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Comparing libev/ev.c (file contents):
Revision 1.480 by root, Thu Feb 18 04:48:05 2016 UTC vs.
Revision 1.497 by root, Tue Jun 25 04:52:30 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 0x00010005 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;
… …
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 }
… …
653 #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ 683 #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
654#endif 684#endif
655 685
656#ifndef ECB_MEMORY_FENCE 686#ifndef ECB_MEMORY_FENCE
657 #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")
658 #if __i386 || __i386__ 689 #if __i386 || __i386__
659 #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")
660 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 691 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
661 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 692 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
662 #elif ECB_GCC_AMD64 693 #elif ECB_GCC_AMD64
663 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 694 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
664 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 695 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
665 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 696 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
666 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 697 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
667 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 698 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
668 #elif defined __ARM_ARCH_2__ \ 699 #elif defined __ARM_ARCH_2__ \
669 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ 700 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
670 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ 701 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
… …
712 #if ECB_GCC_VERSION(4,7) 743 #if ECB_GCC_VERSION(4,7)
713 /* see comment below (stdatomic.h) about the C11 memory model. */ 744 /* see comment below (stdatomic.h) about the C11 memory model. */
714 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) 745 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
715 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) 746 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
716 #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)
717 749
718 #elif ECB_CLANG_EXTENSION(c_atomic) 750 #elif ECB_CLANG_EXTENSION(c_atomic)
719 /* see comment below (stdatomic.h) about the C11 memory model. */ 751 /* see comment below (stdatomic.h) about the C11 memory model. */
720 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) 752 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
721 #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) 753 #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
722 #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)
723 756
724 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ 757 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
725 #define ECB_MEMORY_FENCE __sync_synchronize () 758 #define ECB_MEMORY_FENCE __sync_synchronize ()
726 #elif _MSC_VER >= 1500 /* VC++ 2008 */ 759 #elif _MSC_VER >= 1500 /* VC++ 2008 */
727 /* 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... */
… …
737 #elif defined _WIN32 770 #elif defined _WIN32
738 #include <WinNT.h> 771 #include <WinNT.h>
739 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 772 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
740 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 773 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
741 #include <mbarrier.h> 774 #include <mbarrier.h>
742 #define ECB_MEMORY_FENCE __machine_rw_barrier () 775 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
743 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 776 #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
744 #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 ()
745 #elif __xlC__ 779 #elif __xlC__
746 #define ECB_MEMORY_FENCE __sync () 780 #define ECB_MEMORY_FENCE __sync ()
747 #endif 781 #endif
748#endif 782#endif
749 783
750#ifndef ECB_MEMORY_FENCE 784#ifndef ECB_MEMORY_FENCE
751 #if ECB_C11 && !defined __STDC_NO_ATOMICS__ 785 #if ECB_C11 && !defined __STDC_NO_ATOMICS__
752 /* 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, */
753 /* not just C11 atomics and atomic accesses */ 787 /* not just C11 atomics and atomic accesses */
754 #include <stdatomic.h> 788 #include <stdatomic.h>
755 /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
756 /* any fence other than seq_cst, which isn't very efficient for us. */
757 /* Why that is, we don't know - either the C11 memory model is quite useless */
758 /* for most usages, or gcc and clang have a bug */
759 /* I *currently* lean towards the latter, and inefficiently implement */
760 /* all three of ecb's fences as a seq_cst fence */
761 /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
762 /* for all __atomic_thread_fence's except seq_cst */
763 #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)
764 #endif 792 #endif
765#endif 793#endif
766 794
767#ifndef ECB_MEMORY_FENCE 795#ifndef ECB_MEMORY_FENCE
768 #if !ECB_AVOID_PTHREADS 796 #if !ECB_AVOID_PTHREADS
… …
786 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 814 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
787#endif 815#endif
788 816
789#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE 817#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
790 #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 */
791#endif 823#endif
792 824
793/*****************************************************************************/ 825/*****************************************************************************/
794 826
795#if ECB_CPP 827#if ECB_CPP
… …
1538# define ABSPRI(w) (((W)w), 0) 1570# define ABSPRI(w) (((W)w), 0)
1539#else 1571#else
1540# define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 1572# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1541#endif 1573#endif
1542 1574
1543#define EMPTY /* required for microsofts broken pseudo-c compiler */ 1575#define EMPTY /* required for microsofts broken pseudo-c compiler */
1544#define EMPTY2(a,b) /* used to suppress some warnings */
1545 1576
1546typedef ev_watcher *W; 1577typedef ev_watcher *W;
1547typedef ev_watcher_list *WL; 1578typedef ev_watcher_list *WL;
1548typedef ev_watcher_time *WT; 1579typedef ev_watcher_time *WT;
1549 1580
… …
1573#ifdef _WIN32 1604#ifdef _WIN32
1574# include "ev_win32.c" 1605# include "ev_win32.c"
1575#endif 1606#endif
1576 1607
1577/*****************************************************************************/ 1608/*****************************************************************************/
1609
1610#if EV_USE_LINUXAIO
1611# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
1612#endif
1578 1613
1579/* define a suitable floor function (only used by periodics atm) */ 1614/* define a suitable floor function (only used by periodics atm) */
1580 1615
1581#if EV_USE_FLOOR 1616#if EV_USE_FLOOR
1582# include <math.h> 1617# include <math.h>
… …
1675{ 1710{
1676 write (STDERR_FILENO, msg, strlen (msg)); 1711 write (STDERR_FILENO, msg, strlen (msg));
1677} 1712}
1678#endif 1713#endif
1679 1714
1680static void (*syserr_cb)(const char *msg) EV_THROW; 1715static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1681 1716
1682ecb_cold 1717ecb_cold
1683void 1718void
1684ev_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
1685{ 1720{
1686 syserr_cb = cb; 1721 syserr_cb = cb;
1687} 1722}
1688 1723
1689noinline ecb_cold 1724noinline ecb_cold
… …
1708 abort (); 1743 abort ();
1709 } 1744 }
1710} 1745}
1711 1746
1712static void * 1747static void *
1713ev_realloc_emul (void *ptr, long size) EV_THROW 1748ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1714{ 1749{
1715 /* some systems, notably openbsd and darwin, fail to properly 1750 /* some systems, notably openbsd and darwin, fail to properly
1716 * 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
1717 * the single unix specification, so work around them here. 1752 * the single unix specification, so work around them here.
