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Comparing libev/ev.c (file contents):
Revision 1.477 by root, Sun Aug 9 00:13:28 2015 UTC vs.
Revision 1.498 by root, Wed Jun 26 00:01:46 2019 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 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 *
115# else 115# else
116# undef EV_USE_EPOLL 116# undef EV_USE_EPOLL
117# define EV_USE_EPOLL 0 117# define EV_USE_EPOLL 0
118# endif 118# endif
119 119
120# if HAVE_LINUX_AIO_ABI_H
121# ifndef EV_USE_LINUXAIO
122# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
123# endif
124# else
125# undef EV_USE_LINUXAIO
126# define EV_USE_LINUXAIO 0
127# endif
128
120# if HAVE_KQUEUE && HAVE_SYS_EVENT_H 129# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121# ifndef EV_USE_KQUEUE 130# ifndef EV_USE_KQUEUE
122# define EV_USE_KQUEUE EV_FEATURE_BACKENDS 131# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
123# endif 132# endif
124# else 133# else
162# define EV_USE_EVENTFD 0 171# define EV_USE_EVENTFD 0
163# endif 172# endif
164 173
165#endif 174#endif
166 175
176/* OS X, in its infinite idiocy, actually HARDCODES
177 * a limit of 1024 into their select. Where people have brains,
178 * OS X engineers apparently have a vacuum. Or maybe they were
179 * ordered to have a vacuum, or they do anything for money.
180 * This might help. Or not.
181 * Note that this must be defined early, as other include files
182 * will rely on this define as well.
183 */
184#define _DARWIN_UNLIMITED_SELECT 1
185
167#include <stdlib.h> 186#include <stdlib.h>
168#include <string.h> 187#include <string.h>
169#include <fcntl.h> 188#include <fcntl.h>
170#include <stddef.h> 189#include <stddef.h>
171 190
208# ifndef EV_SELECT_IS_WINSOCKET 227# ifndef EV_SELECT_IS_WINSOCKET
209# define EV_SELECT_IS_WINSOCKET 1 228# define EV_SELECT_IS_WINSOCKET 1
210# endif 229# endif
211# undef EV_AVOID_STDIO 230# undef EV_AVOID_STDIO
212#endif 231#endif
213
214/* OS X, in its infinite idiocy, actually HARDCODES
215 * a limit of 1024 into their select. Where people have brains,
216 * OS X engineers apparently have a vacuum. Or maybe they were
217 * ordered to have a vacuum, or they do anything for money.
218 * This might help. Or not.
219 */
220#define _DARWIN_UNLIMITED_SELECT 1
221 232
222/* this block tries to deduce configuration from header-defined symbols and defaults */ 233/* this block tries to deduce configuration from header-defined symbols and defaults */
223 234
224/* try to deduce the maximum number of signals on this platform */ 235/* try to deduce the maximum number of signals on this platform */
225#if defined EV_NSIG 236#if defined EV_NSIG
313 324
314#ifndef EV_USE_PORT 325#ifndef EV_USE_PORT
315# define EV_USE_PORT 0 326# define EV_USE_PORT 0
316#endif 327#endif
317 328
329#ifndef EV_USE_LINUXAIO
330# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
331# define EV_USE_LINUXAIO 1
332# else
333# define EV_USE_LINUXAIO 0
334# endif
335#endif
336
318#ifndef EV_USE_INOTIFY 337#ifndef EV_USE_INOTIFY
319# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 338# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
320# define EV_USE_INOTIFY EV_FEATURE_OS 339# define EV_USE_INOTIFY EV_FEATURE_OS
321# else 340# else
322# define EV_USE_INOTIFY 0 341# define EV_USE_INOTIFY 0
363 382
364#ifndef EV_HEAP_CACHE_AT 383#ifndef EV_HEAP_CACHE_AT
365# define EV_HEAP_CACHE_AT EV_FEATURE_DATA 384# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
366#endif 385#endif
367 386
368#ifdef ANDROID 387#ifdef __ANDROID__
369/* supposedly, android doesn't typedef fd_mask */ 388/* supposedly, android doesn't typedef fd_mask */
370# undef EV_USE_SELECT 389# undef EV_USE_SELECT
371# define EV_USE_SELECT 0 390# define EV_USE_SELECT 0
372/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ 391/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
373# undef EV_USE_CLOCK_SYSCALL 392# undef EV_USE_CLOCK_SYSCALL
414 433
415#if !EV_USE_NANOSLEEP 434#if !EV_USE_NANOSLEEP
416/* hp-ux has it in sys/time.h, which we unconditionally include above */ 435/* hp-ux has it in sys/time.h, which we unconditionally include above */
417# if !defined _WIN32 && !defined __hpux 436# if !defined _WIN32 && !defined __hpux
418# include <sys/select.h> 437# include <sys/select.h>
438# endif
439#endif
440
441#if EV_USE_LINUXAIO
442# include <sys/syscall.h>
443# if !SYS_io_getevents || !EV_USE_EPOLL /* ev_linxaio uses ev_poll.c:ev_epoll_create */
444# undef EV_USE_LINUXAIO
445# define EV_USE_LINUXAIO 0
419# endif 446# endif
420#endif 447#endif
421 448
422#if EV_USE_INOTIFY 449#if EV_USE_INOTIFY
423# include <sys/statfs.h> 450# include <sys/statfs.h>
532 559
533#ifndef ECB_H 560#ifndef ECB_H
534#define ECB_H 561#define ECB_H
535 562
536/* 16 bits major, 16 bits minor */ 563/* 16 bits major, 16 bits minor */
537#define ECB_VERSION 0x00010004 564#define ECB_VERSION 0x00010006
538 565
539#ifdef _WIN32 566#ifdef _WIN32
540 typedef signed char int8_t; 567 typedef signed char int8_t;
541 typedef unsigned char uint8_t; 568 typedef unsigned char uint8_t;
542 typedef signed short int16_t; 569 typedef signed short int16_t;
559 typedef uint32_t uintptr_t; 586 typedef uint32_t uintptr_t;
560 typedef int32_t intptr_t; 587 typedef int32_t intptr_t;
561 #endif 588 #endif
562#else 589#else
563 #include <inttypes.h> 590 #include <inttypes.h>
564 #if UINTMAX_MAX > 0xffffffffU 591 #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
565 #define ECB_PTRSIZE 8 592 #define ECB_PTRSIZE 8
566 #else 593 #else
567 #define ECB_PTRSIZE 4 594 #define ECB_PTRSIZE 4
568 #endif 595 #endif
569#endif 596#endif
607 #define ECB_CLANG_EXTENSION(x) 0 634 #define ECB_CLANG_EXTENSION(x) 0
608#endif 635#endif
609 636
610#define ECB_CPP (__cplusplus+0) 637#define ECB_CPP (__cplusplus+0)
611#define ECB_CPP11 (__cplusplus >= 201103L) 638#define ECB_CPP11 (__cplusplus >= 201103L)
639#define ECB_CPP14 (__cplusplus >= 201402L)
640#define ECB_CPP17 (__cplusplus >= 201703L)
612 641
613#if ECB_CPP 642#if ECB_CPP
614 #define ECB_C 0 643 #define ECB_C 0
615 #define ECB_STDC_VERSION 0 644 #define ECB_STDC_VERSION 0
616#else 645#else
618 #define ECB_STDC_VERSION __STDC_VERSION__ 647 #define ECB_STDC_VERSION __STDC_VERSION__
619#endif 648#endif
620 649
621#define ECB_C99 (ECB_STDC_VERSION >= 199901L) 650#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
622#define ECB_C11 (ECB_STDC_VERSION >= 201112L) 651#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
652#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
623 653
624#if ECB_CPP 654#if ECB_CPP
625 #define ECB_EXTERN_C extern "C" 655 #define ECB_EXTERN_C extern "C"
626 #define ECB_EXTERN_C_BEG ECB_EXTERN_C { 656 #define ECB_EXTERN_C_BEG ECB_EXTERN_C {
627 #define ECB_EXTERN_C_END } 657 #define ECB_EXTERN_C_END }
647/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ 677/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
648#if __xlC__ && ECB_CPP 678#if __xlC__ && ECB_CPP
649 #include <builtins.h> 679 #include <builtins.h>
650#endif 680#endif
651 681
682#if 1400 <= _MSC_VER
683 #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
684#endif
685
652#ifndef ECB_MEMORY_FENCE 686#ifndef ECB_MEMORY_FENCE
653 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 687 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
688 #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
654 #if __i386 || __i386__ 689 #if __i386 || __i386__
655 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 690 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
656 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 691 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
657 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 692 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
658 #elif ECB_GCC_AMD64 693 #elif ECB_GCC_AMD64
659 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 694 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
660 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 695 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
661 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 696 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
662 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 697 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
663 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 698 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
699 #elif defined __ARM_ARCH_2__ \
700 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
701 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
702 || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
703 || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
704 || defined __ARM_ARCH_5TEJ__
705 /* should not need any, unless running old code on newer cpu - arm doesn't support that */
664 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ 706 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
665 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ 707 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
708 || defined __ARM_ARCH_6T2__
666 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") 709 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
667 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ 710 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
668 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ 711 || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
669 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 712 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
670 #elif __aarch64__ 713 #elif __aarch64__
671 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") 714 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
672 #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) 715 #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
673 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") 716 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
700 #if ECB_GCC_VERSION(4,7) 743 #if ECB_GCC_VERSION(4,7)
701 /* see comment below (stdatomic.h) about the C11 memory model. */ 744 /* see comment below (stdatomic.h) about the C11 memory model. */
702 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) 745 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
703 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) 746 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
704 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) 747 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
748 #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
705 749
706 #elif ECB_CLANG_EXTENSION(c_atomic) 750 #elif ECB_CLANG_EXTENSION(c_atomic)
707 /* see comment below (stdatomic.h) about the C11 memory model. */ 751 /* see comment below (stdatomic.h) about the C11 memory model. */
708 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) 752 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
709 #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) 753 #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
710 #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) 754 #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
755 #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
711 756
