
1392{ 2156{
1393 if (!ev_is_active (&pipe_w)) 2157 if (!ev_is_active (&pipe_w))
1394 { 2158 {
2159 int fds [2];
2160
1395# if EV_USE_EVENTFD 2161# if EV_USE_EVENTFD
2162 fds [0] = -1;
1396 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 2163 fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1397 if (evfd < 0 && errno == EINVAL) 2164 if (fds [1] < 0 && errno == EINVAL)
1398 evfd = eventfd (0, 0); 2165 fds [1] = eventfd (0, 0);
1399 2166
1400 if (evfd >= 0) 2167 if (fds [1] < 0)
2168# endif
1401 { 2169 {
2170 while (pipe (fds))
2171 ev_syserr ("(libev) error creating signal/async pipe");
2172
2173 fd_intern (fds [0]);
2174 }
2175
1402 evpipe [0] = -1; 2176 evpipe [0] = fds [0];
1403 fd_intern (evfd); /* doing it twice doesn't hurt */ 2177
1404 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));
1405 } 2228 }
1406 else 2229 else
1407# endif 2230#endif
1408 { 2231 {
1409 while (pipe (evpipe)) 2232#ifdef _WIN32
1410 ev_syserr ("(libev) error creating signal/async pipe"); 2233 WSABUF buf;
1411 2234 DWORD sent;
1412 fd_intern (evpipe [0]); 2235 buf.buf = &buf;
1413 fd_intern (evpipe [1]); 2236 buf.len = 1;
1414 ev_io_set (&pipe_w, evpipe [0], EV_READ); 2237 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2238#else
2239 write (evpipe [1], &(evpipe [1]), 1);
2240#endif
1415 } 2241 }
1416 2242
1417 ev_io_start (EV_A_ &pipe_w);
1418 ev_unref (EV_A); /* watcher should not keep loop alive */
1419 }
1420}
1421
1422inline_speed void
1423evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1424{
1425 if (!*flag)
1426 {
1427 *flag = 1;
1428
1429 pipe_write_skipped = 1;
1430
1431 if (pipe_write_wanted)
1432 {
1433 int old_errno;
1434
1435 pipe_write_skipped = 0;
1436
1437 old_errno = errno; /* save errno because write will clobber it */
1438
1439#if EV_USE_EVENTFD
1440 if (evfd >= 0)
1441 {
1442 uint64_t counter = 1;
1443 write (evfd, &counter, sizeof (uint64_t));
1444 }
1445 else
1446#endif
1447 {
1448 /* win32 people keep sending patches that change this write() to send() */
1449 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1450 /* so when you think this write should be a send instead, please find out */
1451 /* where your send() is from - it's definitely not the microsoft send, and */
1452 /* tell me. thank you. */
1453 write (evpipe [1], &(evpipe [1]), 1);
1454 }
1455
1456 errno = old_errno; 2243 errno = old_errno;
1457 }
1458 } 2244 }
1459} 2245}
1460 2246
1461/* called whenever the libev signal pipe */ 2247/* called whenever the libev signal pipe */
1462/* got some events (signal, async) */ 2248/* got some events (signal, async) */
… …
1466 int i; 2252 int i;
1467 2253
1468 if (revents & EV_READ) 2254 if (revents & EV_READ)
1469 { 2255 {
1470#if EV_USE_EVENTFD 2256#if EV_USE_EVENTFD
1471 if (evfd >= 0) 2257 if (evpipe [0] < 0)
1472 { 2258 {
1473 uint64_t counter; 2259 uint64_t counter;
1474 read (evfd, &counter, sizeof (uint64_t)); 2260 read (evpipe [1], &counter, sizeof (uint64_t));
1475 } 2261 }
1476 else 2262 else
1477#endif 2263#endif
1478 { 2264 {
1479 char dummy; 2265 char dummy[4];
1480 /* 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
1481 read (evpipe [0], &dummy, 1); 2274 read (evpipe [0], &dummy, sizeof (dummy));
2275#endif
1482 } 2276 }
1483 } 2277 }
1484 2278
1485 pipe_write_skipped = 0; 2279 pipe_write_skipped = 0;
2280
2281 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1486 2282
1487#if EV_SIGNAL_ENABLE 2283#if EV_SIGNAL_ENABLE
1488 if (sig_pending) 2284 if (sig_pending)
1489 { 2285 {
1490 sig_pending = 0; 2286 sig_pending = 0;
2287
2288 ECB_MEMORY_FENCE;
1491 2289
1492 for (i = EV_NSIG - 1; i--; ) 2290 for (i = EV_NSIG - 1; i--; )
1493 if (expect_false (signals [i].pending)) 2291 if (expect_false (signals [i].pending))
1494 ev_feed_signal_event (EV_A_ i + 1); 2292 ev_feed_signal_event (EV_A_ i + 1);
1495 } 2293 }
… …
1497 2295
1498#if EV_ASYNC_ENABLE 2296#if EV_ASYNC_ENABLE
1499 if (async_pending) 2297 if (async_pending)
1500 { 2298 {
1501 async_pending = 0; 2299 async_pending = 0;
2300
2301 ECB_MEMORY_FENCE;
1502 2302
1503 for (i = asynccnt; i--; ) 2303 for (i = asynccnt; i--; )
1504 if (asyncs [i]->sent) 2304 if (asyncs [i]->sent)
1505 { 2305 {
1506 asyncs [i]->sent = 0; 2306 asyncs [i]->sent = 0;
2307 ECB_MEMORY_FENCE_RELEASE;
1507 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 2308 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1508 } 2309 }
1509 } 2310 }
1510#endif 2311#endif
1511} 2312}
1512 2313
1513/*****************************************************************************/ 2314/*****************************************************************************/
1514 2315
1515void 2316void
1516ev_feed_signal (int signum) 2317ev_feed_signal (int signum) EV_THROW
1517{ 2318{
1518#if EV_MULTIPLICITY 2319#if EV_MULTIPLICITY
2320 EV_P;
2321 ECB_MEMORY_FENCE_ACQUIRE;
1519 EV_P = signals [signum - 1].loop; 2322 EV_A = signals [signum - 1].loop;
1520 2323
