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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 1.490 by root, Thu Jun 20 22:44:59 2019 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) 2007-2019 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 *
… …
43# include EV_CONFIG_H 43# include EV_CONFIG_H
44# else 44# else
45# include "config.h" 45# include "config.h"
46# endif 46# endif
47 47
48#if HAVE_FLOOR 48# if HAVE_FLOOR
49# ifndef EV_USE_FLOOR 49# ifndef EV_USE_FLOOR
50# define EV_USE_FLOOR 1 50# define EV_USE_FLOOR 1
51# endif
51# endif 52# endif
52#endif
53 53
54# if HAVE_CLOCK_SYSCALL 54# if HAVE_CLOCK_SYSCALL
55# ifndef EV_USE_CLOCK_SYSCALL 55# ifndef EV_USE_CLOCK_SYSCALL
56# define EV_USE_CLOCK_SYSCALL 1 56# define EV_USE_CLOCK_SYSCALL 1
57# ifndef EV_USE_REALTIME 57# ifndef EV_USE_REALTIME
… …
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
… …
162# define EV_USE_EVENTFD 0 162# define EV_USE_EVENTFD 0
163# endif 163# endif
164 164
165#endif 165#endif
166 166
167/* OS X, in its infinite idiocy, actually HARDCODES
168 * a limit of 1024 into their select. Where people have brains,
169 * OS X engineers apparently have a vacuum. Or maybe they were
170 * ordered to have a vacuum, or they do anything for money.
171 * This might help. Or not.
172 * Note that this must be defined early, as other include files
173 * will rely on this define as well.
174 */
175#define _DARWIN_UNLIMITED_SELECT 1
176
167#include <stdlib.h> 177#include <stdlib.h>
168#include <string.h> 178#include <string.h>
169#include <fcntl.h> 179#include <fcntl.h>
170#include <stddef.h> 180#include <stddef.h>
171 181
… …
183# include EV_H 193# include EV_H
184#else 194#else
185# include "ev.h" 195# include "ev.h"
186#endif 196#endif
187 197
188EV_CPP(extern "C" {) 198#if EV_NO_THREADS
199# undef EV_NO_SMP
200# define EV_NO_SMP 1
201# undef ECB_NO_THREADS
202# define ECB_NO_THREADS 1
203#endif
204#if EV_NO_SMP
205# undef EV_NO_SMP
206# define ECB_NO_SMP 1
207#endif
189 208
190#ifndef _WIN32 209#ifndef _WIN32
191# include <sys/time.h> 210# include <sys/time.h>
192# include <sys/wait.h> 211# include <sys/wait.h>
193# include <unistd.h> 212# include <unistd.h>
194#else 213#else
195# include <io.h> 214# include <io.h>
196# define WIN32_LEAN_AND_MEAN 215# define WIN32_LEAN_AND_MEAN
216# include <winsock2.h>
197# include <windows.h> 217# include <windows.h>
198# ifndef EV_SELECT_IS_WINSOCKET 218# ifndef EV_SELECT_IS_WINSOCKET
199# define EV_SELECT_IS_WINSOCKET 1 219# define EV_SELECT_IS_WINSOCKET 1
200# endif 220# endif
201# undef EV_AVOID_STDIO 221# undef EV_AVOID_STDIO
202#endif 222#endif
203 223
204/* OS X, in its infinite idiocy, actually HARDCODES
205 * a limit of 1024 into their select. Where people have brains,
206 * OS X engineers apparently have a vacuum. Or maybe they were
207 * ordered to have a vacuum, or they do anything for money.
208 * This might help. Or not.
209 */
210#define _DARWIN_UNLIMITED_SELECT 1
211
212/* this block tries to deduce configuration from header-defined symbols and defaults */ 224/* this block tries to deduce configuration from header-defined symbols and defaults */
213 225
214/* try to deduce the maximum number of signals on this platform */ 226/* try to deduce the maximum number of signals on this platform */
215#if defined (EV_NSIG) 227#if defined EV_NSIG
216/* use what's provided */ 228/* use what's provided */
217#elif defined (NSIG) 229#elif defined NSIG
218# define EV_NSIG (NSIG) 230# define EV_NSIG (NSIG)
219#elif defined(_NSIG) 231#elif defined _NSIG
220# define EV_NSIG (_NSIG) 232# define EV_NSIG (_NSIG)
221#elif defined (SIGMAX) 233#elif defined SIGMAX
222# define EV_NSIG (SIGMAX+1) 234# define EV_NSIG (SIGMAX+1)
223#elif defined (SIG_MAX) 235#elif defined SIG_MAX
224# define EV_NSIG (SIG_MAX+1) 236# define EV_NSIG (SIG_MAX+1)
225#elif defined (_SIG_MAX) 237#elif defined _SIG_MAX
226# define EV_NSIG (_SIG_MAX+1) 238# define EV_NSIG (_SIG_MAX+1)
227#elif defined (MAXSIG) 239#elif defined MAXSIG
228# define EV_NSIG (MAXSIG+1) 240# define EV_NSIG (MAXSIG+1)
229#elif defined (MAX_SIG) 241#elif defined MAX_SIG
230# define EV_NSIG (MAX_SIG+1) 242# define EV_NSIG (MAX_SIG+1)
231#elif defined (SIGARRAYSIZE) 243#elif defined SIGARRAYSIZE
232# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 244# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233#elif defined (_sys_nsig) 245#elif defined _sys_nsig
234# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 246# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235#else 247#else
236# error "unable to find value for NSIG, please report" 248# 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 249#endif
241 250
242#ifndef EV_USE_FLOOR 251#ifndef EV_USE_FLOOR
243# define EV_USE_FLOOR 0 252# define EV_USE_FLOOR 0
244#endif 253#endif
245 254
246#ifndef EV_USE_CLOCK_SYSCALL 255#ifndef EV_USE_CLOCK_SYSCALL
247# if __linux && __GLIBC__ >= 2 256# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
248# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS 257# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
249# else 258# else
250# define EV_USE_CLOCK_SYSCALL 0 259# define EV_USE_CLOCK_SYSCALL 0
251# endif 260# endif
252#endif 261#endif
253 262
263#if !(_POSIX_TIMERS > 0)
264# ifndef EV_USE_MONOTONIC
265# define EV_USE_MONOTONIC 0
266# endif
267# ifndef EV_USE_REALTIME
268# define EV_USE_REALTIME 0
269# endif
270#endif
271
254#ifndef EV_USE_MONOTONIC 272#ifndef EV_USE_MONOTONIC
255# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 273# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256# define EV_USE_MONOTONIC EV_FEATURE_OS 274# define EV_USE_MONOTONIC EV_FEATURE_OS
257# else 275# else
258# define EV_USE_MONOTONIC 0 276# define EV_USE_MONOTONIC 0
259# endif 277# endif
260#endif 278#endif
… …
297 315
298#ifndef EV_USE_PORT 316#ifndef EV_USE_PORT
299# define EV_USE_PORT 0 317# define EV_USE_PORT 0
300#endif 318#endif
301 319
320#ifndef EV_USE_LINUXAIO
321# define EV_USE_LINUXAIO 0
322#endif
323
302#ifndef EV_USE_INOTIFY 324#ifndef EV_USE_INOTIFY
303# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 325# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
304# define EV_USE_INOTIFY EV_FEATURE_OS 326# define EV_USE_INOTIFY EV_FEATURE_OS
305# else 327# else
306# define EV_USE_INOTIFY 0 328# define EV_USE_INOTIFY 0
… …
347 369
348#ifndef EV_HEAP_CACHE_AT 370#ifndef EV_HEAP_CACHE_AT
349# define EV_HEAP_CACHE_AT EV_FEATURE_DATA 371# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350#endif 372#endif
351 373
374#ifdef __ANDROID__
375/* supposedly, android doesn't typedef fd_mask */
376# undef EV_USE_SELECT
377# define EV_USE_SELECT 0
378/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
379# undef EV_USE_CLOCK_SYSCALL
380# define EV_USE_CLOCK_SYSCALL 0
381#endif
382
383/* aix's poll.h seems to cause lots of trouble */
384#ifdef _AIX
385/* AIX has a completely broken poll.h header */
386# undef EV_USE_POLL
387# define EV_USE_POLL 0
388#endif
389
390#if EV_USE_LINUXAIO
391# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
392#endif
393
352/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 394/* 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. */ 395/* which makes programs even slower. might work on other unices, too. */
354#if EV_USE_CLOCK_SYSCALL 396#if EV_USE_CLOCK_SYSCALL
355# include <syscall.h> 397# include <sys/syscall.h>
356# ifdef SYS_clock_gettime 398# ifdef SYS_clock_gettime
357# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 399# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358# undef EV_USE_MONOTONIC 400# undef EV_USE_MONOTONIC
359# define EV_USE_MONOTONIC 1 401# define EV_USE_MONOTONIC 1
360# else 402# else
… …
363# endif 405# endif
364#endif 406#endif
365 407
366/* this block fixes any misconfiguration where we know we run into trouble otherwise */ 408/* this block fixes any misconfiguration where we know we run into trouble otherwise */
367 409
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 410#ifndef CLOCK_MONOTONIC
375# undef EV_USE_MONOTONIC 411# undef EV_USE_MONOTONIC
376# define EV_USE_MONOTONIC 0 412# define EV_USE_MONOTONIC 0
377#endif 413#endif
378 414
… …
386# define EV_USE_INOTIFY 0 422# define EV_USE_INOTIFY 0
387#endif 423#endif
388 424
389#if !EV_USE_NANOSLEEP 425#if !EV_USE_NANOSLEEP
390/* hp-ux has it in sys/time.h, which we unconditionally include above */ 426/* hp-ux has it in sys/time.h, which we unconditionally include above */
391# if !defined(_WIN32) && !defined(__hpux) 427# if !defined _WIN32 && !defined __hpux
392# include <sys/select.h> 428# include <sys/select.h>
393# endif 429# endif
394#endif 430#endif
395 431
396#if EV_USE_INOTIFY 432#if EV_USE_INOTIFY
… …
399/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 435/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400# ifndef IN_DONT_FOLLOW 436# ifndef IN_DONT_FOLLOW
401# undef EV_USE_INOTIFY 437# undef EV_USE_INOTIFY
402# define EV_USE_INOTIFY 0 438# define EV_USE_INOTIFY 0
403# endif 439# endif
404#endif
405
406#if EV_SELECT_IS_WINSOCKET
407# include <winsock.h>
408#endif 440#endif
409 441
410#if EV_USE_EVENTFD 442#if EV_USE_EVENTFD
411/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 443/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412# include <stdint.h> 444# include <stdint.h>
… …
464#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 496#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465 497
466#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) 498#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) 499#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468 500
469/* the following are taken from libecb */ 501/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470/* ecb.h start */ 502/* ECB.H BEGIN */
503/*
504 * libecb - http://software.schmorp.de/pkg/libecb
505 *
506 * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
507 * Copyright (©) 2011 Emanuele Giaquinta
508 * All rights reserved.
509 *
510 * Redistribution and use in source and binary forms, with or without modifica-
511 * tion, are permitted provided that the following conditions are met:
512 *
513 * 1. Redistributions of source code must retain the above copyright notice,
514 * this list of conditions and the following disclaimer.
515 *
516 * 2. Redistributions in binary form must reproduce the above copyright
517 * notice, this list of conditions and the following disclaimer in the
518 * documentation and/or other materials provided with the distribution.
519 *
520 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
521 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
522 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
523 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
524 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
525 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
526 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
527 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
528 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
529 * OF THE POSSIBILITY OF SUCH DAMAGE.
530 *
531 * Alternatively, the contents of this file may be used under the terms of
532 * the GNU General Public License ("GPL") version 2 or any later version,
533 * in which case the provisions of the GPL are applicable instead of
534 * the above. If you wish to allow the use of your version of this file
535 * only under the terms of the GPL and not to allow others to use your
536 * version of this file under the BSD license, indicate your decision
537 * by deleting the provisions above and replace them with the notice
538 * and other provisions required by the GPL. If you do not delete the
539 * provisions above, a recipient may use your version of this file under
540 * either the BSD or the GPL.
541 */
542
543#ifndef ECB_H
544#define ECB_H
545
546/* 16 bits major, 16 bits minor */
547#define ECB_VERSION 0x00010005
548
549#ifdef _WIN32
550 typedef signed char int8_t;
551 typedef unsigned char uint8_t;
552 typedef signed short int16_t;
553 typedef unsigned short uint16_t;
554 typedef signed int int32_t;
555 typedef unsigned int uint32_t;
556 #if __GNUC__
557 typedef signed long long int64_t;
558 typedef unsigned long long uint64_t;
559 #else /* _MSC_VER || __BORLANDC__ */
560 typedef signed __int64 int64_t;
561 typedef unsigned __int64 uint64_t;
562 #endif
563 #ifdef _WIN64
564 #define ECB_PTRSIZE 8
565 typedef uint64_t uintptr_t;
566 typedef int64_t intptr_t;
567 #else
568 #define ECB_PTRSIZE 4
569 typedef uint32_t uintptr_t;
570 typedef int32_t intptr_t;
571 #endif
572#else
573 #include <inttypes.h>
574 #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
575 #define ECB_PTRSIZE 8
576 #else
577 #define ECB_PTRSIZE 4
578 #endif
579#endif
580
581#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
582#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
583
584/* work around x32 idiocy by defining proper macros */
585#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
586 #if _ILP32
587 #define ECB_AMD64_X32 1
588 #else
589 #define ECB_AMD64 1
590 #endif
591#endif
471 592
472/* many compilers define _GNUC_ to some versions but then only implement 593/* many compilers define _GNUC_ to some versions but then only implement
473 * what their idiot authors think are the "more important" extensions, 594 * what their idiot authors think are the "more important" extensions,
474 * causing enourmous grief in return for some better fake benchmark numbers. 595 * causing enormous grief in return for some better fake benchmark numbers.
475 * or so. 596 * or so.
476 * we try to detect these and simply assume they are not gcc - if they have 597 * 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. 598 * an issue with that they should have done it right in the first place.