712 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ 757 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
713 #define ECB_MEMORY_FENCE __sync_synchronize () 758 #define ECB_MEMORY_FENCE __sync_synchronize ()
714 #elif _MSC_VER >= 1500 /* VC++ 2008 */ 759 #elif _MSC_VER >= 1500 /* VC++ 2008 */
715 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ 760 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
725 #elif defined _WIN32 770 #elif defined _WIN32
726 #include <WinNT.h> 771 #include <WinNT.h>
727 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 772 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
728 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 773 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
729 #include <mbarrier.h> 774 #include <mbarrier.h>
730 #define ECB_MEMORY_FENCE __machine_rw_barrier () 775 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
731 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 776 #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
732 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () 777 #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
778 #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
733 #elif __xlC__ 779 #elif __xlC__
734 #define ECB_MEMORY_FENCE __sync () 780 #define ECB_MEMORY_FENCE __sync ()
735 #endif 781 #endif
736#endif 782#endif
737 783
738#ifndef ECB_MEMORY_FENCE 784#ifndef ECB_MEMORY_FENCE
739 #if ECB_C11 && !defined __STDC_NO_ATOMICS__ 785 #if ECB_C11 && !defined __STDC_NO_ATOMICS__
740 /* we assume that these memory fences work on all variables/all memory accesses, */ 786 /* we assume that these memory fences work on all variables/all memory accesses, */
741 /* not just C11 atomics and atomic accesses */ 787 /* not just C11 atomics and atomic accesses */
742 #include <stdatomic.h> 788 #include <stdatomic.h>
743 /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
744 /* any fence other than seq_cst, which isn't very efficient for us. */
745 /* Why that is, we don't know - either the C11 memory model is quite useless */
746 /* for most usages, or gcc and clang have a bug */
747 /* I *currently* lean towards the latter, and inefficiently implement */
748 /* all three of ecb's fences as a seq_cst fence */
749 /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
750 /* for all __atomic_thread_fence's except seq_cst */
751 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) 789 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
790 #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
791 #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
752 #endif 792 #endif
753#endif 793#endif
754 794
755#ifndef ECB_MEMORY_FENCE 795#ifndef ECB_MEMORY_FENCE
756 #if !ECB_AVOID_PTHREADS 796 #if !ECB_AVOID_PTHREADS
774 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 814 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
775#endif 815#endif
776 816
777#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE 817#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
778 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 818 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
819#endif
820
821#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
822 #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
779#endif 823#endif
780 824
781/*****************************************************************************/ 825/*****************************************************************************/
782 826
783#if ECB_CPP 827#if ECB_CPP
915#else 959#else
916 ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); 960 ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
917 ecb_function_ ecb_const int 961 ecb_function_ ecb_const int
918 ecb_ctz32 (uint32_t x) 962 ecb_ctz32 (uint32_t x)
919 { 963 {
964#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
965 unsigned long r;
966 _BitScanForward (&r, x);
967 return (int)r;
968#else
920 int r = 0; 969 int r = 0;
921 970
922 x &= ~x + 1; /* this isolates the lowest bit */ 971 x &= ~x + 1; /* this isolates the lowest bit */
923 972
924#if ECB_branchless_on_i386 973#if ECB_branchless_on_i386
934 if (x & 0xff00ff00) r += 8; 983 if (x & 0xff00ff00) r += 8;
935 if (x & 0xffff0000) r += 16; 984 if (x & 0xffff0000) r += 16;
936#endif 985#endif
937 986
938 return r; 987 return r;
988#endif
939 } 989 }
940 990
941 ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); 991 ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
942 ecb_function_ ecb_const int 992 ecb_function_ ecb_const int
943 ecb_ctz64 (uint64_t x) 993 ecb_ctz64 (uint64_t x)
944 { 994 {
995#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
996 unsigned long r;
997 _BitScanForward64 (&r, x);
998 return (int)r;
999#else
945 int shift = x & 0xffffffffU ? 0 : 32; 1000 int shift = x & 0xffffffff ? 0 : 32;
946 return ecb_ctz32 (x >> shift) + shift; 1001 return ecb_ctz32 (x >> shift) + shift;
1002#endif
947 } 1003 }
948 1004
949 ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); 1005 ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
950 ecb_function_ ecb_const int 1006 ecb_function_ ecb_const int
951 ecb_popcount32 (uint32_t x) 1007 ecb_popcount32 (uint32_t x)
959 } 1015 }
960 1016
961 ecb_function_ ecb_const int ecb_ld32 (uint32_t x); 1017 ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
962 ecb_function_ ecb_const int ecb_ld32 (uint32_t x) 1018 ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
963 { 1019 {
1020#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
1021 unsigned long r;
1022 _BitScanReverse (&r, x);
1023 return (int)r;
1024#else
964 int r = 0; 1025 int r = 0;
965 1026
966 if (x >> 16) { x >>= 16; r += 16; } 1027 if (x >> 16) { x >>= 16; r += 16; }
967 if (x >> 8) { x >>= 8; r += 8; } 1028 if (x >> 8) { x >>= 8; r += 8; }
968 if (x >> 4) { x >>= 4; r += 4; } 1029 if (x >> 4) { x >>= 4; r += 4; }
969 if (x >> 2) { x >>= 2; r += 2; } 1030 if (x >> 2) { x >>= 2; r += 2; }
970 if (x >> 1) { r += 1; } 1031 if (x >> 1) { r += 1; }
971 1032
972 return r; 1033 return r;
1034#endif
973 } 1035 }
974 1036
975 ecb_function_ ecb_const int ecb_ld64 (uint64_t x); 1037 ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
976 ecb_function_ ecb_const int ecb_ld64 (uint64_t x) 1038 ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
977 { 1039 {
1040#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
1041 unsigned long r;
1042 _BitScanReverse64 (&r, x);
1043 return (int)r;
1044#else
978 int r = 0; 1045 int r = 0;
979 1046
980 if (x >> 32) { x >>= 32; r += 32; } 1047 if (x >> 32) { x >>= 32; r += 32; }
981 1048
982 return r + ecb_ld32 (x); 1049 return r + ecb_ld32 (x);
1050#endif
983 } 1051 }
984#endif 1052#endif
985 1053
986ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); 1054ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
987ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } 1055ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
1090#endif 1158#endif
1091 1159
1092/* try to tell the compiler that some condition is definitely true */ 1160/* try to tell the compiler that some condition is definitely true */
1093#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 1161#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1094 1162
1095ecb_inline ecb_const unsigned char ecb_byteorder_helper (void); 1163ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1096ecb_inline ecb_const unsigned char 1164ecb_inline ecb_const uint32_t
1097ecb_byteorder_helper (void) 1165ecb_byteorder_helper (void)
1098{ 1166{
1099 /* the union code still generates code under pressure in gcc, */ 1167 /* the union code still generates code under pressure in gcc, */
1100 /* but less than using pointers, and always seems to */ 1168 /* but less than using pointers, and always seems to */
1101 /* successfully return a constant. */ 1169 /* successfully return a constant. */
1102 /* the reason why we have this horrible preprocessor mess */ 1170 /* the reason why we have this horrible preprocessor mess */
1103 /* is to avoid it in all cases, at least on common architectures */ 1171 /* is to avoid it in all cases, at least on common architectures */
1104 /* or when using a recent enough gcc version (>= 4.6) */ 1172 /* or when using a recent enough gcc version (>= 4.6) */
1105#if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64
1106 return 0x44;
1107#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1173#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
1174 || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
1175 #define ECB_LITTLE_ENDIAN 1
1108 return 0x44; 1176 return 0x44332211;
1109#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1177#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
1178 || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
1179 #define ECB_BIG_ENDIAN 1
1110 return 0x11; 1180 return 0x11223344;
1111#else 1181#else
1112 union 1182 union
1113 { 1183 {
1184 uint8_t c[4];
1114 uint32_t i; 1185 uint32_t u;
1115 uint8_t c;
1116 } u = { 0x11223344 }; 1186 } u = { 0x11, 0x22, 0x33, 0x44 };
1117 return u.c; 1187 return u.u;
1118#endif 1188#endif
1119} 1189}
1120 1190
1121ecb_inline ecb_const ecb_bool ecb_big_endian (void); 1191ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1122ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } 1192ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1123ecb_inline ecb_const ecb_bool ecb_little_endian (void); 1193ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1124ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } 1194ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1125 1195
1126#if ECB_GCC_VERSION(3,0) || ECB_C99 1196#if ECB_GCC_VERSION(3,0) || ECB_C99
1127 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) 1197 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1128#else 1198#else
1129 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) 1199 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1153 return N; 1223 return N;
1154 } 1224 }
1155#else 1225#else
1156 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) 1226 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1157#endif 1227#endif
1228
1229ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
1230ecb_function_ ecb_const uint32_t
1231ecb_binary16_to_binary32 (uint32_t x)
1232{
1233 unsigned int s = (x & 0x8000) << (31 - 15);
1234 int e = (x >> 10) & 0x001f;
1235 unsigned int m = x & 0x03ff;
1236
1237 if (ecb_expect_false (e == 31))
1238 /* infinity or NaN */
1239 e = 255 - (127 - 15);
1240 else if (ecb_expect_false (!e))
1241 {
1242 if (ecb_expect_true (!m))
1243 /* zero, handled by code below by forcing e to 0 */
1244 e = 0 - (127 - 15);
1245 else
1246 {
1247 /* subnormal, renormalise */
1248 unsigned int s = 10 - ecb_ld32 (m);
1249
1250 m = (m << s) & 0x3ff; /* mask implicit bit */
1251 e -= s - 1;
1252 }
1253 }
1254
1255 /* e and m now are normalised, or zero, (or inf or nan) */
1256 e += 127 - 15;
1257
1258 return s | (e << 23) | (m << (23 - 10));
1259}
1260
1261ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
1262ecb_function_ ecb_const uint16_t
1263ecb_binary32_to_binary16 (uint32_t x)
1264{
1265 unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