1521 if (!EV_A) 2324 if (!EV_A)
1522 return; 2325 return;
1523#endif 2326#endif
1524 2327
1525 evpipe_init (EV_A);
1526
1527 signals [signum - 1].pending = 1; 2328 signals [signum - 1].pending = 1;
1528 evpipe_write (EV_A_ &sig_pending); 2329 evpipe_write (EV_A_ &sig_pending);
1529} 2330}
1530 2331
1531static void 2332static void
… …
1537 2338
1538 ev_feed_signal (signum); 2339 ev_feed_signal (signum);
1539} 2340}
1540 2341
1541void noinline 2342void noinline
1542ev_feed_signal_event (EV_P_ int signum) 2343ev_feed_signal_event (EV_P_ int signum) EV_THROW
1543{ 2344{
1544 WL w; 2345 WL w;
1545 2346
1546 if (expect_false (signum <= 0 || signum > EV_NSIG)) 2347 if (expect_false (signum <= 0 || signum >= EV_NSIG))
1547 return; 2348 return;
1548 2349
1549 --signum; 2350 --signum;
1550 2351
1551#if EV_MULTIPLICITY 2352#if EV_MULTIPLICITY
… …
1555 if (expect_false (signals [signum].loop != EV_A)) 2356 if (expect_false (signals [signum].loop != EV_A))
1556 return; 2357 return;
1557#endif 2358#endif
1558 2359
1559 signals [signum].pending = 0; 2360 signals [signum].pending = 0;
2361 ECB_MEMORY_FENCE_RELEASE;
1560 2362
1561 for (w = signals [signum].head; w; w = w->next) 2363 for (w = signals [signum].head; w; w = w->next)
1562 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2364 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1563} 2365}
1564 2366
… …
1663#if EV_USE_SELECT 2465#if EV_USE_SELECT
1664# include "ev_select.c" 2466# include "ev_select.c"
1665#endif 2467#endif
1666 2468
1667int ecb_cold 2469int ecb_cold
1668ev_version_major (void) 2470ev_version_major (void) EV_THROW
1669{ 2471{
1670 return EV_VERSION_MAJOR; 2472 return EV_VERSION_MAJOR;
1671} 2473}
1672 2474
1673int ecb_cold 2475int ecb_cold
1674ev_version_minor (void) 2476ev_version_minor (void) EV_THROW
1675{ 2477{
1676 return EV_VERSION_MINOR; 2478 return EV_VERSION_MINOR;
1677} 2479}
1678 2480
1679/* 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 */
… …
1687 || getgid () != getegid (); 2489 || getgid () != getegid ();
1688#endif 2490#endif
1689} 2491}
1690 2492
1691unsigned int ecb_cold 2493unsigned int ecb_cold
1692ev_supported_backends (void) 2494ev_supported_backends (void) EV_THROW
1693{ 2495{
1694 unsigned int flags = 0; 2496 unsigned int flags = 0;
1695 2497
1696 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2498 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1697 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2499 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
1701 2503
1702 return flags; 2504 return flags;
1703} 2505}
1704 2506
1705unsigned int ecb_cold 2507unsigned int ecb_cold
1706ev_recommended_backends (void) 2508ev_recommended_backends (void) EV_THROW
1707{ 2509{
1708 unsigned int flags = ev_supported_backends (); 2510 unsigned int flags = ev_supported_backends ();
1709 2511
1710#ifndef __NetBSD__ 2512#ifndef __NetBSD__
1711 /* kqueue is borked on everything but netbsd apparently */ 2513 /* kqueue is borked on everything but netbsd apparently */
… …
1723 2525
1724 return flags; 2526 return flags;
1725} 2527}
1726 2528
1727unsigned int ecb_cold 2529unsigned int ecb_cold
1728ev_embeddable_backends (void) 2530ev_embeddable_backends (void) EV_THROW
1729{ 2531{
1730 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2532 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1731 2533
1732 /* 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 */
1733 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 */
… …
1735 2537
1736 return flags; 2538 return flags;
1737} 2539}
1738 2540
1739unsigned int 2541unsigned int
1740ev_backend (EV_P) 2542ev_backend (EV_P) EV_THROW
1741{ 2543{
1742 return backend; 2544 return backend;
1743} 2545}
1744 2546
1745#if EV_FEATURE_API 2547#if EV_FEATURE_API
1746unsigned int 2548unsigned int
1747ev_iteration (EV_P) 2549ev_iteration (EV_P) EV_THROW
1748{ 2550{
1749 return loop_count; 2551 return loop_count;
1750} 2552}
1751 2553
1752unsigned int 2554unsigned int
1753ev_depth (EV_P) 2555ev_depth (EV_P) EV_THROW
1754{ 2556{
1755 return loop_depth; 2557 return loop_depth;
1756} 2558}
1757 2559
1758void 2560void
1759ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2561ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1760{ 2562{
1761 io_blocktime = interval; 2563 io_blocktime = interval;
1762} 2564}
1763 2565
1764void 2566void
1765ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2567ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1766{ 2568{
1767 timeout_blocktime = interval; 2569 timeout_blocktime = interval;
1768} 2570}
1769 2571
1770void 2572void
1771ev_set_userdata (EV_P_ void *data) 2573ev_set_userdata (EV_P_ void *data) EV_THROW
1772{ 2574{
1773 userdata = data; 2575 userdata = data;
1774} 2576}
1775 2577
1776void * 2578void *
1777ev_userdata (EV_P) 2579ev_userdata (EV_P) EV_THROW
1778{ 2580{
1779 return userdata; 2581 return userdata;
1780} 2582}
1781 2583