1718 * recently, also (at least) fedora and debian started breaking it, 1753 * recently, also (at least) fedora and debian started breaking it,
… …
1724 1759
1725 free (ptr); 1760 free (ptr);
1726 return 0; 1761 return 0;
1727} 1762}
1728 1763
1729static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; 1764static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1730 1765
1731ecb_cold 1766ecb_cold
1732void 1767void
1733ev_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
1734{ 1769{
1735 alloc = cb; 1770 alloc = cb;
1736} 1771}
1737 1772
1738inline_speed void * 1773inline_speed void *
… …
1765typedef struct 1800typedef struct
1766{ 1801{
1767 WL head; 1802 WL head;
1768 unsigned char events; /* the events watched for */ 1803 unsigned char events; /* the events watched for */
1769 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) */
1770 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 */
1771 unsigned char unused; 1806 unsigned char unused;
1772#if EV_USE_EPOLL 1807#if EV_USE_EPOLL
1773 unsigned int egen; /* generation counter to counter epoll bugs */ 1808 unsigned int egen; /* generation counter to counter epoll bugs */
1774#endif 1809#endif
1775#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1810#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
… …
1855 1890
1856/*****************************************************************************/ 1891/*****************************************************************************/
1857 1892
1858#ifndef EV_HAVE_EV_TIME 1893#ifndef EV_HAVE_EV_TIME
1859ev_tstamp 1894ev_tstamp
1860ev_time (void) EV_THROW 1895ev_time (void) EV_NOEXCEPT
1861{ 1896{
1862#if EV_USE_REALTIME 1897#if EV_USE_REALTIME
1863 if (expect_true (have_realtime)) 1898 if (expect_true (have_realtime))
1864 { 1899 {
1865 struct timespec ts; 1900 struct timespec ts;
… …
1889 return ev_time (); 1924 return ev_time ();
1890} 1925}
1891 1926
1892#if EV_MULTIPLICITY 1927#if EV_MULTIPLICITY
1893ev_tstamp 1928ev_tstamp
1894ev_now (EV_P) EV_THROW 1929ev_now (EV_P) EV_NOEXCEPT
1895{ 1930{
1896 return ev_rt_now; 1931 return ev_rt_now;
1897} 1932}
1898#endif 1933#endif
1899 1934
1900void 1935void
1901ev_sleep (ev_tstamp delay) EV_THROW 1936ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1902{ 1937{
1903 if (delay > 0.) 1938 if (delay > 0.)
1904 { 1939 {
1905#if EV_USE_NANOSLEEP 1940#if EV_USE_NANOSLEEP
1906 struct timespec ts; 1941 struct timespec ts;
1907 1942
1908 EV_TS_SET (ts, delay); 1943 EV_TS_SET (ts, delay);
1909 nanosleep (&ts, 0); 1944 nanosleep (&ts, 0);
1910#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) */
1911 Sleep ((unsigned long)(delay * 1e3)); 1948 Sleep ((unsigned long)(delay * 1e3));
1912#else 1949#else
1913 struct timeval tv; 1950 struct timeval tv;
1914 1951
1915 /* 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 */
… …
1954{ 1991{
1955 *cur = array_nextsize (elem, *cur, cnt); 1992 *cur = array_nextsize (elem, *cur, cnt);
1956 return ev_realloc (base, elem * *cur); 1993 return ev_realloc (base, elem * *cur);
1957} 1994}
1958 1995
1996#define array_needsize_noinit(base,offset,count)
1997
1959#define array_init_zero(base,count) \ 1998#define array_needsize_zerofill(base,offset,count) \
1960 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1999 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1961 2000
1962#define array_needsize(type,base,cur,cnt,init) \ 2001#define array_needsize(type,base,cur,cnt,init) \
1963 if (expect_false ((cnt) > (cur))) \ 2002 if (expect_false ((cnt) > (cur))) \
1964 { \ 2003 { \
1965 ecb_unused int ocur_ = (cur); \ 2004 ecb_unused int ocur_ = (cur); \
1966 (base) = (type *)array_realloc \ 2005 (base) = (type *)array_realloc \
1967 (sizeof (type), (base), &(cur), (cnt)); \ 2006 (sizeof (type), (base), &(cur), (cnt)); \
1968 init ((base) + (ocur_), (cur) - ocur_); \ 2007 init ((base), ocur_, ((cur) - ocur_)); \
1969 } 2008 }
1970 2009
1971#if 0 2010#if 0
1972#define array_slim(type,stem) \ 2011#define array_slim(type,stem) \
1973 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ 2012 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
… …
1990{ 2029{
1991} 2030}
1992 2031
1993noinline 2032noinline
1994void 2033void
1995ev_feed_event (EV_P_ void *w, int revents) EV_THROW 2034ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1996{ 2035{
1997 W w_ = (W)w; 2036 W w_ = (W)w;
1998 int pri = ABSPRI (w_); 2037 int pri = ABSPRI (w_);
1999 2038
2000 if (expect_false (w_->pending)) 2039 if (expect_false (w_->pending))
2001 pendings [pri][w_->pending - 1].events |= revents; 2040 pendings [pri][w_->pending - 1].events |= revents;
2002 else 2041 else
2003 { 2042 {
2004 w_->pending = ++pendingcnt [pri]; 2043 w_->pending = ++pendingcnt [pri];
2005 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 2044 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
2006 pendings [pri][w_->pending - 1].w = w_; 2045 pendings [pri][w_->pending - 1].w = w_;
2007 pendings [pri][w_->pending - 1].events = revents; 2046 pendings [pri][w_->pending - 1].events = revents;
2008 } 2047 }
2009 2048
2010 pendingpri = NUMPRI - 1; 2049 pendingpri = NUMPRI - 1;
2011} 2050}
2012 2051
2013inline_speed void 2052inline_speed void
2014feed_reverse (EV_P_ W w) 2053feed_reverse (EV_P_ W w)
2015{ 2054{
2016 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); 2055 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
2017 rfeeds [rfeedcnt++] = w; 2056 rfeeds [rfeedcnt++] = w;
2018} 2057}
2019 2058
2020inline_size void 2059inline_size void
2021feed_reverse_done (EV_P_ int revents) 2060feed_reverse_done (EV_P_ int revents)
… …
2061 if (expect_true (!anfd->reify)) 2100 if (expect_true (!anfd->reify))
2062 fd_event_nocheck (EV_A_ fd, revents); 2101 fd_event_nocheck (EV_A_ fd, revents);
2063} 2102}
2064 2103
2065void 2104void
2066ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW 2105ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
