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Comparing libev/ev.c (file contents):
Revision 1.389 by root, Wed Aug 3 15:31:23 2011 UTC vs.
Revision 1.449 by root, Sun Sep 23 21:21:58 2012 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
59# endif 59# endif
60# ifndef EV_USE_MONOTONIC 60# ifndef EV_USE_MONOTONIC
61# define EV_USE_MONOTONIC 1 61# define EV_USE_MONOTONIC 1
62# endif 62# endif
63# endif 63# endif
64# elif !defined(EV_USE_CLOCK_SYSCALL) 64# elif !defined EV_USE_CLOCK_SYSCALL
65# define EV_USE_CLOCK_SYSCALL 0 65# define EV_USE_CLOCK_SYSCALL 0
66# endif 66# endif
67 67
68# if HAVE_CLOCK_GETTIME 68# if HAVE_CLOCK_GETTIME
69# ifndef EV_USE_MONOTONIC 69# ifndef EV_USE_MONOTONIC
… …
183# include EV_H 183# include EV_H
184#else 184#else
185# include "ev.h" 185# include "ev.h"
186#endif 186#endif
187 187
188EV_CPP(extern "C" {) 188#if EV_NO_THREADS
189# undef EV_NO_SMP
190# define EV_NO_SMP 1
191# undef ECB_NO_THREADS
192# define ECB_NO_THREADS 1
193#endif
194#if EV_NO_SMP
195# undef EV_NO_SMP
196# define ECB_NO_SMP 1
197#endif
189 198
190#ifndef _WIN32 199#ifndef _WIN32
191# include <sys/time.h> 200# include <sys/time.h>
192# include <sys/wait.h> 201# include <sys/wait.h>
193# include <unistd.h> 202# include <unistd.h>
194#else 203#else
195# include <io.h> 204# include <io.h>
196# define WIN32_LEAN_AND_MEAN 205# define WIN32_LEAN_AND_MEAN
206# include <winsock2.h>
197# include <windows.h> 207# include <windows.h>
198# ifndef EV_SELECT_IS_WINSOCKET 208# ifndef EV_SELECT_IS_WINSOCKET
199# define EV_SELECT_IS_WINSOCKET 1 209# define EV_SELECT_IS_WINSOCKET 1
200# endif 210# endif
201# undef EV_AVOID_STDIO 211# undef EV_AVOID_STDIO
… …
210#define _DARWIN_UNLIMITED_SELECT 1 220#define _DARWIN_UNLIMITED_SELECT 1
211 221
212/* this block tries to deduce configuration from header-defined symbols and defaults */ 222/* this block tries to deduce configuration from header-defined symbols and defaults */
213 223
214/* try to deduce the maximum number of signals on this platform */ 224/* try to deduce the maximum number of signals on this platform */
215#if defined (EV_NSIG) 225#if defined EV_NSIG
216/* use what's provided */ 226/* use what's provided */
217#elif defined (NSIG) 227#elif defined NSIG
218# define EV_NSIG (NSIG) 228# define EV_NSIG (NSIG)
219#elif defined(_NSIG) 229#elif defined _NSIG
220# define EV_NSIG (_NSIG) 230# define EV_NSIG (_NSIG)
221#elif defined (SIGMAX) 231#elif defined SIGMAX
222# define EV_NSIG (SIGMAX+1) 232# define EV_NSIG (SIGMAX+1)
223#elif defined (SIG_MAX) 233#elif defined SIG_MAX
224# define EV_NSIG (SIG_MAX+1) 234# define EV_NSIG (SIG_MAX+1)
225#elif defined (_SIG_MAX) 235#elif defined _SIG_MAX
226# define EV_NSIG (_SIG_MAX+1) 236# define EV_NSIG (_SIG_MAX+1)
227#elif defined (MAXSIG) 237#elif defined MAXSIG
228# define EV_NSIG (MAXSIG+1) 238# define EV_NSIG (MAXSIG+1)
229#elif defined (MAX_SIG) 239#elif defined MAX_SIG
230# define EV_NSIG (MAX_SIG+1) 240# define EV_NSIG (MAX_SIG+1)
231#elif defined (SIGARRAYSIZE) 241#elif defined SIGARRAYSIZE
232# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233#elif defined (_sys_nsig) 243#elif defined _sys_nsig
234# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235#else 245#else
236# error "unable to find value for NSIG, please report" 246# error "unable to find value for NSIG, please report"
237/* to make it compile regardless, just remove the above line, */ 247/* to make it compile regardless, just remove the above line, */
238/* but consider reporting it, too! :) */ 248/* but consider reporting it, too! :) */
… …
250# define EV_USE_CLOCK_SYSCALL 0 260# define EV_USE_CLOCK_SYSCALL 0
251# endif 261# endif
252#endif 262#endif
253 263
254#ifndef EV_USE_MONOTONIC 264#ifndef EV_USE_MONOTONIC
255# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 265# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256# define EV_USE_MONOTONIC EV_FEATURE_OS 266# define EV_USE_MONOTONIC EV_FEATURE_OS
257# else 267# else
258# define EV_USE_MONOTONIC 0 268# define EV_USE_MONOTONIC 0
259# endif 269# endif
260#endif 270#endif
… …
350#endif 360#endif
351 361
352/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 362/* 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. */ 363/* which makes programs even slower. might work on other unices, too. */
354#if EV_USE_CLOCK_SYSCALL 364#if EV_USE_CLOCK_SYSCALL
355# include <syscall.h> 365# include <sys/syscall.h>
356# ifdef SYS_clock_gettime 366# ifdef SYS_clock_gettime
357# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 367# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358# undef EV_USE_MONOTONIC 368# undef EV_USE_MONOTONIC
359# define EV_USE_MONOTONIC 1 369# define EV_USE_MONOTONIC 1
360# else 370# else
… …
386# define EV_USE_INOTIFY 0 396# define EV_USE_INOTIFY 0
387#endif 397#endif
388 398
389#if !EV_USE_NANOSLEEP 399#if !EV_USE_NANOSLEEP
390/* hp-ux has it in sys/time.h, which we unconditionally include above */ 400/* hp-ux has it in sys/time.h, which we unconditionally include above */
391# if !defined(_WIN32) && !defined(__hpux) 401# if !defined _WIN32 && !defined __hpux
392# include <sys/select.h> 402# include <sys/select.h>
393# endif 403# endif
394#endif 404#endif
395 405
396#if EV_USE_INOTIFY 406#if EV_USE_INOTIFY
… …
399/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 409/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400# ifndef IN_DONT_FOLLOW 410# ifndef IN_DONT_FOLLOW
401# undef EV_USE_INOTIFY 411# undef EV_USE_INOTIFY
402# define EV_USE_INOTIFY 0 412# define EV_USE_INOTIFY 0
403# endif 413# endif
404#endif
405
406#if EV_SELECT_IS_WINSOCKET
407# include <winsock.h>
408#endif 414#endif
409 415
410#if EV_USE_EVENTFD 416#if EV_USE_EVENTFD
411/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 417/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412# include <stdint.h> 418# include <stdint.h>
… …
464#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 470#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465 471
466#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) 472#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) 473#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468 474
469/* the following are taken from libecb */ 475/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470/* ecb.h start */ 476/* ECB.H BEGIN */
477/*
478 * libecb - http://software.schmorp.de/pkg/libecb
479 *
480 * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
481 * Copyright (©) 2011 Emanuele Giaquinta
482 * All rights reserved.
483 *
484 * Redistribution and use in source and binary forms, with or without modifica-
485 * tion, are permitted provided that the following conditions are met:
486 *
487 * 1. Redistributions of source code must retain the above copyright notice,
488 * this list of conditions and the following disclaimer.
489 *
490 * 2. Redistributions in binary form must reproduce the above copyright
491 * notice, this list of conditions and the following disclaimer in the
492 * documentation and/or other materials provided with the distribution.
493 *
494 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
495 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
496 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
497 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
498 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
499 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
500 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
501 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
502 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
503 * OF THE POSSIBILITY OF SUCH DAMAGE.
504 */
505
506#ifndef ECB_H
507#define ECB_H
508
509/* 16 bits major, 16 bits minor */
510#define ECB_VERSION 0x00010001
511
512#ifdef _WIN32
513 typedef signed char int8_t;
514 typedef unsigned char uint8_t;
515 typedef signed short int16_t;
516 typedef unsigned short uint16_t;
517 typedef signed int int32_t;
518 typedef unsigned int uint32_t;
519 #if __GNUC__
520 typedef signed long long int64_t;
521 typedef unsigned long long uint64_t;
522 #else /* _MSC_VER || __BORLANDC__ */
523 typedef signed __int64 int64_t;
524 typedef unsigned __int64 uint64_t;
525 #endif
526 #ifdef _WIN64
527 #define ECB_PTRSIZE 8
528 typedef uint64_t uintptr_t;
529 typedef int64_t intptr_t;
530 #else
531 #define ECB_PTRSIZE 4
532 typedef uint32_t uintptr_t;
533 typedef int32_t intptr_t;
534 #endif
535 typedef intptr_t ptrdiff_t;
536#else
537 #include <inttypes.h>
538 #if UINTMAX_MAX > 0xffffffffU
539 #define ECB_PTRSIZE 8
540 #else
541 #define ECB_PTRSIZE 4
542 #endif
543#endif
471 544
472/* many compilers define _GNUC_ to some versions but then only implement 545/* many compilers define _GNUC_ to some versions but then only implement
473 * what their idiot authors think are the "more important" extensions, 546 * what their idiot authors think are the "more important" extensions,
474 * causing enourmous grief in return for some better fake benchmark numbers. 547 * causing enormous grief in return for some better fake benchmark numbers.
475 * or so. 548 * or so.
476 * we try to detect these and simply assume they are not gcc - if they have 549 * 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. 550 * an issue with that they should have done it right in the first place.