1782void 2584void
1783ev_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
1784{ 2586{
1785 invoke_cb = invoke_pending_cb; 2587 invoke_cb = invoke_pending_cb;
1786} 2588}
1787 2589
1788void 2590void
1789ev_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
1790{ 2592{
1791 release_cb = release; 2593 release_cb = release;
1792 acquire_cb = acquire; 2594 acquire_cb = acquire;
1793} 2595}
1794#endif 2596#endif
1795 2597
1796/* initialise a loop structure, must be zero-initialised */ 2598/* initialise a loop structure, must be zero-initialised */
1797static void noinline ecb_cold 2599static void noinline ecb_cold
1798loop_init (EV_P_ unsigned int flags) 2600loop_init (EV_P_ unsigned int flags) EV_THROW
1799{ 2601{
1800 if (!backend) 2602 if (!backend)
1801 { 2603 {
1802 origflags = flags; 2604 origflags = flags;
1803 2605
… …
1848#if EV_ASYNC_ENABLE 2650#if EV_ASYNC_ENABLE
1849 async_pending = 0; 2651 async_pending = 0;
1850#endif 2652#endif
1851 pipe_write_skipped = 0; 2653 pipe_write_skipped = 0;
1852 pipe_write_wanted = 0; 2654 pipe_write_wanted = 0;
2655 evpipe [0] = -1;
2656 evpipe [1] = -1;
1853#if EV_USE_INOTIFY 2657#if EV_USE_INOTIFY
1854 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 2658 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1855#endif 2659#endif
1856#if EV_USE_SIGNALFD 2660#if EV_USE_SIGNALFD
1857 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 2661 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
… …
1908 EV_INVOKE_PENDING; 2712 EV_INVOKE_PENDING;
1909 } 2713 }
1910#endif 2714#endif
1911 2715
1912#if EV_CHILD_ENABLE 2716#if EV_CHILD_ENABLE
1913 if (ev_is_active (&childev)) 2717 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1914 { 2718 {
1915 ev_ref (EV_A); /* child watcher */ 2719 ev_ref (EV_A); /* child watcher */
1916 ev_signal_stop (EV_A_ &childev); 2720 ev_signal_stop (EV_A_ &childev);
1917 } 2721 }
1918#endif 2722#endif
… …
1920 if (ev_is_active (&pipe_w)) 2724 if (ev_is_active (&pipe_w))
1921 { 2725 {
1922 /*ev_ref (EV_A);*/ 2726 /*ev_ref (EV_A);*/
1923 /*ev_io_stop (EV_A_ &pipe_w);*/ 2727 /*ev_io_stop (EV_A_ &pipe_w);*/
1924 2728
1925#if EV_USE_EVENTFD
1926 if (evfd >= 0)
1927 close (evfd);
1928#endif
1929
1930 if (evpipe [0] >= 0)
1931 {
1932 EV_WIN32_CLOSE_FD (evpipe [0]); 2729 if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1933 EV_WIN32_CLOSE_FD (evpipe [1]); 2730 if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1934 }
1935 } 2731 }
1936 2732
1937#if EV_USE_SIGNALFD 2733#if EV_USE_SIGNALFD
1938 if (ev_is_active (&sigfd_w)) 2734 if (ev_is_active (&sigfd_w))
1939 close (sigfd); 2735 close (sigfd);
… …
2025#endif 2821#endif
2026#if EV_USE_INOTIFY 2822#if EV_USE_INOTIFY
2027 infy_fork (EV_A); 2823 infy_fork (EV_A);
2028#endif 2824#endif
2029 2825
2826#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2030 if (ev_is_active (&pipe_w)) 2827 if (ev_is_active (&pipe_w))
2031 { 2828 {
2032 /* 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 */
2033 2830
2034 ev_ref (EV_A); 2831 ev_ref (EV_A);
2035 ev_io_stop (EV_A_ &pipe_w); 2832 ev_io_stop (EV_A_ &pipe_w);
2036 2833
2037#if EV_USE_EVENTFD
2038 if (evfd >= 0)
2039 close (evfd);
2040#endif
2041
2042 if (evpipe [0] >= 0) 2834 if (evpipe [0] >= 0)
2043 {
2044 EV_WIN32_CLOSE_FD (evpipe [0]); 2835 EV_WIN32_CLOSE_FD (evpipe [0]);
2045 EV_WIN32_CLOSE_FD (evpipe [1]);
2046 }
2047 2836
2048#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2049 evpipe_init (EV_A); 2837 evpipe_init (EV_A);
2050 /* now iterate over everything, in case we missed something */ 2838 /* iterate over everything, in case we missed something before */
2051 pipecb (EV_A_ &pipe_w, EV_READ); 2839 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2052#endif
2053 } 2840 }
2841#endif
2054 2842
2055 postfork = 0; 2843 postfork = 0;
2056} 2844}
2057 2845
2058#if EV_MULTIPLICITY 2846#if EV_MULTIPLICITY
2059 2847
2060struct ev_loop * ecb_cold 2848struct ev_loop * ecb_cold
2061ev_loop_new (unsigned int flags) 2849ev_loop_new (unsigned int flags) EV_THROW
2062{ 2850{
2063 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2851 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2064 2852
2065 memset (EV_A, 0, sizeof (struct ev_loop)); 2853 memset (EV_A, 0, sizeof (struct ev_loop));
2066 loop_init (EV_A_ flags); 2854 loop_init (EV_A_ flags);
… …
2110} 2898}
2111#endif 2899#endif
2112 2900
2113#if EV_FEATURE_API 2901#if EV_FEATURE_API
2114void ecb_cold 2902void ecb_cold
2115ev_verify (EV_P) 2903ev_verify (EV_P) EV_THROW
2116{ 2904{
2117#if EV_VERIFY 2905#if EV_VERIFY
2118 int i; 2906 int i;
2119 WL w; 2907 WL w, w2;
2120 2908
2121 assert (activecnt >= -1); 2909 assert (activecnt >= -1);
2122 2910
2123 assert (fdchangemax >= fdchangecnt); 2911 assert (fdchangemax >= fdchangecnt);
2124 for (i = 0; i < fdchangecnt; ++i) 2912 for (i = 0; i < fdchangecnt; ++i)
2125 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2913 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2126 2914
