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Comparing libev/ev.c (file contents):
Revision 1.384 by root, Wed Jul 20 00:58:45 2011 UTC vs.
Revision 1.462 by root, Sun Jan 5 02:59:36 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 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
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) && defined(MemoryBarrier)
521 #define ECB_MEMORY_FENCE MemoryBarrier ()
522 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
523 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
524 #endif
525#endif
526 751
527#ifndef ECB_MEMORY_FENCE 752#define ECB_CONCAT_(a, b) a ## b
528 #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)
529 756
530 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 757#define ecb_function_ ecb_inline
531 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
532 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
533 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
534#endif
535 758
536#if ECB_GCC_VERSION(3,1) 759#if ECB_GCC_VERSION(3,1)
537 #define ecb_attribute(attrlist) __attribute__(attrlist) 760 #define ecb_attribute(attrlist) __attribute__(attrlist)
538 #define ecb_is_constant(expr) __builtin_constant_p (expr) 761 #define ecb_is_constant(expr) __builtin_constant_p (expr)
539 #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) 762 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
… …
543 #define ecb_is_constant(expr) 0 766 #define ecb_is_constant(expr) 0
544 #define ecb_expect(expr,value) (expr) 767 #define ecb_expect(expr,value) (expr)
545 #define ecb_prefetch(addr,rw,locality) 768 #define ecb_prefetch(addr,rw,locality)
546#endif 769#endif
547 770
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
548#define ecb_noinline ecb_attribute ((__noinline__)) 778#define ecb_noinline ecb_attribute ((__noinline__))
549#define ecb_noreturn ecb_attribute ((__noreturn__))
550#define ecb_unused ecb_attribute ((__unused__)) 779#define ecb_unused ecb_attribute ((__unused__))
551#define ecb_const ecb_attribute ((__const__)) 780#define ecb_const ecb_attribute ((__const__))
552#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
553 788
554#if ECB_GCC_VERSION(4,3) 789#if ECB_GCC_VERSION(4,3)
555 #define ecb_artificial ecb_attribute ((__artificial__)) 790 #define ecb_artificial ecb_attribute ((__artificial__))
556 #define ecb_hot ecb_attribute ((__hot__)) 791 #define ecb_hot ecb_attribute ((__hot__))
557 #define ecb_cold ecb_attribute ((__cold__)) 792 #define ecb_cold ecb_attribute ((__cold__))
… …
564/* put around conditional expressions if you are very sure that the */ 799/* put around conditional expressions if you are very sure that the */
565/* expression is mostly true or mostly false. note that these return */ 800/* expression is mostly true or mostly false. note that these return */
566/* booleans, not the expression. */ 801/* booleans, not the expression. */
567#define ecb_expect_false(expr) ecb_expect (!!(expr), 0) 802#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
568#define ecb_expect_true(expr) ecb_expect (!!(expr), 1) 803#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
569/* 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
570 1273
571#define expect_false(cond) ecb_expect_false (cond) 1274#define expect_false(cond) ecb_expect_false (cond)
572#define expect_true(cond) ecb_expect_true (cond) 1275#define expect_true(cond) ecb_expect_true (cond)
573#define noinline ecb_noinline 1276#define noinline ecb_noinline
574 1277
… …
720{ 1423{
721 write (STDERR_FILENO, msg, strlen (msg)); 1424 write (STDERR_FILENO, msg, strlen (msg));
722} 1425}
723#endif 1426#endif
724 1427
725static void (*syserr_cb)(const char *msg); 1428static void (*syserr_cb)(const char *msg) EV_THROW;
726 1429
727void ecb_cold 1430void ecb_cold
728ev_set_syserr_cb (void (*cb)(const char *msg)) 1431ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
729{ 1432{
730 syserr_cb = cb; 1433 syserr_cb = cb;
731} 1434}
732 1435
733static void noinline ecb_cold 1436static void noinline ecb_cold
… …
751 abort (); 1454 abort ();
752 } 1455 }
753} 1456}
754 1457
755static void * 1458static void *
756ev_realloc_emul (void *ptr, long size) 1459ev_realloc_emul (void *ptr, long size) EV_THROW
757{ 1460{
758#if __GLIBC__
759 return realloc (ptr, size);
760#else
761 /* some systems, notably openbsd and darwin, fail to properly 1461 /* some systems, notably openbsd and darwin, fail to properly
762 * 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
763 * 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.
764 */ 1466 */
765 1467
766 if (size) 1468 if (size)
767 return realloc (ptr, size); 1469 return realloc (ptr, size);
768 1470
769 free (ptr); 1471 free (ptr);
770 return 0; 1472 return 0;
771#endif
772} 1473}
773 1474
774static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1475static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
775 1476
776void ecb_cold 1477void ecb_cold
777ev_set_allocator (void *(*cb)(void *ptr, long size)) 1478ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
778{ 1479{
779 alloc = cb; 1480 alloc = cb;
780} 1481}
781 1482
782inline_speed void * 1483inline_speed void *
… …
870 #undef VAR 1571 #undef VAR
871 }; 1572 };
872 #include "ev_wrap.h" 1573 #include "ev_wrap.h"
873 1574
874 static struct ev_loop default_loop_struct; 1575 static struct ev_loop default_loop_struct;
875 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 */
876 1577
877#else 1578#else
878 1579
879 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 */
880 #define VAR(name,decl) static decl; 1581 #define VAR(name,decl) static decl;
881 #include "ev_vars.h" 1582 #include "ev_vars.h"
882 #undef VAR 1583 #undef VAR
883 1584
884 static int ev_default_loop_ptr; 1585 static int ev_default_loop_ptr;
… …
899 1600
900/*****************************************************************************/ 1601/*****************************************************************************/
901 1602
902#ifndef EV_HAVE_EV_TIME 1603#ifndef EV_HAVE_EV_TIME
903ev_tstamp 1604ev_tstamp
904ev_time (void) 1605ev_time (void) EV_THROW
905{ 1606{
906#if EV_USE_REALTIME 1607#if EV_USE_REALTIME
907 if (expect_true (have_realtime)) 1608 if (expect_true (have_realtime))
908 { 1609 {
909 struct timespec ts; 1610 struct timespec ts;
… …
933 return ev_time (); 1634 return ev_time ();
934} 1635}
935 1636
936#if EV_MULTIPLICITY 1637#if EV_MULTIPLICITY
937ev_tstamp 1638ev_tstamp
938ev_now (EV_P) 1639ev_now (EV_P) EV_THROW
939{ 1640{
940 return ev_rt_now; 1641 return ev_rt_now;
941} 1642}
942#endif 1643#endif
943 1644
944void 1645void
945ev_sleep (ev_tstamp delay) 1646ev_sleep (ev_tstamp delay) EV_THROW
946{ 1647{
947 if (delay > 0.) 1648 if (delay > 0.)