478 */ 599 */
479#ifndef ECB_GCC_VERSION
480 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 600#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
481 #define ECB_GCC_VERSION(major,minor) 0 601 #define ECB_GCC_VERSION(major,minor) 0
482 #else 602#else
483 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 603 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
604#endif
605
606#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
607
608#if __clang__ && defined __has_builtin
609 #define ECB_CLANG_BUILTIN(x) __has_builtin (x)
610#else
611 #define ECB_CLANG_BUILTIN(x) 0
612#endif
613
614#if __clang__ && defined __has_extension
615 #define ECB_CLANG_EXTENSION(x) __has_extension (x)
616#else
617 #define ECB_CLANG_EXTENSION(x) 0
618#endif
619
620#define ECB_CPP (__cplusplus+0)
621#define ECB_CPP11 (__cplusplus >= 201103L)
622#define ECB_CPP14 (__cplusplus >= 201402L)
623#define ECB_CPP17 (__cplusplus >= 201703L)
624
625#if ECB_CPP
626 #define ECB_C 0
627 #define ECB_STDC_VERSION 0
628#else
629 #define ECB_C 1
630 #define ECB_STDC_VERSION __STDC_VERSION__
631#endif
632
633#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
634#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
635#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
636
637#if ECB_CPP
638 #define ECB_EXTERN_C extern "C"
639 #define ECB_EXTERN_C_BEG ECB_EXTERN_C {
640 #define ECB_EXTERN_C_END }
641#else
642 #define ECB_EXTERN_C extern
643 #define ECB_EXTERN_C_BEG
644 #define ECB_EXTERN_C_END
645#endif
646
647/*****************************************************************************/
648
649/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
650/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
651
652#if ECB_NO_THREADS
653 #define ECB_NO_SMP 1
654#endif
655
656#if ECB_NO_SMP
657 #define ECB_MEMORY_FENCE do { } while (0)
658#endif
659
660/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
661#if __xlC__ && ECB_CPP
662 #include <builtins.h>
663#endif
664
665#if 1400 <= _MSC_VER
666 #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
667#endif
668
669#ifndef ECB_MEMORY_FENCE
670 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
671 #if __i386 || __i386__
672 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
673 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
674 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
675 #elif ECB_GCC_AMD64
676 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
677 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
678 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
679 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
680 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
681 #elif defined __ARM_ARCH_2__ \
682 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
683 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
684 || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
685 || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
686 || defined __ARM_ARCH_5TEJ__
687 /* should not need any, unless running old code on newer cpu - arm doesn't support that */
688 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
689 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
690 || defined __ARM_ARCH_6T2__
691 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
692 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
693 || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
694 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
695 #elif __aarch64__
696 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
697 #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
698 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
699 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
700 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
701 #elif defined __s390__ || defined __s390x__
702 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
703 #elif defined __mips__
704 /* GNU/Linux emulates sync on mips1 architectures, so we force its use */
705 /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
706 #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
707 #elif defined __alpha__
708 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
709 #elif defined __hppa__
710 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
711 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
712 #elif defined __ia64__
713 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
714 #elif defined __m68k__
715 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
716 #elif defined __m88k__
717 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
718 #elif defined __sh__
719 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
720 #endif
484 #endif 721 #endif
485#endif 722#endif
486 723
487#if __cplusplus 724#ifndef ECB_MEMORY_FENCE
725 #if ECB_GCC_VERSION(4,7)
726 /* see comment below (stdatomic.h) about the C11 memory model. */
727 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
728 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
729 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
730
731 #elif ECB_CLANG_EXTENSION(c_atomic)
732 /* see comment below (stdatomic.h) about the C11 memory model. */
733 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
734 #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
735 #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
736
737 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
738 #define ECB_MEMORY_FENCE __sync_synchronize ()
739 #elif _MSC_VER >= 1500 /* VC++ 2008 */
740 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
741 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
742 #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
743 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
744 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
745 #elif _MSC_VER >= 1400 /* VC++ 2005 */
746 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
747 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
748 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
749 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
750 #elif defined _WIN32
751 #include <WinNT.h>
752 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
753 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
754 #include <mbarrier.h>
755 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
756 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
757 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
758 #elif __xlC__
759 #define ECB_MEMORY_FENCE __sync ()
760 #endif
761#endif
762
763#ifndef ECB_MEMORY_FENCE
764 #if ECB_C11 && !defined __STDC_NO_ATOMICS__
765 /* we assume that these memory fences work on all variables/all memory accesses, */
766 /* not just C11 atomics and atomic accesses */
767 #include <stdatomic.h>
768 /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
769 /* any fence other than seq_cst, which isn't very efficient for us. */
770 /* Why that is, we don't know - either the C11 memory model is quite useless */
771 /* for most usages, or gcc and clang have a bug */
772 /* I *currently* lean towards the latter, and inefficiently implement */
773 /* all three of ecb's fences as a seq_cst fence */
774 /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
775 /* for all __atomic_thread_fence's except seq_cst */
776 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
777 #endif
778#endif
779
780#ifndef ECB_MEMORY_FENCE
781 #if !ECB_AVOID_PTHREADS
782 /*
783 * if you get undefined symbol references to pthread_mutex_lock,
784 * or failure to find pthread.h, then you should implement
785 * the ECB_MEMORY_FENCE operations for your cpu/compiler
786 * OR provide pthread.h and link against the posix thread library
787 * of your system.
788 */
789 #include <pthread.h>
790 #define ECB_NEEDS_PTHREADS 1
791 #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
792
793 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
794 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
795 #endif
796#endif
797
798#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
799 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
800#endif
801
802#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
803 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
804#endif
805
806/*****************************************************************************/
807
808#if ECB_CPP
488 #define ecb_inline static inline 809 #define ecb_inline static inline
489#elif ECB_GCC_VERSION(2,5) 810#elif ECB_GCC_VERSION(2,5)
490 #define ecb_inline static __inline__ 811 #define ecb_inline static __inline__
491#elif ECB_C99 812#elif ECB_C99
492 #define ecb_inline static inline 813 #define ecb_inline static inline
493#else 814#else
494 #define ecb_inline static 815 #define ecb_inline static
495#endif 816#endif
496 817
497#if ECB_GCC_VERSION(3,1) 818#if ECB_GCC_VERSION(3,3)
819 #define ecb_restrict __restrict__
820#elif ECB_C99
821 #define ecb_restrict restrict
822#else
823 #define ecb_restrict
824#endif
825
826typedef int ecb_bool;
827
828#define ECB_CONCAT_(a, b) a ## b
829#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
830#define ECB_STRINGIFY_(a) # a
831#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
832#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
833
834#define ecb_function_ ecb_inline
835
836#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
498 #define ecb_attribute(attrlist) __attribute__(attrlist) 837 #define ecb_attribute(attrlist) __attribute__ (attrlist)
838#else
839 #define ecb_attribute(attrlist)
840#endif
841
842#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
499 #define ecb_is_constant(expr) __builtin_constant_p (expr) 843 #define ecb_is_constant(expr) __builtin_constant_p (expr)
844#else
845 /* possible C11 impl for integral types
846 typedef struct ecb_is_constant_struct ecb_is_constant_struct;
847 #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
848
849 #define ecb_is_constant(expr) 0
850#endif
851
852#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
500 #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) 853 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
854#else
855 #define ecb_expect(expr,value) (expr)
856#endif
857
858#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
501 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) 859 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
502#else 860#else
503 #define ecb_attribute(attrlist)
504 #define ecb_is_constant(expr) 0
505 #define ecb_expect(expr,value) (expr)
506 #define ecb_prefetch(addr,rw,locality) 861 #define ecb_prefetch(addr,rw,locality)
507#endif 862#endif
508 863
864/* no emulation for ecb_decltype */
865#if ECB_CPP11
866 // older implementations might have problems with decltype(x)::type, work around it
867 template<class T> struct ecb_decltype_t { typedef T type; };
868 #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
869#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
870 #define ecb_decltype(x) __typeof__ (x)
871#endif
872
873#if _MSC_VER >= 1300
874 #define ecb_deprecated __declspec (deprecated)
875#else
876 #define ecb_deprecated ecb_attribute ((__deprecated__))
877#endif
878
879#if _MSC_VER >= 1500
880 #define ecb_deprecated_message(msg) __declspec (deprecated (msg))
881#elif ECB_GCC_VERSION(4,5)
882 #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
883#else
884 #define ecb_deprecated_message(msg) ecb_deprecated
885#endif
886
887#if _MSC_VER >= 1400
888 #define ecb_noinline __declspec (noinline)
889#else
509#define ecb_noinline ecb_attribute ((__noinline__)) 890 #define ecb_noinline ecb_attribute ((__noinline__))
510#define ecb_noreturn ecb_attribute ((__noreturn__)) 891#endif
892
511#define ecb_unused ecb_attribute ((__unused__)) 893#define ecb_unused ecb_attribute ((__unused__))
512#define ecb_const ecb_attribute ((__const__)) 894#define ecb_const ecb_attribute ((__const__))
513#define ecb_pure ecb_attribute ((__pure__)) 895#define ecb_pure ecb_attribute ((__pure__))
896
897#if ECB_C11 || __IBMC_NORETURN
898 /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
899 #define ecb_noreturn _Noreturn
900#elif ECB_CPP11
901 #define ecb_noreturn [[noreturn]]
902#elif _MSC_VER >= 1200
903 /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
904 #define ecb_noreturn __declspec (noreturn)
905#else
906 #define ecb_noreturn ecb_attribute ((__noreturn__))
907#endif
514 908
515#if ECB_GCC_VERSION(4,3) 909#if ECB_GCC_VERSION(4,3)
516 #define ecb_artificial ecb_attribute ((__artificial__)) 910 #define ecb_artificial ecb_attribute ((__artificial__))
517 #define ecb_hot ecb_attribute ((__hot__)) 911 #define ecb_hot ecb_attribute ((__hot__))
518 #define ecb_cold ecb_attribute ((__cold__)) 912 #define ecb_cold ecb_attribute ((__cold__))
… …
525/* put around conditional expressions if you are very sure that the */ 919/* put around conditional expressions if you are very sure that the */
526/* expression is mostly true or mostly false. note that these return */ 920/* expression is mostly true or mostly false. note that these return */
527/* booleans, not the expression. */ 921/* booleans, not the expression. */
528#define ecb_expect_false(expr) ecb_expect (!!(expr), 0) 922#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
529#define ecb_expect_true(expr) ecb_expect (!!(expr), 1) 923#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
530/* ecb.h end */ 924/* for compatibility to the rest of the world */
925#define ecb_likely(expr) ecb_expect_true (expr)
926#define ecb_unlikely(expr) ecb_expect_false (expr)
927
928/* count trailing zero bits and count # of one bits */
929#if ECB_GCC_VERSION(3,4) \
930 || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
931 && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
932 && ECB_CLANG_BUILTIN(__builtin_popcount))
933 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
934 #define ecb_ld32(x) (__builtin_clz (x) ^ 31)
935 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
936 #define ecb_ctz32(x) __builtin_ctz (x)
937 #define ecb_ctz64(x) __builtin_ctzll (x)
938 #define ecb_popcount32(x) __builtin_popcount (x)
939 /* no popcountll */
940#else
941 ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
942 ecb_function_ ecb_const int
943 ecb_ctz32 (uint32_t x)
944 {
945#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
946 unsigned long r;
947 _BitScanForward (&r, x);
948 return (int)r;
949#else
950 int r = 0;
951
952 x &= ~x + 1; /* this isolates the lowest bit */
953
954#if ECB_branchless_on_i386
955 r += !!(x & 0xaaaaaaaa) << 0;
956 r += !!(x & 0xcccccccc) << 1;
957 r += !!(x & 0xf0f0f0f0) << 2;
958 r += !!(x & 0xff00ff00) << 3;
959 r += !!(x & 0xffff0000) << 4;
960#else
961 if (x & 0xaaaaaaaa) r += 1;
962 if (x & 0xcccccccc) r += 2;
963 if (x & 0xf0f0f0f0) r += 4;
964 if (x & 0xff00ff00) r += 8;
965 if (x & 0xffff0000) r += 16;
966#endif
967
968 return r;
969#endif
970 }
971
972 ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
973 ecb_function_ ecb_const int
974 ecb_ctz64 (uint64_t x)
975 {
976#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
977 unsigned long r;
978 _BitScanForward64 (&r, x);
979 return (int)r;
980#else
981 int shift = x & 0xffffffff ? 0 : 32;
982 return ecb_ctz32 (x >> shift) + shift;
983#endif
984 }
985
986 ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
987 ecb_function_ ecb_const int
988 ecb_popcount32 (uint32_t x)
989 {
990 x -= (x >> 1) & 0x55555555;
991 x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
992 x = ((x >> 4) + x) & 0x0f0f0f0f;
993 x *= 0x01010101;
994
995 return x >> 24;
996 }
997
998 ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
999 ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
1000 {
1001#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
1002 unsigned long r;
1003 _BitScanReverse (&r, x);
1004 return (int)r;
1005#else
1006 int r = 0;
1007
1008 if (x >> 16) { x >>= 16; r += 16; }
1009 if (x >> 8) { x >>= 8; r += 8; }
1010 if (x >> 4) { x >>= 4; r += 4; }
1011 if (x >> 2) { x >>= 2; r += 2; }
1012 if (x >> 1) { r += 1; }
1013
1014 return r;
1015#endif
1016 }
1017
1018 ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
1019 ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
1020 {
1021#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
1022 unsigned long r;
1023 _BitScanReverse64 (&r, x);
1024 return (int)r;
1025#else
1026 int r = 0;
1027
1028 if (x >> 32) { x >>= 32; r += 32; }
1029
1030 return r + ecb_ld32 (x);
1031#endif
1032 }
1033#endif
1034
1035ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
1036ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
1037ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
1038ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
1039
1040ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
1041ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
1042{
1043 return ( (x * 0x0802U & 0x22110U)
1044 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
1045}
1046
1047ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
1048ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
1049{
1050 x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
1051 x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
1052 x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
1053 x = ( x >> 8 ) | ( x << 8);
1054
1055 return x;
1056}
1057
1058ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
1059ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
1060{
1061 x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
1062 x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
1063 x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
1064 x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
1065 x = ( x >> 16 ) | ( x << 16);
1066
1067 return x;
1068}
1069
1070/* popcount64 is only available on 64 bit cpus as gcc builtin */
1071/* so for this version we are lazy */
1072ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
1073ecb_function_ ecb_const int
1074ecb_popcount64 (uint64_t x)
1075{
1076 return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