2127 assert (anfdmax >= 0); 2915 assert (anfdmax >= 0);
2128 for (i = 0; i < anfdmax; ++i) 2916 for (i = 0; i < anfdmax; ++i)
2917 {
2918 int j = 0;
2919
2129 for (w = anfds [i].head; w; w = w->next) 2920 for (w = w2 = anfds [i].head; w; w = w->next)
2130 { 2921 {
2131 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
2132 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));
2133 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));
2134 } 2932 }
2933 }
2135 2934
2136 assert (timermax >= timercnt); 2935 assert (timermax >= timercnt);
2137 verify_heap (EV_A_ timers, timercnt); 2936 verify_heap (EV_A_ timers, timercnt);
2138 2937
2139#if EV_PERIODIC_ENABLE 2938#if EV_PERIODIC_ENABLE
… …
2189#if EV_MULTIPLICITY 2988#if EV_MULTIPLICITY
2190struct ev_loop * ecb_cold 2989struct ev_loop * ecb_cold
2191#else 2990#else
2192int 2991int
2193#endif 2992#endif
2194ev_default_loop (unsigned int flags) 2993ev_default_loop (unsigned int flags) EV_THROW
2195{ 2994{
2196 if (!ev_default_loop_ptr) 2995 if (!ev_default_loop_ptr)
2197 { 2996 {
2198#if EV_MULTIPLICITY 2997#if EV_MULTIPLICITY
2199 EV_P = ev_default_loop_ptr = &default_loop_struct; 2998 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2218 3017
2219 return ev_default_loop_ptr; 3018 return ev_default_loop_ptr;
2220} 3019}
2221 3020
2222void 3021void
2223ev_loop_fork (EV_P) 3022ev_loop_fork (EV_P) EV_THROW
2224{ 3023{
2225 postfork = 1; /* must be in line with ev_default_fork */ 3024 postfork = 1;
2226} 3025}
2227 3026
2228/*****************************************************************************/ 3027/*****************************************************************************/
2229 3028
2230void 3029void
… …
2232{ 3031{
2233 EV_CB_INVOKE ((W)w, revents); 3032 EV_CB_INVOKE ((W)w, revents);
2234} 3033}
2235 3034
2236unsigned int 3035unsigned int
2237ev_pending_count (EV_P) 3036ev_pending_count (EV_P) EV_THROW
2238{ 3037{
2239 int pri; 3038 int pri;
2240 unsigned int count = 0; 3039 unsigned int count = 0;
2241 3040
2242 for (pri = NUMPRI; pri--; ) 3041 for (pri = NUMPRI; pri--; )
… …
2246} 3045}
2247 3046
2248void noinline 3047void noinline
2249ev_invoke_pending (EV_P) 3048ev_invoke_pending (EV_P)
2250{ 3049{
2251 int pri; 3050 pendingpri = NUMPRI;
2252 3051
2253 for (pri = NUMPRI; pri--; ) 3052 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
3053 {
3054 --pendingpri;
3055
2254 while (pendingcnt [pri]) 3056 while (pendingcnt [pendingpri])
2255 { 3057 {
2256 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 3058 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2257 3059
2258 p->w->pending = 0; 3060 p->w->pending = 0;
2259 EV_CB_INVOKE (p->w, p->events); 3061 EV_CB_INVOKE (p->w, p->events);
2260 EV_FREQUENT_CHECK; 3062 EV_FREQUENT_CHECK;
2261 } 3063 }
3064 }
2262} 3065}
2263 3066
2264#if EV_IDLE_ENABLE 3067#if EV_IDLE_ENABLE
2265/* make idle watchers pending. this handles the "call-idle */ 3068/* make idle watchers pending. this handles the "call-idle */
2266/* only when higher priorities are idle" logic */ 3069/* only when higher priorities are idle" logic */
… …
2356{ 3159{
2357 EV_FREQUENT_CHECK; 3160 EV_FREQUENT_CHECK;
2358 3161
2359 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 3162 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2360 { 3163 {
2361 int feed_count = 0;
2362
2363 do 3164 do
2364 { 3165 {
2365 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 3166 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2366 3167
2367 /*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)));*/
… …
2501 3302
2502 mn_now = ev_rt_now; 3303 mn_now = ev_rt_now;
2503 } 3304 }
2504} 3305}
2505 3306
2506void 3307int
2507ev_run (EV_P_ int flags) 3308ev_run (EV_P_ int flags)
2508{ 3309{
2509#if EV_FEATURE_API 3310#if EV_FEATURE_API
2510 ++loop_depth; 3311 ++loop_depth;
2511#endif 3312#endif
… …
2572 time_update (EV_A_ 1e100); 3373 time_update (EV_A_ 1e100);
2573 3374
2574 /* from now on, we want a pipe-wake-up */ 3375 /* from now on, we want a pipe-wake-up */
2575 pipe_write_wanted = 1; 3376 pipe_write_wanted = 1;
2576 3377
3378 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3379
2577 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 3380 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2578 { 3381 {
2579 waittime = MAX_BLOCKTIME; 3382 waittime = MAX_BLOCKTIME;
2580 3383
2581 if (timercnt) 3384 if (timercnt)
… …
2622#endif 3425#endif
2623 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3426 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2624 backend_poll (EV_A_ waittime); 3427 backend_poll (EV_A_ waittime);
2625 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3428 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2626 3429
2627 pipe_write_wanted = 0; 3430 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2628 3431
3432 ECB_MEMORY_FENCE_ACQUIRE;