2067{ 2106{
2068 if (fd >= 0 && fd < anfdmax) 2107 if (fd >= 0 && fd < anfdmax)
2069 fd_event_nocheck (EV_A_ fd, revents); 2108 fd_event_nocheck (EV_A_ fd, revents);
2070} 2109}
2071 2110
… …
2108 ev_io *w; 2147 ev_io *w;
2109 2148
2110 unsigned char o_events = anfd->events; 2149 unsigned char o_events = anfd->events;
2111 unsigned char o_reify = anfd->reify; 2150 unsigned char o_reify = anfd->reify;
2112 2151
2113 anfd->reify = 0; 2152 anfd->reify = 0;
2114 2153
2115 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 2154 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
2116 { 2155 {
2117 anfd->events = 0; 2156 anfd->events = 0;
2118 2157
… …
2139 anfds [fd].reify |= flags; 2178 anfds [fd].reify |= flags;
2140 2179
2141 if (expect_true (!reify)) 2180 if (expect_true (!reify))
2142 { 2181 {
2143 ++fdchangecnt; 2182 ++fdchangecnt;
2144 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 2183 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2145 fdchanges [fdchangecnt - 1] = fd; 2184 fdchanges [fdchangecnt - 1] = fd;
2146 } 2185 }
2147} 2186}
2148 2187
2149/* 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 */
… …
2471#endif 2510#endif
2472 { 2511 {
2473#ifdef _WIN32 2512#ifdef _WIN32
2474 WSABUF buf; 2513 WSABUF buf;
2475 DWORD sent; 2514 DWORD sent;
2476 buf.buf = &buf; 2515 buf.buf = (char *)&buf;
2477 buf.len = 1; 2516 buf.len = 1;
2478 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);
2479#else 2518#else
2480 write (evpipe [1], &(evpipe [1]), 1); 2519 write (evpipe [1], &(evpipe [1]), 1);
2481#endif 2520#endif
… …
2553} 2592}
2554 2593
2555/*****************************************************************************/ 2594/*****************************************************************************/
2556 2595
2557void 2596void
2558ev_feed_signal (int signum) EV_THROW 2597ev_feed_signal (int signum) EV_NOEXCEPT
2559{ 2598{
2560#if EV_MULTIPLICITY 2599#if EV_MULTIPLICITY
2561 EV_P; 2600 EV_P;
2562 ECB_MEMORY_FENCE_ACQUIRE; 2601 ECB_MEMORY_FENCE_ACQUIRE;
2563 EV_A = signals [signum - 1].loop; 2602 EV_A = signals [signum - 1].loop;
… …
2580 ev_feed_signal (signum); 2619 ev_feed_signal (signum);
2581} 2620}
2582 2621
2583noinline 2622noinline
2584void 2623void
2585ev_feed_signal_event (EV_P_ int signum) EV_THROW 2624ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2586{ 2625{
2587 WL w; 2626 WL w;
2588 2627
2589 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2628 if (expect_false (signum <= 0 || signum >= EV_NSIG))
2590 return; 2629 return;
… …
2699# include "ev_kqueue.c" 2738# include "ev_kqueue.c"
2700#endif 2739#endif
2701#if EV_USE_EPOLL 2740#if EV_USE_EPOLL
2702# include "ev_epoll.c" 2741# include "ev_epoll.c"
2703#endif 2742#endif
2743#if EV_USE_LINUXAIO
2744# include "ev_linuxaio.c"
2745#endif
2704#if EV_USE_POLL 2746#if EV_USE_POLL
2705# include "ev_poll.c" 2747# include "ev_poll.c"
2706#endif 2748#endif
2707#if EV_USE_SELECT 2749#if EV_USE_SELECT
2708# include "ev_select.c" 2750# include "ev_select.c"
2709#endif 2751#endif
2710 2752
2711ecb_cold int 2753ecb_cold int
2712ev_version_major (void) EV_THROW 2754ev_version_major (void) EV_NOEXCEPT
2713{ 2755{
2714 return EV_VERSION_MAJOR; 2756 return EV_VERSION_MAJOR;
2715} 2757}
2716 2758
2717ecb_cold int 2759ecb_cold int
2718ev_version_minor (void) EV_THROW 2760ev_version_minor (void) EV_NOEXCEPT
2719{ 2761{
2720 return EV_VERSION_MINOR; 2762 return EV_VERSION_MINOR;
2721} 2763}
2722 2764
2723/* 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 */
… …
2732#endif 2774#endif
2733} 2775}
2734 2776
2735ecb_cold 2777ecb_cold
2736unsigned int 2778unsigned int
2737ev_supported_backends (void) EV_THROW 2779ev_supported_backends (void) EV_NOEXCEPT
2738{ 2780{
2739 unsigned int flags = 0; 2781 unsigned int flags = 0;
2740 2782
2741 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2783 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2742 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2784 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2743 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2785 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2786 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2744 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2787 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2745 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2788 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2746 2789
2747 return flags; 2790 return flags;
2748} 2791}
2749 2792
2750ecb_cold 2793ecb_cold
2751unsigned int 2794unsigned int
2752ev_recommended_backends (void) EV_THROW 2795ev_recommended_backends (void) EV_NOEXCEPT
2753{ 2796{
2754 unsigned int flags = ev_supported_backends (); 2797 unsigned int flags = ev_supported_backends ();
2755 2798
2756#ifndef __NetBSD__ 2799#ifndef __NetBSD__
2757 /* kqueue is borked on everything but netbsd apparently */ 2800 /* kqueue is borked on everything but netbsd apparently */
… …
2765#endif 2808#endif
2766#ifdef __FreeBSD__ 2809#ifdef __FreeBSD__
2767 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) */
2768#endif 2811#endif
2769 2812
2813 /* TODO: linuxaio is very experimental */
2814#if !EV_RECOMMEND_LINUXAIO
2815 flags &= ~EVBACKEND_LINUXAIO;
2816#endif
2817
2770 return flags; 2818 return flags;
2771} 2819}
2772 2820
2773ecb_cold 2821ecb_cold
2774unsigned int 2822unsigned int
2775ev_embeddable_backends (void) EV_THROW 2823ev_embeddable_backends (void) EV_NOEXCEPT
2776{ 2824{
2777 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2825 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2778 2826
2779 /* 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 */
2780 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 */
… …
2782 2830
2783 return flags; 2831 return flags;
2784} 2832}
2785 2833
2786unsigned int 2834unsigned int
2787ev_backend (EV_P) EV_THROW 2835ev_backend (EV_P) EV_NOEXCEPT