478 */ 551 */
479#ifndef ECB_GCC_VERSION 552#ifndef ECB_GCC_VERSION
480 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 553 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
481 #define ECB_GCC_VERSION(major,minor) 0 554 #define ECB_GCC_VERSION(major,minor) 0
482 #else 555 #else
483 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 556 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
484 #endif 557 #endif
485#endif 558#endif
559
560#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
561#define ECB_C99 (__STDC_VERSION__ >= 199901L)
562#define ECB_C11 (__STDC_VERSION__ >= 201112L)
563#define ECB_CPP (__cplusplus+0)
564#define ECB_CPP11 (__cplusplus >= 201103L)
565
566/*****************************************************************************/
567
568/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
569/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
570
571#if ECB_NO_THREADS
572 #define ECB_NO_SMP 1
573#endif
574
575#if ECB_NO_SMP
576 #define ECB_MEMORY_FENCE do { } while (0)
577#endif
578
579#ifndef ECB_MEMORY_FENCE
580 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
581 #if __i386 || __i386__
582 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
583 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
584 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
585 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
586 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
587 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
588 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
589 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
590 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
591 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
592 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
593 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
594 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
595 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
596 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
597 #elif __sparc || __sparc__
598 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
599 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
600 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
601 #elif defined __s390__ || defined __s390x__
602 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
603 #elif defined __mips__
604 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
605 #elif defined __alpha__
606 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
607 #elif defined __hppa__
608 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
609 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
610 #elif defined __ia64__
611 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
612 #endif
613 #endif
614#endif
615
616#ifndef ECB_MEMORY_FENCE
617 #if ECB_GCC_VERSION(4,7)
618 /* see comment below (stdatomic.h) about the C11 memory model. */
619 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
620 #elif defined __clang && __has_feature (cxx_atomic)
621 /* see comment below (stdatomic.h) about the C11 memory model. */
622 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
623 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
624 #define ECB_MEMORY_FENCE __sync_synchronize ()
625 #elif _MSC_VER >= 1400 /* VC++ 2005 */
626 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
627 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
628 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
629 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
630 #elif defined _WIN32
631 #include <WinNT.h>
632 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
633 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
634 #include <mbarrier.h>
635 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
636 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
637 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
638 #elif __xlC__
639 #define ECB_MEMORY_FENCE __sync ()
640 #endif
641#endif
642
643#ifndef ECB_MEMORY_FENCE
644 #if ECB_C11 && !defined __STDC_NO_ATOMICS__
645 /* we assume that these memory fences work on all variables/all memory accesses, */
646 /* not just C11 atomics and atomic accesses */
647 #include <stdatomic.h>
648 /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
649 /* any fence other than seq_cst, which isn't very efficient for us. */
650 /* Why that is, we don't know - either the C11 memory model is quite useless */
651 /* for most usages, or gcc and clang have a bug */
652 /* I *currently* lean towards the latter, and inefficiently implement */
653 /* all three of ecb's fences as a seq_cst fence */
654 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
655 #endif
656#endif
657
658#ifndef ECB_MEMORY_FENCE
659 #if !ECB_AVOID_PTHREADS
660 /*
661 * if you get undefined symbol references to pthread_mutex_lock,
662 * or failure to find pthread.h, then you should implement
663 * the ECB_MEMORY_FENCE operations for your cpu/compiler
664 * OR provide pthread.h and link against the posix thread library
665 * of your system.
666 */
667 #include <pthread.h>
668 #define ECB_NEEDS_PTHREADS 1
669 #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
670
671 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
672 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
673 #endif
674#endif
675
676#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
677 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
678#endif
679
680#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
681 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
682#endif
683
684/*****************************************************************************/
486 685
487#if __cplusplus 686#if __cplusplus
488 #define ecb_inline static inline 687 #define ecb_inline static inline
489#elif ECB_GCC_VERSION(2,5) 688#elif ECB_GCC_VERSION(2,5)
490 #define ecb_inline static __inline__ 689 #define ecb_inline static __inline__
… …
492 #define ecb_inline static inline 691 #define ecb_inline static inline
493#else 692#else
494 #define ecb_inline static 693 #define ecb_inline static
495#endif 694#endif
496 695
497#ifndef ECB_MEMORY_FENCE
498 #if ECB_GCC_VERSION(2,5) 696#if ECB_GCC_VERSION(3,3)
499 #if __x86 697 #define ecb_restrict __restrict__
500 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 698#elif ECB_C99
501 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 699 #define ecb_restrict restrict
502 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE /* better be safe than sorry */ 700#else
503 #elif __amd64 701 #define ecb_restrict
504 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
505 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
506 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence")
507 #endif
508 #endif 702#endif
509#endif
510 703
511#ifndef ECB_MEMORY_FENCE 704typedef int ecb_bool;
512 #if ECB_GCC_VERSION(4,4)
513 #define ECB_MEMORY_FENCE __sync_synchronize ()
514 #define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); })
515 #define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); })
516 #elif _MSC_VER >= 1400 /* VC++ 2005 */
517 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
518 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
519 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
520 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
521 #elif defined(_WIN32)
522 #include <WinNT.h>
523 #define ECB_MEMORY_FENCE MemoryBarrier ()
524 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
525 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
526 #endif
527#endif
528 705
529#ifndef ECB_MEMORY_FENCE 706#define ECB_CONCAT_(a, b) a ## b
530 #include <pthread.h> 707#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
708#define ECB_STRINGIFY_(a) # a
709#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
531 710
532 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 711#define ecb_function_ ecb_inline
533 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
534 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
535 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
536#endif
537 712
538#if ECB_GCC_VERSION(3,1) 713#if ECB_GCC_VERSION(3,1)
539 #define ecb_attribute(attrlist) __attribute__(attrlist) 714 #define ecb_attribute(attrlist) __attribute__(attrlist)
540 #define ecb_is_constant(expr) __builtin_constant_p (expr) 715 #define ecb_is_constant(expr) __builtin_constant_p (expr)
541 #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) 716 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
… …
545 #define ecb_is_constant(expr) 0 720 #define ecb_is_constant(expr) 0
546 #define ecb_expect(expr,value) (expr) 721 #define ecb_expect(expr,value) (expr)
547 #define ecb_prefetch(addr,rw,locality) 722 #define ecb_prefetch(addr,rw,locality)
548#endif 723#endif
549 724
725/* no emulation for ecb_decltype */
726#if ECB_GCC_VERSION(4,5)
727 #define ecb_decltype(x) __decltype(x)
728#elif ECB_GCC_VERSION(3,0)
729 #define ecb_decltype(x) __typeof(x)
730#endif
731
550#define ecb_noinline ecb_attribute ((__noinline__)) 732#define ecb_noinline ecb_attribute ((__noinline__))
551#define ecb_noreturn ecb_attribute ((__noreturn__))
552#define ecb_unused ecb_attribute ((__unused__)) 733#define ecb_unused ecb_attribute ((__unused__))
553#define ecb_const ecb_attribute ((__const__)) 734#define ecb_const ecb_attribute ((__const__))
554#define ecb_pure ecb_attribute ((__pure__)) 735#define ecb_pure ecb_attribute ((__pure__))
736
737#if ECB_C11
738 #define ecb_noreturn _Noreturn
739#else
740 #define ecb_noreturn ecb_attribute ((__noreturn__))
741#endif
555 742
556#if ECB_GCC_VERSION(4,3) 743#if ECB_GCC_VERSION(4,3)
557 #define ecb_artificial ecb_attribute ((__artificial__)) 744 #define ecb_artificial ecb_attribute ((__artificial__))
558 #define ecb_hot ecb_attribute ((__hot__)) 745 #define ecb_hot ecb_attribute ((__hot__))
559 #define ecb_cold ecb_attribute ((__cold__)) 746 #define ecb_cold ecb_attribute ((__cold__))
… …
566/* put around conditional expressions if you are very sure that the */ 753/* put around conditional expressions if you are very sure that the */
567/* expression is mostly true or mostly false. note that these return */ 754/* expression is mostly true or mostly false. note that these return */
568/* booleans, not the expression. */ 755/* booleans, not the expression. */
569#define ecb_expect_false(expr) ecb_expect (!!(expr), 0) 756#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
570#define ecb_expect_true(expr) ecb_expect (!!(expr), 1) 757#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
571/* ecb.h end */ 758/* for compatibility to the rest of the world */
759#define ecb_likely(expr) ecb_expect_true (expr)
760#define ecb_unlikely(expr) ecb_expect_false (expr)
761
762/* count trailing zero bits and count # of one bits */
763#if ECB_GCC_VERSION(3,4)
764 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
765 #define ecb_ld32(x) (__builtin_clz (x) ^ 31)
766 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
767 #define ecb_ctz32(x) __builtin_ctz (x)
768 #define ecb_ctz64(x) __builtin_ctzll (x)
769 #define ecb_popcount32(x) __builtin_popcount (x)
770 /* no popcountll */
771#else
772 ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