948 { 1649 {
949#if EV_USE_NANOSLEEP 1650#if EV_USE_NANOSLEEP
950 struct timespec ts; 1651 struct timespec ts;
951 1652
952 EV_TS_SET (ts, delay); 1653 EV_TS_SET (ts, delay);
953 nanosleep (&ts, 0); 1654 nanosleep (&ts, 0);
954#elif defined(_WIN32) 1655#elif defined _WIN32
955 Sleep ((unsigned long)(delay * 1e3)); 1656 Sleep ((unsigned long)(delay * 1e3));
956#else 1657#else
957 struct timeval tv; 1658 struct timeval tv;
958 1659
959 /* 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 */
… …
978 1679
979 do 1680 do
980 ncur <<= 1; 1681 ncur <<= 1;
981 while (cnt > ncur); 1682 while (cnt > ncur);
982 1683
983 /* 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 */
984 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1685 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
985 { 1686 {
986 ncur *= elem; 1687 ncur *= elem;
987 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);
988 ncur = ncur - sizeof (void *) * 4; 1689 ncur = ncur - sizeof (void *) * 4;
… …
1031pendingcb (EV_P_ ev_prepare *w, int revents) 1732pendingcb (EV_P_ ev_prepare *w, int revents)
1032{ 1733{
1033} 1734}
1034 1735
1035void noinline 1736void noinline
1036ev_feed_event (EV_P_ void *w, int revents) 1737ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1037{ 1738{
1038 W w_ = (W)w; 1739 W w_ = (W)w;
1039 int pri = ABSPRI (w_); 1740 int pri = ABSPRI (w_);
1040 1741
1041 if (expect_false (w_->pending)) 1742 if (expect_false (w_->pending))
… …
1045 w_->pending = ++pendingcnt [pri]; 1746 w_->pending = ++pendingcnt [pri];
1046 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1747 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1047 pendings [pri][w_->pending - 1].w = w_; 1748 pendings [pri][w_->pending - 1].w = w_;
1048 pendings [pri][w_->pending - 1].events = revents; 1749 pendings [pri][w_->pending - 1].events = revents;
1049 } 1750 }
1751
1752 pendingpri = NUMPRI - 1;
1050} 1753}
1051 1754
1052inline_speed void 1755inline_speed void
1053feed_reverse (EV_P_ W w) 1756feed_reverse (EV_P_ W w)
1054{ 1757{
… …
1100 if (expect_true (!anfd->reify)) 1803 if (expect_true (!anfd->reify))
1101 fd_event_nocheck (EV_A_ fd, revents); 1804 fd_event_nocheck (EV_A_ fd, revents);
1102} 1805}
1103 1806
1104void 1807void
1105ev_feed_fd_event (EV_P_ int fd, int revents) 1808ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1106{ 1809{
1107 if (fd >= 0 && fd < anfdmax) 1810 if (fd >= 0 && fd < anfdmax)
1108 fd_event_nocheck (EV_A_ fd, revents); 1811 fd_event_nocheck (EV_A_ fd, revents);
1109} 1812}
1110 1813
… …
1429static void noinline ecb_cold 2132static void noinline ecb_cold
1430evpipe_init (EV_P) 2133evpipe_init (EV_P)
1431{ 2134{
1432 if (!ev_is_active (&pipe_w)) 2135 if (!ev_is_active (&pipe_w))
1433 { 2136 {
2137 int fds [2];
2138
1434# if EV_USE_EVENTFD 2139# if EV_USE_EVENTFD
2140 fds [0] = -1;
1435 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 2141 fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1436 if (evfd < 0 && errno == EINVAL) 2142 if (fds [1] < 0 && errno == EINVAL)
1437 evfd = eventfd (0, 0); 2143 fds [1] = eventfd (0, 0);
1438 2144
1439 if (evfd >= 0) 2145 if (fds [1] < 0)
2146# endif
1440 { 2147 {
2148 while (pipe (fds))
2149 ev_syserr ("(libev) error creating signal/async pipe");
2150
2151 fd_intern (fds [0]);
2152 }
2153
1441 evpipe [0] = -1; 2154 evpipe [0] = fds [0];
1442 fd_intern (evfd); /* doing it twice doesn't hurt */ 2155
1443 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));
1444 } 2206 }
1445 else 2207 else
1446# endif 2208#endif
1447 { 2209 {
1448 while (pipe (evpipe)) 2210#ifdef _WIN32
1449 ev_syserr ("(libev) error creating signal/async pipe"); 2211 WSABUF buf;
1450 2212 DWORD sent;
1451 fd_intern (evpipe [0]); 2213 buf.buf = &buf;
1452 fd_intern (evpipe [1]); 2214 buf.len = 1;
1453 ev_io_set (&pipe_w, evpipe [0], EV_READ); 2215 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1454 } 2216#else
1455
1456 ev_io_start (EV_A_ &pipe_w);
1457 ev_unref (EV_A); /* watcher should not keep loop alive */
1458 }
1459}
1460
1461inline_speed void
1462evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1463{
1464 if (expect_true (*flag))
1465 return;
1466
1467 *flag = 1;
1468
1469 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1470
1471 pipe_write_skipped = 1;
1472
1473 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1474
1475 if (pipe_write_wanted)
1476 {
1477 int old_errno;
1478
1479 pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
1480
1481 old_errno = errno; /* save errno because write will clobber it */
1482
1483#if EV_USE_EVENTFD
1484 if (evfd >= 0)
1485 {
1486 uint64_t counter = 1;
1487 write (evfd, &counter, sizeof (uint64_t));
1488 }
1489 else
1490#endif
1491 {
1492 /* win32 people keep sending patches that change this write() to send() */
1493 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1494 /* so when you think this write should be a send instead, please find out */
1495 /* where your send() is from - it's definitely not the microsoft send, and */
1496 /* tell me. thank you. */
1497 write (evpipe [1], &(evpipe [1]), 1); 2217 write (evpipe [1], &(evpipe [1]), 1);
2218#endif
1498 } 2219 }
1499 2220
1500 errno = old_errno; 2221 errno = old_errno;
1501 } 2222 }
1502} 2223}
… …
1509 int i; 2230 int i;
1510 2231
1511 if (revents & EV_READ) 2232 if (revents & EV_READ)
1512 { 2233 {
1513#if EV_USE_EVENTFD 2234#if EV_USE_EVENTFD
1514 if (evfd >= 0) 2235 if (evpipe [0] < 0)
1515 { 2236 {
1516 uint64_t counter; 2237 uint64_t counter;
1517 read (evfd, &counter, sizeof (uint64_t)); 2238 read (evpipe [1], &counter, sizeof (uint64_t));
1518 } 2239 }
1519 else 2240 else
1520#endif 2241#endif
1521 { 2242 {
1522 char dummy; 2243 char dummy[4];
1523 /* 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
1524 read (evpipe [0], &dummy, 1); 2252 read (evpipe [0], &dummy, sizeof (dummy));
2253#endif
1525 } 2254 }
1526 } 2255 }
1527 2256
1528 pipe_write_skipped = 0; 2257 pipe_write_skipped = 0;
2258