2788{ 2836{
2789 return backend; 2837 return backend;
2790} 2838}
2791 2839
2792#if EV_FEATURE_API 2840#if EV_FEATURE_API
2793unsigned int 2841unsigned int
2794ev_iteration (EV_P) EV_THROW 2842ev_iteration (EV_P) EV_NOEXCEPT
2795{ 2843{
2796 return loop_count; 2844 return loop_count;
2797} 2845}
2798 2846
2799unsigned int 2847unsigned int
2800ev_depth (EV_P) EV_THROW 2848ev_depth (EV_P) EV_NOEXCEPT
2801{ 2849{
2802 return loop_depth; 2850 return loop_depth;
2803} 2851}
2804 2852
2805void 2853void
2806ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2854ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2807{ 2855{
2808 io_blocktime = interval; 2856 io_blocktime = interval;
2809} 2857}
2810 2858
2811void 2859void
2812ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2860ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2813{ 2861{
2814 timeout_blocktime = interval; 2862 timeout_blocktime = interval;
2815} 2863}
2816 2864
2817void 2865void
2818ev_set_userdata (EV_P_ void *data) EV_THROW 2866ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2819{ 2867{
2820 userdata = data; 2868 userdata = data;
2821} 2869}
2822 2870
2823void * 2871void *
2824ev_userdata (EV_P) EV_THROW 2872ev_userdata (EV_P) EV_NOEXCEPT
2825{ 2873{
2826 return userdata; 2874 return userdata;
2827} 2875}
2828 2876
2829void 2877void
2830ev_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
2831{ 2879{
2832 invoke_cb = invoke_pending_cb; 2880 invoke_cb = invoke_pending_cb;
2833} 2881}
2834 2882
2835void 2883void
2836ev_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
2837{ 2885{
2838 release_cb = release; 2886 release_cb = release;
2839 acquire_cb = acquire; 2887 acquire_cb = acquire;
2840} 2888}
2841#endif 2889#endif
2842 2890
2843/* initialise a loop structure, must be zero-initialised */ 2891/* initialise a loop structure, must be zero-initialised */
2844noinline ecb_cold 2892noinline ecb_cold
2845static void 2893static void
2846loop_init (EV_P_ unsigned int flags) EV_THROW 2894loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2847{ 2895{
2848 if (!backend) 2896 if (!backend)
2849 { 2897 {
2850 origflags = flags; 2898 origflags = flags;
2851 2899
… …
2909 2957
2910 if (!(flags & EVBACKEND_MASK)) 2958 if (!(flags & EVBACKEND_MASK))
2911 flags |= ev_recommended_backends (); 2959 flags |= ev_recommended_backends ();
2912 2960
2913#if EV_USE_IOCP 2961#if EV_USE_IOCP
2914 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2962 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2915#endif 2963#endif
2916#if EV_USE_PORT 2964#if EV_USE_PORT
2917 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2965 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2918#endif 2966#endif
2919#if EV_USE_KQUEUE 2967#if EV_USE_KQUEUE
2920 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);
2921#endif 2972#endif
2922#if EV_USE_EPOLL 2973#if EV_USE_EPOLL
2923 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 2974 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2924#endif 2975#endif
2925#if EV_USE_POLL 2976#if EV_USE_POLL
2926 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); 2977 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2927#endif 2978#endif
2928#if EV_USE_SELECT 2979#if EV_USE_SELECT
2929 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2980 if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2930#endif 2981#endif
2931 2982
2932 ev_prepare_init (&pending_w, pendingcb); 2983 ev_prepare_init (&pending_w, pendingcb);
2933 2984
2934#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2985#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
… …
2989 3040
2990 if (backend_fd >= 0) 3041 if (backend_fd >= 0)
2991 close (backend_fd); 3042 close (backend_fd);
2992 3043
2993#if EV_USE_IOCP 3044#if EV_USE_IOCP
2994 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); 3045 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2995#endif 3046#endif
2996#if EV_USE_PORT 3047#if EV_USE_PORT
2997 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3048 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2998#endif 3049#endif
2999#if EV_USE_KQUEUE 3050#if EV_USE_KQUEUE
3000 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);
3001#endif 3055#endif
3002#if EV_USE_EPOLL 3056#if EV_USE_EPOLL
3003 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); 3057 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
3004#endif 3058#endif
3005#if EV_USE_POLL 3059#if EV_USE_POLL
3006 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); 3060 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
3007#endif 3061#endif
3008#if EV_USE_SELECT 3062#if EV_USE_SELECT
3009 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 3063 if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
3010#endif 3064#endif
3011 3065
3012 for (i = NUMPRI; i--; ) 3066 for (i = NUMPRI; i--; )
3013 { 3067 {
3014 array_free (pending, [i]); 3068 array_free (pending, [i]);
… …
3056 3110
3057inline_size void 3111inline_size void
3058loop_fork (EV_P) 3112loop_fork (EV_P)
3059{ 3113{
3060#if EV_USE_PORT 3114#if EV_USE_PORT
3061 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3115 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3062#endif 3116#endif
3063#if EV_USE_KQUEUE 3117#if EV_USE_KQUEUE
3064 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);
3065#endif 3122#endif
3066#if EV_USE_EPOLL 3123#if EV_USE_EPOLL
3067 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3124 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
3068#endif 3125#endif
3069#if EV_USE_INOTIFY 3126#if EV_USE_INOTIFY
3070 infy_fork (EV_A); 3127 infy_fork (EV_A);
3071#endif 3128#endif
3072 3129
… …
3092 3149
3093#if EV_MULTIPLICITY 3150#if EV_MULTIPLICITY
3094 3151
3095ecb_cold 3152ecb_cold
3096struct ev_loop * 3153struct ev_loop *
3097ev_loop_new (unsigned int flags) EV_THROW 3154ev_loop_new (unsigned int flags) EV_NOEXCEPT