1266 unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
1267 unsigned int m = x & 0x007fffff;
1268
1269 x &= 0x7fffffff;
1270
1271 /* if it's within range of binary16 normals, use fast path */
1272 if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
1273 {
1274 /* mantissa round-to-even */
1275 m += 0x00000fff + ((m >> (23 - 10)) & 1);
1276
1277 /* handle overflow */
1278 if (ecb_expect_false (m >= 0x00800000))
1279 {
1280 m >>= 1;
1281 e += 1;
1282 }
1283
1284 return s | (e << 10) | (m >> (23 - 10));
1285 }
1286
1287 /* handle large numbers and infinity */
1288 if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
1289 return s | 0x7c00;
1290
1291 /* handle zero, subnormals and small numbers */
1292 if (ecb_expect_true (x < 0x38800000))
1293 {
1294 /* zero */
1295 if (ecb_expect_true (!x))
1296 return s;
1297
1298 /* handle subnormals */
1299
1300 /* too small, will be zero */
1301 if (e < (14 - 24)) /* might not be sharp, but is good enough */
1302 return s;
1303
1304 m |= 0x00800000; /* make implicit bit explicit */
1305
1306 /* very tricky - we need to round to the nearest e (+10) bit value */
1307 {
1308 unsigned int bits = 14 - e;
1309 unsigned int half = (1 << (bits - 1)) - 1;
1310 unsigned int even = (m >> bits) & 1;
1311
1312 /* if this overflows, we will end up with a normalised number */
1313 m = (m + half + even) >> bits;
1314 }
1315
1316 return s | m;
1317 }
1318
1319 /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
1320 m >>= 13;
1321
1322 return s | 0x7c00 | m | !m;
1323}
1158 1324
1159/*******************************************************************************/ 1325/*******************************************************************************/
1160/* floating point stuff, can be disabled by defining ECB_NO_LIBM */ 1326/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1161 1327
1162/* basically, everything uses "ieee pure-endian" floating point numbers */ 1328/* basically, everything uses "ieee pure-endian" floating point numbers */
1205 #else 1371 #else
1206 #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) 1372 #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1207 #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) 1373 #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1208 #endif 1374 #endif
1209 1375
1210 /* converts an ieee half/binary16 to a float */
1211 ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
1212 ecb_function_ ecb_const float
1213 ecb_binary16_to_float (uint16_t x)
1214 {
1215 int e = (x >> 10) & 0x1f;
1216 int m = x & 0x3ff;
1217 float r;
1218
1219 if (!e ) r = ecb_ldexpf (m , -24);
1220 else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
1221 else if (m ) r = ECB_NAN;
1222 else r = ECB_INFINITY;
1223
1224 return x & 0x8000 ? -r : r;
1225 }
1226
1227 /* convert a float to ieee single/binary32 */ 1376 /* convert a float to ieee single/binary32 */
1228 ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); 1377 ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1229 ecb_function_ ecb_const uint32_t 1378 ecb_function_ ecb_const uint32_t
1230 ecb_float_to_binary32 (float x) 1379 ecb_float_to_binary32 (float x)
1231 { 1380 {
1360 1509
1361 r = neg ? -r : r; 1510 r = neg ? -r : r;
1362 #endif 1511 #endif
1363 1512
1364 return r; 1513 return r;
1514 }
1515
1516 /* convert a float to ieee half/binary16 */
1517 ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
1518 ecb_function_ ecb_const uint16_t
1519 ecb_float_to_binary16 (float x)
1520 {
1521 return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
1522 }
1523
1524 /* convert an ieee half/binary16 to float */
1525 ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
1526 ecb_function_ ecb_const float
1527 ecb_binary16_to_float (uint16_t x)
1528 {
1529 return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1365 } 1530 }
1366 1531
1367#endif 1532#endif
1368 1533
1369#endif 1534#endif
1394#define inline_size ecb_inline 1559#define inline_size ecb_inline
1395 1560
1396#if EV_FEATURE_CODE 1561#if EV_FEATURE_CODE
1397# define inline_speed ecb_inline 1562# define inline_speed ecb_inline
1398#else 1563#else
1399# define inline_speed static noinline 1564# define inline_speed noinline static
1400#endif 1565#endif
1401 1566
1402#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 1567#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1403 1568
1404#if EV_MINPRI == EV_MAXPRI 1569#if EV_MINPRI == EV_MAXPRI
1405# define ABSPRI(w) (((W)w), 0) 1570# define ABSPRI(w) (((W)w), 0)
1406#else 1571#else
1407# define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 1572# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1408#endif 1573#endif
1409 1574
1410#define EMPTY /* required for microsofts broken pseudo-c compiler */ 1575#define EMPTY /* required for microsofts broken pseudo-c compiler */
1411#define EMPTY2(a,b) /* used to suppress some warnings */
1412 1576
1413typedef ev_watcher *W; 1577typedef ev_watcher *W;
1414typedef ev_watcher_list *WL; 1578typedef ev_watcher_list *WL;
1415typedef ev_watcher_time *WT; 1579typedef ev_watcher_time *WT;
1416 1580
1441# include "ev_win32.c" 1605# include "ev_win32.c"
1442#endif 1606#endif
1443 1607
1444/*****************************************************************************/ 1608/*****************************************************************************/
1445 1609
1610#if EV_USE_LINUXAIO
1611# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
1612#endif
1613
1446/* define a suitable floor function (only used by periodics atm) */ 1614/* define a suitable floor function (only used by periodics atm) */
1447 1615
1448#if EV_USE_FLOOR 1616#if EV_USE_FLOOR
1449# include <math.h> 1617# include <math.h>
1450# define ev_floor(v) floor (v) 1618# define ev_floor(v) floor (v)
1451#else 1619#else
1452 1620
1453#include <float.h> 1621#include <float.h>
1454 1622
1455/* a floor() replacement function, should be independent of ev_tstamp type */ 1623/* a floor() replacement function, should be independent of ev_tstamp type */
1624noinline
1456static ev_tstamp noinline 1625static ev_tstamp
1457ev_floor (ev_tstamp v) 1626ev_floor (ev_tstamp v)
1458{ 1627{
1459 /* the choice of shift factor is not terribly important */ 1628 /* the choice of shift factor is not terribly important */
1460#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ 1629#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1461 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; 1630 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1493 1662
1494#ifdef __linux 1663#ifdef __linux
1495# include <sys/utsname.h> 1664# include <sys/utsname.h>
1496#endif 1665#endif
1497 1666
1498static unsigned int noinline ecb_cold 1667noinline ecb_cold
1668static unsigned int
1499ev_linux_version (void) 1669ev_linux_version (void)
1500{ 1670{
1501#ifdef __linux 1671#ifdef __linux
1502 unsigned int v = 0; 1672 unsigned int v = 0;
1503 struct utsname buf; 1673 struct utsname buf;
1532} 1702}
1533 1703
1534/*****************************************************************************/ 1704/*****************************************************************************/
1535 1705
1536#if EV_AVOID_STDIO 1706#if EV_AVOID_STDIO
1537static void noinline ecb_cold 1707noinline ecb_cold
1708static void
1538ev_printerr (const char *msg) 1709ev_printerr (const char *msg)
1539{ 1710{
1540 write (STDERR_FILENO, msg, strlen (msg)); 1711 write (STDERR_FILENO, msg, strlen (msg));
1541} 1712}
1542#endif 1713#endif
1543 1714
1544static void (*syserr_cb)(const char *msg) EV_THROW; 1715static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1545 1716
1546void ecb_cold 1717ecb_cold
1718void
1547ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW 1719ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1548{ 1720{
1549 syserr_cb = cb; 1721 syserr_cb = cb;
1550} 1722}
1551 1723
1552static void noinline ecb_cold 1724noinline ecb_cold
1725static void
1553ev_syserr (const char *msg) 1726ev_syserr (const char *msg)
1554{ 1727{
1555 if (!msg) 1728 if (!msg)
1556 msg = "(libev) system error"; 1729 msg = "(libev) system error";
1557 1730
1570 abort (); 1743 abort ();
1571 } 1744 }
1572} 1745}
1573 1746
1574static void * 1747static void *
1575ev_realloc_emul (void *ptr, long size) EV_THROW 1748ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1576{ 1749{
1577 /* some systems, notably openbsd and darwin, fail to properly 1750 /* some systems, notably openbsd and darwin, fail to properly
1578 * implement realloc (x, 0) (as required by both ansi c-89 and 1751 * implement realloc (x, 0) (as required by both ansi c-89 and
1579 * the single unix specification, so work around them here. 1752 * the single unix specification, so work around them here.
1580 * recently, also (at least) fedora and debian started breaking it, 1753 * recently, also (at least) fedora and debian started breaking it,
1586 1759
1587 free (ptr); 1760 free (ptr);
1588 return 0; 1761 return 0;
1589} 1762}
1590 1763
1591static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; 1764static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1592 1765
1593void ecb_cold 1766ecb_cold
1767void
1594ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW 1768ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1595{ 1769{
1596 alloc = cb; 1770 alloc = cb;
1597} 1771}
1598 1772
1599inline_speed void * 1773inline_speed void *
1626typedef struct 1800typedef struct
1627{ 1801{
1628 WL head; 1802 WL head;
1629 unsigned char events; /* the events watched for */ 1803 unsigned char events; /* the events watched for */
1630 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 1804 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1631 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 1805 unsigned char emask; /* some backends store the actual kernel mask in here */
1632 unsigned char unused; 1806 unsigned char unused;
1633#if EV_USE_EPOLL 1807#if EV_USE_EPOLL
1634 unsigned int egen; /* generation counter to counter epoll bugs */ 1808 unsigned int egen; /* generation counter to counter epoll bugs */
1635#endif 1809#endif
1636#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1810#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1716 1890
1717/*****************************************************************************/ 1891/*****************************************************************************/
1718 1892
1719#ifndef EV_HAVE_EV_TIME 1893#ifndef EV_HAVE_EV_TIME
1720ev_tstamp 1894ev_tstamp
1721ev_time (void) EV_THROW 1895ev_time (void) EV_NOEXCEPT
1722{ 1896{
1723#if EV_USE_REALTIME 1897#if EV_USE_REALTIME
1724 if (expect_true (have_realtime)) 1898 if (expect_true (have_realtime))
1725 { 1899 {
1726 struct timespec ts; 1900 struct timespec ts;
1750 return ev_time (); 1924 return ev_time ();
1751} 1925}
1752 1926
1753#if EV_MULTIPLICITY 1927#if EV_MULTIPLICITY
1754ev_tstamp 1928ev_tstamp
1755ev_now (EV_P) EV_THROW 1929ev_now (EV_P) EV_NOEXCEPT
1756{ 1930{
1757 return ev_rt_now; 1931 return ev_rt_now;
1758} 1932}
1759#endif 1933#endif
1760 1934
1761void 1935void
1762ev_sleep (ev_tstamp delay) EV_THROW 1936ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1763{ 1937{
1764 if (delay > 0.) 1938 if (delay > 0.)