773 ecb_function_ int
774 ecb_ctz32 (uint32_t x)
775 {
776 int r = 0;
777
778 x &= ~x + 1; /* this isolates the lowest bit */
779
780#if ECB_branchless_on_i386
781 r += !!(x & 0xaaaaaaaa) << 0;
782 r += !!(x & 0xcccccccc) << 1;
783 r += !!(x & 0xf0f0f0f0) << 2;
784 r += !!(x & 0xff00ff00) << 3;
785 r += !!(x & 0xffff0000) << 4;
786#else
787 if (x & 0xaaaaaaaa) r += 1;
788 if (x & 0xcccccccc) r += 2;
789 if (x & 0xf0f0f0f0) r += 4;
790 if (x & 0xff00ff00) r += 8;
791 if (x & 0xffff0000) r += 16;
792#endif
793
794 return r;
795 }
796
797 ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
798 ecb_function_ int
799 ecb_ctz64 (uint64_t x)
800 {
801 int shift = x & 0xffffffffU ? 0 : 32;
802 return ecb_ctz32 (x >> shift) + shift;
803 }
804
805 ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
806 ecb_function_ int
807 ecb_popcount32 (uint32_t x)
808 {
809 x -= (x >> 1) & 0x55555555;
810 x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
811 x = ((x >> 4) + x) & 0x0f0f0f0f;
812 x *= 0x01010101;
813
814 return x >> 24;
815 }
816
817 ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
818 ecb_function_ int ecb_ld32 (uint32_t x)
819 {
820 int r = 0;
821
822 if (x >> 16) { x >>= 16; r += 16; }
823 if (x >> 8) { x >>= 8; r += 8; }
824 if (x >> 4) { x >>= 4; r += 4; }
825 if (x >> 2) { x >>= 2; r += 2; }
826 if (x >> 1) { r += 1; }
827
828 return r;
829 }
830
831 ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
832 ecb_function_ int ecb_ld64 (uint64_t x)
833 {
834 int r = 0;
835
836 if (x >> 32) { x >>= 32; r += 32; }
837
838 return r + ecb_ld32 (x);
839 }
840#endif
841
842ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
843ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
844ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
845ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
846
847ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
848ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
849{
850 return ( (x * 0x0802U & 0x22110U)
851 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
852}
853
854ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
855ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
856{
857 x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
858 x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
859 x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
860 x = ( x >> 8 ) | ( x << 8);
861
862 return x;
863}
864
865ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
866ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
867{
868 x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
869 x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
870 x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
871 x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
872 x = ( x >> 16 ) | ( x << 16);
873
874 return x;
875}
876
877/* popcount64 is only available on 64 bit cpus as gcc builtin */
878/* so for this version we are lazy */
879ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
880ecb_function_ int
881ecb_popcount64 (uint64_t x)
882{
883 return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
884}
885
886ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
887ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
888ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
889ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
890ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
891ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
892ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
893ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
894
895ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
896ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
897ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
898ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
899ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
900ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
901ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
902ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
903
904#if ECB_GCC_VERSION(4,3)
905 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
906 #define ecb_bswap32(x) __builtin_bswap32 (x)
907 #define ecb_bswap64(x) __builtin_bswap64 (x)
908#else
909 ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
910 ecb_function_ uint16_t
911 ecb_bswap16 (uint16_t x)
912 {
913 return ecb_rotl16 (x, 8);
914 }
915
916 ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
917 ecb_function_ uint32_t
918 ecb_bswap32 (uint32_t x)
919 {
920 return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
921 }
922
923 ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
924 ecb_function_ uint64_t
925 ecb_bswap64 (uint64_t x)
926 {
927 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
928 }
929#endif
930
931#if ECB_GCC_VERSION(4,5)
932 #define ecb_unreachable() __builtin_unreachable ()
933#else
934 /* this seems to work fine, but gcc always emits a warning for it :/ */
935 ecb_inline void ecb_unreachable (void) ecb_noreturn;
936 ecb_inline void ecb_unreachable (void) { }
937#endif
938
939/* try to tell the compiler that some condition is definitely true */
940#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
941
942ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
943ecb_inline unsigned char
944ecb_byteorder_helper (void)
945{
946 const uint32_t u = 0x11223344;
947 return *(unsigned char *)&u;
948}
949
950ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
951ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
952ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
953ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
954
955#if ECB_GCC_VERSION(3,0) || ECB_C99
956 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
957#else
958 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
959#endif
960
961#if __cplusplus
962 template<typename T>
963 static inline T ecb_div_rd (T val, T div)
964 {
965 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
966 }
967 template<typename T>
968 static inline T ecb_div_ru (T val, T div)
969 {
970 return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
971 }
972#else
973 #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
974 #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
975#endif
976
977#if ecb_cplusplus_does_not_suck
978 /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
979 template<typename T, int N>
980 static inline int ecb_array_length (const T (&arr)[N])
981 {
982 return N;
983 }
984#else
985 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
986#endif
987
988#endif
989
990/* ECB.H END */
991
992#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
993/* if your architecture doesn't need memory fences, e.g. because it is
994 * single-cpu/core, or if you use libev in a project that doesn't use libev
995 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
996 * libev, in which cases the memory fences become nops.
997 * alternatively, you can remove this #error and link against libpthread,
998 * which will then provide the memory fences.
999 */
1000# error "memory fences not defined for your architecture, please report"
1001#endif
1002
1003#ifndef ECB_MEMORY_FENCE
1004# define ECB_MEMORY_FENCE do { } while (0)
1005# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1006# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1007#endif
572 1008
573#define expect_false(cond) ecb_expect_false (cond) 1009#define expect_false(cond) ecb_expect_false (cond)
574#define expect_true(cond) ecb_expect_true (cond) 1010#define expect_true(cond) ecb_expect_true (cond)
575#define noinline ecb_noinline 1011#define noinline ecb_noinline
576 1012
… …
722{ 1158{
723 write (STDERR_FILENO, msg, strlen (msg)); 1159 write (STDERR_FILENO, msg, strlen (msg));
724} 1160}
725#endif 1161#endif
726 1162
727static void (*syserr_cb)(const char *msg); 1163static void (*syserr_cb)(const char *msg) EV_THROW;
728 1164
729void ecb_cold 1165void ecb_cold
730ev_set_syserr_cb (void (*cb)(const char *msg)) 1166ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
731{ 1167{
732 syserr_cb = cb; 1168 syserr_cb = cb;
733} 1169}
734 1170
735static void noinline ecb_cold 1171static void noinline ecb_cold
… …
753 abort (); 1189 abort ();
754 } 1190 }
755} 1191}
756 1192
757static void * 1193static void *
758ev_realloc_emul (void *ptr, long size) 1194ev_realloc_emul (void *ptr, long size) EV_THROW
759{ 1195{
760#if __GLIBC__
761 return realloc (ptr, size);
762#else
763 /* some systems, notably openbsd and darwin, fail to properly 1196 /* some systems, notably openbsd and darwin, fail to properly
764 * implement realloc (x, 0) (as required by both ansi c-89 and 1197 * implement realloc (x, 0) (as required by both ansi c-89 and
765 * the single unix specification, so work around them here. 1198 * the single unix specification, so work around them here.
1199 * recently, also (at least) fedora and debian started breaking it,
1200 * despite documenting it otherwise.
766 */ 1201 */
767 1202
768 if (size) 1203 if (size)
769 return realloc (ptr, size); 1204 return realloc (ptr, size);
770 1205
771 free (ptr); 1206 free (ptr);
772 return 0; 1207 return 0;
773#endif
774} 1208}
775 1209
776static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1210static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
777 1211
778void ecb_cold 1212void ecb_cold
779ev_set_allocator (void *(*cb)(void *ptr, long size)) 1213ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
780{ 1214{
781 alloc = cb; 1215 alloc = cb;
782} 1216}
783 1217
784inline_speed void * 1218inline_speed void *
… …
872 #undef VAR 1306 #undef VAR
873 }; 1307 };
874 #include "ev_wrap.h" 1308 #include "ev_wrap.h"
875 1309
876 static struct ev_loop default_loop_struct; 1310 static struct ev_loop default_loop_struct;
877 struct ev_loop *ev_default_loop_ptr; 1311 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
878 1312
879#else 1313#else
880 1314
881 ev_tstamp ev_rt_now; 1315 EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
882 #define VAR(name,decl) static decl; 1316 #define VAR(name,decl) static decl;
883 #include "ev_vars.h" 1317 #include "ev_vars.h"
884 #undef VAR 1318 #undef VAR
885 1319
886 static int ev_default_loop_ptr; 1320 static int ev_default_loop_ptr;
… …
901 1335
902/*****************************************************************************/ 1336/*****************************************************************************/
903 1337
904#ifndef EV_HAVE_EV_TIME 1338#ifndef EV_HAVE_EV_TIME
905ev_tstamp 1339ev_tstamp
906ev_time (void) 1340ev_time (void) EV_THROW
907{ 1341{
908#if EV_USE_REALTIME 1342#if EV_USE_REALTIME
909 if (expect_true (have_realtime)) 1343 if (expect_true (have_realtime))
910 { 1344 {
911 struct timespec ts; 1345 struct timespec ts;
… …
935 return ev_time (); 1369 return ev_time ();
936} 1370}
937 1371
938#if EV_MULTIPLICITY 1372#if EV_MULTIPLICITY
939ev_tstamp 1373ev_tstamp
940ev_now (EV_P) 1374ev_now (EV_P) EV_THROW
941{ 1375{
942 return ev_rt_now; 1376 return ev_rt_now;
943} 1377}
944#endif 1378#endif
945 1379
946void 1380void
947ev_sleep (ev_tstamp delay) 1381ev_sleep (ev_tstamp delay) EV_THROW
948{ 1382{
949 if (delay > 0.) 1383 if (delay > 0.)