2259 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1529 2260
1530#if EV_SIGNAL_ENABLE 2261#if EV_SIGNAL_ENABLE
1531 if (sig_pending) 2262 if (sig_pending)
1532 { 2263 {
1533 sig_pending = 0; 2264 sig_pending = 0;
2265
2266 ECB_MEMORY_FENCE;
1534 2267
1535 for (i = EV_NSIG - 1; i--; ) 2268 for (i = EV_NSIG - 1; i--; )
1536 if (expect_false (signals [i].pending)) 2269 if (expect_false (signals [i].pending))
1537 ev_feed_signal_event (EV_A_ i + 1); 2270 ev_feed_signal_event (EV_A_ i + 1);
1538 } 2271 }
… …
1540 2273
1541#if EV_ASYNC_ENABLE 2274#if EV_ASYNC_ENABLE
1542 if (async_pending) 2275 if (async_pending)
1543 { 2276 {
1544 async_pending = 0; 2277 async_pending = 0;
2278
2279 ECB_MEMORY_FENCE;
1545 2280
1546 for (i = asynccnt; i--; ) 2281 for (i = asynccnt; i--; )
1547 if (asyncs [i]->sent) 2282 if (asyncs [i]->sent)
1548 { 2283 {
1549 asyncs [i]->sent = 0; 2284 asyncs [i]->sent = 0;
2285 ECB_MEMORY_FENCE_RELEASE;
1550 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 2286 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1551 } 2287 }
1552 } 2288 }
1553#endif 2289#endif
1554} 2290}
1555 2291
1556/*****************************************************************************/ 2292/*****************************************************************************/
1557 2293
1558void 2294void
1559ev_feed_signal (int signum) 2295ev_feed_signal (int signum) EV_THROW
1560{ 2296{
1561#if EV_MULTIPLICITY 2297#if EV_MULTIPLICITY
2298 EV_P;
2299 ECB_MEMORY_FENCE_ACQUIRE;
1562 EV_P = signals [signum - 1].loop; 2300 EV_A = signals [signum - 1].loop;
1563 2301
1564 if (!EV_A) 2302 if (!EV_A)
1565 return; 2303 return;
1566#endif 2304#endif
1567 2305
1568 if (!ev_active (&pipe_w))
1569 return;
1570
1571 signals [signum - 1].pending = 1; 2306 signals [signum - 1].pending = 1;
1572 evpipe_write (EV_A_ &sig_pending); 2307 evpipe_write (EV_A_ &sig_pending);
1573} 2308}
1574 2309
1575static void 2310static void
… …
1581 2316
1582 ev_feed_signal (signum); 2317 ev_feed_signal (signum);
1583} 2318}
1584 2319
1585void noinline 2320void noinline
1586ev_feed_signal_event (EV_P_ int signum) 2321ev_feed_signal_event (EV_P_ int signum) EV_THROW
1587{ 2322{
1588 WL w; 2323 WL w;
1589 2324
1590 if (expect_false (signum <= 0 || signum > EV_NSIG)) 2325 if (expect_false (signum <= 0 || signum >= EV_NSIG))
1591 return; 2326 return;
1592 2327
1593 --signum; 2328 --signum;
1594 2329
1595#if EV_MULTIPLICITY 2330#if EV_MULTIPLICITY
… …
1599 if (expect_false (signals [signum].loop != EV_A)) 2334 if (expect_false (signals [signum].loop != EV_A))
1600 return; 2335 return;
1601#endif 2336#endif
1602 2337
1603 signals [signum].pending = 0; 2338 signals [signum].pending = 0;
2339 ECB_MEMORY_FENCE_RELEASE;
1604 2340
1605 for (w = signals [signum].head; w; w = w->next) 2341 for (w = signals [signum].head; w; w = w->next)
1606 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2342 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1607} 2343}
1608 2344
… …
1707#if EV_USE_SELECT 2443#if EV_USE_SELECT
1708# include "ev_select.c" 2444# include "ev_select.c"
1709#endif 2445#endif
1710 2446
1711int ecb_cold 2447int ecb_cold
1712ev_version_major (void) 2448ev_version_major (void) EV_THROW
1713{ 2449{
1714 return EV_VERSION_MAJOR; 2450 return EV_VERSION_MAJOR;
1715} 2451}
1716 2452
1717int ecb_cold 2453int ecb_cold
1718ev_version_minor (void) 2454ev_version_minor (void) EV_THROW
1719{ 2455{
1720 return EV_VERSION_MINOR; 2456 return EV_VERSION_MINOR;
1721} 2457}
1722 2458
1723/* 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 */
… …
1731 || getgid () != getegid (); 2467 || getgid () != getegid ();
1732#endif 2468#endif
1733} 2469}
1734 2470
1735unsigned int ecb_cold 2471unsigned int ecb_cold
1736ev_supported_backends (void) 2472ev_supported_backends (void) EV_THROW
1737{ 2473{
1738 unsigned int flags = 0; 2474 unsigned int flags = 0;
1739 2475
1740 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2476 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1741 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2477 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
1745 2481
1746 return flags; 2482 return flags;
1747} 2483}
1748 2484
1749unsigned int ecb_cold 2485unsigned int ecb_cold
1750ev_recommended_backends (void) 2486ev_recommended_backends (void) EV_THROW
1751{ 2487{
1752 unsigned int flags = ev_supported_backends (); 2488 unsigned int flags = ev_supported_backends ();
1753 2489
1754#ifndef __NetBSD__ 2490#ifndef __NetBSD__
1755 /* kqueue is borked on everything but netbsd apparently */ 2491 /* kqueue is borked on everything but netbsd apparently */
… …
1767 2503
1768 return flags; 2504 return flags;
1769} 2505}
1770 2506
1771unsigned int ecb_cold 2507unsigned int ecb_cold
1772ev_embeddable_backends (void) 2508ev_embeddable_backends (void) EV_THROW
1773{ 2509{
1774 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2510 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1775 2511
1776 /* 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 */
1777 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 */
… …
1779 2515
1780 return flags; 2516 return flags;
1781} 2517}
1782 2518
1783unsigned int 2519unsigned int
1784ev_backend (EV_P) 2520ev_backend (EV_P) EV_THROW
1785{ 2521{
1786 return backend; 2522 return backend;
1787} 2523}
1788 2524
1789#if EV_FEATURE_API 2525#if EV_FEATURE_API
1790unsigned int 2526unsigned int
1791ev_iteration (EV_P) 2527ev_iteration (EV_P) EV_THROW
1792{ 2528{
1793 return loop_count; 2529 return loop_count;
1794} 2530}
1795 2531
1796unsigned int 2532unsigned int
1797ev_depth (EV_P) 2533ev_depth (EV_P) EV_THROW
1798{ 2534{
1799 return loop_depth; 2535 return loop_depth;
1800} 2536}
1801 2537
1802void 2538void
1803ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2539ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1804{ 2540{
1805 io_blocktime = interval; 2541 io_blocktime = interval;
1806} 2542}
1807 2543
1808void 2544void
1809ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2545ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1810{ 2546{