2629 if (pipe_write_skipped) 3433 if (pipe_write_skipped)
2630 { 3434 {
2631 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)));
2632 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3436 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2633 } 3437 }
… …
2666 loop_done = EVBREAK_CANCEL; 3470 loop_done = EVBREAK_CANCEL;
2667 3471
2668#if EV_FEATURE_API 3472#if EV_FEATURE_API
2669 --loop_depth; 3473 --loop_depth;
2670#endif 3474#endif
3475
3476 return activecnt;
2671} 3477}
2672 3478
2673void 3479void
2674ev_break (EV_P_ int how) 3480ev_break (EV_P_ int how) EV_THROW
2675{ 3481{
2676 loop_done = how; 3482 loop_done = how;
2677} 3483}
2678 3484
2679void 3485void
2680ev_ref (EV_P) 3486ev_ref (EV_P) EV_THROW
2681{ 3487{
2682 ++activecnt; 3488 ++activecnt;
2683} 3489}
2684 3490
2685void 3491void
2686ev_unref (EV_P) 3492ev_unref (EV_P) EV_THROW
2687{ 3493{
2688 --activecnt; 3494 --activecnt;
2689} 3495}
2690 3496
2691void 3497void
2692ev_now_update (EV_P) 3498ev_now_update (EV_P) EV_THROW
2693{ 3499{
2694 time_update (EV_A_ 1e100); 3500 time_update (EV_A_ 1e100);
2695} 3501}
2696 3502
2697void 3503void
2698ev_suspend (EV_P) 3504ev_suspend (EV_P) EV_THROW
2699{ 3505{
2700 ev_now_update (EV_A); 3506 ev_now_update (EV_A);
2701} 3507}
2702 3508
2703void 3509void
2704ev_resume (EV_P) 3510ev_resume (EV_P) EV_THROW
2705{ 3511{
2706 ev_tstamp mn_prev = mn_now; 3512 ev_tstamp mn_prev = mn_now;
2707 3513
2708 ev_now_update (EV_A); 3514 ev_now_update (EV_A);
2709 timers_reschedule (EV_A_ mn_now - mn_prev); 3515 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
2748 w->pending = 0; 3554 w->pending = 0;
2749 } 3555 }
2750} 3556}
2751 3557
2752int 3558int
2753ev_clear_pending (EV_P_ void *w) 3559ev_clear_pending (EV_P_ void *w) EV_THROW
2754{ 3560{
2755 W w_ = (W)w; 3561 W w_ = (W)w;
2756 int pending = w_->pending; 3562 int pending = w_->pending;
2757 3563
2758 if (expect_true (pending)) 3564 if (expect_true (pending))
… …
2791} 3597}
2792 3598
2793/*****************************************************************************/ 3599/*****************************************************************************/
2794 3600
2795void noinline 3601void noinline
2796ev_io_start (EV_P_ ev_io *w) 3602ev_io_start (EV_P_ ev_io *w) EV_THROW
2797{ 3603{
2798 int fd = w->fd; 3604 int fd = w->fd;
2799 3605
2800 if (expect_false (ev_is_active (w))) 3606 if (expect_false (ev_is_active (w)))
2801 return; 3607 return;
… …
2807 3613
2808 ev_start (EV_A_ (W)w, 1); 3614 ev_start (EV_A_ (W)w, 1);
2809 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3615 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2810 wlist_add (&anfds[fd].head, (WL)w); 3616 wlist_add (&anfds[fd].head, (WL)w);
2811 3617
3618 /* common bug, apparently */
3619 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3620
2812 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);
2813 w->events &= ~EV__IOFDSET; 3622 w->events &= ~EV__IOFDSET;
2814 3623
2815 EV_FREQUENT_CHECK; 3624 EV_FREQUENT_CHECK;
2816} 3625}
2817 3626
2818void noinline 3627void noinline
2819ev_io_stop (EV_P_ ev_io *w) 3628ev_io_stop (EV_P_ ev_io *w) EV_THROW
2820{ 3629{
2821 clear_pending (EV_A_ (W)w); 3630 clear_pending (EV_A_ (W)w);
2822 if (expect_false (!ev_is_active (w))) 3631 if (expect_false (!ev_is_active (w)))
2823 return; 3632 return;
2824 3633
… …
2833 3642
2834 EV_FREQUENT_CHECK; 3643 EV_FREQUENT_CHECK;
2835} 3644}
2836 3645
2837void noinline 3646void noinline
2838ev_timer_start (EV_P_ ev_timer *w) 3647ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2839{ 3648{
2840 if (expect_false (ev_is_active (w))) 3649 if (expect_false (ev_is_active (w)))
2841 return; 3650 return;
2842 3651
2843 ev_at (w) += mn_now; 3652 ev_at (w) += mn_now;
… …
2857 3666
2858 /*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));*/
2859} 3668}
2860 3669
2861void noinline 3670void noinline
2862ev_timer_stop (EV_P_ ev_timer *w) 3671ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2863{ 3672{
2864 clear_pending (EV_A_ (W)w); 3673 clear_pending (EV_A_ (W)w);
2865 if (expect_false (!ev_is_active (w))) 3674 if (expect_false (!ev_is_active (w)))
2866 return; 3675 return;
2867 3676
… …
2887 3696
2888 EV_FREQUENT_CHECK; 3697 EV_FREQUENT_CHECK;
2889} 3698}
2890 3699
2891void noinline 3700void noinline
2892ev_timer_again (EV_P_ ev_timer *w) 3701ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2893{ 3702{
2894 EV_FREQUENT_CHECK; 3703 EV_FREQUENT_CHECK;
3704
3705 clear_pending (EV_A_ (W)w);
2895 3706
2896 if (ev_is_active (w)) 3707 if (ev_is_active (w))
2897 { 3708 {
2898 if (w->repeat) 3709 if (w->repeat)
2899 { 3710 {
… …
2912 3723
2913 EV_FREQUENT_CHECK; 3724 EV_FREQUENT_CHECK;
2914} 3725}
2915 3726
2916ev_tstamp 3727ev_tstamp
2917ev_timer_remaining (EV_P_ ev_timer *w) 3728ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2918{ 3729{
2919 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3730 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2920} 3731}