1077}
1078
1079ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
1080ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
1081ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
1082ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
1083ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
1084ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
1085ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
1086ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
1087
1088ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
1089ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
1090ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
1091ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
1092ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
1093ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
1094ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
1095ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
1096
1097#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
1098 #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
1099 #define ecb_bswap16(x) __builtin_bswap16 (x)
1100 #else
1101 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
1102 #endif
1103 #define ecb_bswap32(x) __builtin_bswap32 (x)
1104 #define ecb_bswap64(x) __builtin_bswap64 (x)
1105#elif _MSC_VER
1106 #include <stdlib.h>
1107 #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
1108 #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
1109 #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
1110#else
1111 ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
1112 ecb_function_ ecb_const uint16_t
1113 ecb_bswap16 (uint16_t x)
1114 {
1115 return ecb_rotl16 (x, 8);
1116 }
1117
1118 ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1119 ecb_function_ ecb_const uint32_t
1120 ecb_bswap32 (uint32_t x)
1121 {
1122 return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
1123 }
1124
1125 ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1126 ecb_function_ ecb_const uint64_t
1127 ecb_bswap64 (uint64_t x)
1128 {
1129 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1130 }
1131#endif
1132
1133#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1134 #define ecb_unreachable() __builtin_unreachable ()
1135#else
1136 /* this seems to work fine, but gcc always emits a warning for it :/ */
1137 ecb_inline ecb_noreturn void ecb_unreachable (void);
1138 ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1139#endif
1140
1141/* try to tell the compiler that some condition is definitely true */
1142#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1143
1144ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1145ecb_inline ecb_const uint32_t
1146ecb_byteorder_helper (void)
1147{
1148 /* the union code still generates code under pressure in gcc, */
1149 /* but less than using pointers, and always seems to */
1150 /* successfully return a constant. */
1151 /* the reason why we have this horrible preprocessor mess */
1152 /* is to avoid it in all cases, at least on common architectures */
1153 /* or when using a recent enough gcc version (>= 4.6) */
1154#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
1155 || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
1156 #define ECB_LITTLE_ENDIAN 1
1157 return 0x44332211;
1158#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
1159 || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
1160 #define ECB_BIG_ENDIAN 1
1161 return 0x11223344;
1162#else
1163 union
1164 {
1165 uint8_t c[4];
1166 uint32_t u;
1167 } u = { 0x11, 0x22, 0x33, 0x44 };
1168 return u.u;
1169#endif
1170}
1171
1172ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1173ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1174ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1175ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1176
1177#if ECB_GCC_VERSION(3,0) || ECB_C99
1178 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1179#else
1180 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1181#endif
1182
1183#if ECB_CPP
1184 template<typename T>
1185 static inline T ecb_div_rd (T val, T div)
1186 {
1187 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1188 }
1189 template<typename T>
1190 static inline T ecb_div_ru (T val, T div)
1191 {
1192 return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
1193 }
1194#else
1195 #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
1196 #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
1197#endif
1198
1199#if ecb_cplusplus_does_not_suck
1200 /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
1201 template<typename T, int N>
1202 static inline int ecb_array_length (const T (&arr)[N])
1203 {
1204 return N;
1205 }
1206#else
1207 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1208#endif
1209
1210ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
1211ecb_function_ ecb_const uint32_t
1212ecb_binary16_to_binary32 (uint32_t x)
1213{
1214 unsigned int s = (x & 0x8000) << (31 - 15);
1215 int e = (x >> 10) & 0x001f;
1216 unsigned int m = x & 0x03ff;
1217
1218 if (ecb_expect_false (e == 31))
1219 /* infinity or NaN */
1220 e = 255 - (127 - 15);
1221 else if (ecb_expect_false (!e))
1222 {
1223 if (ecb_expect_true (!m))
1224 /* zero, handled by code below by forcing e to 0 */
1225 e = 0 - (127 - 15);
1226 else
1227 {
1228 /* subnormal, renormalise */
1229 unsigned int s = 10 - ecb_ld32 (m);
1230
1231 m = (m << s) & 0x3ff; /* mask implicit bit */
1232 e -= s - 1;
1233 }
1234 }
1235
1236 /* e and m now are normalised, or zero, (or inf or nan) */
1237 e += 127 - 15;
1238
1239 return s | (e << 23) | (m << (23 - 10));
1240}
1241
1242ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
1243ecb_function_ ecb_const uint16_t
1244ecb_binary32_to_binary16 (uint32_t x)
1245{
1246 unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
1247 unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
1248 unsigned int m = x & 0x007fffff;
1249
1250 x &= 0x7fffffff;
1251
1252 /* if it's within range of binary16 normals, use fast path */
1253 if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
1254 {
1255 /* mantissa round-to-even */
1256 m += 0x00000fff + ((m >> (23 - 10)) & 1);
1257
1258 /* handle overflow */
1259 if (ecb_expect_false (m >= 0x00800000))
1260 {
1261 m >>= 1;
1262 e += 1;
1263 }
1264
1265 return s | (e << 10) | (m >> (23 - 10));
1266 }
1267
1268 /* handle large numbers and infinity */
1269 if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
1270 return s | 0x7c00;
1271
1272 /* handle zero, subnormals and small numbers */
1273 if (ecb_expect_true (x < 0x38800000))
1274 {
1275 /* zero */
1276 if (ecb_expect_true (!x))
1277 return s;
1278
1279 /* handle subnormals */
1280
1281 /* too small, will be zero */
1282 if (e < (14 - 24)) /* might not be sharp, but is good enough */
1283 return s;
1284
1285 m |= 0x00800000; /* make implicit bit explicit */
1286
1287 /* very tricky - we need to round to the nearest e (+10) bit value */
1288 {
1289 unsigned int bits = 14 - e;
1290 unsigned int half = (1 << (bits - 1)) - 1;
1291 unsigned int even = (m >> bits) & 1;
1292
1293 /* if this overflows, we will end up with a normalised number */
1294 m = (m + half + even) >> bits;
1295 }
1296
1297 return s | m;
1298 }
1299
1300 /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
1301 m >>= 13;
1302
1303 return s | 0x7c00 | m | !m;
1304}
1305
1306/*******************************************************************************/
1307/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1308
1309/* basically, everything uses "ieee pure-endian" floating point numbers */
1310/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1311#if 0 \
1312 || __i386 || __i386__ \
1313 || ECB_GCC_AMD64 \
1314 || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1315 || defined __s390__ || defined __s390x__ \
1316 || defined __mips__ \
1317 || defined __alpha__ \
1318 || defined __hppa__ \
1319 || defined __ia64__ \
1320 || defined __m68k__ \
1321 || defined __m88k__ \
1322 || defined __sh__ \
1323 || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1324 || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1325 || defined __aarch64__
1326 #define ECB_STDFP 1
1327 #include <string.h> /* for memcpy */
1328#else
1329 #define ECB_STDFP 0
1330#endif
1331
1332#ifndef ECB_NO_LIBM
1333
1334 #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
1335
1336 /* only the oldest of old doesn't have this one. solaris. */
1337 #ifdef INFINITY
1338 #define ECB_INFINITY INFINITY
1339 #else
1340 #define ECB_INFINITY HUGE_VAL
1341 #endif
1342
1343 #ifdef NAN
1344 #define ECB_NAN NAN
1345 #else
1346 #define ECB_NAN ECB_INFINITY
1347 #endif
1348
1349 #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1350 #define ecb_ldexpf(x,e) ldexpf ((x), (e))
1351 #define ecb_frexpf(x,e) frexpf ((x), (e))
1352 #else
1353 #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1354 #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1355 #endif
1356
1357 /* convert a float to ieee single/binary32 */
1358 ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1359 ecb_function_ ecb_const uint32_t
1360 ecb_float_to_binary32 (float x)
1361 {
1362 uint32_t r;
1363
1364 #if ECB_STDFP
1365 memcpy (&r, &x, 4);
1366 #else
1367 /* slow emulation, works for anything but -0 */
1368 uint32_t m;
1369 int e;
1370
1371 if (x == 0e0f ) return 0x00000000U;
1372 if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1373 if (x < -3.40282346638528860e+38f) return 0xff800000U;
1374 if (x != x ) return 0x7fbfffffU;
1375
1376 m = ecb_frexpf (x, &e) * 0x1000000U;
1377
1378 r = m & 0x80000000U;
1379
1380 if (r)
1381 m = -m;
1382
1383 if (e <= -126)
1384 {
1385 m &= 0xffffffU;
1386 m >>= (-125 - e);
1387 e = -126;
1388 }
1389
1390 r |= (e + 126) << 23;
1391 r |= m & 0x7fffffU;
1392 #endif
1393
1394 return r;
1395 }
1396
1397 /* converts an ieee single/binary32 to a float */
1398 ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1399 ecb_function_ ecb_const float
1400 ecb_binary32_to_float (uint32_t x)
1401 {
1402 float r;
1403
1404 #if ECB_STDFP
1405 memcpy (&r, &x, 4);
1406 #else
1407 /* emulation, only works for normals and subnormals and +0 */
1408 int neg = x >> 31;
1409 int e = (x >> 23) & 0xffU;
1410
1411 x &= 0x7fffffU;
1412
1413 if (e)
1414 x |= 0x800000U;
1415 else
1416 e = 1;
1417
1418 /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1419 r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1420
1421 r = neg ? -r : r;
1422 #endif
1423
1424 return r;
1425 }
1426
1427 /* convert a double to ieee double/binary64 */
1428 ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1429 ecb_function_ ecb_const uint64_t
1430 ecb_double_to_binary64 (double x)
1431 {
1432 uint64_t r;
1433
1434 #if ECB_STDFP
1435 memcpy (&r, &x, 8);
1436 #else
1437 /* slow emulation, works for anything but -0 */
1438 uint64_t m;
1439 int e;
1440
1441 if (x == 0e0 ) return 0x0000000000000000U;
1442 if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
1443 if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
1444 if (x != x ) return 0X7ff7ffffffffffffU;
1445
1446 m = frexp (x, &e) * 0x20000000000000U;
1447
1448 r = m & 0x8000000000000000;;
1449
1450 if (r)
1451 m = -m;
1452
1453 if (e <= -1022)
1454 {
1455 m &= 0x1fffffffffffffU;
1456 m >>= (-1021 - e);
1457 e = -1022;
1458 }
1459
1460 r |= ((uint64_t)(e + 1022)) << 52;
1461 r |= m & 0xfffffffffffffU;
1462 #endif
1463
1464 return r;
1465 }
1466
1467 /* converts an ieee double/binary64 to a double */
1468 ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1469 ecb_function_ ecb_const double
1470 ecb_binary64_to_double (uint64_t x)
1471 {
1472 double r;
1473
1474 #if ECB_STDFP
1475 memcpy (&r, &x, 8);
1476 #else
1477 /* emulation, only works for normals and subnormals and +0 */
1478 int neg = x >> 63;
1479 int e = (x >> 52) & 0x7ffU;
1480
1481 x &= 0xfffffffffffffU;
1482
1483 if (e)
1484 x |= 0x10000000000000U;
1485 else
1486 e = 1;
1487
1488 /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
1489 r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
1490
1491 r = neg ? -r : r;
1492 #endif
1493
1494 return r;
1495 }
1496
1497 /* convert a float to ieee half/binary16 */
1498 ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
1499 ecb_function_ ecb_const uint16_t
1500 ecb_float_to_binary16 (float x)
1501 {
1502 return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
1503 }
1504
1505 /* convert an ieee half/binary16 to float */
1506 ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
1507 ecb_function_ ecb_const float
1508 ecb_binary16_to_float (uint16_t x)
1509 {
1510 return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1511 }
1512
1513#endif
1514
1515#endif
1516
1517/* ECB.H END */
1518
1519#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1520/* if your architecture doesn't need memory fences, e.g. because it is
1521 * single-cpu/core, or if you use libev in a project that doesn't use libev
1522 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
1523 * libev, in which cases the memory fences become nops.
1524 * alternatively, you can remove this #error and link against libpthread,
1525 * which will then provide the memory fences.
1526 */
1527# error "memory fences not defined for your architecture, please report"
1528#endif
1529
1530#ifndef ECB_MEMORY_FENCE
1531# define ECB_MEMORY_FENCE do { } while (0)
1532# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1533# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1534#endif
531 1535
532#define expect_false(cond) ecb_expect_false (cond) 1536#define expect_false(cond) ecb_expect_false (cond)
533#define expect_true(cond) ecb_expect_true (cond) 1537#define expect_true(cond) ecb_expect_true (cond)
534#define noinline ecb_noinline 1538#define noinline ecb_noinline
535 1539
536#define inline_size ecb_inline 1540#define inline_size ecb_inline
537 1541
538#if EV_FEATURE_CODE 1542#if EV_FEATURE_CODE
539# define inline_speed ecb_inline 1543# define inline_speed ecb_inline
540#else 1544#else
541# define inline_speed static noinline 1545# define inline_speed noinline static
542#endif 1546#endif
543 1547
544#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 1548#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
545 1549
546#if EV_MINPRI == EV_MAXPRI 1550#if EV_MINPRI == EV_MAXPRI
547# define ABSPRI(w) (((W)w), 0) 1551# define ABSPRI(w) (((W)w), 0)
548#else 1552#else
549# define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 1553# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
550#endif 1554#endif
551 1555
552#define EMPTY /* required for microsofts broken pseudo-c compiler */ 1556#define EMPTY /* required for microsofts broken pseudo-c compiler */
553#define EMPTY2(a,b) /* used to suppress some warnings */
554 1557
555typedef ev_watcher *W; 1558typedef ev_watcher *W;
556typedef ev_watcher_list *WL; 1559typedef ev_watcher_list *WL;
557typedef ev_watcher_time *WT; 1560typedef ev_watcher_time *WT;
558 1561
… …
593#else 1596#else
594 1597
595#include <float.h> 1598#include <float.h>
596 1599
597/* a floor() replacement function, should be independent of ev_tstamp type */ 1600/* a floor() replacement function, should be independent of ev_tstamp type */
1601noinline
598static ev_tstamp noinline 1602static ev_tstamp
599ev_floor (ev_tstamp v) 1603ev_floor (ev_tstamp v)
600{ 1604{
601 /* the choice of shift factor is not terribly important */ 1605 /* the choice of shift factor is not terribly important */
602#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ 1606#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
603 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; 1607 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
… …
635 1639
636#ifdef __linux 1640#ifdef __linux
637# include <sys/utsname.h> 1641# include <sys/utsname.h>
638#endif 1642#endif
639 1643
640static unsigned int noinline ecb_cold 1644noinline ecb_cold
1645static unsigned int
641ev_linux_version (void) 1646ev_linux_version (void)
642{ 1647{
643#ifdef __linux 1648#ifdef __linux
644 unsigned int v = 0; 1649 unsigned int v = 0;
645 struct utsname buf; 1650 struct utsname buf;
… …
674} 1679}
675 1680
676/*****************************************************************************/ 1681/*****************************************************************************/
677 1682
678#if EV_AVOID_STDIO 1683#if EV_AVOID_STDIO
679static void noinline ecb_cold 1684noinline ecb_cold
1685static void
680ev_printerr (const char *msg) 1686ev_printerr (const char *msg)
681{ 1687{
682 write (STDERR_FILENO, msg, strlen (msg)); 1688 write (STDERR_FILENO, msg, strlen (msg));
683} 1689}
684#endif 1690#endif
685 1691
686static void (*syserr_cb)(const char *msg); 1692static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
687 1693
688void ecb_cold 1694ecb_cold
1695void
689ev_set_syserr_cb (void (*cb)(const char *msg)) 1696ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
690{ 1697{
691 syserr_cb = cb; 1698 syserr_cb = cb;
692} 1699}
693 1700
694static void noinline ecb_cold 1701noinline ecb_cold
1702static void
695ev_syserr (const char *msg) 1703ev_syserr (const char *msg)
696{ 1704{
697 if (!msg) 1705 if (!msg)
698 msg = "(libev) system error"; 1706 msg = "(libev) system error";
699 1707
… …
712 abort (); 1720 abort ();
713 } 1721 }
714} 1722}
715 1723
716static void * 1724static void *
717ev_realloc_emul (void *ptr, long size) 1725ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
718{ 1726{
719#if __GLIBC__
720 return realloc (ptr, size);
721#else
722 /* some systems, notably openbsd and darwin, fail to properly 1727 /* some systems, notably openbsd and darwin, fail to properly
723 * implement realloc (x, 0) (as required by both ansi c-89 and 1728 * implement realloc (x, 0) (as required by both ansi c-89 and
724 * the single unix specification, so work around them here. 1729 * the single unix specification, so work around them here.
1730 * recently, also (at least) fedora and debian started breaking it,
1731 * despite documenting it otherwise.