1811 timeout_blocktime = interval; 2547 timeout_blocktime = interval;
1812} 2548}
1813 2549
1814void 2550void
1815ev_set_userdata (EV_P_ void *data) 2551ev_set_userdata (EV_P_ void *data) EV_THROW
1816{ 2552{
1817 userdata = data; 2553 userdata = data;
1818} 2554}
1819 2555
1820void * 2556void *
1821ev_userdata (EV_P) 2557ev_userdata (EV_P) EV_THROW
1822{ 2558{
1823 return userdata; 2559 return userdata;
1824} 2560}
1825 2561
1826void 2562void
1827ev_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
1828{ 2564{
1829 invoke_cb = invoke_pending_cb; 2565 invoke_cb = invoke_pending_cb;
1830} 2566}
1831 2567
1832void 2568void
1833ev_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
1834{ 2570{
1835 release_cb = release; 2571 release_cb = release;
1836 acquire_cb = acquire; 2572 acquire_cb = acquire;
1837} 2573}
1838#endif 2574#endif
1839 2575
1840/* initialise a loop structure, must be zero-initialised */ 2576/* initialise a loop structure, must be zero-initialised */
1841static void noinline ecb_cold 2577static void noinline ecb_cold
1842loop_init (EV_P_ unsigned int flags) 2578loop_init (EV_P_ unsigned int flags) EV_THROW
1843{ 2579{
1844 if (!backend) 2580 if (!backend)
1845 { 2581 {
1846 origflags = flags; 2582 origflags = flags;
1847 2583
… …
1892#if EV_ASYNC_ENABLE 2628#if EV_ASYNC_ENABLE
1893 async_pending = 0; 2629 async_pending = 0;
1894#endif 2630#endif
1895 pipe_write_skipped = 0; 2631 pipe_write_skipped = 0;
1896 pipe_write_wanted = 0; 2632 pipe_write_wanted = 0;
2633 evpipe [0] = -1;
2634 evpipe [1] = -1;
1897#if EV_USE_INOTIFY 2635#if EV_USE_INOTIFY
1898 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 2636 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1899#endif 2637#endif
1900#if EV_USE_SIGNALFD 2638#if EV_USE_SIGNALFD
1901 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 2639 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
… …
1952 EV_INVOKE_PENDING; 2690 EV_INVOKE_PENDING;
1953 } 2691 }
1954#endif 2692#endif
1955 2693
1956#if EV_CHILD_ENABLE 2694#if EV_CHILD_ENABLE
1957 if (ev_is_active (&childev)) 2695 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1958 { 2696 {
1959 ev_ref (EV_A); /* child watcher */ 2697 ev_ref (EV_A); /* child watcher */
1960 ev_signal_stop (EV_A_ &childev); 2698 ev_signal_stop (EV_A_ &childev);
1961 } 2699 }
1962#endif 2700#endif
… …
1964 if (ev_is_active (&pipe_w)) 2702 if (ev_is_active (&pipe_w))
1965 { 2703 {
1966 /*ev_ref (EV_A);*/ 2704 /*ev_ref (EV_A);*/
1967 /*ev_io_stop (EV_A_ &pipe_w);*/ 2705 /*ev_io_stop (EV_A_ &pipe_w);*/
1968 2706
1969#if EV_USE_EVENTFD
1970 if (evfd >= 0)
1971 close (evfd);
1972#endif
1973
1974 if (evpipe [0] >= 0)
1975 {
1976 EV_WIN32_CLOSE_FD (evpipe [0]); 2707 if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1977 EV_WIN32_CLOSE_FD (evpipe [1]); 2708 if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1978 }
1979 } 2709 }
1980 2710
1981#if EV_USE_SIGNALFD 2711#if EV_USE_SIGNALFD
1982 if (ev_is_active (&sigfd_w)) 2712 if (ev_is_active (&sigfd_w))
1983 close (sigfd); 2713 close (sigfd);
… …
2069#endif 2799#endif
2070#if EV_USE_INOTIFY 2800#if EV_USE_INOTIFY
2071 infy_fork (EV_A); 2801 infy_fork (EV_A);
2072#endif 2802#endif
2073 2803
2804#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2074 if (ev_is_active (&pipe_w)) 2805 if (ev_is_active (&pipe_w))
2075 { 2806 {
2076 /* 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 */
2077 2808
2078 ev_ref (EV_A); 2809 ev_ref (EV_A);
2079 ev_io_stop (EV_A_ &pipe_w); 2810 ev_io_stop (EV_A_ &pipe_w);
2080 2811
2081#if EV_USE_EVENTFD
2082 if (evfd >= 0)
2083 close (evfd);
2084#endif
2085
2086 if (evpipe [0] >= 0) 2812 if (evpipe [0] >= 0)
2087 {
2088 EV_WIN32_CLOSE_FD (evpipe [0]); 2813 EV_WIN32_CLOSE_FD (evpipe [0]);
2089 EV_WIN32_CLOSE_FD (evpipe [1]);
2090 }
2091 2814
2092#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2093 evpipe_init (EV_A); 2815 evpipe_init (EV_A);
2094 /* now iterate over everything, in case we missed something */ 2816 /* iterate over everything, in case we missed something before */
2095 pipecb (EV_A_ &pipe_w, EV_READ); 2817 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2096#endif
2097 } 2818 }
2819#endif
2098 2820
2099 postfork = 0; 2821 postfork = 0;
2100} 2822}
2101 2823
2102#if EV_MULTIPLICITY 2824#if EV_MULTIPLICITY
2103 2825
2104struct ev_loop * ecb_cold 2826struct ev_loop * ecb_cold
2105ev_loop_new (unsigned int flags) 2827ev_loop_new (unsigned int flags) EV_THROW
2106{ 2828{
2107 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2829 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2108 2830
2109 memset (EV_A, 0, sizeof (struct ev_loop)); 2831 memset (EV_A, 0, sizeof (struct ev_loop));
2110 loop_init (EV_A_ flags); 2832 loop_init (EV_A_ flags);
… …
2154} 2876}
2155#endif 2877#endif
2156 2878
2157#if EV_FEATURE_API 2879#if EV_FEATURE_API
2158void ecb_cold 2880void ecb_cold
2159ev_verify (EV_P) 2881ev_verify (EV_P) EV_THROW
2160{ 2882{
2161#if EV_VERIFY 2883#if EV_VERIFY
2162 int i; 2884 int i;
2163 WL w; 2885 WL w, w2;
2164 2886
2165 assert (activecnt >= -1); 2887 assert (activecnt >= -1);
2166 2888
2167 assert (fdchangemax >= fdchangecnt); 2889 assert (fdchangemax >= fdchangecnt);
2168 for (i = 0; i < fdchangecnt; ++i) 2890 for (i = 0; i < fdchangecnt; ++i)
2169 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2891 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2170 2892
2171 assert (anfdmax >= 0); 2893 assert (anfdmax >= 0);
2172 for (i = 0; i < anfdmax; ++i) 2894 for (i = 0; i < anfdmax; ++i)
2895 {
2896 int j = 0;
2897
2173 for (w = anfds [i].head; w; w = w->next) 2898 for (w = w2 = anfds [i].head; w; w = w->next)
2174 { 2899 {
2175 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
2176 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));
2177 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));
2178 } 2910 }
2911 }
2179 2912
2180 assert (timermax >= timercnt); 2913 assert (timermax >= timercnt);