3098{ 3155{
3099 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3156 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
3100 3157
3101 memset (EV_A, 0, sizeof (struct ev_loop)); 3158 memset (EV_A, 0, sizeof (struct ev_loop));
3102 loop_init (EV_A_ flags); 3159 loop_init (EV_A_ flags);
… …
3149} 3206}
3150#endif 3207#endif
3151 3208
3152#if EV_FEATURE_API 3209#if EV_FEATURE_API
3153void ecb_cold 3210void ecb_cold
3154ev_verify (EV_P) EV_THROW 3211ev_verify (EV_P) EV_NOEXCEPT
3155{ 3212{
3156#if EV_VERIFY 3213#if EV_VERIFY
3157 int i; 3214 int i;
3158 WL w, w2; 3215 WL w, w2;
3159 3216
… …
3240ecb_cold 3297ecb_cold
3241struct ev_loop * 3298struct ev_loop *
3242#else 3299#else
3243int 3300int
3244#endif 3301#endif
3245ev_default_loop (unsigned int flags) EV_THROW 3302ev_default_loop (unsigned int flags) EV_NOEXCEPT
3246{ 3303{
3247 if (!ev_default_loop_ptr) 3304 if (!ev_default_loop_ptr)
3248 { 3305 {
3249#if EV_MULTIPLICITY 3306#if EV_MULTIPLICITY
3250 EV_P = ev_default_loop_ptr = &default_loop_struct; 3307 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
3269 3326
3270 return ev_default_loop_ptr; 3327 return ev_default_loop_ptr;
3271} 3328}
3272 3329
3273void 3330void
3274ev_loop_fork (EV_P) EV_THROW 3331ev_loop_fork (EV_P) EV_NOEXCEPT
3275{ 3332{
3276 postfork = 1; 3333 postfork = 1;
3277} 3334}
3278 3335
3279/*****************************************************************************/ 3336/*****************************************************************************/
… …
3283{ 3340{
3284 EV_CB_INVOKE ((W)w, revents); 3341 EV_CB_INVOKE ((W)w, revents);
3285} 3342}
3286 3343
3287unsigned int 3344unsigned int
3288ev_pending_count (EV_P) EV_THROW 3345ev_pending_count (EV_P) EV_NOEXCEPT
3289{ 3346{
3290 int pri; 3347 int pri;
3291 unsigned int count = 0; 3348 unsigned int count = 0;
3292 3349
3293 for (pri = NUMPRI; pri--; ) 3350 for (pri = NUMPRI; pri--; )
… …
3300void 3357void
3301ev_invoke_pending (EV_P) 3358ev_invoke_pending (EV_P)
3302{ 3359{
3303 pendingpri = NUMPRI; 3360 pendingpri = NUMPRI;
3304 3361
3305 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ 3362 do
3306 { 3363 {
3307 --pendingpri; 3364 --pendingpri;
3308 3365
3366 /* pendingpri possibly gets modified in the inner loop */
3309 while (pendingcnt [pendingpri]) 3367 while (pendingcnt [pendingpri])
3310 { 3368 {
3311 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; 3369 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3312 3370
3313 p->w->pending = 0; 3371 p->w->pending = 0;
3314 EV_CB_INVOKE (p->w, p->events); 3372 EV_CB_INVOKE (p->w, p->events);
3315 EV_FREQUENT_CHECK; 3373 EV_FREQUENT_CHECK;
3316 } 3374 }
3317 } 3375 }
3376 while (pendingpri);
3318} 3377}
3319 3378
3320#if EV_IDLE_ENABLE 3379#if EV_IDLE_ENABLE
3321/* make idle watchers pending. this handles the "call-idle */ 3380/* make idle watchers pending. this handles the "call-idle */
3322/* only when higher priorities are idle" logic */ 3381/* only when higher priorities are idle" logic */
… …
3731 3790
3732 return activecnt; 3791 return activecnt;
3733} 3792}
3734 3793
3735void 3794void
3736ev_break (EV_P_ int how) EV_THROW 3795ev_break (EV_P_ int how) EV_NOEXCEPT
3737{ 3796{
3738 loop_done = how; 3797 loop_done = how;
3739} 3798}
3740 3799
3741void 3800void
3742ev_ref (EV_P) EV_THROW 3801ev_ref (EV_P) EV_NOEXCEPT
3743{ 3802{
3744 ++activecnt; 3803 ++activecnt;
3745} 3804}
3746 3805
3747void 3806void
3748ev_unref (EV_P) EV_THROW 3807ev_unref (EV_P) EV_NOEXCEPT
3749{ 3808{
3750 --activecnt; 3809 --activecnt;
3751} 3810}
3752 3811
3753void 3812void
3754ev_now_update (EV_P) EV_THROW 3813ev_now_update (EV_P) EV_NOEXCEPT
3755{ 3814{
3756 time_update (EV_A_ 1e100); 3815 time_update (EV_A_ 1e100);
3757} 3816}
3758 3817
3759void 3818void
3760ev_suspend (EV_P) EV_THROW 3819ev_suspend (EV_P) EV_NOEXCEPT
3761{ 3820{
3762 ev_now_update (EV_A); 3821 ev_now_update (EV_A);
3763} 3822}
3764 3823
3765void 3824void
3766ev_resume (EV_P) EV_THROW 3825ev_resume (EV_P) EV_NOEXCEPT
3767{ 3826{
3768 ev_tstamp mn_prev = mn_now; 3827 ev_tstamp mn_prev = mn_now;
3769 3828
3770 ev_now_update (EV_A); 3829 ev_now_update (EV_A);
3771 timers_reschedule (EV_A_ mn_now - mn_prev); 3830 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3810 w->pending = 0; 3869 w->pending = 0;
3811 } 3870 }
3812} 3871}
3813 3872
3814int 3873int
3815ev_clear_pending (EV_P_ void *w) EV_THROW 3874ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3816{ 3875{
3817 W w_ = (W)w; 3876 W w_ = (W)w;
3818 int pending = w_->pending; 3877 int pending = w_->pending;
3819 3878
3820 if (expect_true (pending)) 3879 if (expect_true (pending))
… …
3854 3913
3855/*****************************************************************************/ 3914/*****************************************************************************/
3856 3915
3857noinline 3916noinline
3858void 3917void
3859ev_io_start (EV_P_ ev_io *w) EV_THROW 3918ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3860{ 3919{
3861 int fd = w->fd; 3920 int fd = w->fd;
3862 3921
3863 if (expect_false (ev_is_active (w))) 3922 if (expect_false (ev_is_active (w)))
3864 return; 3923 return;
… …
3867 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))));
3868 3927
3869 EV_FREQUENT_CHECK; 3928 EV_FREQUENT_CHECK;
3870 3929
3871 ev_start (EV_A_ (W)w, 1); 3930 ev_start (EV_A_ (W)w, 1);
3872 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3931 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3873 wlist_add (&anfds[fd].head, (WL)w); 3932 wlist_add (&anfds[fd].head, (WL)w);
3874 3933
3875 /* common bug, apparently */ 3934 /* common bug, apparently */
3876 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); 3935 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3877 3936
… …
3881 EV_FREQUENT_CHECK; 3940 EV_FREQUENT_CHECK;
3882} 3941}
3883 3942
3884noinline 3943noinline
3885void 3944void