950 { 1384 {
951#if EV_USE_NANOSLEEP 1385#if EV_USE_NANOSLEEP
952 struct timespec ts; 1386 struct timespec ts;
953 1387
954 EV_TS_SET (ts, delay); 1388 EV_TS_SET (ts, delay);
955 nanosleep (&ts, 0); 1389 nanosleep (&ts, 0);
956#elif defined(_WIN32) 1390#elif defined _WIN32
957 Sleep ((unsigned long)(delay * 1e3)); 1391 Sleep ((unsigned long)(delay * 1e3));
958#else 1392#else
959 struct timeval tv; 1393 struct timeval tv;
960 1394
961 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1395 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
… …
980 1414
981 do 1415 do
982 ncur <<= 1; 1416 ncur <<= 1;
983 while (cnt > ncur); 1417 while (cnt > ncur);
984 1418
985 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ 1419 /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
986 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1420 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
987 { 1421 {
988 ncur *= elem; 1422 ncur *= elem;
989 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); 1423 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
990 ncur = ncur - sizeof (void *) * 4; 1424 ncur = ncur - sizeof (void *) * 4;
… …
1033pendingcb (EV_P_ ev_prepare *w, int revents) 1467pendingcb (EV_P_ ev_prepare *w, int revents)
1034{ 1468{
1035} 1469}
1036 1470
1037void noinline 1471void noinline
1038ev_feed_event (EV_P_ void *w, int revents) 1472ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1039{ 1473{
1040 W w_ = (W)w; 1474 W w_ = (W)w;
1041 int pri = ABSPRI (w_); 1475 int pri = ABSPRI (w_);
1042 1476
1043 if (expect_false (w_->pending)) 1477 if (expect_false (w_->pending))
… …
1047 w_->pending = ++pendingcnt [pri]; 1481 w_->pending = ++pendingcnt [pri];
1048 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1482 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1049 pendings [pri][w_->pending - 1].w = w_; 1483 pendings [pri][w_->pending - 1].w = w_;
1050 pendings [pri][w_->pending - 1].events = revents; 1484 pendings [pri][w_->pending - 1].events = revents;
1051 } 1485 }
1486
1487 pendingpri = NUMPRI - 1;
1052} 1488}
1053 1489
1054inline_speed void 1490inline_speed void
1055feed_reverse (EV_P_ W w) 1491feed_reverse (EV_P_ W w)
1056{ 1492{
… …
1102 if (expect_true (!anfd->reify)) 1538 if (expect_true (!anfd->reify))
1103 fd_event_nocheck (EV_A_ fd, revents); 1539 fd_event_nocheck (EV_A_ fd, revents);
1104} 1540}
1105 1541
1106void 1542void
1107ev_feed_fd_event (EV_P_ int fd, int revents) 1543ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1108{ 1544{
1109 if (fd >= 0 && fd < anfdmax) 1545 if (fd >= 0 && fd < anfdmax)
1110 fd_event_nocheck (EV_A_ fd, revents); 1546 fd_event_nocheck (EV_A_ fd, revents);
1111} 1547}
1112 1548
… …
1431static void noinline ecb_cold 1867static void noinline ecb_cold
1432evpipe_init (EV_P) 1868evpipe_init (EV_P)
1433{ 1869{
1434 if (!ev_is_active (&pipe_w)) 1870 if (!ev_is_active (&pipe_w))
1435 { 1871 {
1872 int fds [2];
1873
1436# if EV_USE_EVENTFD 1874# if EV_USE_EVENTFD
1875 fds [0] = -1;
1437 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1876 fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1438 if (evfd < 0 && errno == EINVAL) 1877 if (fds [1] < 0 && errno == EINVAL)
1439 evfd = eventfd (0, 0); 1878 fds [1] = eventfd (0, 0);
1440 1879
1441 if (evfd >= 0) 1880 if (fds [1] < 0)
1881# endif
1442 { 1882 {
1883 while (pipe (fds))
1884 ev_syserr ("(libev) error creating signal/async pipe");
1885
1886 fd_intern (fds [0]);
1887 }
1888
1889 fd_intern (fds [1]);
1890
1443 evpipe [0] = -1; 1891 evpipe [0] = fds [0];
1444 fd_intern (evfd); /* doing it twice doesn't hurt */ 1892
1445 ev_io_set (&pipe_w, evfd, EV_READ); 1893 if (evpipe [1] < 0)
1894 evpipe [1] = fds [1]; /* first call, set write fd */
1895 else
1896 {
1897 /* on subsequent calls, do not change evpipe [1] */
1898 /* so that evpipe_write can always rely on its value. */
1899 /* this branch does not do anything sensible on windows, */
1900 /* so must not be executed on windows */
1901
1902 dup2 (fds [1], evpipe [1]);
1903 close (fds [1]);
1904 }
1905
1906 ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
1907 ev_io_start (EV_A_ &pipe_w);
1908 ev_unref (EV_A); /* watcher should not keep loop alive */
1909 }
1910}
1911
1912inline_speed void
1913evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1914{
1915 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1916
1917 if (expect_true (*flag))
1918 return;
1919
1920 *flag = 1;
1921 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1922
1923 pipe_write_skipped = 1;
1924
1925 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1926
1927 if (pipe_write_wanted)
1928 {
1929 int old_errno;
1930
1931 pipe_write_skipped = 0;
1932 ECB_MEMORY_FENCE_RELEASE;
1933
1934 old_errno = errno; /* save errno because write will clobber it */
1935
1936#if EV_USE_EVENTFD
1937 if (evpipe [0] < 0)
1938 {
1939 uint64_t counter = 1;
1940 write (evpipe [1], &counter, sizeof (uint64_t));
1446 } 1941 }
1447 else 1942 else
1448# endif 1943#endif
1449 { 1944 {
1450 while (pipe (evpipe)) 1945#ifdef _WIN32
1451 ev_syserr ("(libev) error creating signal/async pipe"); 1946 WSABUF buf;
1452 1947 DWORD sent;
1453 fd_intern (evpipe [0]); 1948 buf.buf = &buf;
1454 fd_intern (evpipe [1]); 1949 buf.len = 1;
1455 ev_io_set (&pipe_w, evpipe [0], EV_READ); 1950 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1456 } 1951#else
1457
1458 ev_io_start (EV_A_ &pipe_w);
1459 ev_unref (EV_A); /* watcher should not keep loop alive */
1460 }
1461}
1462
1463inline_speed void
1464evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1465{
1466 if (expect_true (*flag))
1467 return;
1468
1469 *flag = 1;
1470
1471 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1472
1473 pipe_write_skipped = 1;
1474
1475 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1476
1477 if (pipe_write_wanted)
1478 {
1479 int old_errno;
1480
1481 pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
1482
1483 old_errno = errno; /* save errno because write will clobber it */
1484
1485#if EV_USE_EVENTFD
1486 if (evfd >= 0)
1487 {
1488 uint64_t counter = 1;
1489 write (evfd, &counter, sizeof (uint64_t));
1490 }
1491 else
1492#endif
1493 {
1494 /* win32 people keep sending patches that change this write() to send() */
1495 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1496 /* so when you think this write should be a send instead, please find out */
1497 /* where your send() is from - it's definitely not the microsoft send, and */
1498 /* tell me. thank you. */
1499 write (evpipe [1], &(evpipe [1]), 1); 1952 write (evpipe [1], &(evpipe [1]), 1);
1953#endif
1500 } 1954 }
1501 1955
1502 errno = old_errno; 1956 errno = old_errno;
1503 } 1957 }
1504} 1958}
… …
1511 int i; 1965 int i;
1512 1966
1513 if (revents & EV_READ) 1967 if (revents & EV_READ)
1514 { 1968 {
1515#if EV_USE_EVENTFD 1969#if EV_USE_EVENTFD
1516 if (evfd >= 0) 1970 if (evpipe [0] < 0)
1517 { 1971 {
1518 uint64_t counter; 1972 uint64_t counter;
1519 read (evfd, &counter, sizeof (uint64_t)); 1973 read (evpipe [1], &counter, sizeof (uint64_t));
1520 } 1974 }
1521 else 1975 else
1522#endif 1976#endif
1523 { 1977 {
1524 char dummy; 1978 char dummy[4];
1525 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1979#ifdef _WIN32
1980 WSABUF buf;
1981 DWORD recvd;
1982 DWORD flags = 0;
1983 buf.buf = dummy;
1984 buf.len = sizeof (dummy);
1985 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
1986#else
1526 read (evpipe [0], &dummy, 1); 1987 read (evpipe [0], &dummy, sizeof (dummy));
1988#endif
1527 } 1989 }
1528 } 1990 }
1529 1991
1530 pipe_write_skipped = 0; 1992 pipe_write_skipped = 0;
1993
1994 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1531 1995
1532#if EV_SIGNAL_ENABLE 1996#if EV_SIGNAL_ENABLE
1533 if (sig_pending) 1997 if (sig_pending)
1534 { 1998 {
1535 sig_pending = 0; 1999 sig_pending = 0;
2000
2001 ECB_MEMORY_FENCE;
1536 2002
1537 for (i = EV_NSIG - 1; i--; ) 2003 for (i = EV_NSIG - 1; i--; )
1538 if (expect_false (signals [i].pending)) 2004 if (expect_false (signals [i].pending))
1539 ev_feed_signal_event (EV_A_ i + 1); 2005 ev_feed_signal_event (EV_A_ i + 1);
1540 } 2006 }
… …
1542 2008
1543#if EV_ASYNC_ENABLE 2009#if EV_ASYNC_ENABLE
1544 if (async_pending) 2010 if (async_pending)
1545 { 2011 {
1546 async_pending = 0; 2012 async_pending = 0;
2013
2014 ECB_MEMORY_FENCE;
1547 2015
1548 for (i = asynccnt; i--; ) 2016 for (i = asynccnt; i--; )
1549 if (asyncs [i]->sent) 2017 if (asyncs [i]->sent)
1550 { 2018 {
1551 asyncs [i]->sent = 0; 2019 asyncs [i]->sent = 0;
2020 ECB_MEMORY_FENCE_RELEASE;