725 */ 1732 */
726 1733
727 if (size) 1734 if (size)
728 return realloc (ptr, size); 1735 return realloc (ptr, size);
729 1736
730 free (ptr); 1737 free (ptr);
731 return 0; 1738 return 0;
732#endif
733} 1739}
734 1740
735static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1741static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
736 1742
737void ecb_cold 1743ecb_cold
1744void
738ev_set_allocator (void *(*cb)(void *ptr, long size)) 1745ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
739{ 1746{
740 alloc = cb; 1747 alloc = cb;
741} 1748}
742 1749
743inline_speed void * 1750inline_speed void *
… …
770typedef struct 1777typedef struct
771{ 1778{
772 WL head; 1779 WL head;
773 unsigned char events; /* the events watched for */ 1780 unsigned char events; /* the events watched for */
774 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 1781 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
775 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 1782 unsigned char emask; /* some backends store the actual kernel mask in here */
776 unsigned char unused; 1783 unsigned char unused;
777#if EV_USE_EPOLL 1784#if EV_USE_EPOLL
778 unsigned int egen; /* generation counter to counter epoll bugs */ 1785 unsigned int egen; /* generation counter to counter epoll bugs */
779#endif 1786#endif
780#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1787#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
… …
831 #undef VAR 1838 #undef VAR
832 }; 1839 };
833 #include "ev_wrap.h" 1840 #include "ev_wrap.h"
834 1841
835 static struct ev_loop default_loop_struct; 1842 static struct ev_loop default_loop_struct;
836 struct ev_loop *ev_default_loop_ptr; 1843 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
837 1844
838#else 1845#else
839 1846
840 ev_tstamp ev_rt_now; 1847 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; 1848 #define VAR(name,decl) static decl;
842 #include "ev_vars.h" 1849 #include "ev_vars.h"
843 #undef VAR 1850 #undef VAR
844 1851
845 static int ev_default_loop_ptr; 1852 static int ev_default_loop_ptr;
… …
860 1867
861/*****************************************************************************/ 1868/*****************************************************************************/
862 1869
863#ifndef EV_HAVE_EV_TIME 1870#ifndef EV_HAVE_EV_TIME
864ev_tstamp 1871ev_tstamp
865ev_time (void) 1872ev_time (void) EV_NOEXCEPT
866{ 1873{
867#if EV_USE_REALTIME 1874#if EV_USE_REALTIME
868 if (expect_true (have_realtime)) 1875 if (expect_true (have_realtime))
869 { 1876 {
870 struct timespec ts; 1877 struct timespec ts;
… …
894 return ev_time (); 1901 return ev_time ();
895} 1902}
896 1903
897#if EV_MULTIPLICITY 1904#if EV_MULTIPLICITY
898ev_tstamp 1905ev_tstamp
899ev_now (EV_P) 1906ev_now (EV_P) EV_NOEXCEPT
900{ 1907{
901 return ev_rt_now; 1908 return ev_rt_now;
902} 1909}
903#endif 1910#endif
904 1911
905void 1912void
906ev_sleep (ev_tstamp delay) 1913ev_sleep (ev_tstamp delay) EV_NOEXCEPT
907{ 1914{
908 if (delay > 0.) 1915 if (delay > 0.)
909 { 1916 {
910#if EV_USE_NANOSLEEP 1917#if EV_USE_NANOSLEEP
911 struct timespec ts; 1918 struct timespec ts;
912 1919
913 EV_TS_SET (ts, delay); 1920 EV_TS_SET (ts, delay);
914 nanosleep (&ts, 0); 1921 nanosleep (&ts, 0);
915#elif defined(_WIN32) 1922#elif defined _WIN32
1923 /* maybe this should round up, as ms is very low resolution */
1924 /* compared to select (µs) or nanosleep (ns) */
916 Sleep ((unsigned long)(delay * 1e3)); 1925 Sleep ((unsigned long)(delay * 1e3));
917#else 1926#else
918 struct timeval tv; 1927 struct timeval tv;
919 1928
920 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1929 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
… …
939 1948
940 do 1949 do
941 ncur <<= 1; 1950 ncur <<= 1;
942 while (cnt > ncur); 1951 while (cnt > ncur);
943 1952
944 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ 1953 /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
945 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1954 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
946 { 1955 {
947 ncur *= elem; 1956 ncur *= elem;
948 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); 1957 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
949 ncur = ncur - sizeof (void *) * 4; 1958 ncur = ncur - sizeof (void *) * 4;
… …
951 } 1960 }
952 1961
953 return ncur; 1962 return ncur;
954} 1963}
955 1964
956static void * noinline ecb_cold 1965noinline ecb_cold
1966static void *
957array_realloc (int elem, void *base, int *cur, int cnt) 1967array_realloc (int elem, void *base, int *cur, int cnt)
958{ 1968{
959 *cur = array_nextsize (elem, *cur, cnt); 1969 *cur = array_nextsize (elem, *cur, cnt);
960 return ev_realloc (base, elem * *cur); 1970 return ev_realloc (base, elem * *cur);
961} 1971}
962 1972
1973#define array_needsize_noinit(base,count)
1974
963#define array_init_zero(base,count) \ 1975#define array_needsize_zerofill(base,count) \
964 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1976 memset ((void *)(base), 0, sizeof (*(base)) * (count))
965 1977
966#define array_needsize(type,base,cur,cnt,init) \ 1978#define array_needsize(type,base,cur,cnt,init) \
967 if (expect_false ((cnt) > (cur))) \ 1979 if (expect_false ((cnt) > (cur))) \
968 { \ 1980 { \
969 int ocur_ = (cur); \ 1981 ecb_unused int ocur_ = (cur); \
970 (base) = (type *)array_realloc \ 1982 (base) = (type *)array_realloc \
971 (sizeof (type), (base), &(cur), (cnt)); \ 1983 (sizeof (type), (base), &(cur), (cnt)); \
972 init ((base) + (ocur_), (cur) - ocur_); \ 1984 init ((base) + (ocur_), (cur) - ocur_); \
973 } 1985 }
974 1986
… …
986 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 1998 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
987 1999
988/*****************************************************************************/ 2000/*****************************************************************************/
989 2001
990/* dummy callback for pending events */ 2002/* dummy callback for pending events */
991static void noinline 2003noinline
2004static void
992pendingcb (EV_P_ ev_prepare *w, int revents) 2005pendingcb (EV_P_ ev_prepare *w, int revents)
993{ 2006{
994} 2007}
995 2008
996void noinline 2009noinline
2010void
997ev_feed_event (EV_P_ void *w, int revents) 2011ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
998{ 2012{
999 W w_ = (W)w; 2013 W w_ = (W)w;
1000 int pri = ABSPRI (w_); 2014 int pri = ABSPRI (w_);
1001 2015
1002 if (expect_false (w_->pending)) 2016 if (expect_false (w_->pending))
1003 pendings [pri][w_->pending - 1].events |= revents; 2017 pendings [pri][w_->pending - 1].events |= revents;
1004 else 2018 else
1005 { 2019 {
1006 w_->pending = ++pendingcnt [pri]; 2020 w_->pending = ++pendingcnt [pri];
1007 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 2021 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1008 pendings [pri][w_->pending - 1].w = w_; 2022 pendings [pri][w_->pending - 1].w = w_;
1009 pendings [pri][w_->pending - 1].events = revents; 2023 pendings [pri][w_->pending - 1].events = revents;
1010 } 2024 }
2025
2026 pendingpri = NUMPRI - 1;
1011} 2027}
1012 2028
1013inline_speed void 2029inline_speed void
1014feed_reverse (EV_P_ W w) 2030feed_reverse (EV_P_ W w)
1015{ 2031{
1016 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); 2032 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1017 rfeeds [rfeedcnt++] = w; 2033 rfeeds [rfeedcnt++] = w;
1018} 2034}
1019 2035
1020inline_size void 2036inline_size void
1021feed_reverse_done (EV_P_ int revents) 2037feed_reverse_done (EV_P_ int revents)
… …
1061 if (expect_true (!anfd->reify)) 2077 if (expect_true (!anfd->reify))
1062 fd_event_nocheck (EV_A_ fd, revents); 2078 fd_event_nocheck (EV_A_ fd, revents);
1063} 2079}
1064 2080
1065void 2081void
1066ev_feed_fd_event (EV_P_ int fd, int revents) 2082ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1067{ 2083{
1068 if (fd >= 0 && fd < anfdmax) 2084 if (fd >= 0 && fd < anfdmax)
1069 fd_event_nocheck (EV_A_ fd, revents); 2085 fd_event_nocheck (EV_A_ fd, revents);
1070} 2086}
1071 2087
… …
1129 2145
1130 fdchangecnt = 0; 2146 fdchangecnt = 0;
1131} 2147}
1132 2148
1133/* something about the given fd changed */ 2149/* something about the given fd changed */
1134inline_size void 2150inline_size
2151void
1135fd_change (EV_P_ int fd, int flags) 2152fd_change (EV_P_ int fd, int flags)
1136{ 2153{
1137 unsigned char reify = anfds [fd].reify; 2154 unsigned char reify = anfds [fd].reify;
1138 anfds [fd].reify |= flags; 2155 anfds [fd].reify |= flags;
1139 2156
1140 if (expect_true (!reify)) 2157 if (expect_true (!reify))
1141 { 2158 {
1142 ++fdchangecnt; 2159 ++fdchangecnt;
1143 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 2160 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1144 fdchanges [fdchangecnt - 1] = fd; 2161 fdchanges [fdchangecnt - 1] = fd;
1145 } 2162 }
1146} 2163}
1147 2164
1148/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 2165/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1149inline_speed void ecb_cold 2166inline_speed ecb_cold void
1150fd_kill (EV_P_ int fd) 2167fd_kill (EV_P_ int fd)
1151{ 2168{
1152 ev_io *w; 2169 ev_io *w;
1153 2170
1154 while ((w = (ev_io *)anfds [fd].head)) 2171 while ((w = (ev_io *)anfds [fd].head))
… …
1157 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 2174 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1158 } 2175 }
1159} 2176}
1160 2177
1161/* check whether the given fd is actually valid, for error recovery */ 2178/* check whether the given fd is actually valid, for error recovery */
1162inline_size int ecb_cold 2179inline_size ecb_cold int
1163fd_valid (int fd) 2180fd_valid (int fd)
1164{ 2181{
1165#ifdef _WIN32 2182#ifdef _WIN32
1166 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 2183 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1167#else 2184#else
1168 return fcntl (fd, F_GETFD) != -1; 2185 return fcntl (fd, F_GETFD) != -1;
1169#endif 2186#endif
1170} 2187}
1171 2188
1172/* called on EBADF to verify fds */ 2189/* called on EBADF to verify fds */
1173static void noinline ecb_cold 2190noinline ecb_cold
2191static void
1174fd_ebadf (EV_P) 2192fd_ebadf (EV_P)
1175{ 2193{
1176 int fd; 2194 int fd;
1177 2195
1178 for (fd = 0; fd < anfdmax; ++fd) 2196 for (fd = 0; fd < anfdmax; ++fd)
… …
1180 if (!fd_valid (fd) && errno == EBADF) 2198 if (!fd_valid (fd) && errno == EBADF)
1181 fd_kill (EV_A_ fd); 2199 fd_kill (EV_A_ fd);
1182} 2200}
1183 2201
1184/* called on ENOMEM in select/poll to kill some fds and retry */ 2202/* called on ENOMEM in select/poll to kill some fds and retry */
1185static void noinline ecb_cold 2203noinline ecb_cold
2204static void
1186fd_enomem (EV_P) 2205fd_enomem (EV_P)
1187{ 2206{
1188 int fd; 2207 int fd;
1189 2208
1190 for (fd = anfdmax; fd--; ) 2209 for (fd = anfdmax; fd--; )
… …
1194 break; 2213 break;
1195 } 2214 }
1196} 2215}
1197 2216
1198/* usually called after fork if backend needs to re-arm all fds from scratch */ 2217/* usually called after fork if backend needs to re-arm all fds from scratch */
1199static void noinline 2218noinline
2219static void
1200fd_rearm_all (EV_P) 2220fd_rearm_all (EV_P)
1201{ 2221{
1202 int fd; 2222 int fd;
1203 2223
1204 for (fd = 0; fd < anfdmax; ++fd) 2224 for (fd = 0; fd < anfdmax; ++fd)
… …
1385 2405
1386/*****************************************************************************/ 2406/*****************************************************************************/
1387 2407
1388#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2408#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1389 2409
1390static void noinline ecb_cold 2410noinline ecb_cold
2411static void
1391evpipe_init (EV_P) 2412evpipe_init (EV_P)
1392{ 2413{
1393 if (!ev_is_active (&pipe_w)) 2414 if (!ev_is_active (&pipe_w))
1394 { 2415 {
2416 int fds [2];
2417
1395# if EV_USE_EVENTFD 2418# if EV_USE_EVENTFD
2419 fds [0] = -1;
1396 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 2420 fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1397 if (evfd < 0 && errno == EINVAL) 2421 if (fds [1] < 0 && errno == EINVAL)
1398 evfd = eventfd (0, 0); 2422 fds [1] = eventfd (0, 0);
1399 2423
1400 if (evfd >= 0) 2424 if (fds [1] < 0)
2425# endif
1401 { 2426 {
2427 while (pipe (fds))
2428 ev_syserr ("(libev) error creating signal/async pipe");
2429
2430 fd_intern (fds [0]);
2431 }
2432
1402 evpipe [0] = -1; 2433 evpipe [0] = fds [0];
1403 fd_intern (evfd); /* doing it twice doesn't hurt */ 2434
1404 ev_io_set (&pipe_w, evfd, EV_READ); 2435 if (evpipe [1] < 0)
2436 evpipe [1] = fds [1]; /* first call, set write fd */
2437 else
2438 {
2439 /* on subsequent calls, do not change evpipe [1] */
2440 /* so that evpipe_write can always rely on its value. */
2441 /* this branch does not do anything sensible on windows, */
2442 /* so must not be executed on windows */
2443
2444 dup2 (fds [1], evpipe [1]);
2445 close (fds [1]);
2446 }
2447
2448 fd_intern (evpipe [1]);
2449
2450 ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
2451 ev_io_start (EV_A_ &pipe_w);
2452 ev_unref (EV_A); /* watcher should not keep loop alive */
2453 }
2454}
2455
2456inline_speed void
2457evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2458{
2459 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2460
2461 if (expect_true (*flag))
2462 return;
2463
2464 *flag = 1;
2465 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2466
2467 pipe_write_skipped = 1;
2468
2469 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
2470
2471 if (pipe_write_wanted)
2472 {
2473 int old_errno;
2474
2475 pipe_write_skipped = 0;
2476 ECB_MEMORY_FENCE_RELEASE;
2477
2478 old_errno = errno; /* save errno because write will clobber it */
2479
2480#if EV_USE_EVENTFD
2481 if (evpipe [0] < 0)
2482 {