1765 { 1939 {
1766#if EV_USE_NANOSLEEP 1940#if EV_USE_NANOSLEEP
1767 struct timespec ts; 1941 struct timespec ts;
1768 1942
1769 EV_TS_SET (ts, delay); 1943 EV_TS_SET (ts, delay);
1770 nanosleep (&ts, 0); 1944 nanosleep (&ts, 0);
1771#elif defined _WIN32 1945#elif defined _WIN32
1946 /* maybe this should round up, as ms is very low resolution */
1947 /* compared to select (µs) or nanosleep (ns) */
1772 Sleep ((unsigned long)(delay * 1e3)); 1948 Sleep ((unsigned long)(delay * 1e3));
1773#else 1949#else
1774 struct timeval tv; 1950 struct timeval tv;
1775 1951
1776 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1952 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1807 } 1983 }
1808 1984
1809 return ncur; 1985 return ncur;
1810} 1986}
1811 1987
1812static void * noinline ecb_cold 1988noinline ecb_cold
1989static void *
1813array_realloc (int elem, void *base, int *cur, int cnt) 1990array_realloc (int elem, void *base, int *cur, int cnt)
1814{ 1991{
1815 *cur = array_nextsize (elem, *cur, cnt); 1992 *cur = array_nextsize (elem, *cur, cnt);
1816 return ev_realloc (base, elem * *cur); 1993 return ev_realloc (base, elem * *cur);
1817} 1994}
1818 1995
1996#define array_needsize_noinit(base,offset,count)
1997
1819#define array_init_zero(base,count) \ 1998#define array_needsize_zerofill(base,offset,count) \
1820 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1999 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1821 2000
1822#define array_needsize(type,base,cur,cnt,init) \ 2001#define array_needsize(type,base,cur,cnt,init) \
1823 if (expect_false ((cnt) > (cur))) \ 2002 if (expect_false ((cnt) > (cur))) \
1824 { \ 2003 { \
1825 int ecb_unused ocur_ = (cur); \ 2004 ecb_unused int ocur_ = (cur); \
1826 (base) = (type *)array_realloc \ 2005 (base) = (type *)array_realloc \
1827 (sizeof (type), (base), &(cur), (cnt)); \ 2006 (sizeof (type), (base), &(cur), (cnt)); \
1828 init ((base) + (ocur_), (cur) - ocur_); \ 2007 init ((base), ocur_, ((cur) - ocur_)); \
1829 } 2008 }
1830 2009
1831#if 0 2010#if 0
1832#define array_slim(type,stem) \ 2011#define array_slim(type,stem) \
1833 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ 2012 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
1842 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 2021 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1843 2022
1844/*****************************************************************************/ 2023/*****************************************************************************/
1845 2024
1846/* dummy callback for pending events */ 2025/* dummy callback for pending events */
1847static void noinline 2026noinline
2027static void
1848pendingcb (EV_P_ ev_prepare *w, int revents) 2028pendingcb (EV_P_ ev_prepare *w, int revents)
1849{ 2029{
1850} 2030}
1851 2031
1852void noinline 2032noinline
2033void
1853ev_feed_event (EV_P_ void *w, int revents) EV_THROW 2034ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1854{ 2035{
1855 W w_ = (W)w; 2036 W w_ = (W)w;
1856 int pri = ABSPRI (w_); 2037 int pri = ABSPRI (w_);
1857 2038
1858 if (expect_false (w_->pending)) 2039 if (expect_false (w_->pending))
1859 pendings [pri][w_->pending - 1].events |= revents; 2040 pendings [pri][w_->pending - 1].events |= revents;
1860 else 2041 else
1861 { 2042 {
1862 w_->pending = ++pendingcnt [pri]; 2043 w_->pending = ++pendingcnt [pri];
1863 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 2044 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1864 pendings [pri][w_->pending - 1].w = w_; 2045 pendings [pri][w_->pending - 1].w = w_;
1865 pendings [pri][w_->pending - 1].events = revents; 2046 pendings [pri][w_->pending - 1].events = revents;
1866 } 2047 }
1867 2048
1868 pendingpri = NUMPRI - 1; 2049 pendingpri = NUMPRI - 1;
1869} 2050}
1870 2051
1871inline_speed void 2052inline_speed void
1872feed_reverse (EV_P_ W w) 2053feed_reverse (EV_P_ W w)
1873{ 2054{
1874 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); 2055 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1875 rfeeds [rfeedcnt++] = w; 2056 rfeeds [rfeedcnt++] = w;
1876} 2057}
1877 2058
1878inline_size void 2059inline_size void
1879feed_reverse_done (EV_P_ int revents) 2060feed_reverse_done (EV_P_ int revents)
1919 if (expect_true (!anfd->reify)) 2100 if (expect_true (!anfd->reify))
1920 fd_event_nocheck (EV_A_ fd, revents); 2101 fd_event_nocheck (EV_A_ fd, revents);
1921} 2102}
1922 2103
1923void 2104void
1924ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW 2105ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1925{ 2106{
1926 if (fd >= 0 && fd < anfdmax) 2107 if (fd >= 0 && fd < anfdmax)
1927 fd_event_nocheck (EV_A_ fd, revents); 2108 fd_event_nocheck (EV_A_ fd, revents);
1928} 2109}
1929 2110
1966 ev_io *w; 2147 ev_io *w;
1967 2148
1968 unsigned char o_events = anfd->events; 2149 unsigned char o_events = anfd->events;
1969 unsigned char o_reify = anfd->reify; 2150 unsigned char o_reify = anfd->reify;
1970 2151
1971 anfd->reify = 0; 2152 anfd->reify = 0;
1972 2153
1973 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 2154 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1974 { 2155 {
1975 anfd->events = 0; 2156 anfd->events = 0;
1976 2157
1987 2168
1988 fdchangecnt = 0; 2169 fdchangecnt = 0;
1989} 2170}
1990 2171
1991/* something about the given fd changed */ 2172/* something about the given fd changed */
1992inline_size void 2173inline_size
2174void
1993fd_change (EV_P_ int fd, int flags) 2175fd_change (EV_P_ int fd, int flags)
1994{ 2176{
1995 unsigned char reify = anfds [fd].reify; 2177 unsigned char reify = anfds [fd].reify;
1996 anfds [fd].reify |= flags; 2178 anfds [fd].reify |= flags;
1997 2179
1998 if (expect_true (!reify)) 2180 if (expect_true (!reify))
1999 { 2181 {
2000 ++fdchangecnt; 2182 ++fdchangecnt;
2001 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 2183 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2002 fdchanges [fdchangecnt - 1] = fd; 2184 fdchanges [fdchangecnt - 1] = fd;
2003 } 2185 }
2004} 2186}
2005 2187
2006/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 2188/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
2007inline_speed void ecb_cold 2189inline_speed ecb_cold void
2008fd_kill (EV_P_ int fd) 2190fd_kill (EV_P_ int fd)
2009{ 2191{
2010 ev_io *w; 2192 ev_io *w;
2011 2193
2012 while ((w = (ev_io *)anfds [fd].head)) 2194 while ((w = (ev_io *)anfds [fd].head))
2015 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 2197 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
2016 } 2198 }
2017} 2199}
2018 2200
2019/* check whether the given fd is actually valid, for error recovery */ 2201/* check whether the given fd is actually valid, for error recovery */
2020inline_size int ecb_cold 2202inline_size ecb_cold int
2021fd_valid (int fd) 2203fd_valid (int fd)
2022{ 2204{
2023#ifdef _WIN32 2205#ifdef _WIN32
2024 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 2206 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
2025#else 2207#else
2026 return fcntl (fd, F_GETFD) != -1; 2208 return fcntl (fd, F_GETFD) != -1;
2027#endif 2209#endif
2028} 2210}
2029 2211
2030/* called on EBADF to verify fds */ 2212/* called on EBADF to verify fds */
2031static void noinline ecb_cold 2213noinline ecb_cold
2214static void
2032fd_ebadf (EV_P) 2215fd_ebadf (EV_P)
2033{ 2216{
2034 int fd; 2217 int fd;
2035 2218
2036 for (fd = 0; fd < anfdmax; ++fd) 2219 for (fd = 0; fd < anfdmax; ++fd)
2038 if (!fd_valid (fd) && errno == EBADF) 2221 if (!fd_valid (fd) && errno == EBADF)
2039 fd_kill (EV_A_ fd); 2222 fd_kill (EV_A_ fd);
2040} 2223}
2041 2224
2042/* called on ENOMEM in select/poll to kill some fds and retry */ 2225/* called on ENOMEM in select/poll to kill some fds and retry */
2043static void noinline ecb_cold 2226noinline ecb_cold
2227static void
2044fd_enomem (EV_P) 2228fd_enomem (EV_P)
2045{ 2229{
2046 int fd; 2230 int fd;
2047 2231
2048 for (fd = anfdmax; fd--; ) 2232 for (fd = anfdmax; fd--; )
2052 break; 2236 break;
2053 } 2237 }
2054} 2238}
2055 2239
2056/* usually called after fork if backend needs to re-arm all fds from scratch */ 2240/* usually called after fork if backend needs to re-arm all fds from scratch */
2057static void noinline 2241noinline
2242static void
2058fd_rearm_all (EV_P) 2243fd_rearm_all (EV_P)
2059{ 2244{
2060 int fd; 2245 int fd;
2061 2246
2062 for (fd = 0; fd < anfdmax; ++fd) 2247 for (fd = 0; fd < anfdmax; ++fd)
2243 2428
2244/*****************************************************************************/ 2429/*****************************************************************************/
2245 2430
2246#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2431#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2247 2432
2248static void noinline ecb_cold 2433noinline ecb_cold
2434static void
2249evpipe_init (EV_P) 2435evpipe_init (EV_P)
2250{ 2436{
2251 if (!ev_is_active (&pipe_w)) 2437 if (!ev_is_active (&pipe_w))
2252 { 2438 {
2253 int fds [2]; 2439 int fds [2];
2324#endif 2510#endif
2325 { 2511 {
2326#ifdef _WIN32 2512#ifdef _WIN32
2327 WSABUF buf; 2513 WSABUF buf;
2328 DWORD sent; 2514 DWORD sent;
2329 buf.buf = &buf; 2515 buf.buf = (char *)&buf;
2330 buf.len = 1; 2516 buf.len = 1;
2331 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); 2517 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2332#else 2518#else
2333 write (evpipe [1], &(evpipe [1]), 1); 2519 write (evpipe [1], &(evpipe [1]), 1);
2334#endif 2520#endif
2406} 2592}
2407 2593
2408/*****************************************************************************/ 2594/*****************************************************************************/
2409 2595
2410void 2596void
2411ev_feed_signal (int signum) EV_THROW 2597ev_feed_signal (int signum) EV_NOEXCEPT
2412{ 2598{
2413#if EV_MULTIPLICITY 2599#if EV_MULTIPLICITY
2414 EV_P; 2600 EV_P;
2415 ECB_MEMORY_FENCE_ACQUIRE; 2601 ECB_MEMORY_FENCE_ACQUIRE;
2416 EV_A = signals [signum - 1].loop; 2602 EV_A = signals [signum - 1].loop;
2431#endif 2617#endif
2432 2618
2433 ev_feed_signal (signum); 2619 ev_feed_signal (signum);
2434} 2620}
2435 2621
2436void noinline 2622noinline
2623void
2437ev_feed_signal_event (EV_P_ int signum) EV_THROW 2624ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2438{ 2625{
2439 WL w; 2626 WL w;
2440 2627
2441 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2628 if (expect_false (signum <= 0 || signum >= EV_NSIG))
2442 return; 2629 return;
2551# include "ev_kqueue.c" 2738# include "ev_kqueue.c"
2552#endif 2739#endif
2553#if EV_USE_EPOLL 2740#if EV_USE_EPOLL