1552 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 2021 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1553 } 2022 }
1554 } 2023 }
1555#endif 2024#endif
1556} 2025}
1557 2026
1558/*****************************************************************************/ 2027/*****************************************************************************/
1559 2028
1560void 2029void
1561ev_feed_signal (int signum) 2030ev_feed_signal (int signum) EV_THROW
1562{ 2031{
1563#if EV_MULTIPLICITY 2032#if EV_MULTIPLICITY
2033 ECB_MEMORY_FENCE_ACQUIRE;
1564 EV_P = signals [signum - 1].loop; 2034 EV_P = signals [signum - 1].loop;
1565 2035
1566 if (!EV_A) 2036 if (!EV_A)
1567 return; 2037 return;
1568#endif 2038#endif
1569 2039
1570 if (!ev_active (&pipe_w))
1571 return;
1572
1573 signals [signum - 1].pending = 1; 2040 signals [signum - 1].pending = 1;
1574 evpipe_write (EV_A_ &sig_pending); 2041 evpipe_write (EV_A_ &sig_pending);
1575} 2042}
1576 2043
1577static void 2044static void
… …
1583 2050
1584 ev_feed_signal (signum); 2051 ev_feed_signal (signum);
1585} 2052}
1586 2053
1587void noinline 2054void noinline
1588ev_feed_signal_event (EV_P_ int signum) 2055ev_feed_signal_event (EV_P_ int signum) EV_THROW
1589{ 2056{
1590 WL w; 2057 WL w;
1591 2058
1592 if (expect_false (signum <= 0 || signum > EV_NSIG)) 2059 if (expect_false (signum <= 0 || signum >= EV_NSIG))
1593 return; 2060 return;
1594 2061
1595 --signum; 2062 --signum;
1596 2063
1597#if EV_MULTIPLICITY 2064#if EV_MULTIPLICITY
… …
1601 if (expect_false (signals [signum].loop != EV_A)) 2068 if (expect_false (signals [signum].loop != EV_A))
1602 return; 2069 return;
1603#endif 2070#endif
1604 2071
1605 signals [signum].pending = 0; 2072 signals [signum].pending = 0;
2073 ECB_MEMORY_FENCE_RELEASE;
1606 2074
1607 for (w = signals [signum].head; w; w = w->next) 2075 for (w = signals [signum].head; w; w = w->next)
1608 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2076 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1609} 2077}
1610 2078
… …
1709#if EV_USE_SELECT 2177#if EV_USE_SELECT
1710# include "ev_select.c" 2178# include "ev_select.c"
1711#endif 2179#endif
1712 2180
1713int ecb_cold 2181int ecb_cold
1714ev_version_major (void) 2182ev_version_major (void) EV_THROW
1715{ 2183{
1716 return EV_VERSION_MAJOR; 2184 return EV_VERSION_MAJOR;
1717} 2185}
1718 2186
1719int ecb_cold 2187int ecb_cold
1720ev_version_minor (void) 2188ev_version_minor (void) EV_THROW
1721{ 2189{
1722 return EV_VERSION_MINOR; 2190 return EV_VERSION_MINOR;
1723} 2191}
1724 2192
1725/* return true if we are running with elevated privileges and should ignore env variables */ 2193/* return true if we are running with elevated privileges and should ignore env variables */
… …
1733 || getgid () != getegid (); 2201 || getgid () != getegid ();
1734#endif 2202#endif
1735} 2203}
1736 2204
1737unsigned int ecb_cold 2205unsigned int ecb_cold
1738ev_supported_backends (void) 2206ev_supported_backends (void) EV_THROW
1739{ 2207{
1740 unsigned int flags = 0; 2208 unsigned int flags = 0;
1741 2209
1742 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2210 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1743 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2211 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
1747 2215
1748 return flags; 2216 return flags;
1749} 2217}
1750 2218
1751unsigned int ecb_cold 2219unsigned int ecb_cold
1752ev_recommended_backends (void) 2220ev_recommended_backends (void) EV_THROW
1753{ 2221{
1754 unsigned int flags = ev_supported_backends (); 2222 unsigned int flags = ev_supported_backends ();
1755 2223
1756#ifndef __NetBSD__ 2224#ifndef __NetBSD__
1757 /* kqueue is borked on everything but netbsd apparently */ 2225 /* kqueue is borked on everything but netbsd apparently */
… …
1769 2237
1770 return flags; 2238 return flags;
1771} 2239}
1772 2240
1773unsigned int ecb_cold 2241unsigned int ecb_cold
1774ev_embeddable_backends (void) 2242ev_embeddable_backends (void) EV_THROW
1775{ 2243{
1776 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2244 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1777 2245
1778 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2246 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1779 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2247 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
1781 2249
1782 return flags; 2250 return flags;
1783} 2251}
1784 2252
1785unsigned int 2253unsigned int
1786ev_backend (EV_P) 2254ev_backend (EV_P) EV_THROW
1787{ 2255{
1788 return backend; 2256 return backend;
1789} 2257}
1790 2258
1791#if EV_FEATURE_API 2259#if EV_FEATURE_API
1792unsigned int 2260unsigned int
1793ev_iteration (EV_P) 2261ev_iteration (EV_P) EV_THROW
1794{ 2262{
1795 return loop_count; 2263 return loop_count;
1796} 2264}
1797 2265
1798unsigned int 2266unsigned int
1799ev_depth (EV_P) 2267ev_depth (EV_P) EV_THROW
1800{ 2268{
1801 return loop_depth; 2269 return loop_depth;
1802} 2270}
1803 2271
1804void 2272void
1805ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2273ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1806{ 2274{
1807 io_blocktime = interval; 2275 io_blocktime = interval;
1808} 2276}
1809 2277
1810void 2278void
1811ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2279ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1812{ 2280{
1813 timeout_blocktime = interval; 2281 timeout_blocktime = interval;
1814} 2282}
1815 2283
1816void 2284void
1817ev_set_userdata (EV_P_ void *data) 2285ev_set_userdata (EV_P_ void *data) EV_THROW
1818{ 2286{
1819 userdata = data; 2287 userdata = data;
1820} 2288}
1821 2289
1822void * 2290void *
1823ev_userdata (EV_P) 2291ev_userdata (EV_P) EV_THROW
1824{ 2292{
1825 return userdata; 2293 return userdata;
1826} 2294}
1827 2295
1828void 2296void
1829ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2297ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
1830{ 2298{
1831 invoke_cb = invoke_pending_cb; 2299 invoke_cb = invoke_pending_cb;
1832} 2300}
1833 2301
1834void 2302void
1835ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2303ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1836{ 2304{
1837 release_cb = release; 2305 release_cb = release;
1838 acquire_cb = acquire; 2306 acquire_cb = acquire;
1839} 2307}
1840#endif 2308#endif
1841 2309
1842/* initialise a loop structure, must be zero-initialised */ 2310/* initialise a loop structure, must be zero-initialised */
1843static void noinline ecb_cold 2311static void noinline ecb_cold
1844loop_init (EV_P_ unsigned int flags) 2312loop_init (EV_P_ unsigned int flags) EV_THROW
1845{ 2313{
1846 if (!backend) 2314 if (!backend)
1847 { 2315 {
1848 origflags = flags; 2316 origflags = flags;
1849 2317
… …
1894#if EV_ASYNC_ENABLE 2362#if EV_ASYNC_ENABLE
1895 async_pending = 0; 2363 async_pending = 0;
1896#endif 2364#endif
1897 pipe_write_skipped = 0; 2365 pipe_write_skipped = 0;
1898 pipe_write_wanted = 0; 2366 pipe_write_wanted = 0;
2367 evpipe [0] = -1;
2368 evpipe [1] = -1;
1899#if EV_USE_INOTIFY 2369#if EV_USE_INOTIFY
1900 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 2370 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1901#endif 2371#endif
1902#if EV_USE_SIGNALFD 2372#if EV_USE_SIGNALFD
1903 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 2373 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
… …
1954 EV_INVOKE_PENDING; 2424 EV_INVOKE_PENDING;
1955 } 2425 }
1956#endif 2426#endif
1957 2427
1958#if EV_CHILD_ENABLE 2428#if EV_CHILD_ENABLE
1959 if (ev_is_active (&childev)) 2429 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1960 { 2430 {
1961 ev_ref (EV_A); /* child watcher */ 2431 ev_ref (EV_A); /* child watcher */
1962 ev_signal_stop (EV_A_ &childev); 2432 ev_signal_stop (EV_A_ &childev);
1963 } 2433 }
1964#endif 2434#endif
… …
1966 if (ev_is_active (&pipe_w)) 2436 if (ev_is_active (&pipe_w))
1967 { 2437 {
1968 /*ev_ref (EV_A);*/ 2438 /*ev_ref (EV_A);*/
1969 /*ev_io_stop (EV_A_ &pipe_w);*/ 2439 /*ev_io_stop (EV_A_ &pipe_w);*/
1970 2440
1971#if EV_USE_EVENTFD
1972 if (evfd >= 0)
1973 close (evfd);
1974#endif
1975
1976 if (evpipe [0] >= 0)
1977 {
1978 EV_WIN32_CLOSE_FD (evpipe [0]); 2441 if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1979 EV_WIN32_CLOSE_FD (evpipe [1]); 2442 if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1980 }
1981 } 2443 }
1982 2444
1983#if EV_USE_SIGNALFD 2445#if EV_USE_SIGNALFD
1984 if (ev_is_active (&sigfd_w)) 2446 if (ev_is_active (&sigfd_w))
1985 close (sigfd); 2447 close (sigfd);
… …
2071#endif 2533#endif
2072#if EV_USE_INOTIFY 2534#if EV_USE_INOTIFY