2483 uint64_t counter = 1;
2484 write (evpipe [1], &counter, sizeof (uint64_t));
1405 } 2485 }
1406 else 2486 else
1407# endif 2487#endif
1408 { 2488 {
1409 while (pipe (evpipe)) 2489#ifdef _WIN32
1410 ev_syserr ("(libev) error creating signal/async pipe"); 2490 WSABUF buf;
1411 2491 DWORD sent;
1412 fd_intern (evpipe [0]); 2492 buf.buf = (char *)&buf;
1413 fd_intern (evpipe [1]); 2493 buf.len = 1;
1414 ev_io_set (&pipe_w, evpipe [0], EV_READ); 2494 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2495#else
2496 write (evpipe [1], &(evpipe [1]), 1);
2497#endif
1415 } 2498 }
1416 2499
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; 2500 errno = old_errno;
1457 }
1458 } 2501 }
1459} 2502}
1460 2503
1461/* called whenever the libev signal pipe */ 2504/* called whenever the libev signal pipe */
1462/* got some events (signal, async) */ 2505/* got some events (signal, async) */
… …
1466 int i; 2509 int i;
1467 2510
1468 if (revents & EV_READ) 2511 if (revents & EV_READ)
1469 { 2512 {
1470#if EV_USE_EVENTFD 2513#if EV_USE_EVENTFD
1471 if (evfd >= 0) 2514 if (evpipe [0] < 0)
1472 { 2515 {
1473 uint64_t counter; 2516 uint64_t counter;
1474 read (evfd, &counter, sizeof (uint64_t)); 2517 read (evpipe [1], &counter, sizeof (uint64_t));
1475 } 2518 }
1476 else 2519 else
1477#endif 2520#endif
1478 { 2521 {
1479 char dummy; 2522 char dummy[4];
1480 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 2523#ifdef _WIN32
2524 WSABUF buf;
2525 DWORD recvd;
2526 DWORD flags = 0;
2527 buf.buf = dummy;
2528 buf.len = sizeof (dummy);
2529 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
2530#else
1481 read (evpipe [0], &dummy, 1); 2531 read (evpipe [0], &dummy, sizeof (dummy));
2532#endif
1482 } 2533 }
1483 } 2534 }
1484 2535
1485 pipe_write_skipped = 0; 2536 pipe_write_skipped = 0;
2537
2538 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1486 2539
1487#if EV_SIGNAL_ENABLE 2540#if EV_SIGNAL_ENABLE
1488 if (sig_pending) 2541 if (sig_pending)
1489 { 2542 {
1490 sig_pending = 0; 2543 sig_pending = 0;
2544
2545 ECB_MEMORY_FENCE;
1491 2546
1492 for (i = EV_NSIG - 1; i--; ) 2547 for (i = EV_NSIG - 1; i--; )
1493 if (expect_false (signals [i].pending)) 2548 if (expect_false (signals [i].pending))
1494 ev_feed_signal_event (EV_A_ i + 1); 2549 ev_feed_signal_event (EV_A_ i + 1);
1495 } 2550 }
… …
1497 2552
1498#if EV_ASYNC_ENABLE 2553#if EV_ASYNC_ENABLE
1499 if (async_pending) 2554 if (async_pending)
1500 { 2555 {
1501 async_pending = 0; 2556 async_pending = 0;
2557
2558 ECB_MEMORY_FENCE;
1502 2559
1503 for (i = asynccnt; i--; ) 2560 for (i = asynccnt; i--; )
1504 if (asyncs [i]->sent) 2561 if (asyncs [i]->sent)
1505 { 2562 {
1506 asyncs [i]->sent = 0; 2563 asyncs [i]->sent = 0;
2564 ECB_MEMORY_FENCE_RELEASE;
1507 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 2565 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1508 } 2566 }
1509 } 2567 }
1510#endif 2568#endif
1511} 2569}
1512 2570
1513/*****************************************************************************/ 2571/*****************************************************************************/
1514 2572
1515void 2573void
1516ev_feed_signal (int signum) 2574ev_feed_signal (int signum) EV_NOEXCEPT
1517{ 2575{
1518#if EV_MULTIPLICITY 2576#if EV_MULTIPLICITY
2577 EV_P;
2578 ECB_MEMORY_FENCE_ACQUIRE;
1519 EV_P = signals [signum - 1].loop; 2579 EV_A = signals [signum - 1].loop;
1520 2580
1521 if (!EV_A) 2581 if (!EV_A)
1522 return; 2582 return;
1523#endif 2583#endif
1524 2584
1525 evpipe_init (EV_A);
1526
1527 signals [signum - 1].pending = 1; 2585 signals [signum - 1].pending = 1;
1528 evpipe_write (EV_A_ &sig_pending); 2586 evpipe_write (EV_A_ &sig_pending);
1529} 2587}
1530 2588
1531static void 2589static void
… …
1536#endif 2594#endif
1537 2595
1538 ev_feed_signal (signum); 2596 ev_feed_signal (signum);
1539} 2597}
1540 2598
1541void noinline 2599noinline
2600void
1542ev_feed_signal_event (EV_P_ int signum) 2601ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
1543{ 2602{
1544 WL w; 2603 WL w;
1545 2604
1546 if (expect_false (signum <= 0 || signum > EV_NSIG)) 2605 if (expect_false (signum <= 0 || signum >= EV_NSIG))
1547 return; 2606 return;
1548 2607
1549 --signum; 2608 --signum;
1550 2609
1551#if EV_MULTIPLICITY 2610#if EV_MULTIPLICITY
… …
1555 if (expect_false (signals [signum].loop != EV_A)) 2614 if (expect_false (signals [signum].loop != EV_A))
1556 return; 2615 return;
1557#endif 2616#endif
1558 2617
1559 signals [signum].pending = 0; 2618 signals [signum].pending = 0;
2619 ECB_MEMORY_FENCE_RELEASE;
1560 2620
1561 for (w = signals [signum].head; w; w = w->next) 2621 for (w = signals [signum].head; w; w = w->next)
1562 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2622 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1563} 2623}
1564 2624
… …
1652# include "ev_port.c" 2712# include "ev_port.c"
1653#endif 2713#endif
1654#if EV_USE_KQUEUE 2714#if EV_USE_KQUEUE
1655# include "ev_kqueue.c" 2715# include "ev_kqueue.c"
1656#endif 2716#endif
2717#if EV_USE_LINUXAIO
2718# include "ev_linuxaio.c"
2719#endif
1657#if EV_USE_EPOLL 2720#if EV_USE_EPOLL
1658# include "ev_epoll.c" 2721# include "ev_epoll.c"
1659#endif 2722#endif
1660#if EV_USE_POLL 2723#if EV_USE_POLL
1661# include "ev_poll.c" 2724# include "ev_poll.c"
1662#endif 2725#endif
1663#if EV_USE_SELECT 2726#if EV_USE_SELECT
1664# include "ev_select.c" 2727# include "ev_select.c"
1665#endif 2728#endif
1666 2729
1667int ecb_cold 2730ecb_cold int
1668ev_version_major (void) 2731ev_version_major (void) EV_NOEXCEPT
1669{ 2732{
1670 return EV_VERSION_MAJOR; 2733 return EV_VERSION_MAJOR;
1671} 2734}
1672 2735
1673int ecb_cold 2736ecb_cold int
1674ev_version_minor (void) 2737ev_version_minor (void) EV_NOEXCEPT
1675{ 2738{
1676 return EV_VERSION_MINOR; 2739 return EV_VERSION_MINOR;
1677} 2740}
1678 2741
1679/* return true if we are running with elevated privileges and should ignore env variables */ 2742/* return true if we are running with elevated privileges and should ignore env variables */
1680int inline_size ecb_cold 2743inline_size ecb_cold int
1681enable_secure (void) 2744enable_secure (void)
1682{ 2745{
1683#ifdef _WIN32 2746#ifdef _WIN32
1684 return 0; 2747 return 0;
1685#else 2748#else
1686 return getuid () != geteuid () 2749 return getuid () != geteuid ()
1687 || getgid () != getegid (); 2750 || getgid () != getegid ();
1688#endif 2751#endif
1689} 2752}
1690 2753
1691unsigned int ecb_cold 2754ecb_cold
2755unsigned int
1692ev_supported_backends (void) 2756ev_supported_backends (void) EV_NOEXCEPT
1693{ 2757{
1694 unsigned int flags = 0; 2758 unsigned int flags = 0;
1695 2759
1696 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2760 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1697 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2761 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
1698 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2762 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2763 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
1699 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2764 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
1700 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2765 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
1701 2766
1702 return flags; 2767 return flags;
1703} 2768}
1704 2769
1705unsigned int ecb_cold 2770ecb_cold
2771unsigned int
1706ev_recommended_backends (void) 2772ev_recommended_backends (void) EV_NOEXCEPT
1707{ 2773{
1708 unsigned int flags = ev_supported_backends (); 2774 unsigned int flags = ev_supported_backends ();
1709 2775
1710#ifndef __NetBSD__ 2776#ifndef __NetBSD__
1711 /* kqueue is borked on everything but netbsd apparently */ 2777 /* kqueue is borked on everything but netbsd apparently */
… …
1722#endif 2788#endif
1723 2789
1724 return flags; 2790 return flags;
1725} 2791}
1726 2792
1727unsigned int ecb_cold 2793ecb_cold
2794unsigned int
1728ev_embeddable_backends (void) 2795ev_embeddable_backends (void) EV_NOEXCEPT
1729{ 2796{
1730 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2797 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1731 2798
1732 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2799 /* 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 */ 2800 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
1735 2802
1736 return flags; 2803 return flags;
1737} 2804}
1738 2805
1739unsigned int 2806unsigned int
1740ev_backend (EV_P) 2807ev_backend (EV_P) EV_NOEXCEPT
1741{ 2808{
1742 return backend; 2809 return backend;
1743} 2810}
1744 2811
1745#if EV_FEATURE_API 2812#if EV_FEATURE_API
1746unsigned int 2813unsigned int
1747ev_iteration (EV_P) 2814ev_iteration (EV_P) EV_NOEXCEPT
1748{ 2815{
1749 return loop_count; 2816 return loop_count;
1750} 2817}
1751 2818
1752unsigned int 2819unsigned int
1753ev_depth (EV_P) 2820ev_depth (EV_P) EV_NOEXCEPT
1754{ 2821{
1755 return loop_depth; 2822 return loop_depth;
1756} 2823}
1757 2824
1758void 2825void
1759ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2826ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
1760{ 2827{
1761 io_blocktime = interval; 2828 io_blocktime = interval;
1762} 2829}
1763 2830
1764void 2831void
1765ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2832ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
1766{ 2833{
1767 timeout_blocktime = interval; 2834 timeout_blocktime = interval;
1768} 2835}
1769 2836
1770void 2837void
1771ev_set_userdata (EV_P_ void *data) 2838ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
1772{ 2839{
1773 userdata = data; 2840 userdata = data;
1774} 2841}
1775 2842
1776void * 2843void *
1777ev_userdata (EV_P) 2844ev_userdata (EV_P) EV_NOEXCEPT
1778{ 2845{
1779 return userdata; 2846 return userdata;
1780} 2847}
1781 2848
1782void 2849void
1783ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2850ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
1784{ 2851{
1785 invoke_cb = invoke_pending_cb; 2852 invoke_cb = invoke_pending_cb;
1786} 2853}
1787 2854
1788void 2855void
1789ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2856ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
1790{ 2857{
1791 release_cb = release; 2858 release_cb = release;
1792 acquire_cb = acquire; 2859 acquire_cb = acquire;
1793} 2860}
1794#endif 2861#endif
1795 2862
1796/* initialise a loop structure, must be zero-initialised */ 2863/* initialise a loop structure, must be zero-initialised */
1797static void noinline ecb_cold 2864noinline ecb_cold
2865static void
1798loop_init (EV_P_ unsigned int flags) 2866loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
1799{ 2867{
1800 if (!backend) 2868 if (!backend)
1801 { 2869 {
1802 origflags = flags; 2870 origflags = flags;
1803 2871
… …
1848#if EV_ASYNC_ENABLE 2916#if EV_ASYNC_ENABLE
1849 async_pending = 0; 2917 async_pending = 0;
1850#endif 2918#endif
1851 pipe_write_skipped = 0; 2919 pipe_write_skipped = 0;
1852 pipe_write_wanted = 0; 2920 pipe_write_wanted = 0;
2921 evpipe [0] = -1;
2922 evpipe [1] = -1;
1853#if EV_USE_INOTIFY 2923#if EV_USE_INOTIFY
1854 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 2924 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1855#endif 2925#endif
1856#if EV_USE_SIGNALFD 2926#if EV_USE_SIGNALFD
1857 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 2927 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
… …
1859 2929
1860 if (!(flags & EVBACKEND_MASK)) 2930 if (!(flags & EVBACKEND_MASK))
1861 flags |= ev_recommended_backends (); 2931 flags |= ev_recommended_backends ();
1862 2932
1863#if EV_USE_IOCP 2933#if EV_USE_IOCP
1864 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2934 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1865#endif 2935#endif
1866#if EV_USE_PORT 2936#if EV_USE_PORT
1867 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2937 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1868#endif 2938#endif
1869#if EV_USE_KQUEUE 2939#if EV_USE_KQUEUE
1870 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 2940 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2941#endif
2942#if EV_USE_LINUXAIO
2943 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
1871#endif 2944#endif
1872#if EV_USE_EPOLL 2945#if EV_USE_EPOLL
1873 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 2946 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
1874#endif 2947#endif
1875#if EV_USE_POLL 2948#if EV_USE_POLL
1876 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); 2949 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
1877#endif 2950#endif
1878#if EV_USE_SELECT 2951#if EV_USE_SELECT
1879 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2952 if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
1880#endif 2953#endif
1881 2954
1882 ev_prepare_init (&pending_w, pendingcb); 2955 ev_prepare_init (&pending_w, pendingcb);
1883 2956
1884#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2957#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
… …
1887#endif 2960#endif
1888 } 2961 }
1889} 2962}
1890 2963
1891/* free up a loop structure */ 2964/* free up a loop structure */
1892void ecb_cold 2965ecb_cold
2966void
1893ev_loop_destroy (EV_P) 2967ev_loop_destroy (EV_P)
1894{ 2968{
1895 int i; 2969 int i;
1896 2970
1897#if EV_MULTIPLICITY 2971#if EV_MULTIPLICITY
… …
1908 EV_INVOKE_PENDING; 2982 EV_INVOKE_PENDING;
1909 } 2983 }
1910#endif 2984#endif
1911 2985
1912#if EV_CHILD_ENABLE 2986#if EV_CHILD_ENABLE
1913 if (ev_is_active (&childev)) 2987 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1914 { 2988 {
1915 ev_ref (EV_A); /* child watcher */ 2989 ev_ref (EV_A); /* child watcher */
1916 ev_signal_stop (EV_A_ &childev); 2990 ev_signal_stop (EV_A_ &childev);
1917 } 2991 }
1918#endif 2992#endif
… …