2921 3732
2922#if EV_PERIODIC_ENABLE 3733#if EV_PERIODIC_ENABLE
2923void noinline 3734void noinline
2924ev_periodic_start (EV_P_ ev_periodic *w) 3735ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2925{ 3736{
2926 if (expect_false (ev_is_active (w))) 3737 if (expect_false (ev_is_active (w)))
2927 return; 3738 return;
2928 3739
2929 if (w->reschedule_cb) 3740 if (w->reschedule_cb)
… …
2949 3760
2950 /*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));*/
2951} 3762}
2952 3763
2953void noinline 3764void noinline
2954ev_periodic_stop (EV_P_ ev_periodic *w) 3765ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
2955{ 3766{
2956 clear_pending (EV_A_ (W)w); 3767 clear_pending (EV_A_ (W)w);
2957 if (expect_false (!ev_is_active (w))) 3768 if (expect_false (!ev_is_active (w)))
2958 return; 3769 return;
2959 3770
… …
2977 3788
2978 EV_FREQUENT_CHECK; 3789 EV_FREQUENT_CHECK;
2979} 3790}
2980 3791
2981void noinline 3792void noinline
2982ev_periodic_again (EV_P_ ev_periodic *w) 3793ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
2983{ 3794{
2984 /* TODO: use adjustheap and recalculation */ 3795 /* TODO: use adjustheap and recalculation */
2985 ev_periodic_stop (EV_A_ w); 3796 ev_periodic_stop (EV_A_ w);
2986 ev_periodic_start (EV_A_ w); 3797 ev_periodic_start (EV_A_ w);
2987} 3798}
… …
2992#endif 3803#endif
2993 3804
2994#if EV_SIGNAL_ENABLE 3805#if EV_SIGNAL_ENABLE
2995 3806
2996void noinline 3807void noinline
2997ev_signal_start (EV_P_ ev_signal *w) 3808ev_signal_start (EV_P_ ev_signal *w) EV_THROW
2998{ 3809{
2999 if (expect_false (ev_is_active (w))) 3810 if (expect_false (ev_is_active (w)))
3000 return; 3811 return;
3001 3812
3002 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));
… …
3004#if EV_MULTIPLICITY 3815#if EV_MULTIPLICITY
3005 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",
3006 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); 3817 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3007 3818
3008 signals [w->signum - 1].loop = EV_A; 3819 signals [w->signum - 1].loop = EV_A;
3820 ECB_MEMORY_FENCE_RELEASE;
3009#endif 3821#endif
3010 3822
3011 EV_FREQUENT_CHECK; 3823 EV_FREQUENT_CHECK;
3012 3824
3013#if EV_USE_SIGNALFD 3825#if EV_USE_SIGNALFD
… …
3073 3885
3074 EV_FREQUENT_CHECK; 3886 EV_FREQUENT_CHECK;
3075} 3887}
3076 3888
3077void noinline 3889void noinline
3078ev_signal_stop (EV_P_ ev_signal *w) 3890ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3079{ 3891{
3080 clear_pending (EV_A_ (W)w); 3892 clear_pending (EV_A_ (W)w);
3081 if (expect_false (!ev_is_active (w))) 3893 if (expect_false (!ev_is_active (w)))
3082 return; 3894 return;
3083 3895
… …
3114#endif 3926#endif
3115 3927
3116#if EV_CHILD_ENABLE 3928#if EV_CHILD_ENABLE
3117 3929
3118void 3930void
3119ev_child_start (EV_P_ ev_child *w) 3931ev_child_start (EV_P_ ev_child *w) EV_THROW
3120{ 3932{
3121#if EV_MULTIPLICITY 3933#if EV_MULTIPLICITY
3122 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));
3123#endif 3935#endif
3124 if (expect_false (ev_is_active (w))) 3936 if (expect_false (ev_is_active (w)))
… …
3131 3943
3132 EV_FREQUENT_CHECK; 3944 EV_FREQUENT_CHECK;
3133} 3945}
3134 3946
3135void 3947void
3136ev_child_stop (EV_P_ ev_child *w) 3948ev_child_stop (EV_P_ ev_child *w) EV_THROW
3137{ 3949{
3138 clear_pending (EV_A_ (W)w); 3950 clear_pending (EV_A_ (W)w);
3139 if (expect_false (!ev_is_active (w))) 3951 if (expect_false (!ev_is_active (w)))
3140 return; 3952 return;
3141 3953
… …
3168# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 3980# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3169 3981
3170static void noinline 3982static void noinline
3171infy_add (EV_P_ ev_stat *w) 3983infy_add (EV_P_ ev_stat *w)
3172{ 3984{
3173 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);
3174 3989
3175 if (w->wd >= 0) 3990 if (w->wd >= 0)
3176 { 3991 {
3177 struct statfs sfs; 3992 struct statfs sfs;
3178 3993
… …
3182 3997
3183 if (!fs_2625) 3998 if (!fs_2625)
3184 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; 3999 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3185 else if (!statfs (w->path, &sfs) 4000 else if (!statfs (w->path, &sfs)
3186 && (sfs.f_type == 0x1373 /* devfs */ 4001 && (sfs.f_type == 0x1373 /* devfs */
4002 || sfs.f_type == 0x4006 /* fat */
4003 || sfs.f_type == 0x4d44 /* msdos */
3187 || 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 */
3188 || sfs.f_type == 0x3153464a /* jfs */ 4008 || sfs.f_type == 0x3153464a /* jfs */
4009 || sfs.f_type == 0x9123683e /* btrfs */
3189 || sfs.f_type == 0x52654973 /* reiser3 */ 4010 || sfs.f_type == 0x52654973 /* reiser3 */
3190 || sfs.f_type == 0x01021994 /* tempfs */ 4011 || sfs.f_type == 0x01021994 /* tmpfs */
3191 || sfs.f_type == 0x58465342 /* xfs */)) 4012 || sfs.f_type == 0x58465342 /* xfs */))