2073 infy_fork (EV_A); 2535 infy_fork (EV_A);
2074#endif 2536#endif
2075 2537
2538#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2076 if (ev_is_active (&pipe_w)) 2539 if (ev_is_active (&pipe_w))
2077 { 2540 {
2078 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ 2541 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2079 2542
2080 ev_ref (EV_A); 2543 ev_ref (EV_A);
2081 ev_io_stop (EV_A_ &pipe_w); 2544 ev_io_stop (EV_A_ &pipe_w);
2082 2545
2083#if EV_USE_EVENTFD
2084 if (evfd >= 0)
2085 close (evfd);
2086#endif
2087
2088 if (evpipe [0] >= 0) 2546 if (evpipe [0] >= 0)
2089 {
2090 EV_WIN32_CLOSE_FD (evpipe [0]); 2547 EV_WIN32_CLOSE_FD (evpipe [0]);
2091 EV_WIN32_CLOSE_FD (evpipe [1]);
2092 }
2093 2548
2094#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2095 evpipe_init (EV_A); 2549 evpipe_init (EV_A);
2096 /* now iterate over everything, in case we missed something */ 2550 /* iterate over everything, in case we missed something before */
2097 pipecb (EV_A_ &pipe_w, EV_READ); 2551 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2098#endif
2099 } 2552 }
2553#endif
2100 2554
2101 postfork = 0; 2555 postfork = 0;
2102} 2556}
2103 2557
2104#if EV_MULTIPLICITY 2558#if EV_MULTIPLICITY
2105 2559
2106struct ev_loop * ecb_cold 2560struct ev_loop * ecb_cold
2107ev_loop_new (unsigned int flags) 2561ev_loop_new (unsigned int flags) EV_THROW
2108{ 2562{
2109 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2563 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2110 2564
2111 memset (EV_A, 0, sizeof (struct ev_loop)); 2565 memset (EV_A, 0, sizeof (struct ev_loop));
2112 loop_init (EV_A_ flags); 2566 loop_init (EV_A_ flags);
… …
2156} 2610}
2157#endif 2611#endif
2158 2612
2159#if EV_FEATURE_API 2613#if EV_FEATURE_API
2160void ecb_cold 2614void ecb_cold
2161ev_verify (EV_P) 2615ev_verify (EV_P) EV_THROW
2162{ 2616{
2163#if EV_VERIFY 2617#if EV_VERIFY
2164 int i; 2618 int i;
2165 WL w; 2619 WL w, w2;
2166 2620
2167 assert (activecnt >= -1); 2621 assert (activecnt >= -1);
2168 2622
2169 assert (fdchangemax >= fdchangecnt); 2623 assert (fdchangemax >= fdchangecnt);
2170 for (i = 0; i < fdchangecnt; ++i) 2624 for (i = 0; i < fdchangecnt; ++i)
2171 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2625 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2172 2626
2173 assert (anfdmax >= 0); 2627 assert (anfdmax >= 0);
2174 for (i = 0; i < anfdmax; ++i) 2628 for (i = 0; i < anfdmax; ++i)
2629 {
2630 int j = 0;
2631
2175 for (w = anfds [i].head; w; w = w->next) 2632 for (w = w2 = anfds [i].head; w; w = w->next)
2176 { 2633 {
2177 verify_watcher (EV_A_ (W)w); 2634 verify_watcher (EV_A_ (W)w);
2635
2636 if (j++ & 1)
2637 {
2638 assert (("libev: io watcher list contains a loop", w != w2));
2639 w2 = w2->next;
2640 }
2641
2178 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2642 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2179 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2643 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2180 } 2644 }
2645 }
2181 2646
2182 assert (timermax >= timercnt); 2647 assert (timermax >= timercnt);
2183 verify_heap (EV_A_ timers, timercnt); 2648 verify_heap (EV_A_ timers, timercnt);
2184 2649
2185#if EV_PERIODIC_ENABLE 2650#if EV_PERIODIC_ENABLE
… …
2235#if EV_MULTIPLICITY 2700#if EV_MULTIPLICITY
2236struct ev_loop * ecb_cold 2701struct ev_loop * ecb_cold
2237#else 2702#else
2238int 2703int
2239#endif 2704#endif
2240ev_default_loop (unsigned int flags) 2705ev_default_loop (unsigned int flags) EV_THROW
2241{ 2706{
2242 if (!ev_default_loop_ptr) 2707 if (!ev_default_loop_ptr)
2243 { 2708 {
2244#if EV_MULTIPLICITY 2709#if EV_MULTIPLICITY
2245 EV_P = ev_default_loop_ptr = &default_loop_struct; 2710 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2264 2729
2265 return ev_default_loop_ptr; 2730 return ev_default_loop_ptr;
2266} 2731}
2267 2732
2268void 2733void
2269ev_loop_fork (EV_P) 2734ev_loop_fork (EV_P) EV_THROW
2270{ 2735{
2271 postfork = 1; /* must be in line with ev_default_fork */ 2736 postfork = 1;
2272} 2737}
2273 2738
2274/*****************************************************************************/ 2739/*****************************************************************************/
2275 2740
2276void 2741void
… …
2278{ 2743{
2279 EV_CB_INVOKE ((W)w, revents); 2744 EV_CB_INVOKE ((W)w, revents);
2280} 2745}
2281 2746
2282unsigned int 2747unsigned int
2283ev_pending_count (EV_P) 2748ev_pending_count (EV_P) EV_THROW
2284{ 2749{
2285 int pri; 2750 int pri;
2286 unsigned int count = 0; 2751 unsigned int count = 0;
2287 2752
2288 for (pri = NUMPRI; pri--; ) 2753 for (pri = NUMPRI; pri--; )
… …
2292} 2757}
2293 2758
2294void noinline 2759void noinline
2295ev_invoke_pending (EV_P) 2760ev_invoke_pending (EV_P)
2296{ 2761{
2297 int pri; 2762 pendingpri = NUMPRI;
2298 2763
2299 for (pri = NUMPRI; pri--; ) 2764 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
2765 {
2766 --pendingpri;
2767
2300 while (pendingcnt [pri]) 2768 while (pendingcnt [pendingpri])
2301 { 2769 {
2302 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2770 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2303 2771
2304 p->w->pending = 0; 2772 p->w->pending = 0;
2305 EV_CB_INVOKE (p->w, p->events); 2773 EV_CB_INVOKE (p->w, p->events);
2306 EV_FREQUENT_CHECK; 2774 EV_FREQUENT_CHECK;
2307 } 2775 }
2776 }
2308} 2777}
2309 2778
2310#if EV_IDLE_ENABLE 2779#if EV_IDLE_ENABLE
2311/* make idle watchers pending. this handles the "call-idle */ 2780/* make idle watchers pending. this handles the "call-idle */
2312/* only when higher priorities are idle" logic */ 2781/* only when higher priorities are idle" logic */
… …
2402{ 2871{
2403 EV_FREQUENT_CHECK; 2872 EV_FREQUENT_CHECK;
2404 2873
2405 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 2874 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2406 { 2875 {
2407 int feed_count = 0;
2408
2409 do 2876 do
2410 { 2877 {
2411 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 2878 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2412 2879
2413 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ 2880 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
… …
2547 3014
2548 mn_now = ev_rt_now; 3015 mn_now = ev_rt_now;
2549 } 3016 }
2550} 3017}
2551 3018
2552void 3019int
2553ev_run (EV_P_ int flags) 3020ev_run (EV_P_ int flags)
2554{ 3021{
2555#if EV_FEATURE_API 3022#if EV_FEATURE_API
2556 ++loop_depth; 3023 ++loop_depth;
2557#endif 3024#endif
… …
2670#endif 3137#endif
2671 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3138 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2672 backend_poll (EV_A_ waittime); 3139 backend_poll (EV_A_ waittime);
2673 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3140 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2674 3141
2675 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ 3142 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2676 3143
3144 ECB_MEMORY_FENCE_ACQUIRE;
2677 if (pipe_write_skipped) 3145 if (pipe_write_skipped)
2678 { 3146 {
2679 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3147 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2680 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3148 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2681 } 3149 }
… …
2714 loop_done = EVBREAK_CANCEL; 3182 loop_done = EVBREAK_CANCEL;
2715 3183
2716#if EV_FEATURE_API 3184#if EV_FEATURE_API
2717 --loop_depth; 3185 --loop_depth;
2718#endif 3186#endif
3187
3188 return activecnt;
2719} 3189}
2720 3190
2721void 3191void
2722ev_break (EV_P_ int how) 3192ev_break (EV_P_ int how) EV_THROW
2723{ 3193{
2724 loop_done = how; 3194 loop_done = how;
2725} 3195}
2726 3196
2727void 3197void
2728ev_ref (EV_P) 3198ev_ref (EV_P) EV_THROW
2729{ 3199{
2730 ++activecnt; 3200 ++activecnt;
2731} 3201}
2732 3202
2733void 3203void
2734ev_unref (EV_P) 3204ev_unref (EV_P) EV_THROW
2735{ 3205{
2736 --activecnt; 3206 --activecnt;
2737} 3207}
2738 3208
2739void 3209void
2740ev_now_update (EV_P) 3210ev_now_update (EV_P) EV_THROW
2741{ 3211{
2742 time_update (EV_A_ 1e100); 3212 time_update (EV_A_ 1e100);
2743} 3213}
2744 3214
2745void 3215void
2746ev_suspend (EV_P) 3216ev_suspend (EV_P) EV_THROW
2747{ 3217{
2748 ev_now_update (EV_A); 3218 ev_now_update (EV_A);
2749} 3219}
2750 3220
2751void 3221void
2752ev_resume (EV_P) 3222ev_resume (EV_P) EV_THROW
2753{ 3223{
2754 ev_tstamp mn_prev = mn_now; 3224 ev_tstamp mn_prev = mn_now;
2755 3225
2756 ev_now_update (EV_A); 3226 ev_now_update (EV_A);
2757 timers_reschedule (EV_A_ mn_now - mn_prev); 3227 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