2554# include "ev_epoll.c" 2741# include "ev_epoll.c"
2555#endif 2742#endif
2743#if EV_USE_LINUXAIO
2744# include "ev_linuxaio.c"
2745#endif
2556#if EV_USE_POLL 2746#if EV_USE_POLL
2557# include "ev_poll.c" 2747# include "ev_poll.c"
2558#endif 2748#endif
2559#if EV_USE_SELECT 2749#if EV_USE_SELECT
2560# include "ev_select.c" 2750# include "ev_select.c"
2561#endif 2751#endif
2562 2752
2563int ecb_cold 2753ecb_cold int
2564ev_version_major (void) EV_THROW 2754ev_version_major (void) EV_NOEXCEPT
2565{ 2755{
2566 return EV_VERSION_MAJOR; 2756 return EV_VERSION_MAJOR;
2567} 2757}
2568 2758
2569int ecb_cold 2759ecb_cold int
2570ev_version_minor (void) EV_THROW 2760ev_version_minor (void) EV_NOEXCEPT
2571{ 2761{
2572 return EV_VERSION_MINOR; 2762 return EV_VERSION_MINOR;
2573} 2763}
2574 2764
2575/* return true if we are running with elevated privileges and should ignore env variables */ 2765/* return true if we are running with elevated privileges and should ignore env variables */
2576int inline_size ecb_cold 2766inline_size ecb_cold int
2577enable_secure (void) 2767enable_secure (void)
2578{ 2768{
2579#ifdef _WIN32 2769#ifdef _WIN32
2580 return 0; 2770 return 0;
2581#else 2771#else
2582 return getuid () != geteuid () 2772 return getuid () != geteuid ()
2583 || getgid () != getegid (); 2773 || getgid () != getegid ();
2584#endif 2774#endif
2585} 2775}
2586 2776
2587unsigned int ecb_cold 2777ecb_cold
2778unsigned int
2588ev_supported_backends (void) EV_THROW 2779ev_supported_backends (void) EV_NOEXCEPT
2589{ 2780{
2590 unsigned int flags = 0; 2781 unsigned int flags = 0;
2591 2782
2592 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2783 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2593 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2784 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2594 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2785 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2786 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2595 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2787 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2596 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2788 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2597 2789
2598 return flags; 2790 return flags;
2599} 2791}
2600 2792
2601unsigned int ecb_cold 2793ecb_cold
2794unsigned int
2602ev_recommended_backends (void) EV_THROW 2795ev_recommended_backends (void) EV_NOEXCEPT
2603{ 2796{
2604 unsigned int flags = ev_supported_backends (); 2797 unsigned int flags = ev_supported_backends ();
2605 2798
2606#ifndef __NetBSD__ 2799#ifndef __NetBSD__
2607 /* kqueue is borked on everything but netbsd apparently */ 2800 /* kqueue is borked on everything but netbsd apparently */
2615#endif 2808#endif
2616#ifdef __FreeBSD__ 2809#ifdef __FreeBSD__
2617 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ 2810 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2618#endif 2811#endif
2619 2812
2813 /* TODO: linuxaio is very experimental */
2814#if !EV_RECOMMEND_LINUXAIO
2815 flags &= ~EVBACKEND_LINUXAIO;
2816#endif
2817
2620 return flags; 2818 return flags;
2621} 2819}
2622 2820
2623unsigned int ecb_cold 2821ecb_cold
2822unsigned int
2624ev_embeddable_backends (void) EV_THROW 2823ev_embeddable_backends (void) EV_NOEXCEPT
2625{ 2824{
2626 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2825 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2627 2826
2628 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2827 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2629 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2828 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2631 2830
2632 return flags; 2831 return flags;
2633} 2832}
2634 2833
2635unsigned int 2834unsigned int
2636ev_backend (EV_P) EV_THROW 2835ev_backend (EV_P) EV_NOEXCEPT
2637{ 2836{
2638 return backend; 2837 return backend;
2639} 2838}
2640 2839
2641#if EV_FEATURE_API 2840#if EV_FEATURE_API
2642unsigned int 2841unsigned int
2643ev_iteration (EV_P) EV_THROW 2842ev_iteration (EV_P) EV_NOEXCEPT
2644{ 2843{
2645 return loop_count; 2844 return loop_count;
2646} 2845}
2647 2846
2648unsigned int 2847unsigned int
2649ev_depth (EV_P) EV_THROW 2848ev_depth (EV_P) EV_NOEXCEPT
2650{ 2849{
2651 return loop_depth; 2850 return loop_depth;
2652} 2851}
2653 2852
2654void 2853void
2655ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2854ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2656{ 2855{
2657 io_blocktime = interval; 2856 io_blocktime = interval;
2658} 2857}
2659 2858
2660void 2859void
2661ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2860ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2662{ 2861{
2663 timeout_blocktime = interval; 2862 timeout_blocktime = interval;
2664} 2863}
2665 2864
2666void 2865void
2667ev_set_userdata (EV_P_ void *data) EV_THROW 2866ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2668{ 2867{
2669 userdata = data; 2868 userdata = data;
2670} 2869}
2671 2870
2672void * 2871void *
2673ev_userdata (EV_P) EV_THROW 2872ev_userdata (EV_P) EV_NOEXCEPT
2674{ 2873{
2675 return userdata; 2874 return userdata;
2676} 2875}
2677 2876
2678void 2877void
2679ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW 2878ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2680{ 2879{
2681 invoke_cb = invoke_pending_cb; 2880 invoke_cb = invoke_pending_cb;
2682} 2881}
2683 2882
2684void 2883void
2685ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW 2884ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2686{ 2885{
2687 release_cb = release; 2886 release_cb = release;
2688 acquire_cb = acquire; 2887 acquire_cb = acquire;
2689} 2888}
2690#endif 2889#endif
2691 2890
2692/* initialise a loop structure, must be zero-initialised */ 2891/* initialise a loop structure, must be zero-initialised */
2693static void noinline ecb_cold 2892noinline ecb_cold
2893static void
2694loop_init (EV_P_ unsigned int flags) EV_THROW 2894loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2695{ 2895{
2696 if (!backend) 2896 if (!backend)
2697 { 2897 {
2698 origflags = flags; 2898 origflags = flags;
2699 2899
2757 2957
2758 if (!(flags & EVBACKEND_MASK)) 2958 if (!(flags & EVBACKEND_MASK))
2759 flags |= ev_recommended_backends (); 2959 flags |= ev_recommended_backends ();
2760 2960
2761#if EV_USE_IOCP 2961#if EV_USE_IOCP
2762 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2962 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2763#endif 2963#endif
2764#if EV_USE_PORT 2964#if EV_USE_PORT
2765 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2965 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2766#endif 2966#endif
2767#if EV_USE_KQUEUE 2967#if EV_USE_KQUEUE
2768 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 2968 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2969#endif
2970#if EV_USE_LINUXAIO
2971 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2769#endif 2972#endif
2770#if EV_USE_EPOLL 2973#if EV_USE_EPOLL
2771 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 2974 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2772#endif 2975#endif
2773#if EV_USE_POLL 2976#if EV_USE_POLL
2774 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); 2977 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2775#endif 2978#endif
2776#if EV_USE_SELECT 2979#if EV_USE_SELECT
2777 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2980 if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2778#endif 2981#endif
2779 2982
2780 ev_prepare_init (&pending_w, pendingcb); 2983 ev_prepare_init (&pending_w, pendingcb);
2781 2984
2782#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2985#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2785#endif 2988#endif
2786 } 2989 }
2787} 2990}
2788 2991
2789/* free up a loop structure */ 2992/* free up a loop structure */
2790void ecb_cold 2993ecb_cold
2994void
2791ev_loop_destroy (EV_P) 2995ev_loop_destroy (EV_P)
2792{ 2996{
2793 int i; 2997 int i;
2794 2998
2795#if EV_MULTIPLICITY 2999#if EV_MULTIPLICITY
2836 3040
2837 if (backend_fd >= 0) 3041 if (backend_fd >= 0)
2838 close (backend_fd); 3042 close (backend_fd);
2839 3043
2840#if EV_USE_IOCP 3044#if EV_USE_IOCP
2841 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); 3045 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2842#endif 3046#endif
2843#if EV_USE_PORT 3047#if EV_USE_PORT
2844 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3048 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2845#endif 3049#endif
2846#if EV_USE_KQUEUE 3050#if EV_USE_KQUEUE
2847 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 3051 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3052#endif
3053#if EV_USE_LINUXAIO
3054 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2848#endif 3055#endif
2849#if EV_USE_EPOLL 3056#if EV_USE_EPOLL
2850 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); 3057 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2851#endif 3058#endif
2852#if EV_USE_POLL 3059#if EV_USE_POLL
2853 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); 3060 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2854#endif 3061#endif
2855#if EV_USE_SELECT 3062#if EV_USE_SELECT
2856 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 3063 if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2857#endif 3064#endif
2858 3065
2859 for (i = NUMPRI; i--; ) 3066 for (i = NUMPRI; i--; )
2860 { 3067 {
2861 array_free (pending, [i]); 3068 array_free (pending, [i]);
2903 3110
2904inline_size void 3111inline_size void
2905loop_fork (EV_P) 3112loop_fork (EV_P)
2906{ 3113{
2907#if EV_USE_PORT 3114#if EV_USE_PORT
2908 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3115 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2909#endif 3116#endif
2910#if EV_USE_KQUEUE 3117#if EV_USE_KQUEUE
2911 if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); 3118 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3119#endif
3120#if EV_USE_LINUXAIO
3121 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2912#endif 3122#endif
2913#if EV_USE_EPOLL 3123#if EV_USE_EPOLL
2914 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3124 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2915#endif 3125#endif
2916#if EV_USE_INOTIFY 3126#if EV_USE_INOTIFY
2917 infy_fork (EV_A); 3127 infy_fork (EV_A);
2918#endif 3128#endif
2919 3129
2920#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 3130#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2921 if (ev_is_active (&pipe_w)) 3131 if (ev_is_active (&pipe_w) && postfork != 2)
2922 { 3132 {