3192 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ 4013 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3193 else 4014 else
3194 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 */
3195 } 4016 }
… …
3308} 4129}
3309 4130
3310inline_size int 4131inline_size int
3311infy_newfd (void) 4132infy_newfd (void)
3312{ 4133{
3313#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 4134#if defined IN_CLOEXEC && defined IN_NONBLOCK
3314 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 4135 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3315 if (fd >= 0) 4136 if (fd >= 0)
3316 return fd; 4137 return fd;
3317#endif 4138#endif
3318 return inotify_init (); 4139 return inotify_init ();
… …
3393#else 4214#else
3394# define EV_LSTAT(p,b) lstat (p, b) 4215# define EV_LSTAT(p,b) lstat (p, b)
3395#endif 4216#endif
3396 4217
3397void 4218void
3398ev_stat_stat (EV_P_ ev_stat *w) 4219ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3399{ 4220{
3400 if (lstat (w->path, &w->attr) < 0) 4221 if (lstat (w->path, &w->attr) < 0)
3401 w->attr.st_nlink = 0; 4222 w->attr.st_nlink = 0;
3402 else if (!w->attr.st_nlink) 4223 else if (!w->attr.st_nlink)
3403 w->attr.st_nlink = 1; 4224 w->attr.st_nlink = 1;
… …
3442 ev_feed_event (EV_A_ w, EV_STAT); 4263 ev_feed_event (EV_A_ w, EV_STAT);
3443 } 4264 }
3444} 4265}
3445 4266
3446void 4267void
3447ev_stat_start (EV_P_ ev_stat *w) 4268ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3448{ 4269{
3449 if (expect_false (ev_is_active (w))) 4270 if (expect_false (ev_is_active (w)))
3450 return; 4271 return;
3451 4272
3452 ev_stat_stat (EV_A_ w); 4273 ev_stat_stat (EV_A_ w);
… …
3473 4294
3474 EV_FREQUENT_CHECK; 4295 EV_FREQUENT_CHECK;
3475} 4296}
3476 4297
3477void 4298void
3478ev_stat_stop (EV_P_ ev_stat *w) 4299ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3479{ 4300{
3480 clear_pending (EV_A_ (W)w); 4301 clear_pending (EV_A_ (W)w);
3481 if (expect_false (!ev_is_active (w))) 4302 if (expect_false (!ev_is_active (w)))
3482 return; 4303 return;
3483 4304
… …
3499} 4320}
3500#endif 4321#endif
3501 4322
3502#if EV_IDLE_ENABLE 4323#if EV_IDLE_ENABLE
3503void 4324void
3504ev_idle_start (EV_P_ ev_idle *w) 4325ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3505{ 4326{
3506 if (expect_false (ev_is_active (w))) 4327 if (expect_false (ev_is_active (w)))
3507 return; 4328 return;
3508 4329
3509 pri_adjust (EV_A_ (W)w); 4330 pri_adjust (EV_A_ (W)w);
… …
3522 4343
3523 EV_FREQUENT_CHECK; 4344 EV_FREQUENT_CHECK;
3524} 4345}
3525 4346
3526void 4347void
3527ev_idle_stop (EV_P_ ev_idle *w) 4348ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3528{ 4349{
3529 clear_pending (EV_A_ (W)w); 4350 clear_pending (EV_A_ (W)w);
3530 if (expect_false (!ev_is_active (w))) 4351 if (expect_false (!ev_is_active (w)))
3531 return; 4352 return;
3532 4353
… …
3546} 4367}
3547#endif 4368#endif
3548 4369
3549#if EV_PREPARE_ENABLE 4370#if EV_PREPARE_ENABLE
3550void 4371void
3551ev_prepare_start (EV_P_ ev_prepare *w) 4372ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3552{ 4373{
3553 if (expect_false (ev_is_active (w))) 4374 if (expect_false (ev_is_active (w)))
3554 return; 4375 return;
3555 4376
3556 EV_FREQUENT_CHECK; 4377 EV_FREQUENT_CHECK;
… …
3561 4382
3562 EV_FREQUENT_CHECK; 4383 EV_FREQUENT_CHECK;
3563} 4384}
3564 4385
3565void 4386void
3566ev_prepare_stop (EV_P_ ev_prepare *w) 4387ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3567{ 4388{
3568 clear_pending (EV_A_ (W)w); 4389 clear_pending (EV_A_ (W)w);
3569 if (expect_false (!ev_is_active (w))) 4390 if (expect_false (!ev_is_active (w)))
3570 return; 4391 return;
3571 4392
… …
3584} 4405}
3585#endif 4406#endif
3586 4407
3587#if EV_CHECK_ENABLE 4408#if EV_CHECK_ENABLE
3588void 4409void
3589ev_check_start (EV_P_ ev_check *w) 4410ev_check_start (EV_P_ ev_check *w) EV_THROW
3590{ 4411{
3591 if (expect_false (ev_is_active (w))) 4412 if (expect_false (ev_is_active (w)))
3592 return; 4413 return;
3593 4414
3594 EV_FREQUENT_CHECK; 4415 EV_FREQUENT_CHECK;
… …
3599 4420
3600 EV_FREQUENT_CHECK; 4421 EV_FREQUENT_CHECK;
3601} 4422}
3602 4423
3603void 4424void
3604ev_check_stop (EV_P_ ev_check *w) 4425ev_check_stop (EV_P_ ev_check *w) EV_THROW
3605{ 4426{
3606 clear_pending (EV_A_ (W)w); 4427 clear_pending (EV_A_ (W)w);
3607 if (expect_false (!ev_is_active (w))) 4428 if (expect_false (!ev_is_active (w)))
3608 return; 4429 return;
3609 4430
… …
3622} 4443}
3623#endif 4444#endif
3624 4445
3625#if EV_EMBED_ENABLE 4446#if EV_EMBED_ENABLE
3626void noinline 4447void noinline
3627ev_embed_sweep (EV_P_ ev_embed *w) 4448ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3628{ 4449{
3629 ev_run (w->other, EVRUN_NOWAIT); 4450 ev_run (w->other, EVRUN_NOWAIT);
3630} 4451}
3631 4452
3632static void 4453static void
… …
3680 ev_idle_stop (EV_A_ idle); 4501 ev_idle_stop (EV_A_ idle);
3681} 4502}
3682#endif 4503#endif
3683 4504
3684void 4505void
3685ev_embed_start (EV_P_ ev_embed *w) 4506ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3686{ 4507{