2796 w->pending = 0; 3266 w->pending = 0;
2797 } 3267 }
2798} 3268}
2799 3269
2800int 3270int
2801ev_clear_pending (EV_P_ void *w) 3271ev_clear_pending (EV_P_ void *w) EV_THROW
2802{ 3272{
2803 W w_ = (W)w; 3273 W w_ = (W)w;
2804 int pending = w_->pending; 3274 int pending = w_->pending;
2805 3275
2806 if (expect_true (pending)) 3276 if (expect_true (pending))
… …
2839} 3309}
2840 3310
2841/*****************************************************************************/ 3311/*****************************************************************************/
2842 3312
2843void noinline 3313void noinline
2844ev_io_start (EV_P_ ev_io *w) 3314ev_io_start (EV_P_ ev_io *w) EV_THROW
2845{ 3315{
2846 int fd = w->fd; 3316 int fd = w->fd;
2847 3317
2848 if (expect_false (ev_is_active (w))) 3318 if (expect_false (ev_is_active (w)))
2849 return; 3319 return;
… …
2855 3325
2856 ev_start (EV_A_ (W)w, 1); 3326 ev_start (EV_A_ (W)w, 1);
2857 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3327 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2858 wlist_add (&anfds[fd].head, (WL)w); 3328 wlist_add (&anfds[fd].head, (WL)w);
2859 3329
3330 /* common bug, apparently */
3331 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3332
2860 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3333 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2861 w->events &= ~EV__IOFDSET; 3334 w->events &= ~EV__IOFDSET;
2862 3335
2863 EV_FREQUENT_CHECK; 3336 EV_FREQUENT_CHECK;
2864} 3337}
2865 3338
2866void noinline 3339void noinline
2867ev_io_stop (EV_P_ ev_io *w) 3340ev_io_stop (EV_P_ ev_io *w) EV_THROW
2868{ 3341{
2869 clear_pending (EV_A_ (W)w); 3342 clear_pending (EV_A_ (W)w);
2870 if (expect_false (!ev_is_active (w))) 3343 if (expect_false (!ev_is_active (w)))
2871 return; 3344 return;
2872 3345
… …
2881 3354
2882 EV_FREQUENT_CHECK; 3355 EV_FREQUENT_CHECK;
2883} 3356}
2884 3357
2885void noinline 3358void noinline
2886ev_timer_start (EV_P_ ev_timer *w) 3359ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2887{ 3360{
2888 if (expect_false (ev_is_active (w))) 3361 if (expect_false (ev_is_active (w)))
2889 return; 3362 return;
2890 3363
2891 ev_at (w) += mn_now; 3364 ev_at (w) += mn_now;
… …
2905 3378
2906 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3379 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2907} 3380}
2908 3381
2909void noinline 3382void noinline
2910ev_timer_stop (EV_P_ ev_timer *w) 3383ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2911{ 3384{
2912 clear_pending (EV_A_ (W)w); 3385 clear_pending (EV_A_ (W)w);
2913 if (expect_false (!ev_is_active (w))) 3386 if (expect_false (!ev_is_active (w)))
2914 return; 3387 return;
2915 3388
… …
2935 3408
2936 EV_FREQUENT_CHECK; 3409 EV_FREQUENT_CHECK;
2937} 3410}
2938 3411
2939void noinline 3412void noinline
2940ev_timer_again (EV_P_ ev_timer *w) 3413ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2941{ 3414{
2942 EV_FREQUENT_CHECK; 3415 EV_FREQUENT_CHECK;
3416
3417 clear_pending (EV_A_ (W)w);
2943 3418
2944 if (ev_is_active (w)) 3419 if (ev_is_active (w))
2945 { 3420 {
2946 if (w->repeat) 3421 if (w->repeat)
2947 { 3422 {
… …
2960 3435
2961 EV_FREQUENT_CHECK; 3436 EV_FREQUENT_CHECK;
2962} 3437}
2963 3438
2964ev_tstamp 3439ev_tstamp
2965ev_timer_remaining (EV_P_ ev_timer *w) 3440ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2966{ 3441{
2967 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3442 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2968} 3443}
2969 3444
2970#if EV_PERIODIC_ENABLE 3445#if EV_PERIODIC_ENABLE
2971void noinline 3446void noinline
2972ev_periodic_start (EV_P_ ev_periodic *w) 3447ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2973{ 3448{
2974 if (expect_false (ev_is_active (w))) 3449 if (expect_false (ev_is_active (w)))
2975 return; 3450 return;
2976 3451
2977 if (w->reschedule_cb) 3452 if (w->reschedule_cb)
… …
2997 3472
2998 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3473 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2999} 3474}
3000 3475
3001void noinline 3476void noinline
3002ev_periodic_stop (EV_P_ ev_periodic *w) 3477ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3003{ 3478{
3004 clear_pending (EV_A_ (W)w); 3479 clear_pending (EV_A_ (W)w);
3005 if (expect_false (!ev_is_active (w))) 3480 if (expect_false (!ev_is_active (w)))
3006 return; 3481 return;
3007 3482
… …
3025 3500
3026 EV_FREQUENT_CHECK; 3501 EV_FREQUENT_CHECK;
3027} 3502}
3028 3503
3029void noinline 3504void noinline
3030ev_periodic_again (EV_P_ ev_periodic *w) 3505ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3031{ 3506{
3032 /* TODO: use adjustheap and recalculation */ 3507 /* TODO: use adjustheap and recalculation */
3033 ev_periodic_stop (EV_A_ w); 3508 ev_periodic_stop (EV_A_ w);
3034 ev_periodic_start (EV_A_ w); 3509 ev_periodic_start (EV_A_ w);
3035} 3510}
… …
3040#endif 3515#endif
3041 3516
3042#if EV_SIGNAL_ENABLE 3517#if EV_SIGNAL_ENABLE
3043 3518
3044void noinline 3519void noinline
3045ev_signal_start (EV_P_ ev_signal *w) 3520ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3046{ 3521{
3047 if (expect_false (ev_is_active (w))) 3522 if (expect_false (ev_is_active (w)))
3048 return; 3523 return;
3049 3524
3050 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3525 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3052#if EV_MULTIPLICITY 3527#if EV_MULTIPLICITY
3053 assert (("libev: a signal must not be attached to two different loops", 3528 assert (("libev: a signal must not be attached to two different loops",
3054 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); 3529 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3055 3530
3056 signals [w->signum - 1].loop = EV_A; 3531 signals [w->signum - 1].loop = EV_A;
3532 ECB_MEMORY_FENCE_RELEASE;
3057#endif 3533#endif
3058 3534
3059 EV_FREQUENT_CHECK; 3535 EV_FREQUENT_CHECK;
3060 3536
3061#if EV_USE_SIGNALFD 3537#if EV_USE_SIGNALFD
… …
3121 3597
3122 EV_FREQUENT_CHECK; 3598 EV_FREQUENT_CHECK;
3123} 3599}
3124 3600
3125void noinline 3601void noinline
3126ev_signal_stop (EV_P_ ev_signal *w) 3602ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3127{ 3603{
3128 clear_pending (EV_A_ (W)w); 3604 clear_pending (EV_A_ (W)w);
3129 if (expect_false (!ev_is_active (w))) 3605 if (expect_false (!ev_is_active (w)))
3130 return; 3606 return;
3131 3607
… …
3162#endif 3638#endif
3163 3639
3164#if EV_CHILD_ENABLE 3640#if EV_CHILD_ENABLE
3165 3641
3166void 3642void
3167ev_child_start (EV_P_ ev_child *w) 3643ev_child_start (EV_P_ ev_child *w) EV_THROW
3168{ 3644{
3169#if EV_MULTIPLICITY 3645#if EV_MULTIPLICITY
3170 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3646 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3171#endif 3647#endif
3172 if (expect_false (ev_is_active (w))) 3648 if (expect_false (ev_is_active (w)))
… …
3179 3655
3180 EV_FREQUENT_CHECK; 3656 EV_FREQUENT_CHECK;
3181} 3657}
3182 3658
3183void 3659void
3184ev_child_stop (EV_P_ ev_child *w) 3660ev_child_stop (EV_P_ ev_child *w) EV_THROW
3185{ 3661{
3186 clear_pending (EV_A_ (W)w); 3662 clear_pending (EV_A_ (W)w);
3187 if (expect_false (!ev_is_active (w))) 3663 if (expect_false (!ev_is_active (w)))
3188 return; 3664 return;
3189 3665
… …
3356} 3832}
3357 3833
3358inline_size int 3834inline_size int
3359infy_newfd (void) 3835infy_newfd (void)
3360{ 3836{
3361#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3837#if defined IN_CLOEXEC && defined IN_NONBLOCK
3362 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3838 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3363 if (fd >= 0) 3839 if (fd >= 0)
3364 return fd; 3840 return fd;
3365#endif 3841#endif
3366 return inotify_init (); 3842 return inotify_init ();
… …
3441#else 3917#else
3442# define EV_LSTAT(p,b) lstat (p, b) 3918# define EV_LSTAT(p,b) lstat (p, b)
3443#endif 3919#endif
3444 3920
3445void 3921void
3446ev_stat_stat (EV_P_ ev_stat *w) 3922ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3447{ 3923{
3448 if (lstat (w->path, &w->attr) < 0) 3924 if (lstat (w->path, &w->attr) < 0)
3449 w->attr.st_nlink = 0; 3925 w->attr.st_nlink = 0;
3450 else if (!w->attr.st_nlink) 3926 else if (!w->attr.st_nlink)
3451 w->attr.st_nlink = 1; 3927 w->attr.st_nlink = 1;
… …
3490 ev_feed_event (EV_A_ w, EV_STAT); 3966 ev_feed_event (EV_A_ w, EV_STAT);
3491 } 3967 }
3492} 3968}
3493 3969
3494void 3970void
3495ev_stat_start (EV_P_ ev_stat *w) 3971ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3496{ 3972{
3497 if (expect_false (ev_is_active (w))) 3973 if (expect_false (ev_is_active (w)))