3886ev_io_stop (EV_P_ ev_io *w) EV_THROW 3945ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3887{ 3946{
3888 clear_pending (EV_A_ (W)w); 3947 clear_pending (EV_A_ (W)w);
3889 if (expect_false (!ev_is_active (w))) 3948 if (expect_false (!ev_is_active (w)))
3890 return; 3949 return;
3891 3950
… …
3901 EV_FREQUENT_CHECK; 3960 EV_FREQUENT_CHECK;
3902} 3961}
3903 3962
3904noinline 3963noinline
3905void 3964void
3906ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3965ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3907{ 3966{
3908 if (expect_false (ev_is_active (w))) 3967 if (expect_false (ev_is_active (w)))
3909 return; 3968 return;
3910 3969
3911 ev_at (w) += mn_now; 3970 ev_at (w) += mn_now;
… …
3914 3973
3915 EV_FREQUENT_CHECK; 3974 EV_FREQUENT_CHECK;
3916 3975
3917 ++timercnt; 3976 ++timercnt;
3918 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 3977 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3919 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 3978 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3920 ANHE_w (timers [ev_active (w)]) = (WT)w; 3979 ANHE_w (timers [ev_active (w)]) = (WT)w;
3921 ANHE_at_cache (timers [ev_active (w)]); 3980 ANHE_at_cache (timers [ev_active (w)]);
3922 upheap (timers, ev_active (w)); 3981 upheap (timers, ev_active (w));
3923 3982
3924 EV_FREQUENT_CHECK; 3983 EV_FREQUENT_CHECK;
… …
3926 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3985 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3927} 3986}
3928 3987
3929noinline 3988noinline
3930void 3989void
3931ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3990ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3932{ 3991{
3933 clear_pending (EV_A_ (W)w); 3992 clear_pending (EV_A_ (W)w);
3934 if (expect_false (!ev_is_active (w))) 3993 if (expect_false (!ev_is_active (w)))
3935 return; 3994 return;
3936 3995
… …
3957 EV_FREQUENT_CHECK; 4016 EV_FREQUENT_CHECK;
3958} 4017}
3959 4018
3960noinline 4019noinline
3961void 4020void
3962ev_timer_again (EV_P_ ev_timer *w) EV_THROW 4021ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3963{ 4022{
3964 EV_FREQUENT_CHECK; 4023 EV_FREQUENT_CHECK;
3965 4024
3966 clear_pending (EV_A_ (W)w); 4025 clear_pending (EV_A_ (W)w);
3967 4026
… …
3984 4043
3985 EV_FREQUENT_CHECK; 4044 EV_FREQUENT_CHECK;
3986} 4045}
3987 4046
3988ev_tstamp 4047ev_tstamp
3989ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW 4048ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3990{ 4049{
3991 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4050 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3992} 4051}
3993 4052
3994#if EV_PERIODIC_ENABLE 4053#if EV_PERIODIC_ENABLE
3995noinline 4054noinline
3996void 4055void
3997ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 4056ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3998{ 4057{
3999 if (expect_false (ev_is_active (w))) 4058 if (expect_false (ev_is_active (w)))
4000 return; 4059 return;
4001 4060
4002 if (w->reschedule_cb) 4061 if (w->reschedule_cb)
… …
4011 4070
4012 EV_FREQUENT_CHECK; 4071 EV_FREQUENT_CHECK;
4013 4072
4014 ++periodiccnt; 4073 ++periodiccnt;
4015 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); 4074 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
4016 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 4075 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
4017 ANHE_w (periodics [ev_active (w)]) = (WT)w; 4076 ANHE_w (periodics [ev_active (w)]) = (WT)w;
4018 ANHE_at_cache (periodics [ev_active (w)]); 4077 ANHE_at_cache (periodics [ev_active (w)]);
4019 upheap (periodics, ev_active (w)); 4078 upheap (periodics, ev_active (w));
4020 4079
4021 EV_FREQUENT_CHECK; 4080 EV_FREQUENT_CHECK;
… …
4023 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4082 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4024} 4083}
4025 4084
4026noinline 4085noinline
4027void 4086void
4028ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4087ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4029{ 4088{
4030 clear_pending (EV_A_ (W)w); 4089 clear_pending (EV_A_ (W)w);
4031 if (expect_false (!ev_is_active (w))) 4090 if (expect_false (!ev_is_active (w)))
4032 return; 4091 return;
4033 4092
… …
4052 EV_FREQUENT_CHECK; 4111 EV_FREQUENT_CHECK;
4053} 4112}
4054 4113
4055noinline 4114noinline
4056void 4115void
4057ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4116ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4058{ 4117{
4059 /* TODO: use adjustheap and recalculation */ 4118 /* TODO: use adjustheap and recalculation */
4060 ev_periodic_stop (EV_A_ w); 4119 ev_periodic_stop (EV_A_ w);
4061 ev_periodic_start (EV_A_ w); 4120 ev_periodic_start (EV_A_ w);
4062} 4121}
… …
4068 4127
4069#if EV_SIGNAL_ENABLE 4128#if EV_SIGNAL_ENABLE
4070 4129
4071noinline 4130noinline
4072void 4131void
4073ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4132ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4074{ 4133{
4075 if (expect_false (ev_is_active (w))) 4134 if (expect_false (ev_is_active (w)))
4076 return; 4135 return;
4077 4136
4078 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4137 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
4151 EV_FREQUENT_CHECK; 4210 EV_FREQUENT_CHECK;
4152} 4211}
4153 4212
4154noinline 4213noinline
4155void 4214void
4156ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4215ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4157{ 4216{
4158 clear_pending (EV_A_ (W)w); 4217 clear_pending (EV_A_ (W)w);
4159 if (expect_false (!ev_is_active (w))) 4218 if (expect_false (!ev_is_active (w)))
4160 return; 4219 return;
4161 4220
… …
4192#endif 4251#endif
4193 4252
4194#if EV_CHILD_ENABLE 4253#if EV_CHILD_ENABLE
4195 4254
4196void 4255void
4197ev_child_start (EV_P_ ev_child *w) EV_THROW 4256ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4198{ 4257{
4199#if EV_MULTIPLICITY 4258#if EV_MULTIPLICITY