1920 if (ev_is_active (&pipe_w)) 2994 if (ev_is_active (&pipe_w))
1921 { 2995 {
1922 /*ev_ref (EV_A);*/ 2996 /*ev_ref (EV_A);*/
1923 /*ev_io_stop (EV_A_ &pipe_w);*/ 2997 /*ev_io_stop (EV_A_ &pipe_w);*/
1924 2998
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]); 2999 if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1933 EV_WIN32_CLOSE_FD (evpipe [1]); 3000 if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1934 }
1935 } 3001 }
1936 3002
1937#if EV_USE_SIGNALFD 3003#if EV_USE_SIGNALFD
1938 if (ev_is_active (&sigfd_w)) 3004 if (ev_is_active (&sigfd_w))
1939 close (sigfd); 3005 close (sigfd);
… …
1946 3012
1947 if (backend_fd >= 0) 3013 if (backend_fd >= 0)
1948 close (backend_fd); 3014 close (backend_fd);
1949 3015
1950#if EV_USE_IOCP 3016#if EV_USE_IOCP
1951 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); 3017 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1952#endif 3018#endif
1953#if EV_USE_PORT 3019#if EV_USE_PORT
1954 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3020 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1955#endif 3021#endif
1956#if EV_USE_KQUEUE 3022#if EV_USE_KQUEUE
1957 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 3023 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3024#endif
3025#if EV_USE_LINUXAIO
3026 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
1958#endif 3027#endif
1959#if EV_USE_EPOLL 3028#if EV_USE_EPOLL
1960 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); 3029 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
1961#endif 3030#endif
1962#if EV_USE_POLL 3031#if EV_USE_POLL
1963 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); 3032 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
1964#endif 3033#endif
1965#if EV_USE_SELECT 3034#if EV_USE_SELECT
1966 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 3035 if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
1967#endif 3036#endif
1968 3037
1969 for (i = NUMPRI; i--; ) 3038 for (i = NUMPRI; i--; )
1970 { 3039 {
1971 array_free (pending, [i]); 3040 array_free (pending, [i]);
… …
2013 3082
2014inline_size void 3083inline_size void
2015loop_fork (EV_P) 3084loop_fork (EV_P)
2016{ 3085{
2017#if EV_USE_PORT 3086#if EV_USE_PORT
2018 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3087 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2019#endif 3088#endif
2020#if EV_USE_KQUEUE 3089#if EV_USE_KQUEUE
2021 if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); 3090 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3091#endif
3092#if EV_USE_LINUXAIO
3093 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2022#endif 3094#endif
2023#if EV_USE_EPOLL 3095#if EV_USE_EPOLL
2024 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3096 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2025#endif 3097#endif
2026#if EV_USE_INOTIFY 3098#if EV_USE_INOTIFY
2027 infy_fork (EV_A); 3099 infy_fork (EV_A);
2028#endif 3100#endif
2029 3101
3102#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2030 if (ev_is_active (&pipe_w)) 3103 if (ev_is_active (&pipe_w) && postfork != 2)
2031 { 3104 {
2032 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ 3105 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2033 3106
2034 ev_ref (EV_A); 3107 ev_ref (EV_A);
2035 ev_io_stop (EV_A_ &pipe_w); 3108 ev_io_stop (EV_A_ &pipe_w);
2036 3109
2037#if EV_USE_EVENTFD
2038 if (evfd >= 0)
2039 close (evfd);
2040#endif
2041
2042 if (evpipe [0] >= 0) 3110 if (evpipe [0] >= 0)
2043 {
2044 EV_WIN32_CLOSE_FD (evpipe [0]); 3111 EV_WIN32_CLOSE_FD (evpipe [0]);
2045 EV_WIN32_CLOSE_FD (evpipe [1]);
2046 }
2047 3112
2048#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2049 evpipe_init (EV_A); 3113 evpipe_init (EV_A);
2050 /* now iterate over everything, in case we missed something */ 3114 /* iterate over everything, in case we missed something before */
2051 pipecb (EV_A_ &pipe_w, EV_READ); 3115 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2052#endif
2053 } 3116 }
3117#endif
2054 3118
2055 postfork = 0; 3119 postfork = 0;
2056} 3120}
2057 3121
2058#if EV_MULTIPLICITY 3122#if EV_MULTIPLICITY
2059 3123
3124ecb_cold
2060struct ev_loop * ecb_cold 3125struct ev_loop *
2061ev_loop_new (unsigned int flags) 3126ev_loop_new (unsigned int flags) EV_NOEXCEPT
2062{ 3127{
2063 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3128 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2064 3129
2065 memset (EV_A, 0, sizeof (struct ev_loop)); 3130 memset (EV_A, 0, sizeof (struct ev_loop));
2066 loop_init (EV_A_ flags); 3131 loop_init (EV_A_ flags);
… …
2073} 3138}
2074 3139
2075#endif /* multiplicity */ 3140#endif /* multiplicity */
2076 3141
2077#if EV_VERIFY 3142#if EV_VERIFY
2078static void noinline ecb_cold 3143noinline ecb_cold
3144static void
2079verify_watcher (EV_P_ W w) 3145verify_watcher (EV_P_ W w)
2080{ 3146{
2081 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 3147 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2082 3148
2083 if (w->pending) 3149 if (w->pending)
2084 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 3150 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2085} 3151}
2086 3152
2087static void noinline ecb_cold 3153noinline ecb_cold
3154static void
2088verify_heap (EV_P_ ANHE *heap, int N) 3155verify_heap (EV_P_ ANHE *heap, int N)
2089{ 3156{
2090 int i; 3157 int i;
2091 3158
2092 for (i = HEAP0; i < N + HEAP0; ++i) 3159 for (i = HEAP0; i < N + HEAP0; ++i)
… …
2097 3164
2098 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 3165 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2099 } 3166 }
2100} 3167}
2101 3168
2102static void noinline ecb_cold 3169noinline ecb_cold
3170static void
2103array_verify (EV_P_ W *ws, int cnt) 3171array_verify (EV_P_ W *ws, int cnt)
2104{ 3172{
2105 while (cnt--) 3173 while (cnt--)
2106 { 3174 {
2107 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 3175 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
… …
2110} 3178}
2111#endif 3179#endif
2112 3180
2113#if EV_FEATURE_API 3181#if EV_FEATURE_API
2114void ecb_cold 3182void ecb_cold
2115ev_verify (EV_P) 3183ev_verify (EV_P) EV_NOEXCEPT
2116{ 3184{
2117#if EV_VERIFY 3185#if EV_VERIFY
2118 int i; 3186 int i;
2119 WL w; 3187 WL w, w2;
2120 3188
2121 assert (activecnt >= -1); 3189 assert (activecnt >= -1);
2122 3190
2123 assert (fdchangemax >= fdchangecnt); 3191 assert (fdchangemax >= fdchangecnt);
2124 for (i = 0; i < fdchangecnt; ++i) 3192 for (i = 0; i < fdchangecnt; ++i)
2125 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 3193 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2126 3194
2127 assert (anfdmax >= 0); 3195 assert (anfdmax >= 0);
2128 for (i = 0; i < anfdmax; ++i) 3196 for (i = 0; i < anfdmax; ++i)
3197 {
3198 int j = 0;
3199
2129 for (w = anfds [i].head; w; w = w->next) 3200 for (w = w2 = anfds [i].head; w; w = w->next)
2130 { 3201 {
2131 verify_watcher (EV_A_ (W)w); 3202 verify_watcher (EV_A_ (W)w);
3203
3204 if (j++ & 1)
3205 {
3206 assert (("libev: io watcher list contains a loop", w != w2));
3207 w2 = w2->next;
3208 }
3209
2132 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 3210 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)); 3211 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2134 } 3212 }
3213 }
2135 3214
2136 assert (timermax >= timercnt); 3215 assert (timermax >= timercnt);
2137 verify_heap (EV_A_ timers, timercnt); 3216 verify_heap (EV_A_ timers, timercnt);
2138 3217
2139#if EV_PERIODIC_ENABLE 3218#if EV_PERIODIC_ENABLE
… …
2185#endif 3264#endif
2186} 3265}
2187#endif 3266#endif
2188 3267
2189#if EV_MULTIPLICITY 3268#if EV_MULTIPLICITY
3269ecb_cold
2190struct ev_loop * ecb_cold 3270struct ev_loop *
2191#else 3271#else
2192int 3272int
2193#endif 3273#endif
2194ev_default_loop (unsigned int flags) 3274ev_default_loop (unsigned int flags) EV_NOEXCEPT
2195{ 3275{
2196 if (!ev_default_loop_ptr) 3276 if (!ev_default_loop_ptr)
2197 { 3277 {
2198#if EV_MULTIPLICITY 3278#if EV_MULTIPLICITY
2199 EV_P = ev_default_loop_ptr = &default_loop_struct; 3279 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2218 3298
2219 return ev_default_loop_ptr; 3299 return ev_default_loop_ptr;
2220} 3300}
2221 3301
2222void 3302void
2223ev_loop_fork (EV_P) 3303ev_loop_fork (EV_P) EV_NOEXCEPT
2224{ 3304{
2225 postfork = 1; /* must be in line with ev_default_fork */ 3305 postfork = 1;
2226} 3306}
2227 3307
2228/*****************************************************************************/ 3308/*****************************************************************************/
2229 3309
2230void 3310void
… …
2232{ 3312{
2233 EV_CB_INVOKE ((W)w, revents); 3313 EV_CB_INVOKE ((W)w, revents);
2234} 3314}
2235 3315
2236unsigned int 3316unsigned int
2237ev_pending_count (EV_P) 3317ev_pending_count (EV_P) EV_NOEXCEPT
2238{ 3318{
2239 int pri; 3319 int pri;
2240 unsigned int count = 0; 3320 unsigned int count = 0;
2241 3321
2242 for (pri = NUMPRI; pri--; ) 3322 for (pri = NUMPRI; pri--; )
2243 count += pendingcnt [pri]; 3323 count += pendingcnt [pri];
2244 3324
2245 return count; 3325 return count;
2246} 3326}
2247 3327
2248void noinline 3328noinline
3329void
2249ev_invoke_pending (EV_P) 3330ev_invoke_pending (EV_P)
2250{ 3331{
2251 int pri; 3332 pendingpri = NUMPRI;
2252 3333
2253 for (pri = NUMPRI; pri--; ) 3334 do
3335 {
3336 --pendingpri;
3337
3338 /* pendingpri possibly gets modified in the inner loop */
2254 while (pendingcnt [pri]) 3339 while (pendingcnt [pendingpri])
2255 { 3340 {
2256 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 3341 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2257 3342
2258 p->w->pending = 0; 3343 p->w->pending = 0;
2259 EV_CB_INVOKE (p->w, p->events); 3344 EV_CB_INVOKE (p->w, p->events);
2260 EV_FREQUENT_CHECK; 3345 EV_FREQUENT_CHECK;
2261 } 3346 }
3347 }
3348 while (pendingpri);
2262} 3349}
2263 3350
2264#if EV_IDLE_ENABLE 3351#if EV_IDLE_ENABLE
2265/* make idle watchers pending. this handles the "call-idle */ 3352/* make idle watchers pending. this handles the "call-idle */
2266/* only when higher priorities are idle" logic */ 3353/* only when higher priorities are idle" logic */
… …
2324 } 3411 }
2325} 3412}
2326 3413
2327#if EV_PERIODIC_ENABLE 3414#if EV_PERIODIC_ENABLE
2328 3415
2329static void noinline 3416noinline
3417static void
2330periodic_recalc (EV_P_ ev_periodic *w) 3418periodic_recalc (EV_P_ ev_periodic *w)
2331{ 3419{
2332 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; 3420 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
2333 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); 3421 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
2334 3422
… …
2356{ 3444{
2357 EV_FREQUENT_CHECK; 3445 EV_FREQUENT_CHECK;
2358 3446
2359 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 3447 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2360 { 3448 {
2361 int feed_count = 0;
2362
2363 do 3449 do
2364 { 3450 {
2365 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 3451 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2366 3452
2367 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ 3453 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
… …
2394 } 3480 }
2395} 3481}
2396 3482
2397/* simply recalculate all periodics */ 3483/* simply recalculate all periodics */
2398/* TODO: maybe ensure that at least one event happens when jumping forward? */ 3484/* TODO: maybe ensure that at least one event happens when jumping forward? */
2399static void noinline ecb_cold 3485noinline ecb_cold
3486static void
2400periodics_reschedule (EV_P) 3487periodics_reschedule (EV_P)
2401{ 3488{
2402 int i; 3489 int i;
2403 3490
2404 /* adjust periodics after time jump */ 3491 /* adjust periodics after time jump */
… …
2417 reheap (periodics, periodiccnt); 3504 reheap (periodics, periodiccnt);
2418} 3505}
2419#endif 3506#endif
2420 3507
2421/* adjust all timers by a given offset */ 3508/* adjust all timers by a given offset */
2422static void noinline ecb_cold 3509noinline ecb_cold
3510static void
2423timers_reschedule (EV_P_ ev_tstamp adjust) 3511timers_reschedule (EV_P_ ev_tstamp adjust)
2424{ 3512{
2425 int i; 3513 int i;
2426 3514
2427 for (i = 0; i < timercnt; ++i) 3515 for (i = 0; i < timercnt; ++i)
… …
2501 3589
2502 mn_now = ev_rt_now; 3590 mn_now = ev_rt_now;
2503 } 3591 }
2504} 3592}
2505 3593
2506void 3594int
2507ev_run (EV_P_ int flags) 3595ev_run (EV_P_ int flags)
2508{ 3596{
2509#if EV_FEATURE_API 3597#if EV_FEATURE_API
2510 ++loop_depth; 3598 ++loop_depth;
2511#endif 3599#endif
… …
2572 time_update (EV_A_ 1e100); 3660 time_update (EV_A_ 1e100);
2573 3661
2574 /* from now on, we want a pipe-wake-up */ 3662 /* from now on, we want a pipe-wake-up */
2575 pipe_write_wanted = 1; 3663 pipe_write_wanted = 1;
2576 3664
3665 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3666
2577 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 3667 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2578 { 3668 {
2579 waittime = MAX_BLOCKTIME; 3669 waittime = MAX_BLOCKTIME;
2580 3670
2581 if (timercnt) 3671 if (timercnt)
… …
2622#endif 3712#endif
2623 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3713 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2624 backend_poll (EV_A_ waittime); 3714 backend_poll (EV_A_ waittime);
2625 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3715 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2626 3716
2627 pipe_write_wanted = 0; 3717 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2628 3718
3719 ECB_MEMORY_FENCE_ACQUIRE;
2629 if (pipe_write_skipped) 3720 if (pipe_write_skipped)
2630 { 3721 {
2631 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3722 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); 3723 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2633 } 3724 }
… …