2181 verify_heap (EV_A_ timers, timercnt); 2914 verify_heap (EV_A_ timers, timercnt);
2182 2915
2183#if EV_PERIODIC_ENABLE 2916#if EV_PERIODIC_ENABLE
… …
2233#if EV_MULTIPLICITY 2966#if EV_MULTIPLICITY
2234struct ev_loop * ecb_cold 2967struct ev_loop * ecb_cold
2235#else 2968#else
2236int 2969int
2237#endif 2970#endif
2238ev_default_loop (unsigned int flags) 2971ev_default_loop (unsigned int flags) EV_THROW
2239{ 2972{
2240 if (!ev_default_loop_ptr) 2973 if (!ev_default_loop_ptr)
2241 { 2974 {
2242#if EV_MULTIPLICITY 2975#if EV_MULTIPLICITY
2243 EV_P = ev_default_loop_ptr = &default_loop_struct; 2976 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2262 2995
2263 return ev_default_loop_ptr; 2996 return ev_default_loop_ptr;
2264} 2997}
2265 2998
2266void 2999void
2267ev_loop_fork (EV_P) 3000ev_loop_fork (EV_P) EV_THROW
2268{ 3001{
2269 postfork = 1; /* must be in line with ev_default_fork */ 3002 postfork = 1;
2270} 3003}
2271 3004
2272/*****************************************************************************/ 3005/*****************************************************************************/
2273 3006
2274void 3007void
… …
2276{ 3009{
2277 EV_CB_INVOKE ((W)w, revents); 3010 EV_CB_INVOKE ((W)w, revents);
2278} 3011}
2279 3012
2280unsigned int 3013unsigned int
2281ev_pending_count (EV_P) 3014ev_pending_count (EV_P) EV_THROW
2282{ 3015{
2283 int pri; 3016 int pri;
2284 unsigned int count = 0; 3017 unsigned int count = 0;
2285 3018
2286 for (pri = NUMPRI; pri--; ) 3019 for (pri = NUMPRI; pri--; )
… …
2290} 3023}
2291 3024
2292void noinline 3025void noinline
2293ev_invoke_pending (EV_P) 3026ev_invoke_pending (EV_P)
2294{ 3027{
2295 int pri; 3028 pendingpri = NUMPRI;
2296 3029
2297 for (pri = NUMPRI; pri--; ) 3030 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
3031 {
3032 --pendingpri;
3033
2298 while (pendingcnt [pri]) 3034 while (pendingcnt [pendingpri])
2299 { 3035 {
2300 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 3036 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2301 3037
2302 p->w->pending = 0; 3038 p->w->pending = 0;
2303 EV_CB_INVOKE (p->w, p->events); 3039 EV_CB_INVOKE (p->w, p->events);
2304 EV_FREQUENT_CHECK; 3040 EV_FREQUENT_CHECK;
2305 } 3041 }
3042 }
2306} 3043}
2307 3044
2308#if EV_IDLE_ENABLE 3045#if EV_IDLE_ENABLE
2309/* make idle watchers pending. this handles the "call-idle */ 3046/* make idle watchers pending. this handles the "call-idle */
2310/* only when higher priorities are idle" logic */ 3047/* only when higher priorities are idle" logic */
… …
2400{ 3137{
2401 EV_FREQUENT_CHECK; 3138 EV_FREQUENT_CHECK;
2402 3139
2403 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 3140 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2404 { 3141 {
2405 int feed_count = 0;
2406
2407 do 3142 do
2408 { 3143 {
2409 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 3144 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2410 3145
2411 /*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)));*/
… …
2545 3280
2546 mn_now = ev_rt_now; 3281 mn_now = ev_rt_now;
2547 } 3282 }
2548} 3283}
2549 3284
2550void 3285int
2551ev_run (EV_P_ int flags) 3286ev_run (EV_P_ int flags)
2552{ 3287{
2553#if EV_FEATURE_API 3288#if EV_FEATURE_API
2554 ++loop_depth; 3289 ++loop_depth;
2555#endif 3290#endif
… …
2616 time_update (EV_A_ 1e100); 3351 time_update (EV_A_ 1e100);
2617 3352
2618 /* from now on, we want a pipe-wake-up */ 3353 /* from now on, we want a pipe-wake-up */
2619 pipe_write_wanted = 1; 3354 pipe_write_wanted = 1;
2620 3355
2621 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 */
2622 3357
2623 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 3358 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2624 { 3359 {
2625 waittime = MAX_BLOCKTIME; 3360 waittime = MAX_BLOCKTIME;
2626 3361
… …
2668#endif 3403#endif
2669 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3404 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2670 backend_poll (EV_A_ waittime); 3405 backend_poll (EV_A_ waittime);
2671 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3406 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2672 3407
2673 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ 3408 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2674 3409
3410 ECB_MEMORY_FENCE_ACQUIRE;
2675 if (pipe_write_skipped) 3411 if (pipe_write_skipped)
2676 { 3412 {
2677 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)));
2678 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3414 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2679 } 3415 }
… …
2712 loop_done = EVBREAK_CANCEL; 3448 loop_done = EVBREAK_CANCEL;
2713 3449
2714#if EV_FEATURE_API 3450#if EV_FEATURE_API
2715 --loop_depth; 3451 --loop_depth;
2716#endif 3452#endif
3453
3454 return activecnt;
2717} 3455}
2718 3456
2719void 3457void
2720ev_break (EV_P_ int how) 3458ev_break (EV_P_ int how) EV_THROW
2721{ 3459{
2722 loop_done = how; 3460 loop_done = how;
2723} 3461}
2724 3462
2725void 3463void
2726ev_ref (EV_P) 3464ev_ref (EV_P) EV_THROW
2727{ 3465{
2728 ++activecnt; 3466 ++activecnt;
2729} 3467}
2730 3468
2731void 3469void
2732ev_unref (EV_P) 3470ev_unref (EV_P) EV_THROW
2733{ 3471{
2734 --activecnt; 3472 --activecnt;
2735} 3473}
2736 3474
2737void 3475void
2738ev_now_update (EV_P) 3476ev_now_update (EV_P) EV_THROW
2739{ 3477{
2740 time_update (EV_A_ 1e100); 3478 time_update (EV_A_ 1e100);
2741} 3479}
2742 3480
2743void 3481void
2744ev_suspend (EV_P) 3482ev_suspend (EV_P) EV_THROW
2745{ 3483{
2746 ev_now_update (EV_A); 3484 ev_now_update (EV_A);
2747} 3485}
2748 3486
2749void 3487void
2750ev_resume (EV_P) 3488ev_resume (EV_P) EV_THROW
2751{ 3489{
2752 ev_tstamp mn_prev = mn_now; 3490 ev_tstamp mn_prev = mn_now;
2753 3491
2754 ev_now_update (EV_A); 3492 ev_now_update (EV_A);
2755 timers_reschedule (EV_A_ mn_now - mn_prev); 3493 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
2794 w->pending = 0; 3532 w->pending = 0;
2795 } 3533 }
2796} 3534}
2797 3535