2923 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ 3133 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2924 3134
2925 ev_ref (EV_A); 3135 ev_ref (EV_A);
2926 ev_io_stop (EV_A_ &pipe_w); 3136 ev_io_stop (EV_A_ &pipe_w);
2937 postfork = 0; 3147 postfork = 0;
2938} 3148}
2939 3149
2940#if EV_MULTIPLICITY 3150#if EV_MULTIPLICITY
2941 3151
3152ecb_cold
2942struct ev_loop * ecb_cold 3153struct ev_loop *
2943ev_loop_new (unsigned int flags) EV_THROW 3154ev_loop_new (unsigned int flags) EV_NOEXCEPT
2944{ 3155{
2945 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3156 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2946 3157
2947 memset (EV_A, 0, sizeof (struct ev_loop)); 3158 memset (EV_A, 0, sizeof (struct ev_loop));
2948 loop_init (EV_A_ flags); 3159 loop_init (EV_A_ flags);
2955} 3166}
2956 3167
2957#endif /* multiplicity */ 3168#endif /* multiplicity */
2958 3169
2959#if EV_VERIFY 3170#if EV_VERIFY
2960static void noinline ecb_cold 3171noinline ecb_cold
3172static void
2961verify_watcher (EV_P_ W w) 3173verify_watcher (EV_P_ W w)
2962{ 3174{
2963 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 3175 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2964 3176
2965 if (w->pending) 3177 if (w->pending)
2966 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 3178 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2967} 3179}
2968 3180
2969static void noinline ecb_cold 3181noinline ecb_cold
3182static void
2970verify_heap (EV_P_ ANHE *heap, int N) 3183verify_heap (EV_P_ ANHE *heap, int N)
2971{ 3184{
2972 int i; 3185 int i;
2973 3186
2974 for (i = HEAP0; i < N + HEAP0; ++i) 3187 for (i = HEAP0; i < N + HEAP0; ++i)
2979 3192
2980 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 3193 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2981 } 3194 }
2982} 3195}
2983 3196
2984static void noinline ecb_cold 3197noinline ecb_cold
3198static void
2985array_verify (EV_P_ W *ws, int cnt) 3199array_verify (EV_P_ W *ws, int cnt)
2986{ 3200{
2987 while (cnt--) 3201 while (cnt--)
2988 { 3202 {
2989 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 3203 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
2992} 3206}
2993#endif 3207#endif
2994 3208
2995#if EV_FEATURE_API 3209#if EV_FEATURE_API
2996void ecb_cold 3210void ecb_cold
2997ev_verify (EV_P) EV_THROW 3211ev_verify (EV_P) EV_NOEXCEPT
2998{ 3212{
2999#if EV_VERIFY 3213#if EV_VERIFY
3000 int i; 3214 int i;
3001 WL w, w2; 3215 WL w, w2;
3002 3216
3078#endif 3292#endif
3079} 3293}
3080#endif 3294#endif
3081 3295
3082#if EV_MULTIPLICITY 3296#if EV_MULTIPLICITY
3297ecb_cold
3083struct ev_loop * ecb_cold 3298struct ev_loop *
3084#else 3299#else
3085int 3300int
3086#endif 3301#endif
3087ev_default_loop (unsigned int flags) EV_THROW 3302ev_default_loop (unsigned int flags) EV_NOEXCEPT
3088{ 3303{
3089 if (!ev_default_loop_ptr) 3304 if (!ev_default_loop_ptr)
3090 { 3305 {
3091#if EV_MULTIPLICITY 3306#if EV_MULTIPLICITY
3092 EV_P = ev_default_loop_ptr = &default_loop_struct; 3307 EV_P = ev_default_loop_ptr = &default_loop_struct;
3111 3326
3112 return ev_default_loop_ptr; 3327 return ev_default_loop_ptr;
3113} 3328}
3114 3329
3115void 3330void
3116ev_loop_fork (EV_P) EV_THROW 3331ev_loop_fork (EV_P) EV_NOEXCEPT
3117{ 3332{
3118 postfork = 1; 3333 postfork = 1;
3119} 3334}
3120 3335
3121/*****************************************************************************/ 3336/*****************************************************************************/
3125{ 3340{
3126 EV_CB_INVOKE ((W)w, revents); 3341 EV_CB_INVOKE ((W)w, revents);
3127} 3342}
3128 3343
3129unsigned int 3344unsigned int
3130ev_pending_count (EV_P) EV_THROW 3345ev_pending_count (EV_P) EV_NOEXCEPT
3131{ 3346{
3132 int pri; 3347 int pri;
3133 unsigned int count = 0; 3348 unsigned int count = 0;
3134 3349
3135 for (pri = NUMPRI; pri--; ) 3350 for (pri = NUMPRI; pri--; )
3136 count += pendingcnt [pri]; 3351 count += pendingcnt [pri];
3137 3352
3138 return count; 3353 return count;
3139} 3354}
3140 3355
3141void noinline 3356noinline
3357void
3142ev_invoke_pending (EV_P) 3358ev_invoke_pending (EV_P)
3143{ 3359{
3144 pendingpri = NUMPRI; 3360 pendingpri = NUMPRI;
3145 3361
3146 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ 3362 do
3147 { 3363 {
3148 --pendingpri; 3364 --pendingpri;
3149 3365
3366 /* pendingpri possibly gets modified in the inner loop */
3150 while (pendingcnt [pendingpri]) 3367 while (pendingcnt [pendingpri])
3151 { 3368 {
3152 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; 3369 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3153 3370
3154 p->w->pending = 0; 3371 p->w->pending = 0;
3155 EV_CB_INVOKE (p->w, p->events); 3372 EV_CB_INVOKE (p->w, p->events);
3156 EV_FREQUENT_CHECK; 3373 EV_FREQUENT_CHECK;
3157 } 3374 }
3158 } 3375 }
3376 while (pendingpri);
3159} 3377}
3160 3378
3161#if EV_IDLE_ENABLE 3379#if EV_IDLE_ENABLE
3162/* make idle watchers pending. this handles the "call-idle */ 3380/* make idle watchers pending. this handles the "call-idle */
3163/* only when higher priorities are idle" logic */ 3381/* only when higher priorities are idle" logic */
3221 } 3439 }
3222} 3440}
3223 3441
3224#if EV_PERIODIC_ENABLE 3442#if EV_PERIODIC_ENABLE
3225 3443
3226static void noinline 3444noinline
3445static void
3227periodic_recalc (EV_P_ ev_periodic *w) 3446periodic_recalc (EV_P_ ev_periodic *w)
3228{ 3447{
3229 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; 3448 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3230 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); 3449 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3231 3450
3289 } 3508 }
3290} 3509}
3291 3510
3292/* simply recalculate all periodics */ 3511/* simply recalculate all periodics */
3293/* TODO: maybe ensure that at least one event happens when jumping forward? */ 3512/* TODO: maybe ensure that at least one event happens when jumping forward? */
3294static void noinline ecb_cold 3513noinline ecb_cold
3514static void
3295periodics_reschedule (EV_P) 3515periodics_reschedule (EV_P)
3296{ 3516{
3297 int i; 3517 int i;
3298 3518
3299 /* adjust periodics after time jump */ 3519 /* adjust periodics after time jump */
3312 reheap (periodics, periodiccnt); 3532 reheap (periodics, periodiccnt);
3313} 3533}
3314#endif 3534#endif
3315 3535
3316/* adjust all timers by a given offset */ 3536/* adjust all timers by a given offset */
3317static void noinline ecb_cold 3537noinline ecb_cold
3538static void
3318timers_reschedule (EV_P_ ev_tstamp adjust) 3539timers_reschedule (EV_P_ ev_tstamp adjust)
3319{ 3540{
3320 int i; 3541 int i;
3321 3542
3322 for (i = 0; i < timercnt; ++i) 3543 for (i = 0; i < timercnt; ++i)
3569 3790
3570 return activecnt; 3791 return activecnt;
3571} 3792}
3572 3793
3573void 3794void
3574ev_break (EV_P_ int how) EV_THROW 3795ev_break (EV_P_ int how) EV_NOEXCEPT
3575{ 3796{
3576 loop_done = how; 3797 loop_done = how;
3577} 3798}
3578 3799
3579void 3800void
3580ev_ref (EV_P) EV_THROW 3801ev_ref (EV_P) EV_NOEXCEPT
3581{ 3802{
3582 ++activecnt; 3803 ++activecnt;
3583} 3804}
3584 3805
3585void 3806void
3586ev_unref (EV_P) EV_THROW 3807ev_unref (EV_P) EV_NOEXCEPT
3587{ 3808{
3588 --activecnt; 3809 --activecnt;
3589} 3810}
3590 3811
3591void 3812void
3592ev_now_update (EV_P) EV_THROW 3813ev_now_update (EV_P) EV_NOEXCEPT
3593{ 3814{
3594 time_update (EV_A_ 1e100); 3815 time_update (EV_A_ 1e100);
3595} 3816}
3596 3817
3597void 3818void
3598ev_suspend (EV_P) EV_THROW 3819ev_suspend (EV_P) EV_NOEXCEPT
3599{ 3820{
3600 ev_now_update (EV_A); 3821 ev_now_update (EV_A);
3601} 3822}
3602 3823
3603void 3824void
3604ev_resume (EV_P) EV_THROW 3825ev_resume (EV_P) EV_NOEXCEPT
3605{ 3826{
3606 ev_tstamp mn_prev = mn_now; 3827 ev_tstamp mn_prev = mn_now;
3607 3828
3608 ev_now_update (EV_A); 3829 ev_now_update (EV_A);
3609 timers_reschedule (EV_A_ mn_now - mn_prev); 3830 timers_reschedule (EV_A_ mn_now - mn_prev);
3648 w->pending = 0; 3869 w->pending = 0;
3649 } 3870 }
3650} 3871}
3651 3872
3652int 3873int
3653ev_clear_pending (EV_P_ void *w) EV_THROW 3874ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3654{ 3875{
3655 W w_ = (W)w; 3876 W w_ = (W)w;
3656 int pending = w_->pending; 3877 int pending = w_->pending;
3657 3878
3658 if (expect_true (pending)) 3879 if (expect_true (pending))
3690 w->active = 0; 3911 w->active = 0;
3691} 3912}
3692 3913
3693/*****************************************************************************/ 3914/*****************************************************************************/
3694 3915
3695void noinline 3916noinline
3917void
3696ev_io_start (EV_P_ ev_io *w) EV_THROW 3918ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3697{ 3919{
3698 int fd = w->fd; 3920 int fd = w->fd;
3699 3921
3700 if (expect_false (ev_is_active (w))) 3922 if (expect_false (ev_is_active (w)))
3701 return; 3923 return;
3702 3924
3703 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 3925 assert (("libev: ev_io_start called with negative fd", fd >= 0));
3704 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 3926 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3705 3927
3928#if EV_VERIFY >= 2
3929 assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
3930#endif
3706 EV_FREQUENT_CHECK; 3931 EV_FREQUENT_CHECK;
3707 3932
3708 ev_start (EV_A_ (W)w, 1); 3933 ev_start (EV_A_ (W)w, 1);
3709 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3934 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3710 wlist_add (&anfds[fd].head, (WL)w); 3935 wlist_add (&anfds[fd].head, (WL)w);
3711 3936
3712 /* common bug, apparently */ 3937 /* common bug, apparently */
3713 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); 3938 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3714 3939
3716 w->events &= ~EV__IOFDSET; 3941 w->events &= ~EV__IOFDSET;
3717 3942
3718 EV_FREQUENT_CHECK; 3943 EV_FREQUENT_CHECK;
3719} 3944}
3720 3945
3721void noinline 3946noinline
3947void
3722ev_io_stop (EV_P_ ev_io *w) EV_THROW 3948ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3723{ 3949{
3724 clear_pending (EV_A_ (W)w); 3950 clear_pending (EV_A_ (W)w);
3725 if (expect_false (!ev_is_active (w))) 3951 if (expect_false (!ev_is_active (w)))
3726 return; 3952 return;
3727 3953
3728 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 3954 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3729 3955
3956#if EV_VERIFY >= 2
3957 assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
3958#endif
3730 EV_FREQUENT_CHECK; 3959 EV_FREQUENT_CHECK;
3731 3960
3732 wlist_del (&anfds[w->fd].head, (WL)w); 3961 wlist_del (&anfds[w->fd].head, (WL)w);