4200 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4259 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4201#endif 4260#endif
4202 if (expect_false (ev_is_active (w))) 4261 if (expect_false (ev_is_active (w)))
… …
4209 4268
4210 EV_FREQUENT_CHECK; 4269 EV_FREQUENT_CHECK;
4211} 4270}
4212 4271
4213void 4272void
4214ev_child_stop (EV_P_ ev_child *w) EV_THROW 4273ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4215{ 4274{
4216 clear_pending (EV_A_ (W)w); 4275 clear_pending (EV_A_ (W)w);
4217 if (expect_false (!ev_is_active (w))) 4276 if (expect_false (!ev_is_active (w)))
4218 return; 4277 return;
4219 4278
… …
4484#else 4543#else
4485# define EV_LSTAT(p,b) lstat (p, b) 4544# define EV_LSTAT(p,b) lstat (p, b)
4486#endif 4545#endif
4487 4546
4488void 4547void
4489ev_stat_stat (EV_P_ ev_stat *w) EV_THROW 4548ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4490{ 4549{
4491 if (lstat (w->path, &w->attr) < 0) 4550 if (lstat (w->path, &w->attr) < 0)
4492 w->attr.st_nlink = 0; 4551 w->attr.st_nlink = 0;
4493 else if (!w->attr.st_nlink) 4552 else if (!w->attr.st_nlink)
4494 w->attr.st_nlink = 1; 4553 w->attr.st_nlink = 1;
… …
4534 ev_feed_event (EV_A_ w, EV_STAT); 4593 ev_feed_event (EV_A_ w, EV_STAT);
4535 } 4594 }
4536} 4595}
4537 4596
4538void 4597void
4539ev_stat_start (EV_P_ ev_stat *w) EV_THROW 4598ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4540{ 4599{
4541 if (expect_false (ev_is_active (w))) 4600 if (expect_false (ev_is_active (w)))
4542 return; 4601 return;
4543 4602
4544 ev_stat_stat (EV_A_ w); 4603 ev_stat_stat (EV_A_ w);
… …
4565 4624
4566 EV_FREQUENT_CHECK; 4625 EV_FREQUENT_CHECK;
4567} 4626}
4568 4627
4569void 4628void
4570ev_stat_stop (EV_P_ ev_stat *w) EV_THROW 4629ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4571{ 4630{
4572 clear_pending (EV_A_ (W)w); 4631 clear_pending (EV_A_ (W)w);
4573 if (expect_false (!ev_is_active (w))) 4632 if (expect_false (!ev_is_active (w)))
4574 return; 4633 return;
4575 4634
… …
4591} 4650}
4592#endif 4651#endif
4593 4652
4594#if EV_IDLE_ENABLE 4653#if EV_IDLE_ENABLE
4595void 4654void
4596ev_idle_start (EV_P_ ev_idle *w) EV_THROW 4655ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4597{ 4656{
4598 if (expect_false (ev_is_active (w))) 4657 if (expect_false (ev_is_active (w)))
4599 return; 4658 return;
4600 4659
4601 pri_adjust (EV_A_ (W)w); 4660 pri_adjust (EV_A_ (W)w);
… …
4606 int active = ++idlecnt [ABSPRI (w)]; 4665 int active = ++idlecnt [ABSPRI (w)];
4607 4666
4608 ++idleall; 4667 ++idleall;
4609 ev_start (EV_A_ (W)w, active); 4668 ev_start (EV_A_ (W)w, active);
4610 4669
4611 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 4670 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4612 idles [ABSPRI (w)][active - 1] = w; 4671 idles [ABSPRI (w)][active - 1] = w;
4613 } 4672 }
4614 4673
4615 EV_FREQUENT_CHECK; 4674 EV_FREQUENT_CHECK;
4616} 4675}
4617 4676
4618void 4677void
4619ev_idle_stop (EV_P_ ev_idle *w) EV_THROW 4678ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4620{ 4679{
4621 clear_pending (EV_A_ (W)w); 4680 clear_pending (EV_A_ (W)w);
4622 if (expect_false (!ev_is_active (w))) 4681 if (expect_false (!ev_is_active (w)))
4623 return; 4682 return;
4624 4683
… …
4638} 4697}
4639#endif 4698#endif
4640 4699
4641#if EV_PREPARE_ENABLE 4700#if EV_PREPARE_ENABLE
4642void 4701void
4643ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW 4702ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4644{ 4703{
4645 if (expect_false (ev_is_active (w))) 4704 if (expect_false (ev_is_active (w)))
4646 return; 4705 return;
4647 4706
4648 EV_FREQUENT_CHECK; 4707 EV_FREQUENT_CHECK;
4649 4708
4650 ev_start (EV_A_ (W)w, ++preparecnt); 4709 ev_start (EV_A_ (W)w, ++preparecnt);
4651 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 4710 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4652 prepares [preparecnt - 1] = w; 4711 prepares [preparecnt - 1] = w;
4653 4712
4654 EV_FREQUENT_CHECK; 4713 EV_FREQUENT_CHECK;
4655} 4714}
4656 4715
4657void 4716void
4658ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW 4717ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4659{ 4718{
4660 clear_pending (EV_A_ (W)w); 4719 clear_pending (EV_A_ (W)w);
4661 if (expect_false (!ev_is_active (w))) 4720 if (expect_false (!ev_is_active (w)))
4662 return; 4721 return;
4663 4722
… …
4676} 4735}
4677#endif 4736#endif
4678 4737
4679#if EV_CHECK_ENABLE 4738#if EV_CHECK_ENABLE
4680void 4739void
4681ev_check_start (EV_P_ ev_check *w) EV_THROW 4740ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4682{ 4741{
4683 if (expect_false (ev_is_active (w))) 4742 if (expect_false (ev_is_active (w)))
4684 return; 4743 return;
4685 4744
4686 EV_FREQUENT_CHECK; 4745 EV_FREQUENT_CHECK;
4687 4746
4688 ev_start (EV_A_ (W)w, ++checkcnt); 4747 ev_start (EV_A_ (W)w, ++checkcnt);
4689 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 4748 array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4690 checks [checkcnt - 1] = w; 4749 checks [checkcnt - 1] = w;
4691 4750
4692 EV_FREQUENT_CHECK; 4751 EV_FREQUENT_CHECK;
4693} 4752}
4694 4753
4695void 4754void
4696ev_check_stop (EV_P_ ev_check *w) EV_THROW 4755ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4697{ 4756{
4698 clear_pending (EV_A_ (W)w); 4757 clear_pending (EV_A_ (W)w);
4699 if (expect_false (!ev_is_active (w))) 4758 if (expect_false (!ev_is_active (w)))
4700 return; 4759 return;
4701 4760
… …
4715#endif 4774#endif
4716 4775
4717#if EV_EMBED_ENABLE 4776#if EV_EMBED_ENABLE
4718noinline 4777noinline
4719void 4778void
4720ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4779ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4721{ 4780{
4722 ev_run (w->other, EVRUN_NOWAIT); 4781 ev_run (w->other, EVRUN_NOWAIT);
4723} 4782}
4724 4783
4725static void 4784static void
… …
4773 ev_idle_stop (EV_A_ idle); 4832 ev_idle_stop (EV_A_ idle);
4774} 4833}
4775#endif 4834#endif
4776 4835
4777void 4836void