2798int 3536int
2799ev_clear_pending (EV_P_ void *w) 3537ev_clear_pending (EV_P_ void *w) EV_THROW
2800{ 3538{
2801 W w_ = (W)w; 3539 W w_ = (W)w;
2802 int pending = w_->pending; 3540 int pending = w_->pending;
2803 3541
2804 if (expect_true (pending)) 3542 if (expect_true (pending))
… …
2837} 3575}
2838 3576
2839/*****************************************************************************/ 3577/*****************************************************************************/
2840 3578
2841void noinline 3579void noinline
2842ev_io_start (EV_P_ ev_io *w) 3580ev_io_start (EV_P_ ev_io *w) EV_THROW
2843{ 3581{
2844 int fd = w->fd; 3582 int fd = w->fd;
2845 3583
2846 if (expect_false (ev_is_active (w))) 3584 if (expect_false (ev_is_active (w)))
2847 return; 3585 return;
… …
2853 3591
2854 ev_start (EV_A_ (W)w, 1); 3592 ev_start (EV_A_ (W)w, 1);
2855 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3593 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2856 wlist_add (&anfds[fd].head, (WL)w); 3594 wlist_add (&anfds[fd].head, (WL)w);
2857 3595
3596 /* common bug, apparently */
3597 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3598
2858 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);
2859 w->events &= ~EV__IOFDSET; 3600 w->events &= ~EV__IOFDSET;
2860 3601
2861 EV_FREQUENT_CHECK; 3602 EV_FREQUENT_CHECK;
2862} 3603}
2863 3604
2864void noinline 3605void noinline
2865ev_io_stop (EV_P_ ev_io *w) 3606ev_io_stop (EV_P_ ev_io *w) EV_THROW
2866{ 3607{
2867 clear_pending (EV_A_ (W)w); 3608 clear_pending (EV_A_ (W)w);
2868 if (expect_false (!ev_is_active (w))) 3609 if (expect_false (!ev_is_active (w)))
2869 return; 3610 return;
2870 3611
… …
2879 3620
2880 EV_FREQUENT_CHECK; 3621 EV_FREQUENT_CHECK;
2881} 3622}
2882 3623
2883void noinline 3624void noinline
2884ev_timer_start (EV_P_ ev_timer *w) 3625ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2885{ 3626{
2886 if (expect_false (ev_is_active (w))) 3627 if (expect_false (ev_is_active (w)))
2887 return; 3628 return;
2888 3629
2889 ev_at (w) += mn_now; 3630 ev_at (w) += mn_now;
… …
2903 3644
2904 /*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));*/
2905} 3646}
2906 3647
2907void noinline 3648void noinline
2908ev_timer_stop (EV_P_ ev_timer *w) 3649ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2909{ 3650{
2910 clear_pending (EV_A_ (W)w); 3651 clear_pending (EV_A_ (W)w);
2911 if (expect_false (!ev_is_active (w))) 3652 if (expect_false (!ev_is_active (w)))
2912 return; 3653 return;
2913 3654
… …
2933 3674
2934 EV_FREQUENT_CHECK; 3675 EV_FREQUENT_CHECK;
2935} 3676}
2936 3677
2937void noinline 3678void noinline
2938ev_timer_again (EV_P_ ev_timer *w) 3679ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2939{ 3680{
2940 EV_FREQUENT_CHECK; 3681 EV_FREQUENT_CHECK;
3682
3683 clear_pending (EV_A_ (W)w);
2941 3684
2942 if (ev_is_active (w)) 3685 if (ev_is_active (w))
2943 { 3686 {
2944 if (w->repeat) 3687 if (w->repeat)
2945 { 3688 {
… …
2958 3701
2959 EV_FREQUENT_CHECK; 3702 EV_FREQUENT_CHECK;
2960} 3703}
2961 3704
2962ev_tstamp 3705ev_tstamp
2963ev_timer_remaining (EV_P_ ev_timer *w) 3706ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2964{ 3707{
2965 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3708 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2966} 3709}
2967 3710
2968#if EV_PERIODIC_ENABLE 3711#if EV_PERIODIC_ENABLE
2969void noinline 3712void noinline
2970ev_periodic_start (EV_P_ ev_periodic *w) 3713ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2971{ 3714{
2972 if (expect_false (ev_is_active (w))) 3715 if (expect_false (ev_is_active (w)))
2973 return; 3716 return;
2974 3717
2975 if (w->reschedule_cb) 3718 if (w->reschedule_cb)
… …
2995 3738
2996 /*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));*/
2997} 3740}
2998 3741
2999void noinline 3742void noinline
3000ev_periodic_stop (EV_P_ ev_periodic *w) 3743ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3001{ 3744{
3002 clear_pending (EV_A_ (W)w); 3745 clear_pending (EV_A_ (W)w);
3003 if (expect_false (!ev_is_active (w))) 3746 if (expect_false (!ev_is_active (w)))
3004 return; 3747 return;
3005 3748
… …
3023 3766
3024 EV_FREQUENT_CHECK; 3767 EV_FREQUENT_CHECK;
3025} 3768}
3026 3769
3027void noinline 3770void noinline
3028ev_periodic_again (EV_P_ ev_periodic *w) 3771ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3029{ 3772{
3030 /* TODO: use adjustheap and recalculation */ 3773 /* TODO: use adjustheap and recalculation */
3031 ev_periodic_stop (EV_A_ w); 3774 ev_periodic_stop (EV_A_ w);
3032 ev_periodic_start (EV_A_ w); 3775 ev_periodic_start (EV_A_ w);
3033} 3776}
… …
3038#endif 3781#endif
3039 3782
3040#if EV_SIGNAL_ENABLE 3783#if EV_SIGNAL_ENABLE
3041 3784
3042void noinline 3785void noinline
3043ev_signal_start (EV_P_ ev_signal *w) 3786ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3044{ 3787{
3045 if (expect_false (ev_is_active (w))) 3788 if (expect_false (ev_is_active (w)))
3046 return; 3789 return;
3047 3790
3048 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));
… …
3050#if EV_MULTIPLICITY 3793#if EV_MULTIPLICITY
3051 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",
3052 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); 3795 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3053 3796
3054 signals [w->signum - 1].loop = EV_A; 3797 signals [w->signum - 1].loop = EV_A;
3798 ECB_MEMORY_FENCE_RELEASE;
3055#endif 3799#endif
3056 3800
3057 EV_FREQUENT_CHECK; 3801 EV_FREQUENT_CHECK;
3058 3802
3059#if EV_USE_SIGNALFD 3803#if EV_USE_SIGNALFD
… …
3119 3863
3120 EV_FREQUENT_CHECK; 3864 EV_FREQUENT_CHECK;
3121} 3865}
3122 3866
3123void noinline 3867void noinline
3124ev_signal_stop (EV_P_ ev_signal *w) 3868ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3125{ 3869{
3126 clear_pending (EV_A_ (W)w); 3870 clear_pending (EV_A_ (W)w);
3127 if (expect_false (!ev_is_active (w))) 3871 if (expect_false (!ev_is_active (w)))
3128 return; 3872 return;
3129 3873
… …
3160#endif 3904#endif
3161 3905