3733 ev_stop (EV_A_ (W)w); 3962 ev_stop (EV_A_ (W)w);
3734 3963
3735 fd_change (EV_A_ w->fd, EV_ANFD_REIFY); 3964 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3736 3965
3737 EV_FREQUENT_CHECK; 3966 EV_FREQUENT_CHECK;
3738} 3967}
3739 3968
3740void noinline 3969noinline
3970void
3741ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3971ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3742{ 3972{
3743 if (expect_false (ev_is_active (w))) 3973 if (expect_false (ev_is_active (w)))
3744 return; 3974 return;
3745 3975
3746 ev_at (w) += mn_now; 3976 ev_at (w) += mn_now;
3749 3979
3750 EV_FREQUENT_CHECK; 3980 EV_FREQUENT_CHECK;
3751 3981
3752 ++timercnt; 3982 ++timercnt;
3753 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 3983 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3754 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 3984 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3755 ANHE_w (timers [ev_active (w)]) = (WT)w; 3985 ANHE_w (timers [ev_active (w)]) = (WT)w;
3756 ANHE_at_cache (timers [ev_active (w)]); 3986 ANHE_at_cache (timers [ev_active (w)]);
3757 upheap (timers, ev_active (w)); 3987 upheap (timers, ev_active (w));
3758 3988
3759 EV_FREQUENT_CHECK; 3989 EV_FREQUENT_CHECK;
3760 3990
3761 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3991 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3762} 3992}
3763 3993
3764void noinline 3994noinline
3995void
3765ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3996ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3766{ 3997{
3767 clear_pending (EV_A_ (W)w); 3998 clear_pending (EV_A_ (W)w);
3768 if (expect_false (!ev_is_active (w))) 3999 if (expect_false (!ev_is_active (w)))
3769 return; 4000 return;
3770 4001
3789 ev_stop (EV_A_ (W)w); 4020 ev_stop (EV_A_ (W)w);
3790 4021
3791 EV_FREQUENT_CHECK; 4022 EV_FREQUENT_CHECK;
3792} 4023}
3793 4024
3794void noinline 4025noinline
4026void
3795ev_timer_again (EV_P_ ev_timer *w) EV_THROW 4027ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3796{ 4028{
3797 EV_FREQUENT_CHECK; 4029 EV_FREQUENT_CHECK;
3798 4030
3799 clear_pending (EV_A_ (W)w); 4031 clear_pending (EV_A_ (W)w);
3800 4032
3817 4049
3818 EV_FREQUENT_CHECK; 4050 EV_FREQUENT_CHECK;
3819} 4051}
3820 4052
3821ev_tstamp 4053ev_tstamp
3822ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW 4054ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3823{ 4055{
3824 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4056 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3825} 4057}
3826 4058
3827#if EV_PERIODIC_ENABLE 4059#if EV_PERIODIC_ENABLE
3828void noinline 4060noinline
4061void
3829ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 4062ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3830{ 4063{
3831 if (expect_false (ev_is_active (w))) 4064 if (expect_false (ev_is_active (w)))
3832 return; 4065 return;
3833 4066
3834 if (w->reschedule_cb) 4067 if (w->reschedule_cb)
3843 4076
3844 EV_FREQUENT_CHECK; 4077 EV_FREQUENT_CHECK;
3845 4078
3846 ++periodiccnt; 4079 ++periodiccnt;
3847 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); 4080 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3848 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 4081 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3849 ANHE_w (periodics [ev_active (w)]) = (WT)w; 4082 ANHE_w (periodics [ev_active (w)]) = (WT)w;
3850 ANHE_at_cache (periodics [ev_active (w)]); 4083 ANHE_at_cache (periodics [ev_active (w)]);
3851 upheap (periodics, ev_active (w)); 4084 upheap (periodics, ev_active (w));
3852 4085
3853 EV_FREQUENT_CHECK; 4086 EV_FREQUENT_CHECK;
3854 4087
3855 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4088 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3856} 4089}
3857 4090
3858void noinline 4091noinline
4092void
3859ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4093ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3860{ 4094{
3861 clear_pending (EV_A_ (W)w); 4095 clear_pending (EV_A_ (W)w);
3862 if (expect_false (!ev_is_active (w))) 4096 if (expect_false (!ev_is_active (w)))
3863 return; 4097 return;
3864 4098
3881 ev_stop (EV_A_ (W)w); 4115 ev_stop (EV_A_ (W)w);
3882 4116
3883 EV_FREQUENT_CHECK; 4117 EV_FREQUENT_CHECK;
3884} 4118}
3885 4119
3886void noinline 4120noinline
4121void
3887ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4122ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3888{ 4123{
3889 /* TODO: use adjustheap and recalculation */ 4124 /* TODO: use adjustheap and recalculation */
3890 ev_periodic_stop (EV_A_ w); 4125 ev_periodic_stop (EV_A_ w);
3891 ev_periodic_start (EV_A_ w); 4126 ev_periodic_start (EV_A_ w);
3892} 4127}
3896# define SA_RESTART 0 4131# define SA_RESTART 0
3897#endif 4132#endif
3898 4133
3899#if EV_SIGNAL_ENABLE 4134#if EV_SIGNAL_ENABLE
3900 4135
3901void noinline 4136noinline
4137void
3902ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4138ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3903{ 4139{
3904 if (expect_false (ev_is_active (w))) 4140 if (expect_false (ev_is_active (w)))
3905 return; 4141 return;
3906 4142
3907 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4143 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3978 } 4214 }
3979 4215
3980 EV_FREQUENT_CHECK; 4216 EV_FREQUENT_CHECK;
3981} 4217}
3982 4218
3983void noinline 4219noinline
4220void
3984ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4221ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3985{ 4222{
3986 clear_pending (EV_A_ (W)w); 4223 clear_pending (EV_A_ (W)w);
3987 if (expect_false (!ev_is_active (w))) 4224 if (expect_false (!ev_is_active (w)))
3988 return; 4225 return;
3989 4226
4020#endif 4257#endif
4021 4258
4022#if EV_CHILD_ENABLE 4259#if EV_CHILD_ENABLE
4023 4260
4024void 4261void
4025ev_child_start (EV_P_ ev_child *w) EV_THROW 4262ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4026{ 4263{
4027#if EV_MULTIPLICITY 4264#if EV_MULTIPLICITY
4028 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4265 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4029#endif 4266#endif
4030 if (expect_false (ev_is_active (w))) 4267 if (expect_false (ev_is_active (w)))
4037 4274
4038 EV_FREQUENT_CHECK; 4275 EV_FREQUENT_CHECK;
4039} 4276}
4040 4277
4041void 4278void
4042ev_child_stop (EV_P_ ev_child *w) EV_THROW 4279ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4043{ 4280{
4044 clear_pending (EV_A_ (W)w); 4281 clear_pending (EV_A_ (W)w);
4045 if (expect_false (!ev_is_active (w))) 4282 if (expect_false (!ev_is_active (w)))
4046 return; 4283 return;
4047 4284
4064 4301
4065#define DEF_STAT_INTERVAL 5.0074891 4302#define DEF_STAT_INTERVAL 5.0074891
4066#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ 4303#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4067#define MIN_STAT_INTERVAL 0.1074891 4304#define MIN_STAT_INTERVAL 0.1074891
4068 4305
4069static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 4306noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4070 4307
4071#if EV_USE_INOTIFY 4308#if EV_USE_INOTIFY
4072 4309
4073/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ 4310/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
4074# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 4311# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4075 4312
4076static void noinline 4313noinline
4314static void
4077infy_add (EV_P_ ev_stat *w) 4315infy_add (EV_P_ ev_stat *w)
4078{ 4316{
4079 w->wd = inotify_add_watch (fs_fd, w->path, 4317 w->wd = inotify_add_watch (fs_fd, w->path,
4080 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY 4318 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4081 | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO 4319 | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
4145 if (ev_is_active (&w->timer)) ev_ref (EV_A); 4383 if (ev_is_active (&w->timer)) ev_ref (EV_A);
4146 ev_timer_again (EV_A_ &w->timer); 4384 ev_timer_again (EV_A_ &w->timer);
4147 if (ev_is_active (&w->timer)) ev_unref (EV_A); 4385 if (ev_is_active (&w->timer)) ev_unref (EV_A);
4148} 4386}
4149 4387
4150static void noinline 4388noinline
4389static void
4151infy_del (EV_P_ ev_stat *w) 4390infy_del (EV_P_ ev_stat *w)
4152{ 4391{
4153 int slot; 4392 int slot;
4154 int wd = w->wd; 4393 int wd = w->wd;
4155 4394
4162 4401
4163 /* remove this watcher, if others are watching it, they will rearm */ 4402 /* remove this watcher, if others are watching it, they will rearm */
4164 inotify_rm_watch (fs_fd, wd); 4403 inotify_rm_watch (fs_fd, wd);
4165} 4404}
4166 4405
4167static void noinline 4406noinline
4407static void
4168infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 4408infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4169{ 4409{
4170 if (slot < 0) 4410 if (slot < 0)
4171 /* overflow, need to check for all hash slots */ 4411 /* overflow, need to check for all hash slots */
4172 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) 4412 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
4208 infy_wd (EV_A_ ev->wd, ev->wd, ev); 4448 infy_wd (EV_A_ ev->wd, ev->wd, ev);
4209 ofs += sizeof (struct inotify_event) + ev->len; 4449 ofs += sizeof (struct inotify_event) + ev->len;
4210 } 4450 }
4211} 4451}
4212 4452
4213inline_size void ecb_cold 4453inline_size ecb_cold
4454void
4214ev_check_2625 (EV_P) 4455ev_check_2625 (EV_P)
4215{ 4456{
4216 /* kernels < 2.6.25 are borked 4457 /* kernels < 2.6.25 are borked
4217 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 4458 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4218 */ 4459 */
4308#else 4549#else
4309# define EV_LSTAT(p,b) lstat (p, b) 4550# define EV_LSTAT(p,b) lstat (p, b)
4310#endif 4551#endif
4311 4552
4312void 4553void
4313ev_stat_stat (EV_P_ ev_stat *w) EV_THROW 4554ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4314{ 4555{
4315 if (lstat (w->path, &w->attr) < 0) 4556 if (lstat (w->path, &w->attr) < 0)
4316 w->attr.st_nlink = 0; 4557 w->attr.st_nlink = 0;
4317 else if (!w->attr.st_nlink) 4558 else if (!w->attr.st_nlink)
4318 w->attr.st_nlink = 1; 4559 w->attr.st_nlink = 1;
4319} 4560}
4320 4561
4321static void noinline 4562noinline
4563static void
4322stat_timer_cb (EV_P_ ev_timer *w_, int revents) 4564stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4323{ 4565{
4324 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 4566 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4325 4567
4326 ev_statdata prev = w->attr; 4568 ev_statdata prev = w->attr;
4357 ev_feed_event (EV_A_ w, EV_STAT); 4599 ev_feed_event (EV_A_ w, EV_STAT);
4358 } 4600 }
4359} 4601}
4360 4602
4361void 4603void