3498 return; 3974 return;
3499 3975
3500 ev_stat_stat (EV_A_ w); 3976 ev_stat_stat (EV_A_ w);
… …
3521 3997
3522 EV_FREQUENT_CHECK; 3998 EV_FREQUENT_CHECK;
3523} 3999}
3524 4000
3525void 4001void
3526ev_stat_stop (EV_P_ ev_stat *w) 4002ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3527{ 4003{
3528 clear_pending (EV_A_ (W)w); 4004 clear_pending (EV_A_ (W)w);
3529 if (expect_false (!ev_is_active (w))) 4005 if (expect_false (!ev_is_active (w)))
3530 return; 4006 return;
3531 4007
… …
3547} 4023}
3548#endif 4024#endif
3549 4025
3550#if EV_IDLE_ENABLE 4026#if EV_IDLE_ENABLE
3551void 4027void
3552ev_idle_start (EV_P_ ev_idle *w) 4028ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3553{ 4029{
3554 if (expect_false (ev_is_active (w))) 4030 if (expect_false (ev_is_active (w)))
3555 return; 4031 return;
3556 4032
3557 pri_adjust (EV_A_ (W)w); 4033 pri_adjust (EV_A_ (W)w);
… …
3570 4046
3571 EV_FREQUENT_CHECK; 4047 EV_FREQUENT_CHECK;
3572} 4048}
3573 4049
3574void 4050void
3575ev_idle_stop (EV_P_ ev_idle *w) 4051ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3576{ 4052{
3577 clear_pending (EV_A_ (W)w); 4053 clear_pending (EV_A_ (W)w);
3578 if (expect_false (!ev_is_active (w))) 4054 if (expect_false (!ev_is_active (w)))
3579 return; 4055 return;
3580 4056
… …
3594} 4070}
3595#endif 4071#endif
3596 4072
3597#if EV_PREPARE_ENABLE 4073#if EV_PREPARE_ENABLE
3598void 4074void
3599ev_prepare_start (EV_P_ ev_prepare *w) 4075ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3600{ 4076{
3601 if (expect_false (ev_is_active (w))) 4077 if (expect_false (ev_is_active (w)))
3602 return; 4078 return;
3603 4079
3604 EV_FREQUENT_CHECK; 4080 EV_FREQUENT_CHECK;
… …
3609 4085
3610 EV_FREQUENT_CHECK; 4086 EV_FREQUENT_CHECK;
3611} 4087}
3612 4088
3613void 4089void
3614ev_prepare_stop (EV_P_ ev_prepare *w) 4090ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3615{ 4091{
3616 clear_pending (EV_A_ (W)w); 4092 clear_pending (EV_A_ (W)w);
3617 if (expect_false (!ev_is_active (w))) 4093 if (expect_false (!ev_is_active (w)))
3618 return; 4094 return;
3619 4095
… …
3632} 4108}
3633#endif 4109#endif
3634 4110
3635#if EV_CHECK_ENABLE 4111#if EV_CHECK_ENABLE
3636void 4112void
3637ev_check_start (EV_P_ ev_check *w) 4113ev_check_start (EV_P_ ev_check *w) EV_THROW
3638{ 4114{
3639 if (expect_false (ev_is_active (w))) 4115 if (expect_false (ev_is_active (w)))
3640 return; 4116 return;
3641 4117
3642 EV_FREQUENT_CHECK; 4118 EV_FREQUENT_CHECK;
… …
3647 4123
3648 EV_FREQUENT_CHECK; 4124 EV_FREQUENT_CHECK;
3649} 4125}
3650 4126
3651void 4127void
3652ev_check_stop (EV_P_ ev_check *w) 4128ev_check_stop (EV_P_ ev_check *w) EV_THROW
3653{ 4129{
3654 clear_pending (EV_A_ (W)w); 4130 clear_pending (EV_A_ (W)w);
3655 if (expect_false (!ev_is_active (w))) 4131 if (expect_false (!ev_is_active (w)))
3656 return; 4132 return;
3657 4133
… …
3670} 4146}
3671#endif 4147#endif
3672 4148
3673#if EV_EMBED_ENABLE 4149#if EV_EMBED_ENABLE
3674void noinline 4150void noinline
3675ev_embed_sweep (EV_P_ ev_embed *w) 4151ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3676{ 4152{
3677 ev_run (w->other, EVRUN_NOWAIT); 4153 ev_run (w->other, EVRUN_NOWAIT);
3678} 4154}
3679 4155
3680static void 4156static void
… …
3728 ev_idle_stop (EV_A_ idle); 4204 ev_idle_stop (EV_A_ idle);
3729} 4205}
3730#endif 4206#endif
3731 4207
3732void 4208void
3733ev_embed_start (EV_P_ ev_embed *w) 4209ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3734{ 4210{
3735 if (expect_false (ev_is_active (w))) 4211 if (expect_false (ev_is_active (w)))
3736 return; 4212 return;
3737 4213
3738 { 4214 {
… …
3759 4235
3760 EV_FREQUENT_CHECK; 4236 EV_FREQUENT_CHECK;
3761} 4237}
3762 4238
3763void 4239void
3764ev_embed_stop (EV_P_ ev_embed *w) 4240ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3765{ 4241{
3766 clear_pending (EV_A_ (W)w); 4242 clear_pending (EV_A_ (W)w);
3767 if (expect_false (!ev_is_active (w))) 4243 if (expect_false (!ev_is_active (w)))
3768 return; 4244 return;
3769 4245
… …
3779} 4255}
3780#endif 4256#endif
3781 4257
3782#if EV_FORK_ENABLE 4258#if EV_FORK_ENABLE
3783void 4259void
3784ev_fork_start (EV_P_ ev_fork *w) 4260ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3785{ 4261{
3786 if (expect_false (ev_is_active (w))) 4262 if (expect_false (ev_is_active (w)))
3787 return; 4263 return;
3788 4264
3789 EV_FREQUENT_CHECK; 4265 EV_FREQUENT_CHECK;
… …
3794 4270
3795 EV_FREQUENT_CHECK; 4271 EV_FREQUENT_CHECK;
3796} 4272}
3797 4273
3798void 4274void
3799ev_fork_stop (EV_P_ ev_fork *w) 4275ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3800{ 4276{
3801 clear_pending (EV_A_ (W)w); 4277 clear_pending (EV_A_ (W)w);
3802 if (expect_false (!ev_is_active (w))) 4278 if (expect_false (!ev_is_active (w)))
3803 return; 4279 return;
3804 4280
… …
3817} 4293}
3818#endif 4294#endif
3819 4295
3820#if EV_CLEANUP_ENABLE 4296#if EV_CLEANUP_ENABLE
3821void 4297void
3822ev_cleanup_start (EV_P_ ev_cleanup *w) 4298ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3823{ 4299{
3824 if (expect_false (ev_is_active (w))) 4300 if (expect_false (ev_is_active (w)))
3825 return; 4301 return;
3826 4302
3827 EV_FREQUENT_CHECK; 4303 EV_FREQUENT_CHECK;
… …
3834 ev_unref (EV_A); 4310 ev_unref (EV_A);
3835 EV_FREQUENT_CHECK; 4311 EV_FREQUENT_CHECK;
3836} 4312}
3837 4313
3838void 4314void
3839ev_cleanup_stop (EV_P_ ev_cleanup *w) 4315ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3840{ 4316{
3841 clear_pending (EV_A_ (W)w); 4317 clear_pending (EV_A_ (W)w);
3842 if (expect_false (!ev_is_active (w))) 4318 if (expect_false (!ev_is_active (w)))
3843 return; 4319 return;
3844 4320
… …
3858} 4334}
3859#endif 4335#endif
3860 4336
3861#if EV_ASYNC_ENABLE 4337#if EV_ASYNC_ENABLE
3862void 4338void
3863ev_async_start (EV_P_ ev_async *w) 4339ev_async_start (EV_P_ ev_async *w) EV_THROW
3864{ 4340{
3865 if (expect_false (ev_is_active (w))) 4341 if (expect_false (ev_is_active (w)))
3866 return; 4342 return;
3867 4343
3868 w->sent = 0; 4344 w->sent = 0;
… …
3877 4353
3878 EV_FREQUENT_CHECK; 4354 EV_FREQUENT_CHECK;
3879} 4355}
3880 4356
3881void 4357void
3882ev_async_stop (EV_P_ ev_async *w) 4358ev_async_stop (EV_P_ ev_async *w) EV_THROW
3883{ 4359{
3884 clear_pending (EV_A_ (W)w); 4360 clear_pending (EV_A_ (W)w);
3885 if (expect_false (!ev_is_active (w))) 4361 if (expect_false (!ev_is_active (w)))
3886 return; 4362 return;
3887 4363
… …
3898 4374
3899 EV_FREQUENT_CHECK; 4375 EV_FREQUENT_CHECK;
3900} 4376}
3901 4377
3902void 4378void
3903ev_async_send (EV_P_ ev_async *w) 4379ev_async_send (EV_P_ ev_async *w) EV_THROW
3904{ 4380{
3905 w->sent = 1; 4381 w->sent = 1;
3906 evpipe_write (EV_A_ &async_pending); 4382 evpipe_write (EV_A_ &async_pending);
3907} 4383}
3908#endif 4384#endif
… …
3945 4421
3946 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4422 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3947} 4423}
3948 4424
3949void 4425void
3950ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4426ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3951{ 4427{
3952 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4428 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3953 4429
3954 if (expect_false (!once)) 4430 if (expect_false (!once))
3955 { 4431 {
… …
3977 4453
3978/*****************************************************************************/ 4454/*****************************************************************************/
3979 4455
3980#if EV_WALK_ENABLE 4456#if EV_WALK_ENABLE
3981void ecb_cold 4457void ecb_cold
3982ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4458ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3983{ 4459{
3984 int i, j; 4460 int i, j;
3985 ev_watcher_list *wl, *wn; 4461 ev_watcher_list *wl, *wn;
3986 4462
3987 if (types & (EV_IO | EV_EMBED)) 4463 if (types & (EV_IO | EV_EMBED))
… …
4030 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); 4506 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
4031#endif 4507#endif
4032 4508
4033#if EV_IDLE_ENABLE 4509#if EV_IDLE_ENABLE
4034 if (types & EV_IDLE) 4510 if (types & EV_IDLE)
4035 for (j = NUMPRI; i--; ) 4511 for (j = NUMPRI; j--; )
4036 for (i = idlecnt [j]; i--; ) 4512 for (i = idlecnt [j]; i--; )
4037 cb (EV_A_ EV_IDLE, idles [j][i]); 4513 cb (EV_A_ EV_IDLE, idles [j][i]);
4038#endif 4514#endif
4039 4515
4040#if EV_FORK_ENABLE 4516#if EV_FORK_ENABLE
… …
4093 4569
4094#if EV_MULTIPLICITY 4570#if EV_MULTIPLICITY
4095 #include "ev_wrap.h" 4571 #include "ev_wrap.h"
4096#endif 4572#endif
4097 4573
4098EV_CPP(})
4099

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