3162#if EV_CHILD_ENABLE 3906#if EV_CHILD_ENABLE
3163 3907
3164void 3908void
3165ev_child_start (EV_P_ ev_child *w) 3909ev_child_start (EV_P_ ev_child *w) EV_THROW
3166{ 3910{
3167#if EV_MULTIPLICITY 3911#if EV_MULTIPLICITY
3168 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));
3169#endif 3913#endif
3170 if (expect_false (ev_is_active (w))) 3914 if (expect_false (ev_is_active (w)))
… …
3177 3921
3178 EV_FREQUENT_CHECK; 3922 EV_FREQUENT_CHECK;
3179} 3923}
3180 3924
3181void 3925void
3182ev_child_stop (EV_P_ ev_child *w) 3926ev_child_stop (EV_P_ ev_child *w) EV_THROW
3183{ 3927{
3184 clear_pending (EV_A_ (W)w); 3928 clear_pending (EV_A_ (W)w);
3185 if (expect_false (!ev_is_active (w))) 3929 if (expect_false (!ev_is_active (w)))
3186 return; 3930 return;
3187 3931
… …
3214# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 3958# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3215 3959
3216static void noinline 3960static void noinline
3217infy_add (EV_P_ ev_stat *w) 3961infy_add (EV_P_ ev_stat *w)
3218{ 3962{
3219 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);
3220 3967
3221 if (w->wd >= 0) 3968 if (w->wd >= 0)
3222 { 3969 {
3223 struct statfs sfs; 3970 struct statfs sfs;
3224 3971
… …
3228 3975
3229 if (!fs_2625) 3976 if (!fs_2625)
3230 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; 3977 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3231 else if (!statfs (w->path, &sfs) 3978 else if (!statfs (w->path, &sfs)
3232 && (sfs.f_type == 0x1373 /* devfs */ 3979 && (sfs.f_type == 0x1373 /* devfs */
3980 || sfs.f_type == 0x4006 /* fat */
3981 || sfs.f_type == 0x4d44 /* msdos */
3233 || 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 */
3234 || sfs.f_type == 0x3153464a /* jfs */ 3986 || sfs.f_type == 0x3153464a /* jfs */
3987 || sfs.f_type == 0x9123683e /* btrfs */
3235 || sfs.f_type == 0x52654973 /* reiser3 */ 3988 || sfs.f_type == 0x52654973 /* reiser3 */
3236 || sfs.f_type == 0x01021994 /* tempfs */ 3989 || sfs.f_type == 0x01021994 /* tmpfs */
3237 || sfs.f_type == 0x58465342 /* xfs */)) 3990 || sfs.f_type == 0x58465342 /* xfs */))
3238 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ 3991 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3239 else 3992 else
3240 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 */
3241 } 3994 }
… …
3354} 4107}
3355 4108
3356inline_size int 4109inline_size int
3357infy_newfd (void) 4110infy_newfd (void)
3358{ 4111{
3359#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 4112#if defined IN_CLOEXEC && defined IN_NONBLOCK
3360 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 4113 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3361 if (fd >= 0) 4114 if (fd >= 0)
3362 return fd; 4115 return fd;
3363#endif 4116#endif
3364 return inotify_init (); 4117 return inotify_init ();
… …
3439#else 4192#else
3440# define EV_LSTAT(p,b) lstat (p, b) 4193# define EV_LSTAT(p,b) lstat (p, b)
3441#endif 4194#endif
3442 4195
3443void 4196void
3444ev_stat_stat (EV_P_ ev_stat *w) 4197ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3445{ 4198{
3446 if (lstat (w->path, &w->attr) < 0) 4199 if (lstat (w->path, &w->attr) < 0)
3447 w->attr.st_nlink = 0; 4200 w->attr.st_nlink = 0;
3448 else if (!w->attr.st_nlink) 4201 else if (!w->attr.st_nlink)
3449 w->attr.st_nlink = 1; 4202 w->attr.st_nlink = 1;
… …
3488 ev_feed_event (EV_A_ w, EV_STAT); 4241 ev_feed_event (EV_A_ w, EV_STAT);
3489 } 4242 }
3490} 4243}
3491 4244
3492void 4245void
3493ev_stat_start (EV_P_ ev_stat *w) 4246ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3494{ 4247{
3495 if (expect_false (ev_is_active (w))) 4248 if (expect_false (ev_is_active (w)))
3496 return; 4249 return;
3497 4250
3498 ev_stat_stat (EV_A_ w); 4251 ev_stat_stat (EV_A_ w);
… …
3519 4272
3520 EV_FREQUENT_CHECK; 4273 EV_FREQUENT_CHECK;
3521} 4274}
3522 4275
3523void 4276void
3524ev_stat_stop (EV_P_ ev_stat *w) 4277ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3525{ 4278{
3526 clear_pending (EV_A_ (W)w); 4279 clear_pending (EV_A_ (W)w);
3527 if (expect_false (!ev_is_active (w))) 4280 if (expect_false (!ev_is_active (w)))
3528 return; 4281 return;
3529 4282
… …
3545} 4298}
3546#endif 4299#endif
3547 4300
3548#if EV_IDLE_ENABLE 4301#if EV_IDLE_ENABLE
3549void 4302void
3550ev_idle_start (EV_P_ ev_idle *w) 4303ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3551{ 4304{
3552 if (expect_false (ev_is_active (w))) 4305 if (expect_false (ev_is_active (w)))
3553 return; 4306 return;
3554 4307
3555 pri_adjust (EV_A_ (W)w); 4308 pri_adjust (EV_A_ (W)w);
… …
3568 4321
3569 EV_FREQUENT_CHECK; 4322 EV_FREQUENT_CHECK;
3570} 4323}
3571 4324
3572void 4325void
3573ev_idle_stop (EV_P_ ev_idle *w) 4326ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3574{ 4327{
3575 clear_pending (EV_A_ (W)w); 4328 clear_pending (EV_A_ (W)w);
3576 if (expect_false (!ev_is_active (w))) 4329 if (expect_false (!ev_is_active (w)))
3577 return; 4330 return;
3578 4331
… …
3592} 4345}
3593#endif 4346#endif
3594 4347
3595#if EV_PREPARE_ENABLE 4348#if EV_PREPARE_ENABLE
3596void 4349void
3597ev_prepare_start (EV_P_ ev_prepare *w) 4350ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3598{ 4351{
3599 if (expect_false (ev_is_active (w))) 4352 if (expect_false (ev_is_active (w)))
3600 return; 4353 return;
3601 4354
3602 EV_FREQUENT_CHECK; 4355 EV_FREQUENT_CHECK;
… …
3607 4360
3608 EV_FREQUENT_CHECK; 4361 EV_FREQUENT_CHECK;
3609} 4362}
3610 4363
3611void 4364void
3612ev_prepare_stop (EV_P_ ev_prepare *w) 4365ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3613{ 4366{
3614 clear_pending (EV_A_ (W)w); 4367 clear_pending (EV_A_ (W)w);
3615 if (expect_false (!ev_is_active (w))) 4368 if (expect_false (!ev_is_active (w)))
3616 return; 4369 return;
3617 4370
… …
3630} 4383}
3631#endif 4384#endif
3632 4385
3633#if EV_CHECK_ENABLE 4386#if EV_CHECK_ENABLE
3634void 4387void
3635ev_check_start (EV_P_ ev_check *w) 4388ev_check_start (EV_P_ ev_check *w) EV_THROW
3636{ 4389{
3637 if (expect_false (ev_is_active (w))) 4390 if (expect_false (ev_is_active (w)))