2666 loop_done = EVBREAK_CANCEL; 3757 loop_done = EVBREAK_CANCEL;
2667 3758
2668#if EV_FEATURE_API 3759#if EV_FEATURE_API
2669 --loop_depth; 3760 --loop_depth;
2670#endif 3761#endif
2671}
2672 3762
3763 return activecnt;
3764}
3765
2673void 3766void
2674ev_break (EV_P_ int how) 3767ev_break (EV_P_ int how) EV_NOEXCEPT
2675{ 3768{
2676 loop_done = how; 3769 loop_done = how;
2677} 3770}
2678 3771
2679void 3772void
2680ev_ref (EV_P) 3773ev_ref (EV_P) EV_NOEXCEPT
2681{ 3774{
2682 ++activecnt; 3775 ++activecnt;
2683} 3776}
2684 3777
2685void 3778void
2686ev_unref (EV_P) 3779ev_unref (EV_P) EV_NOEXCEPT
2687{ 3780{
2688 --activecnt; 3781 --activecnt;
2689} 3782}
2690 3783
2691void 3784void
2692ev_now_update (EV_P) 3785ev_now_update (EV_P) EV_NOEXCEPT
2693{ 3786{
2694 time_update (EV_A_ 1e100); 3787 time_update (EV_A_ 1e100);
2695} 3788}
2696 3789
2697void 3790void
2698ev_suspend (EV_P) 3791ev_suspend (EV_P) EV_NOEXCEPT
2699{ 3792{
2700 ev_now_update (EV_A); 3793 ev_now_update (EV_A);
2701} 3794}
2702 3795
2703void 3796void
2704ev_resume (EV_P) 3797ev_resume (EV_P) EV_NOEXCEPT
2705{ 3798{
2706 ev_tstamp mn_prev = mn_now; 3799 ev_tstamp mn_prev = mn_now;
2707 3800
2708 ev_now_update (EV_A); 3801 ev_now_update (EV_A);
2709 timers_reschedule (EV_A_ mn_now - mn_prev); 3802 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
2748 w->pending = 0; 3841 w->pending = 0;
2749 } 3842 }
2750} 3843}
2751 3844
2752int 3845int
2753ev_clear_pending (EV_P_ void *w) 3846ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
2754{ 3847{
2755 W w_ = (W)w; 3848 W w_ = (W)w;
2756 int pending = w_->pending; 3849 int pending = w_->pending;
2757 3850
2758 if (expect_true (pending)) 3851 if (expect_true (pending))
… …
2790 w->active = 0; 3883 w->active = 0;
2791} 3884}
2792 3885
2793/*****************************************************************************/ 3886/*****************************************************************************/
2794 3887
2795void noinline 3888noinline
3889void
2796ev_io_start (EV_P_ ev_io *w) 3890ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
2797{ 3891{
2798 int fd = w->fd; 3892 int fd = w->fd;
2799 3893
2800 if (expect_false (ev_is_active (w))) 3894 if (expect_false (ev_is_active (w)))
2801 return; 3895 return;
… …
2804 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 3898 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2805 3899
2806 EV_FREQUENT_CHECK; 3900 EV_FREQUENT_CHECK;
2807 3901
2808 ev_start (EV_A_ (W)w, 1); 3902 ev_start (EV_A_ (W)w, 1);
2809 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3903 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
2810 wlist_add (&anfds[fd].head, (WL)w); 3904 wlist_add (&anfds[fd].head, (WL)w);
3905
3906 /* common bug, apparently */
3907 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
2811 3908
2812 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3909 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2813 w->events &= ~EV__IOFDSET; 3910 w->events &= ~EV__IOFDSET;
2814 3911
2815 EV_FREQUENT_CHECK; 3912 EV_FREQUENT_CHECK;
2816} 3913}
2817 3914
2818void noinline 3915noinline
3916void
2819ev_io_stop (EV_P_ ev_io *w) 3917ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
2820{ 3918{
2821 clear_pending (EV_A_ (W)w); 3919 clear_pending (EV_A_ (W)w);
2822 if (expect_false (!ev_is_active (w))) 3920 if (expect_false (!ev_is_active (w)))
2823 return; 3921 return;
2824 3922
… …
2832 fd_change (EV_A_ w->fd, EV_ANFD_REIFY); 3930 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2833 3931
2834 EV_FREQUENT_CHECK; 3932 EV_FREQUENT_CHECK;
2835} 3933}
2836 3934
2837void noinline 3935noinline
3936void
2838ev_timer_start (EV_P_ ev_timer *w) 3937ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
2839{ 3938{
2840 if (expect_false (ev_is_active (w))) 3939 if (expect_false (ev_is_active (w)))
2841 return; 3940 return;
2842 3941
2843 ev_at (w) += mn_now; 3942 ev_at (w) += mn_now;
… …
2846 3945
2847 EV_FREQUENT_CHECK; 3946 EV_FREQUENT_CHECK;
2848 3947
2849 ++timercnt; 3948 ++timercnt;
2850 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 3949 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
2851 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 3950 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
2852 ANHE_w (timers [ev_active (w)]) = (WT)w; 3951 ANHE_w (timers [ev_active (w)]) = (WT)w;
2853 ANHE_at_cache (timers [ev_active (w)]); 3952 ANHE_at_cache (timers [ev_active (w)]);
2854 upheap (timers, ev_active (w)); 3953 upheap (timers, ev_active (w));
2855 3954
2856 EV_FREQUENT_CHECK; 3955 EV_FREQUENT_CHECK;
2857 3956
2858 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3957 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2859} 3958}
2860 3959
2861void noinline 3960noinline
3961void
2862ev_timer_stop (EV_P_ ev_timer *w) 3962ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
2863{ 3963{
2864 clear_pending (EV_A_ (W)w); 3964 clear_pending (EV_A_ (W)w);
2865 if (expect_false (!ev_is_active (w))) 3965 if (expect_false (!ev_is_active (w)))
2866 return; 3966 return;
2867 3967
… …
2886 ev_stop (EV_A_ (W)w); 3986 ev_stop (EV_A_ (W)w);
2887 3987
2888 EV_FREQUENT_CHECK; 3988 EV_FREQUENT_CHECK;
2889} 3989}
2890 3990
2891void noinline 3991noinline
3992void
2892ev_timer_again (EV_P_ ev_timer *w) 3993ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
2893{ 3994{
2894 EV_FREQUENT_CHECK; 3995 EV_FREQUENT_CHECK;
3996
3997 clear_pending (EV_A_ (W)w);
2895 3998
2896 if (ev_is_active (w)) 3999 if (ev_is_active (w))
2897 { 4000 {
2898 if (w->repeat) 4001 if (w->repeat)
2899 { 4002 {
… …
2912 4015
2913 EV_FREQUENT_CHECK; 4016 EV_FREQUENT_CHECK;
2914} 4017}
2915 4018
2916ev_tstamp 4019ev_tstamp
2917ev_timer_remaining (EV_P_ ev_timer *w) 4020ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
2918{ 4021{
2919 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4022 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2920} 4023}
2921 4024
2922#if EV_PERIODIC_ENABLE 4025#if EV_PERIODIC_ENABLE
2923void noinline 4026noinline
4027void
2924ev_periodic_start (EV_P_ ev_periodic *w) 4028ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
2925{ 4029{
2926 if (expect_false (ev_is_active (w))) 4030 if (expect_false (ev_is_active (w)))
2927 return; 4031 return;
2928 4032
2929 if (w->reschedule_cb) 4033 if (w->reschedule_cb)
… …
2938 4042
2939 EV_FREQUENT_CHECK; 4043 EV_FREQUENT_CHECK;
2940 4044
2941 ++periodiccnt; 4045 ++periodiccnt;
2942 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); 4046 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2943 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 4047 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
2944 ANHE_w (periodics [ev_active (w)]) = (WT)w; 4048 ANHE_w (periodics [ev_active (w)]) = (WT)w;
2945 ANHE_at_cache (periodics [ev_active (w)]); 4049 ANHE_at_cache (periodics [ev_active (w)]);
2946 upheap (periodics, ev_active (w)); 4050 upheap (periodics, ev_active (w));
2947 4051
2948 EV_FREQUENT_CHECK; 4052 EV_FREQUENT_CHECK;
2949 4053
2950 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4054 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2951} 4055}
2952 4056
2953void noinline 4057noinline
4058void
2954ev_periodic_stop (EV_P_ ev_periodic *w) 4059ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
2955{ 4060{
2956 clear_pending (EV_A_ (W)w); 4061 clear_pending (EV_A_ (W)w);
2957 if (expect_false (!ev_is_active (w))) 4062 if (expect_false (!ev_is_active (w)))
2958 return; 4063 return;
2959 4064
… …
2976 ev_stop (EV_A_ (W)w); 4081 ev_stop (EV_A_ (W)w);
2977 4082
2978 EV_FREQUENT_CHECK; 4083 EV_FREQUENT_CHECK;
2979} 4084}
2980 4085
2981void noinline 4086noinline
4087void
2982ev_periodic_again (EV_P_ ev_periodic *w) 4088ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
2983{ 4089{
2984 /* TODO: use adjustheap and recalculation */ 4090 /* TODO: use adjustheap and recalculation */
2985 ev_periodic_stop (EV_A_ w); 4091 ev_periodic_stop (EV_A_ w);
2986 ev_periodic_start (EV_A_ w); 4092 ev_periodic_start (EV_A_ w);
2987} 4093}
… …
2991# define SA_RESTART 0 4097# define SA_RESTART 0
2992#endif 4098#endif
2993 4099
2994#if EV_SIGNAL_ENABLE 4100#if EV_SIGNAL_ENABLE
2995 4101
2996void noinline 4102noinline
4103void
2997ev_signal_start (EV_P_ ev_signal *w) 4104ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
2998{ 4105{
2999 if (expect_false (ev_is_active (w))) 4106 if (expect_false (ev_is_active (w)))
3000 return; 4107 return;
3001 4108
3002 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4109 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3004#if EV_MULTIPLICITY 4111#if EV_MULTIPLICITY
3005 assert (("libev: a signal must not be attached to two different loops", 4112 assert (("libev: a signal must not be attached to two different loops",
3006 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); 4113 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3007 4114
3008 signals [w->signum - 1].loop = EV_A; 4115 signals [w->signum - 1].loop = EV_A;
4116 ECB_MEMORY_FENCE_RELEASE;
3009#endif 4117#endif
3010 4118
3011 EV_FREQUENT_CHECK; 4119 EV_FREQUENT_CHECK;
3012 4120
3013#if EV_USE_SIGNALFD 4121#if EV_USE_SIGNALFD
… …
3072 } 4180 }
3073 4181
3074 EV_FREQUENT_CHECK; 4182 EV_FREQUENT_CHECK;
3075} 4183}
3076 4184
3077void noinline 4185noinline
4186void
3078ev_signal_stop (EV_P_ ev_signal *w) 4187ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3079{ 4188{
3080 clear_pending (EV_A_ (W)w); 4189 clear_pending (EV_A_ (W)w);
3081 if (expect_false (!ev_is_active (w))) 4190 if (expect_false (!ev_is_active (w)))
3082 return; 4191 return;
3083 4192
… …
3114#endif 4223#endif
3115 4224
3116#if EV_CHILD_ENABLE 4225#if EV_CHILD_ENABLE
3117 4226
3118void 4227void
3119ev_child_start (EV_P_ ev_child *w) 4228ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3120{ 4229{
3121#if EV_MULTIPLICITY 4230#if EV_MULTIPLICITY
3122 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4231 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3123#endif 4232#endif
3124 if (expect_false (ev_is_active (w))) 4233 if (expect_false (ev_is_active (w)))
… …
3131 4240
3132 EV_FREQUENT_CHECK; 4241 EV_FREQUENT_CHECK;
3133} 4242}
3134 4243
3135void 4244void
3136ev_child_stop (EV_P_ ev_child *w) 4245ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3137{ 4246{
3138 clear_pending (EV_A_ (W)w); 4247 clear_pending (EV_A_ (W)w);
3139 if (expect_false (!ev_is_active (w))) 4248 if (expect_false (!ev_is_active (w)))
3140 return; 4249 return;
3141 4250
… …
3158 4267
3159#define DEF_STAT_INTERVAL 5.0074891 4268#define DEF_STAT_INTERVAL 5.0074891
3160#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ 4269#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3161#define MIN_STAT_INTERVAL 0.1074891 4270#define MIN_STAT_INTERVAL 0.1074891
3162 4271
3163static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 4272noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3164 4273
3165#if EV_USE_INOTIFY 4274#if EV_USE_INOTIFY
3166 4275
3167/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ 4276/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3168# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 4277# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3169 4278
3170static void noinline 4279noinline
4280static void
3171infy_add (EV_P_ ev_stat *w) 4281infy_add (EV_P_ ev_stat *w)
3172{ 4282{
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); 4283 w->wd = inotify_add_watch (fs_fd, w->path,
4284 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4285 | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
4286 | IN_DONT_FOLLOW | IN_MASK_ADD);
3174 4287
3175 if (w->wd >= 0) 4288 if (w->wd >= 0)
3176 { 4289 {
3177 struct statfs sfs; 4290 struct statfs sfs;
3178 4291
… …
3182 4295
3183 if (!fs_2625) 4296 if (!fs_2625)
3184 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; 4297 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3185 else if (!statfs (w->path, &sfs) 4298 else if (!statfs (w->path, &sfs)
3186 && (sfs.f_type == 0x1373 /* devfs */ 4299 && (sfs.f_type == 0x1373 /* devfs */
4300 || sfs.f_type == 0x4006 /* fat */
4301 || sfs.f_type == 0x4d44 /* msdos */
3187 || sfs.f_type == 0xEF53 /* ext2/3 */ 4302 || sfs.f_type == 0xEF53 /* ext2/3 */
4303 || sfs.f_type == 0x72b6 /* jffs2 */
4304 || sfs.f_type == 0x858458f6 /* ramfs */
4305 || sfs.f_type == 0x5346544e /* ntfs */
3188 || sfs.f_type == 0x3153464a /* jfs */ 4306 || sfs.f_type == 0x3153464a /* jfs */
4307 || sfs.f_type == 0x9123683e /* btrfs */
3189 || sfs.f_type == 0x52654973 /* reiser3 */ 4308 || sfs.f_type == 0x52654973 /* reiser3 */
3190 || sfs.f_type == 0x01021994 /* tempfs */ 4309 || sfs.f_type == 0x01021994 /* tmpfs */
3191 || sfs.f_type == 0x58465342 /* xfs */)) 4310 || sfs.f_type == 0x58465342 /* xfs */))
3192 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ 4311 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3193 else 4312 else
3194 w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ 4313 w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3195 } 4314 }
… …
3230 if (ev_is_active (&w->timer)) ev_ref (EV_A); 4349 if (ev_is_active (&w->timer)) ev_ref (EV_A);
3231 ev_timer_again (EV_A_ &w->timer); 4350 ev_timer_again (EV_A_ &w->timer);
3232 if (ev_is_active (&w->timer)) ev_unref (EV_A); 4351 if (ev_is_active (&w->timer)) ev_unref (EV_A);
3233} 4352}
3234 4353
3235static void noinline 4354noinline
4355static void
3236infy_del (EV_P_ ev_stat *w) 4356infy_del (EV_P_ ev_stat *w)
3237{ 4357{
3238 int slot; 4358 int slot;
3239 int wd = w->wd; 4359 int wd = w->wd;
3240 4360
… …
3247 4367
3248 /* remove this watcher, if others are watching it, they will rearm */ 4368 /* remove this watcher, if others are watching it, they will rearm */
3249 inotify_rm_watch (fs_fd, wd); 4369 inotify_rm_watch (fs_fd, wd);