4778ev_embed_start (EV_P_ ev_embed *w) EV_THROW 4837ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4779{ 4838{
4780 if (expect_false (ev_is_active (w))) 4839 if (expect_false (ev_is_active (w)))
4781 return; 4840 return;
4782 4841
4783 { 4842 {
… …
4804 4863
4805 EV_FREQUENT_CHECK; 4864 EV_FREQUENT_CHECK;
4806} 4865}
4807 4866
4808void 4867void
4809ev_embed_stop (EV_P_ ev_embed *w) EV_THROW 4868ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4810{ 4869{
4811 clear_pending (EV_A_ (W)w); 4870 clear_pending (EV_A_ (W)w);
4812 if (expect_false (!ev_is_active (w))) 4871 if (expect_false (!ev_is_active (w)))
4813 return; 4872 return;
4814 4873
… …
4824} 4883}
4825#endif 4884#endif
4826 4885
4827#if EV_FORK_ENABLE 4886#if EV_FORK_ENABLE
4828void 4887void
4829ev_fork_start (EV_P_ ev_fork *w) EV_THROW 4888ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4830{ 4889{
4831 if (expect_false (ev_is_active (w))) 4890 if (expect_false (ev_is_active (w)))
4832 return; 4891 return;
4833 4892
4834 EV_FREQUENT_CHECK; 4893 EV_FREQUENT_CHECK;
4835 4894
4836 ev_start (EV_A_ (W)w, ++forkcnt); 4895 ev_start (EV_A_ (W)w, ++forkcnt);
4837 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 4896 array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4838 forks [forkcnt - 1] = w; 4897 forks [forkcnt - 1] = w;
4839 4898
4840 EV_FREQUENT_CHECK; 4899 EV_FREQUENT_CHECK;
4841} 4900}
4842 4901
4843void 4902void
4844ev_fork_stop (EV_P_ ev_fork *w) EV_THROW 4903ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4845{ 4904{
4846 clear_pending (EV_A_ (W)w); 4905 clear_pending (EV_A_ (W)w);
4847 if (expect_false (!ev_is_active (w))) 4906 if (expect_false (!ev_is_active (w)))
4848 return; 4907 return;
4849 4908
… …
4862} 4921}
4863#endif 4922#endif
4864 4923
4865#if EV_CLEANUP_ENABLE 4924#if EV_CLEANUP_ENABLE
4866void 4925void
4867ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW 4926ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4868{ 4927{
4869 if (expect_false (ev_is_active (w))) 4928 if (expect_false (ev_is_active (w)))
4870 return; 4929 return;
4871 4930
4872 EV_FREQUENT_CHECK; 4931 EV_FREQUENT_CHECK;
4873 4932
4874 ev_start (EV_A_ (W)w, ++cleanupcnt); 4933 ev_start (EV_A_ (W)w, ++cleanupcnt);
4875 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 4934 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4876 cleanups [cleanupcnt - 1] = w; 4935 cleanups [cleanupcnt - 1] = w;
4877 4936
4878 /* cleanup watchers should never keep a refcount on the loop */ 4937 /* cleanup watchers should never keep a refcount on the loop */
4879 ev_unref (EV_A); 4938 ev_unref (EV_A);
4880 EV_FREQUENT_CHECK; 4939 EV_FREQUENT_CHECK;
4881} 4940}
4882 4941
4883void 4942void
4884ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW 4943ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4885{ 4944{
4886 clear_pending (EV_A_ (W)w); 4945 clear_pending (EV_A_ (W)w);
4887 if (expect_false (!ev_is_active (w))) 4946 if (expect_false (!ev_is_active (w)))
4888 return; 4947 return;
4889 4948
… …
4903} 4962}
4904#endif 4963#endif
4905 4964
4906#if EV_ASYNC_ENABLE 4965#if EV_ASYNC_ENABLE
4907void 4966void
4908ev_async_start (EV_P_ ev_async *w) EV_THROW 4967ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4909{ 4968{
4910 if (expect_false (ev_is_active (w))) 4969 if (expect_false (ev_is_active (w)))
4911 return; 4970 return;
4912 4971
4913 w->sent = 0; 4972 w->sent = 0;
… …
4915 evpipe_init (EV_A); 4974 evpipe_init (EV_A);
4916 4975
4917 EV_FREQUENT_CHECK; 4976 EV_FREQUENT_CHECK;
4918 4977
4919 ev_start (EV_A_ (W)w, ++asynccnt); 4978 ev_start (EV_A_ (W)w, ++asynccnt);
4920 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 4979 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4921 asyncs [asynccnt - 1] = w; 4980 asyncs [asynccnt - 1] = w;
4922 4981
4923 EV_FREQUENT_CHECK; 4982 EV_FREQUENT_CHECK;
4924} 4983}
4925 4984
4926void 4985void
4927ev_async_stop (EV_P_ ev_async *w) EV_THROW 4986ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4928{ 4987{
4929 clear_pending (EV_A_ (W)w); 4988 clear_pending (EV_A_ (W)w);
4930 if (expect_false (!ev_is_active (w))) 4989 if (expect_false (!ev_is_active (w)))
4931 return; 4990 return;
4932 4991
… …
4943 5002
4944 EV_FREQUENT_CHECK; 5003 EV_FREQUENT_CHECK;
4945} 5004}
4946 5005
4947void 5006void
4948ev_async_send (EV_P_ ev_async *w) EV_THROW 5007ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4949{ 5008{
4950 w->sent = 1; 5009 w->sent = 1;
4951 evpipe_write (EV_A_ &async_pending); 5010 evpipe_write (EV_A_ &async_pending);
4952} 5011}
4953#endif 5012#endif
… …
4990 5049
4991 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 5050 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4992} 5051}
4993 5052
4994void 5053void
4995ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW 5054ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4996{ 5055{
4997 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 5056 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4998
4999 if (expect_false (!once))
5000 {
5001 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
5002 return;
5003 }
5004 5057
5005 once->cb = cb; 5058 once->cb = cb;
5006 once->arg = arg; 5059 once->arg = arg;
5007 5060
5008 ev_init (&once->io, once_cb_io); 5061 ev_init (&once->io, once_cb_io);
… …
5023/*****************************************************************************/ 5076/*****************************************************************************/
5024 5077
5025#if EV_WALK_ENABLE 5078#if EV_WALK_ENABLE
5026ecb_cold 5079ecb_cold
5027void 5080void
5028ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW 5081ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
5029{ 5082{
5030 int i, j; 5083 int i, j;
5031 ev_watcher_list *wl, *wn; 5084 ev_watcher_list *wl, *wn;
5032 5085
5033 if (types & (EV_IO | EV_EMBED)) 5086 if (types & (EV_IO | EV_EMBED))

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