3687 if (expect_false (ev_is_active (w))) 4508 if (expect_false (ev_is_active (w)))
3688 return; 4509 return;
3689 4510
3690 { 4511 {
… …
3711 4532
3712 EV_FREQUENT_CHECK; 4533 EV_FREQUENT_CHECK;
3713} 4534}
3714 4535
3715void 4536void
3716ev_embed_stop (EV_P_ ev_embed *w) 4537ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3717{ 4538{
3718 clear_pending (EV_A_ (W)w); 4539 clear_pending (EV_A_ (W)w);
3719 if (expect_false (!ev_is_active (w))) 4540 if (expect_false (!ev_is_active (w)))
3720 return; 4541 return;
3721 4542
… …
3731} 4552}
3732#endif 4553#endif
3733 4554
3734#if EV_FORK_ENABLE 4555#if EV_FORK_ENABLE
3735void 4556void
3736ev_fork_start (EV_P_ ev_fork *w) 4557ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3737{ 4558{
3738 if (expect_false (ev_is_active (w))) 4559 if (expect_false (ev_is_active (w)))
3739 return; 4560 return;
3740 4561
3741 EV_FREQUENT_CHECK; 4562 EV_FREQUENT_CHECK;
… …
3746 4567
3747 EV_FREQUENT_CHECK; 4568 EV_FREQUENT_CHECK;
3748} 4569}
3749 4570
3750void 4571void
3751ev_fork_stop (EV_P_ ev_fork *w) 4572ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3752{ 4573{
3753 clear_pending (EV_A_ (W)w); 4574 clear_pending (EV_A_ (W)w);
3754 if (expect_false (!ev_is_active (w))) 4575 if (expect_false (!ev_is_active (w)))
3755 return; 4576 return;
3756 4577
… …
3769} 4590}
3770#endif 4591#endif
3771 4592
3772#if EV_CLEANUP_ENABLE 4593#if EV_CLEANUP_ENABLE
3773void 4594void
3774ev_cleanup_start (EV_P_ ev_cleanup *w) 4595ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3775{ 4596{
3776 if (expect_false (ev_is_active (w))) 4597 if (expect_false (ev_is_active (w)))
3777 return; 4598 return;
3778 4599
3779 EV_FREQUENT_CHECK; 4600 EV_FREQUENT_CHECK;
… …
3786 ev_unref (EV_A); 4607 ev_unref (EV_A);
3787 EV_FREQUENT_CHECK; 4608 EV_FREQUENT_CHECK;
3788} 4609}
3789 4610
3790void 4611void
3791ev_cleanup_stop (EV_P_ ev_cleanup *w) 4612ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3792{ 4613{
3793 clear_pending (EV_A_ (W)w); 4614 clear_pending (EV_A_ (W)w);
3794 if (expect_false (!ev_is_active (w))) 4615 if (expect_false (!ev_is_active (w)))
3795 return; 4616 return;
3796 4617
… …
3810} 4631}
3811#endif 4632#endif
3812 4633
3813#if EV_ASYNC_ENABLE 4634#if EV_ASYNC_ENABLE
3814void 4635void
3815ev_async_start (EV_P_ ev_async *w) 4636ev_async_start (EV_P_ ev_async *w) EV_THROW
3816{ 4637{
3817 if (expect_false (ev_is_active (w))) 4638 if (expect_false (ev_is_active (w)))
3818 return; 4639 return;
3819 4640
3820 w->sent = 0; 4641 w->sent = 0;
… …
3829 4650
3830 EV_FREQUENT_CHECK; 4651 EV_FREQUENT_CHECK;
3831} 4652}
3832 4653
3833void 4654void
3834ev_async_stop (EV_P_ ev_async *w) 4655ev_async_stop (EV_P_ ev_async *w) EV_THROW
3835{ 4656{
3836 clear_pending (EV_A_ (W)w); 4657 clear_pending (EV_A_ (W)w);
3837 if (expect_false (!ev_is_active (w))) 4658 if (expect_false (!ev_is_active (w)))
3838 return; 4659 return;
3839 4660
… …
3850 4671
3851 EV_FREQUENT_CHECK; 4672 EV_FREQUENT_CHECK;
3852} 4673}
3853 4674
3854void 4675void
3855ev_async_send (EV_P_ ev_async *w) 4676ev_async_send (EV_P_ ev_async *w) EV_THROW
3856{ 4677{
3857 w->sent = 1; 4678 w->sent = 1;
3858 evpipe_write (EV_A_ &async_pending); 4679 evpipe_write (EV_A_ &async_pending);
3859} 4680}
3860#endif 4681#endif
… …
3897 4718
3898 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));
3899} 4720}
3900 4721
3901void 4722void
3902ev_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
3903{ 4724{
3904 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));
3905 4726
3906 if (expect_false (!once)) 4727 if (expect_false (!once))
3907 { 4728 {
… …
3929 4750
3930/*****************************************************************************/ 4751/*****************************************************************************/
3931 4752
3932#if EV_WALK_ENABLE 4753#if EV_WALK_ENABLE
3933void ecb_cold 4754void ecb_cold
3934ev_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
3935{ 4756{
3936 int i, j; 4757 int i, j;
3937 ev_watcher_list *wl, *wn; 4758 ev_watcher_list *wl, *wn;
3938 4759
3939 if (types & (EV_IO | EV_EMBED)) 4760 if (types & (EV_IO | EV_EMBED))
… …
3982 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); 4803 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3983#endif 4804#endif
3984 4805
3985#if EV_IDLE_ENABLE 4806#if EV_IDLE_ENABLE
3986 if (types & EV_IDLE) 4807 if (types & EV_IDLE)
3987 for (j = NUMPRI; i--; ) 4808 for (j = NUMPRI; j--; )
3988 for (i = idlecnt [j]; i--; ) 4809 for (i = idlecnt [j]; i--; )
3989 cb (EV_A_ EV_IDLE, idles [j][i]); 4810 cb (EV_A_ EV_IDLE, idles [j][i]);
3990#endif 4811#endif
3991 4812
3992#if EV_FORK_ENABLE 4813#if EV_FORK_ENABLE
… …
4045 4866
4046#if EV_MULTIPLICITY 4867#if EV_MULTIPLICITY
4047 #include "ev_wrap.h" 4868 #include "ev_wrap.h"
4048#endif 4869#endif
4049 4870
4050EV_CPP(})
4051

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