3250} 4370}
3251 4371
3252static void noinline 4372noinline
4373static void
3253infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 4374infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
3254{ 4375{
3255 if (slot < 0) 4376 if (slot < 0)
3256 /* overflow, need to check for all hash slots */ 4377 /* overflow, need to check for all hash slots */
3257 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) 4378 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
… …
3293 infy_wd (EV_A_ ev->wd, ev->wd, ev); 4414 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3294 ofs += sizeof (struct inotify_event) + ev->len; 4415 ofs += sizeof (struct inotify_event) + ev->len;
3295 } 4416 }
3296} 4417}
3297 4418
3298inline_size void ecb_cold 4419inline_size ecb_cold
4420void
3299ev_check_2625 (EV_P) 4421ev_check_2625 (EV_P)
3300{ 4422{
3301 /* kernels < 2.6.25 are borked 4423 /* kernels < 2.6.25 are borked
3302 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 4424 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3303 */ 4425 */
… …
3308} 4430}
3309 4431
3310inline_size int 4432inline_size int
3311infy_newfd (void) 4433infy_newfd (void)
3312{ 4434{
3313#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 4435#if defined IN_CLOEXEC && defined IN_NONBLOCK
3314 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 4436 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3315 if (fd >= 0) 4437 if (fd >= 0)
3316 return fd; 4438 return fd;
3317#endif 4439#endif
3318 return inotify_init (); 4440 return inotify_init ();
… …
3393#else 4515#else
3394# define EV_LSTAT(p,b) lstat (p, b) 4516# define EV_LSTAT(p,b) lstat (p, b)
3395#endif 4517#endif
3396 4518
3397void 4519void
3398ev_stat_stat (EV_P_ ev_stat *w) 4520ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
3399{ 4521{
3400 if (lstat (w->path, &w->attr) < 0) 4522 if (lstat (w->path, &w->attr) < 0)
3401 w->attr.st_nlink = 0; 4523 w->attr.st_nlink = 0;
3402 else if (!w->attr.st_nlink) 4524 else if (!w->attr.st_nlink)
3403 w->attr.st_nlink = 1; 4525 w->attr.st_nlink = 1;
3404} 4526}
3405 4527
3406static void noinline 4528noinline
4529static void
3407stat_timer_cb (EV_P_ ev_timer *w_, int revents) 4530stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3408{ 4531{
3409 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 4532 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3410 4533
3411 ev_statdata prev = w->attr; 4534 ev_statdata prev = w->attr;
… …
3442 ev_feed_event (EV_A_ w, EV_STAT); 4565 ev_feed_event (EV_A_ w, EV_STAT);
3443 } 4566 }
3444} 4567}
3445 4568
3446void 4569void
3447ev_stat_start (EV_P_ ev_stat *w) 4570ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
3448{ 4571{
3449 if (expect_false (ev_is_active (w))) 4572 if (expect_false (ev_is_active (w)))
3450 return; 4573 return;
3451 4574
3452 ev_stat_stat (EV_A_ w); 4575 ev_stat_stat (EV_A_ w);
… …
3473 4596
3474 EV_FREQUENT_CHECK; 4597 EV_FREQUENT_CHECK;
3475} 4598}
3476 4599
3477void 4600void
3478ev_stat_stop (EV_P_ ev_stat *w) 4601ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
3479{ 4602{
3480 clear_pending (EV_A_ (W)w); 4603 clear_pending (EV_A_ (W)w);
3481 if (expect_false (!ev_is_active (w))) 4604 if (expect_false (!ev_is_active (w)))
3482 return; 4605 return;
3483 4606
… …
3499} 4622}
3500#endif 4623#endif
3501 4624
3502#if EV_IDLE_ENABLE 4625#if EV_IDLE_ENABLE
3503void 4626void
3504ev_idle_start (EV_P_ ev_idle *w) 4627ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
3505{ 4628{
3506 if (expect_false (ev_is_active (w))) 4629 if (expect_false (ev_is_active (w)))
3507 return; 4630 return;
3508 4631
3509 pri_adjust (EV_A_ (W)w); 4632 pri_adjust (EV_A_ (W)w);
… …
3514 int active = ++idlecnt [ABSPRI (w)]; 4637 int active = ++idlecnt [ABSPRI (w)];
3515 4638
3516 ++idleall; 4639 ++idleall;
3517 ev_start (EV_A_ (W)w, active); 4640 ev_start (EV_A_ (W)w, active);
3518 4641
3519 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 4642 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
3520 idles [ABSPRI (w)][active - 1] = w; 4643 idles [ABSPRI (w)][active - 1] = w;
3521 } 4644 }
3522 4645
3523 EV_FREQUENT_CHECK; 4646 EV_FREQUENT_CHECK;
3524} 4647}
3525 4648
3526void 4649void
3527ev_idle_stop (EV_P_ ev_idle *w) 4650ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
3528{ 4651{
3529 clear_pending (EV_A_ (W)w); 4652 clear_pending (EV_A_ (W)w);
3530 if (expect_false (!ev_is_active (w))) 4653 if (expect_false (!ev_is_active (w)))
3531 return; 4654 return;
3532 4655
… …
3546} 4669}
3547#endif 4670#endif
3548 4671
3549#if EV_PREPARE_ENABLE 4672#if EV_PREPARE_ENABLE
3550void 4673void
3551ev_prepare_start (EV_P_ ev_prepare *w) 4674ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
3552{ 4675{
3553 if (expect_false (ev_is_active (w))) 4676 if (expect_false (ev_is_active (w)))
3554 return; 4677 return;
3555 4678
3556 EV_FREQUENT_CHECK; 4679 EV_FREQUENT_CHECK;
3557 4680
3558 ev_start (EV_A_ (W)w, ++preparecnt); 4681 ev_start (EV_A_ (W)w, ++preparecnt);
3559 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 4682 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
3560 prepares [preparecnt - 1] = w; 4683 prepares [preparecnt - 1] = w;
3561 4684
3562 EV_FREQUENT_CHECK; 4685 EV_FREQUENT_CHECK;
3563} 4686}
3564 4687
3565void 4688void
3566ev_prepare_stop (EV_P_ ev_prepare *w) 4689ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
3567{ 4690{
3568 clear_pending (EV_A_ (W)w); 4691 clear_pending (EV_A_ (W)w);
3569 if (expect_false (!ev_is_active (w))) 4692 if (expect_false (!ev_is_active (w)))
3570 return; 4693 return;
3571 4694
… …
3584} 4707}
3585#endif 4708#endif
3586 4709
3587#if EV_CHECK_ENABLE 4710#if EV_CHECK_ENABLE
3588void 4711void
3589ev_check_start (EV_P_ ev_check *w) 4712ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
3590{ 4713{
3591 if (expect_false (ev_is_active (w))) 4714 if (expect_false (ev_is_active (w)))
3592 return; 4715 return;
3593 4716
3594 EV_FREQUENT_CHECK; 4717 EV_FREQUENT_CHECK;
3595 4718
3596 ev_start (EV_A_ (W)w, ++checkcnt); 4719 ev_start (EV_A_ (W)w, ++checkcnt);
3597 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 4720 array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
3598 checks [checkcnt - 1] = w; 4721 checks [checkcnt - 1] = w;
3599 4722
3600 EV_FREQUENT_CHECK; 4723 EV_FREQUENT_CHECK;
3601} 4724}
3602 4725
3603void 4726void
3604ev_check_stop (EV_P_ ev_check *w) 4727ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
3605{ 4728{
3606 clear_pending (EV_A_ (W)w); 4729 clear_pending (EV_A_ (W)w);
3607 if (expect_false (!ev_is_active (w))) 4730 if (expect_false (!ev_is_active (w)))
3608 return; 4731 return;
3609 4732
… …
3621 EV_FREQUENT_CHECK; 4744 EV_FREQUENT_CHECK;
3622} 4745}
3623#endif 4746#endif
3624 4747
3625#if EV_EMBED_ENABLE 4748#if EV_EMBED_ENABLE
3626void noinline 4749noinline
4750void
3627ev_embed_sweep (EV_P_ ev_embed *w) 4751ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
3628{ 4752{
3629 ev_run (w->other, EVRUN_NOWAIT); 4753 ev_run (w->other, EVRUN_NOWAIT);
3630} 4754}
3631 4755
3632static void 4756static void
… …
3680 ev_idle_stop (EV_A_ idle); 4804 ev_idle_stop (EV_A_ idle);
3681} 4805}
3682#endif 4806#endif
3683 4807
3684void 4808void
3685ev_embed_start (EV_P_ ev_embed *w) 4809ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
3686{ 4810{
3687 if (expect_false (ev_is_active (w))) 4811 if (expect_false (ev_is_active (w)))
3688 return; 4812 return;
3689 4813
3690 { 4814 {
… …
3711 4835
3712 EV_FREQUENT_CHECK; 4836 EV_FREQUENT_CHECK;
3713} 4837}
3714 4838
3715void 4839void
3716ev_embed_stop (EV_P_ ev_embed *w) 4840ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
3717{ 4841{
3718 clear_pending (EV_A_ (W)w); 4842 clear_pending (EV_A_ (W)w);
3719 if (expect_false (!ev_is_active (w))) 4843 if (expect_false (!ev_is_active (w)))
3720 return; 4844 return;
3721 4845
… …
3731} 4855}
3732#endif 4856#endif
3733 4857
3734#if EV_FORK_ENABLE 4858#if EV_FORK_ENABLE
3735void 4859void
3736ev_fork_start (EV_P_ ev_fork *w) 4860ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
3737{ 4861{
3738 if (expect_false (ev_is_active (w))) 4862 if (expect_false (ev_is_active (w)))
3739 return; 4863 return;
3740 4864
3741 EV_FREQUENT_CHECK; 4865 EV_FREQUENT_CHECK;
3742 4866
3743 ev_start (EV_A_ (W)w, ++forkcnt); 4867 ev_start (EV_A_ (W)w, ++forkcnt);
3744 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 4868 array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
3745 forks [forkcnt - 1] = w; 4869 forks [forkcnt - 1] = w;
3746 4870
3747 EV_FREQUENT_CHECK; 4871 EV_FREQUENT_CHECK;
3748} 4872}
3749 4873
3750void 4874void
3751ev_fork_stop (EV_P_ ev_fork *w) 4875ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
3752{ 4876{
3753 clear_pending (EV_A_ (W)w); 4877 clear_pending (EV_A_ (W)w);
3754 if (expect_false (!ev_is_active (w))) 4878 if (expect_false (!ev_is_active (w)))
3755 return; 4879 return;
3756 4880
… …
3769} 4893}
3770#endif 4894#endif
3771 4895
3772#if EV_CLEANUP_ENABLE 4896#if EV_CLEANUP_ENABLE
3773void 4897void
3774ev_cleanup_start (EV_P_ ev_cleanup *w) 4898ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
3775{ 4899{
3776 if (expect_false (ev_is_active (w))) 4900 if (expect_false (ev_is_active (w)))
3777 return; 4901 return;
3778 4902
3779 EV_FREQUENT_CHECK; 4903 EV_FREQUENT_CHECK;
3780 4904
3781 ev_start (EV_A_ (W)w, ++cleanupcnt); 4905 ev_start (EV_A_ (W)w, ++cleanupcnt);
3782 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 4906 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
3783 cleanups [cleanupcnt - 1] = w; 4907 cleanups [cleanupcnt - 1] = w;
3784 4908
3785 /* cleanup watchers should never keep a refcount on the loop */ 4909 /* cleanup watchers should never keep a refcount on the loop */
3786 ev_unref (EV_A); 4910 ev_unref (EV_A);
3787 EV_FREQUENT_CHECK; 4911 EV_FREQUENT_CHECK;
3788} 4912}
3789 4913
3790void 4914void
3791ev_cleanup_stop (EV_P_ ev_cleanup *w) 4915ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
3792{ 4916{
3793 clear_pending (EV_A_ (W)w); 4917 clear_pending (EV_A_ (W)w);
3794 if (expect_false (!ev_is_active (w))) 4918 if (expect_false (!ev_is_active (w)))
3795 return; 4919 return;
3796 4920
… …
3810} 4934}
3811#endif 4935#endif
3812 4936
3813#if EV_ASYNC_ENABLE 4937#if EV_ASYNC_ENABLE
3814void 4938void
3815ev_async_start (EV_P_ ev_async *w) 4939ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
3816{ 4940{
3817 if (expect_false (ev_is_active (w))) 4941 if (expect_false (ev_is_active (w)))
3818 return; 4942 return;
3819 4943
3820 w->sent = 0; 4944 w->sent = 0;
… …
3822 evpipe_init (EV_A); 4946 evpipe_init (EV_A);
3823 4947
3824 EV_FREQUENT_CHECK; 4948 EV_FREQUENT_CHECK;
3825 4949
3826 ev_start (EV_A_ (W)w, ++asynccnt); 4950 ev_start (EV_A_ (W)w, ++asynccnt);
3827 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 4951 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
3828 asyncs [asynccnt - 1] = w; 4952 asyncs [asynccnt - 1] = w;
3829 4953
3830 EV_FREQUENT_CHECK; 4954 EV_FREQUENT_CHECK;
3831} 4955}
3832 4956
3833void 4957void
3834ev_async_stop (EV_P_ ev_async *w) 4958ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
3835{ 4959{
3836 clear_pending (EV_A_ (W)w); 4960 clear_pending (EV_A_ (W)w);
3837 if (expect_false (!ev_is_active (w))) 4961 if (expect_false (!ev_is_active (w)))
3838 return; 4962 return;
3839 4963
… …
3850 4974
3851 EV_FREQUENT_CHECK; 4975 EV_FREQUENT_CHECK;
3852} 4976}
3853 4977
3854void 4978void
3855ev_async_send (EV_P_ ev_async *w) 4979ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
3856{ 4980{
3857 w->sent = 1; 4981 w->sent = 1;
3858 evpipe_write (EV_A_ &async_pending); 4982 evpipe_write (EV_A_ &async_pending);
3859} 4983}
3860#endif 4984#endif
… …
3897 5021
3898 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 5022 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3899} 5023}
3900 5024
3901void 5025void
3902ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 5026ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
3903{ 5027{
3904 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 5028 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3905
3906 if (expect_false (!once))
3907 {
3908 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3909 return;
3910 }
3911 5029
3912 once->cb = cb; 5030 once->cb = cb;
3913 once->arg = arg; 5031 once->arg = arg;
3914 5032
3915 ev_init (&once->io, once_cb_io); 5033 ev_init (&once->io, once_cb_io);
… …
3928} 5046}
3929 5047
3930/*****************************************************************************/ 5048/*****************************************************************************/
3931 5049
3932#if EV_WALK_ENABLE 5050#if EV_WALK_ENABLE
3933void ecb_cold 5051ecb_cold
5052void
3934ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 5053ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
3935{ 5054{
3936 int i, j; 5055 int i, j;
3937 ev_watcher_list *wl, *wn; 5056 ev_watcher_list *wl, *wn;
3938 5057
3939 if (types & (EV_IO | EV_EMBED)) 5058 if (types & (EV_IO | EV_EMBED))
… …
3982 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); 5101 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3983#endif 5102#endif
3984 5103
3985#if EV_IDLE_ENABLE 5104#if EV_IDLE_ENABLE
3986 if (types & EV_IDLE) 5105 if (types & EV_IDLE)
3987 for (j = NUMPRI; i--; ) 5106 for (j = NUMPRI; j--; )
3988 for (i = idlecnt [j]; i--; ) 5107 for (i = idlecnt [j]; i--; )
3989 cb (EV_A_ EV_IDLE, idles [j][i]); 5108 cb (EV_A_ EV_IDLE, idles [j][i]);
3990#endif 5109#endif
3991 5110
3992#if EV_FORK_ENABLE 5111#if EV_FORK_ENABLE
… …
4045 5164
4046#if EV_MULTIPLICITY 5165#if EV_MULTIPLICITY
4047 #include "ev_wrap.h" 5166 #include "ev_wrap.h"
4048#endif 5167#endif
4049 5168
4050EV_CPP(})
4051

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