4362ev_stat_start (EV_P_ ev_stat *w) EV_THROW 4604ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4363{ 4605{
4364 if (expect_false (ev_is_active (w))) 4606 if (expect_false (ev_is_active (w)))
4365 return; 4607 return;
4366 4608
4367 ev_stat_stat (EV_A_ w); 4609 ev_stat_stat (EV_A_ w);
4388 4630
4389 EV_FREQUENT_CHECK; 4631 EV_FREQUENT_CHECK;
4390} 4632}
4391 4633
4392void 4634void
4393ev_stat_stop (EV_P_ ev_stat *w) EV_THROW 4635ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4394{ 4636{
4395 clear_pending (EV_A_ (W)w); 4637 clear_pending (EV_A_ (W)w);
4396 if (expect_false (!ev_is_active (w))) 4638 if (expect_false (!ev_is_active (w)))
4397 return; 4639 return;
4398 4640
4414} 4656}
4415#endif 4657#endif
4416 4658
4417#if EV_IDLE_ENABLE 4659#if EV_IDLE_ENABLE
4418void 4660void
4419ev_idle_start (EV_P_ ev_idle *w) EV_THROW 4661ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4420{ 4662{
4421 if (expect_false (ev_is_active (w))) 4663 if (expect_false (ev_is_active (w)))
4422 return; 4664 return;
4423 4665
4424 pri_adjust (EV_A_ (W)w); 4666 pri_adjust (EV_A_ (W)w);
4429 int active = ++idlecnt [ABSPRI (w)]; 4671 int active = ++idlecnt [ABSPRI (w)];
4430 4672
4431 ++idleall; 4673 ++idleall;
4432 ev_start (EV_A_ (W)w, active); 4674 ev_start (EV_A_ (W)w, active);
4433 4675
4434 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 4676 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4435 idles [ABSPRI (w)][active - 1] = w; 4677 idles [ABSPRI (w)][active - 1] = w;
4436 } 4678 }
4437 4679
4438 EV_FREQUENT_CHECK; 4680 EV_FREQUENT_CHECK;
4439} 4681}
4440 4682
4441void 4683void
4442ev_idle_stop (EV_P_ ev_idle *w) EV_THROW 4684ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4443{ 4685{
4444 clear_pending (EV_A_ (W)w); 4686 clear_pending (EV_A_ (W)w);
4445 if (expect_false (!ev_is_active (w))) 4687 if (expect_false (!ev_is_active (w)))
4446 return; 4688 return;
4447 4689
4461} 4703}
4462#endif 4704#endif
4463 4705
4464#if EV_PREPARE_ENABLE 4706#if EV_PREPARE_ENABLE
4465void 4707void
4466ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW 4708ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4467{ 4709{
4468 if (expect_false (ev_is_active (w))) 4710 if (expect_false (ev_is_active (w)))
4469 return; 4711 return;
4470 4712
4471 EV_FREQUENT_CHECK; 4713 EV_FREQUENT_CHECK;
4472 4714
4473 ev_start (EV_A_ (W)w, ++preparecnt); 4715 ev_start (EV_A_ (W)w, ++preparecnt);
4474 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 4716 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4475 prepares [preparecnt - 1] = w; 4717 prepares [preparecnt - 1] = w;
4476 4718
4477 EV_FREQUENT_CHECK; 4719 EV_FREQUENT_CHECK;
4478} 4720}
4479 4721
4480void 4722void
4481ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW 4723ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4482{ 4724{
4483 clear_pending (EV_A_ (W)w); 4725 clear_pending (EV_A_ (W)w);
4484 if (expect_false (!ev_is_active (w))) 4726 if (expect_false (!ev_is_active (w)))
4485 return; 4727 return;
4486 4728
4499} 4741}
4500#endif 4742#endif
4501 4743
4502#if EV_CHECK_ENABLE 4744#if EV_CHECK_ENABLE
4503void 4745void
4504ev_check_start (EV_P_ ev_check *w) EV_THROW 4746ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4505{ 4747{
4506 if (expect_false (ev_is_active (w))) 4748 if (expect_false (ev_is_active (w)))
4507 return; 4749 return;
4508 4750
4509 EV_FREQUENT_CHECK; 4751 EV_FREQUENT_CHECK;
4510 4752
4511 ev_start (EV_A_ (W)w, ++checkcnt); 4753 ev_start (EV_A_ (W)w, ++checkcnt);
4512 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 4754 array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4513 checks [checkcnt - 1] = w; 4755 checks [checkcnt - 1] = w;
4514 4756
4515 EV_FREQUENT_CHECK; 4757 EV_FREQUENT_CHECK;
4516} 4758}
4517 4759
4518void 4760void
4519ev_check_stop (EV_P_ ev_check *w) EV_THROW 4761ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4520{ 4762{
4521 clear_pending (EV_A_ (W)w); 4763 clear_pending (EV_A_ (W)w);
4522 if (expect_false (!ev_is_active (w))) 4764 if (expect_false (!ev_is_active (w)))
4523 return; 4765 return;
4524 4766
4536 EV_FREQUENT_CHECK; 4778 EV_FREQUENT_CHECK;
4537} 4779}
4538#endif 4780#endif
4539 4781
4540#if EV_EMBED_ENABLE 4782#if EV_EMBED_ENABLE
4541void noinline 4783noinline
4784void
4542ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4785ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4543{ 4786{
4544 ev_run (w->other, EVRUN_NOWAIT); 4787 ev_run (w->other, EVRUN_NOWAIT);
4545} 4788}
4546 4789
4547static void 4790static void
4595 ev_idle_stop (EV_A_ idle); 4838 ev_idle_stop (EV_A_ idle);
4596} 4839}
4597#endif 4840#endif
4598 4841
4599void 4842void
4600ev_embed_start (EV_P_ ev_embed *w) EV_THROW 4843ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4601{ 4844{
4602 if (expect_false (ev_is_active (w))) 4845 if (expect_false (ev_is_active (w)))
4603 return; 4846 return;
4604 4847
4605 { 4848 {
4626 4869
4627 EV_FREQUENT_CHECK; 4870 EV_FREQUENT_CHECK;
4628} 4871}
4629 4872
4630void 4873void
4631ev_embed_stop (EV_P_ ev_embed *w) EV_THROW 4874ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4632{ 4875{
4633 clear_pending (EV_A_ (W)w); 4876 clear_pending (EV_A_ (W)w);
4634 if (expect_false (!ev_is_active (w))) 4877 if (expect_false (!ev_is_active (w)))
4635 return; 4878 return;
4636 4879
4646} 4889}
4647#endif 4890#endif
4648 4891
4649#if EV_FORK_ENABLE 4892#if EV_FORK_ENABLE
4650void 4893void
4651ev_fork_start (EV_P_ ev_fork *w) EV_THROW 4894ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4652{ 4895{
4653 if (expect_false (ev_is_active (w))) 4896 if (expect_false (ev_is_active (w)))
4654 return; 4897 return;
4655 4898
4656 EV_FREQUENT_CHECK; 4899 EV_FREQUENT_CHECK;
4657 4900
4658 ev_start (EV_A_ (W)w, ++forkcnt); 4901 ev_start (EV_A_ (W)w, ++forkcnt);
4659 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 4902 array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4660 forks [forkcnt - 1] = w; 4903 forks [forkcnt - 1] = w;
4661 4904
4662 EV_FREQUENT_CHECK; 4905 EV_FREQUENT_CHECK;
4663} 4906}
4664 4907
4665void 4908void
4666ev_fork_stop (EV_P_ ev_fork *w) EV_THROW 4909ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4667{ 4910{
4668 clear_pending (EV_A_ (W)w); 4911 clear_pending (EV_A_ (W)w);
4669 if (expect_false (!ev_is_active (w))) 4912 if (expect_false (!ev_is_active (w)))
4670 return; 4913 return;
4671 4914
4684} 4927}
4685#endif 4928#endif
4686 4929
4687#if EV_CLEANUP_ENABLE 4930#if EV_CLEANUP_ENABLE
4688void 4931void
4689ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW 4932ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4690{ 4933{
4691 if (expect_false (ev_is_active (w))) 4934 if (expect_false (ev_is_active (w)))
4692 return; 4935 return;
4693 4936
4694 EV_FREQUENT_CHECK; 4937 EV_FREQUENT_CHECK;
4695 4938
4696 ev_start (EV_A_ (W)w, ++cleanupcnt); 4939 ev_start (EV_A_ (W)w, ++cleanupcnt);
4697 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 4940 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4698 cleanups [cleanupcnt - 1] = w; 4941 cleanups [cleanupcnt - 1] = w;
4699 4942
4700 /* cleanup watchers should never keep a refcount on the loop */ 4943 /* cleanup watchers should never keep a refcount on the loop */
4701 ev_unref (EV_A); 4944 ev_unref (EV_A);
4702 EV_FREQUENT_CHECK; 4945 EV_FREQUENT_CHECK;
4703} 4946}
4704 4947
4705void 4948void
4706ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW 4949ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4707{ 4950{
4708 clear_pending (EV_A_ (W)w); 4951 clear_pending (EV_A_ (W)w);
4709 if (expect_false (!ev_is_active (w))) 4952 if (expect_false (!ev_is_active (w)))
4710 return; 4953 return;
4711 4954
4725} 4968}
4726#endif 4969#endif
4727 4970
4728#if EV_ASYNC_ENABLE 4971#if EV_ASYNC_ENABLE
4729void 4972void
4730ev_async_start (EV_P_ ev_async *w) EV_THROW 4973ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4731{ 4974{
4732 if (expect_false (ev_is_active (w))) 4975 if (expect_false (ev_is_active (w)))
4733 return; 4976 return;
4734 4977
4735 w->sent = 0; 4978 w->sent = 0;
4737 evpipe_init (EV_A); 4980 evpipe_init (EV_A);
4738 4981
4739 EV_FREQUENT_CHECK; 4982 EV_FREQUENT_CHECK;
4740 4983
4741 ev_start (EV_A_ (W)w, ++asynccnt); 4984 ev_start (EV_A_ (W)w, ++asynccnt);
4742 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 4985 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4743 asyncs [asynccnt - 1] = w; 4986 asyncs [asynccnt - 1] = w;
4744 4987
4745 EV_FREQUENT_CHECK; 4988 EV_FREQUENT_CHECK;
4746} 4989}
4747 4990
4748void 4991void
4749ev_async_stop (EV_P_ ev_async *w) EV_THROW 4992ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4750{ 4993{
4751 clear_pending (EV_A_ (W)w); 4994 clear_pending (EV_A_ (W)w);
4752 if (expect_false (!ev_is_active (w))) 4995 if (expect_false (!ev_is_active (w)))
4753 return; 4996 return;
4754 4997
4765 5008
4766 EV_FREQUENT_CHECK; 5009 EV_FREQUENT_CHECK;
4767} 5010}
4768 5011
4769void 5012void
4770ev_async_send (EV_P_ ev_async *w) EV_THROW 5013ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4771{ 5014{
4772 w->sent = 1; 5015 w->sent = 1;
4773 evpipe_write (EV_A_ &async_pending); 5016 evpipe_write (EV_A_ &async_pending);
4774} 5017}
4775#endif 5018#endif
4812 5055
4813 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 5056 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4814} 5057}
4815 5058
4816void 5059void
4817ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW 5060ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4818{ 5061{
4819 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 5062 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4820
4821 if (expect_false (!once))
4822 {
4823 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4824 return;
4825 }
4826 5063
4827 once->cb = cb; 5064 once->cb = cb;
4828 once->arg = arg; 5065 once->arg = arg;
4829 5066
4830 ev_init (&once->io, once_cb_io); 5067 ev_init (&once->io, once_cb_io);
4843} 5080}
4844 5081
4845/*****************************************************************************/ 5082/*****************************************************************************/
4846 5083
4847#if EV_WALK_ENABLE 5084#if EV_WALK_ENABLE
4848void ecb_cold 5085ecb_cold
5086void
4849ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW 5087ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4850{ 5088{
4851 int i, j; 5089 int i, j;
4852 ev_watcher_list *wl, *wn; 5090 ev_watcher_list *wl, *wn;
4853 5091
4854 if (types & (EV_IO | EV_EMBED)) 5092 if (types & (EV_IO | EV_EMBED))

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