3638 return; 4391 return;
3639 4392
3640 EV_FREQUENT_CHECK; 4393 EV_FREQUENT_CHECK;
… …
3645 4398
3646 EV_FREQUENT_CHECK; 4399 EV_FREQUENT_CHECK;
3647} 4400}
3648 4401
3649void 4402void
3650ev_check_stop (EV_P_ ev_check *w) 4403ev_check_stop (EV_P_ ev_check *w) EV_THROW
3651{ 4404{
3652 clear_pending (EV_A_ (W)w); 4405 clear_pending (EV_A_ (W)w);
3653 if (expect_false (!ev_is_active (w))) 4406 if (expect_false (!ev_is_active (w)))
3654 return; 4407 return;
3655 4408
… …
3668} 4421}
3669#endif 4422#endif
3670 4423
3671#if EV_EMBED_ENABLE 4424#if EV_EMBED_ENABLE
3672void noinline 4425void noinline
3673ev_embed_sweep (EV_P_ ev_embed *w) 4426ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3674{ 4427{
3675 ev_run (w->other, EVRUN_NOWAIT); 4428 ev_run (w->other, EVRUN_NOWAIT);
3676} 4429}
3677 4430
3678static void 4431static void
… …
3726 ev_idle_stop (EV_A_ idle); 4479 ev_idle_stop (EV_A_ idle);
3727} 4480}
3728#endif 4481#endif
3729 4482
3730void 4483void
3731ev_embed_start (EV_P_ ev_embed *w) 4484ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3732{ 4485{
3733 if (expect_false (ev_is_active (w))) 4486 if (expect_false (ev_is_active (w)))
3734 return; 4487 return;
3735 4488
3736 { 4489 {
… …
3757 4510
3758 EV_FREQUENT_CHECK; 4511 EV_FREQUENT_CHECK;
3759} 4512}
3760 4513
3761void 4514void
3762ev_embed_stop (EV_P_ ev_embed *w) 4515ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3763{ 4516{
3764 clear_pending (EV_A_ (W)w); 4517 clear_pending (EV_A_ (W)w);
3765 if (expect_false (!ev_is_active (w))) 4518 if (expect_false (!ev_is_active (w)))
3766 return; 4519 return;
3767 4520
… …
3777} 4530}
3778#endif 4531#endif
3779 4532
3780#if EV_FORK_ENABLE 4533#if EV_FORK_ENABLE
3781void 4534void
3782ev_fork_start (EV_P_ ev_fork *w) 4535ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3783{ 4536{
3784 if (expect_false (ev_is_active (w))) 4537 if (expect_false (ev_is_active (w)))
3785 return; 4538 return;
3786 4539
3787 EV_FREQUENT_CHECK; 4540 EV_FREQUENT_CHECK;
… …
3792 4545
3793 EV_FREQUENT_CHECK; 4546 EV_FREQUENT_CHECK;
3794} 4547}
3795 4548
3796void 4549void
3797ev_fork_stop (EV_P_ ev_fork *w) 4550ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3798{ 4551{
3799 clear_pending (EV_A_ (W)w); 4552 clear_pending (EV_A_ (W)w);
3800 if (expect_false (!ev_is_active (w))) 4553 if (expect_false (!ev_is_active (w)))
3801 return; 4554 return;
3802 4555
… …
3815} 4568}
3816#endif 4569#endif
3817 4570
3818#if EV_CLEANUP_ENABLE 4571#if EV_CLEANUP_ENABLE
3819void 4572void
3820ev_cleanup_start (EV_P_ ev_cleanup *w) 4573ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3821{ 4574{
3822 if (expect_false (ev_is_active (w))) 4575 if (expect_false (ev_is_active (w)))
3823 return; 4576 return;
3824 4577
3825 EV_FREQUENT_CHECK; 4578 EV_FREQUENT_CHECK;
… …
3832 ev_unref (EV_A); 4585 ev_unref (EV_A);
3833 EV_FREQUENT_CHECK; 4586 EV_FREQUENT_CHECK;
3834} 4587}
3835 4588
3836void 4589void
3837ev_cleanup_stop (EV_P_ ev_cleanup *w) 4590ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3838{ 4591{
3839 clear_pending (EV_A_ (W)w); 4592 clear_pending (EV_A_ (W)w);
3840 if (expect_false (!ev_is_active (w))) 4593 if (expect_false (!ev_is_active (w)))
3841 return; 4594 return;
3842 4595
… …
3856} 4609}
3857#endif 4610#endif
3858 4611
3859#if EV_ASYNC_ENABLE 4612#if EV_ASYNC_ENABLE
3860void 4613void
3861ev_async_start (EV_P_ ev_async *w) 4614ev_async_start (EV_P_ ev_async *w) EV_THROW
3862{ 4615{
3863 if (expect_false (ev_is_active (w))) 4616 if (expect_false (ev_is_active (w)))
3864 return; 4617 return;
3865 4618
3866 w->sent = 0; 4619 w->sent = 0;
… …
3875 4628
3876 EV_FREQUENT_CHECK; 4629 EV_FREQUENT_CHECK;
3877} 4630}
3878 4631
3879void 4632void
3880ev_async_stop (EV_P_ ev_async *w) 4633ev_async_stop (EV_P_ ev_async *w) EV_THROW
3881{ 4634{
3882 clear_pending (EV_A_ (W)w); 4635 clear_pending (EV_A_ (W)w);
3883 if (expect_false (!ev_is_active (w))) 4636 if (expect_false (!ev_is_active (w)))
3884 return; 4637 return;
3885 4638
… …
3896 4649
3897 EV_FREQUENT_CHECK; 4650 EV_FREQUENT_CHECK;
3898} 4651}
3899 4652
3900void 4653void
3901ev_async_send (EV_P_ ev_async *w) 4654ev_async_send (EV_P_ ev_async *w) EV_THROW
3902{ 4655{
3903 w->sent = 1; 4656 w->sent = 1;
3904 evpipe_write (EV_A_ &async_pending); 4657 evpipe_write (EV_A_ &async_pending);
3905} 4658}
3906#endif 4659#endif
… …
3943 4696
3944 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));
3945} 4698}
3946 4699
3947void 4700void
3948ev_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
3949{ 4702{
3950 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));
3951 4704
3952 if (expect_false (!once)) 4705 if (expect_false (!once))
3953 { 4706 {
… …
3975 4728
3976/*****************************************************************************/ 4729/*****************************************************************************/
3977 4730
3978#if EV_WALK_ENABLE 4731#if EV_WALK_ENABLE
3979void ecb_cold 4732void ecb_cold
3980ev_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
3981{ 4734{
3982 int i, j; 4735 int i, j;
3983 ev_watcher_list *wl, *wn; 4736 ev_watcher_list *wl, *wn;
3984 4737
3985 if (types & (EV_IO | EV_EMBED)) 4738 if (types & (EV_IO | EV_EMBED))
… …
4028 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); 4781 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
4029#endif 4782#endif
4030 4783
4031#if EV_IDLE_ENABLE 4784#if EV_IDLE_ENABLE
4032 if (types & EV_IDLE) 4785 if (types & EV_IDLE)
4033 for (j = NUMPRI; i--; ) 4786 for (j = NUMPRI; j--; )
4034 for (i = idlecnt [j]; i--; ) 4787 for (i = idlecnt [j]; i--; )
4035 cb (EV_A_ EV_IDLE, idles [j][i]); 4788 cb (EV_A_ EV_IDLE, idles [j][i]);
4036#endif 4789#endif
4037 4790
4038#if EV_FORK_ENABLE 4791#if EV_FORK_ENABLE
… …
4091 4844
4092#if EV_MULTIPLICITY 4845#if EV_MULTIPLICITY
4093 #include "ev_wrap.h" 4846 #include "ev_wrap.h"
4094#endif 4847#endif
4095 4848
4096EV_CPP(})
4097

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