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Comparing libev/ev.c (file contents):
Revision 1.482 by root, Sat Jul 28 04:15:15 2018 UTC vs.
Revision 1.491 by root, Thu Jun 20 23:14:53 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# define EV_USE_LINUXAIO 0
331#endif
332
318#ifndef EV_USE_INOTIFY 333#ifndef EV_USE_INOTIFY
319# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 334# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
320# define EV_USE_INOTIFY EV_FEATURE_OS 335# define EV_USE_INOTIFY EV_FEATURE_OS
321# else 336# else
322# define EV_USE_INOTIFY 0 337# define EV_USE_INOTIFY 0
… …
377/* aix's poll.h seems to cause lots of trouble */ 392/* aix's poll.h seems to cause lots of trouble */
378#ifdef _AIX 393#ifdef _AIX
379/* AIX has a completely broken poll.h header */ 394/* AIX has a completely broken poll.h header */
380# undef EV_USE_POLL 395# undef EV_USE_POLL
381# define EV_USE_POLL 0 396# define EV_USE_POLL 0
397#endif
398
399#if EV_USE_LINUXAIO
400# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
382#endif 401#endif
383 402
384/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 403/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
385/* which makes programs even slower. might work on other unices, too. */ 404/* which makes programs even slower. might work on other unices, too. */
386#if EV_USE_CLOCK_SYSCALL 405#if 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
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>
… …
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 }
… …
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
658 #if __i386 || __i386__ 688 #if __i386 || __i386__
659 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 689 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
660 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 690 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
661 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 691 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
662 #elif ECB_GCC_AMD64 692 #elif ECB_GCC_AMD64
663 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 693 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
664 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 694 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
665 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 695 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
666 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 696 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
667 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 697 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
668 #elif defined __ARM_ARCH_2__ \ 698 #elif defined __ARM_ARCH_2__ \
669 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ 699 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
670 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ 700 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
… …
1538# define ABSPRI(w) (((W)w), 0) 1568# define ABSPRI(w) (((W)w), 0)
1539#else 1569#else
1540# define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 1570# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1541#endif 1571#endif
1542 1572
1543#define EMPTY /* required for microsofts broken pseudo-c compiler */ 1573#define EMPTY /* required for microsofts broken pseudo-c compiler */
1544#define EMPTY2(a,b) /* used to suppress some warnings */
1545 1574
1546typedef ev_watcher *W; 1575typedef ev_watcher *W;
1547typedef ev_watcher_list *WL; 1576typedef ev_watcher_list *WL;
1548typedef ev_watcher_time *WT; 1577typedef ev_watcher_time *WT;
1549 1578
… …
1675{ 1704{
1676 write (STDERR_FILENO, msg, strlen (msg)); 1705 write (STDERR_FILENO, msg, strlen (msg));
1677} 1706}
1678#endif 1707#endif
1679 1708
1680static void (*syserr_cb)(const char *msg) EV_THROW; 1709static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1681 1710
1682ecb_cold 1711ecb_cold
1683void 1712void
1684ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW 1713ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1685{ 1714{
1686 syserr_cb = cb; 1715 syserr_cb = cb;
1687} 1716}
1688 1717
1689noinline ecb_cold 1718noinline ecb_cold
… …
1708 abort (); 1737 abort ();
1709 } 1738 }
1710} 1739}
1711 1740
1712static void * 1741static void *
1713ev_realloc_emul (void *ptr, long size) EV_THROW 1742ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1714{ 1743{
1715 /* some systems, notably openbsd and darwin, fail to properly 1744 /* some systems, notably openbsd and darwin, fail to properly
1716 * implement realloc (x, 0) (as required by both ansi c-89 and 1745 * implement realloc (x, 0) (as required by both ansi c-89 and
1717 * the single unix specification, so work around them here. 1746 * the single unix specification, so work around them here.
1718 * recently, also (at least) fedora and debian started breaking it, 1747 * recently, also (at least) fedora and debian started breaking it,
… …
1724 1753
1725 free (ptr); 1754 free (ptr);
1726 return 0; 1755 return 0;
1727} 1756}
1728 1757
1729static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; 1758static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1730 1759
1731ecb_cold 1760ecb_cold
1732void 1761void
1733ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW 1762ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1734{ 1763{
1735 alloc = cb; 1764 alloc = cb;
1736} 1765}
1737 1766
1738inline_speed void * 1767inline_speed void *
… …
1765typedef struct 1794typedef struct
1766{ 1795{
1767 WL head; 1796 WL head;
1768 unsigned char events; /* the events watched for */ 1797 unsigned char events; /* the events watched for */
1769 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 1798 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 */ 1799 unsigned char emask; /* some backends store the actual kernel mask in here */
1771 unsigned char unused; 1800 unsigned char unused;
1772#if EV_USE_EPOLL 1801#if EV_USE_EPOLL
1773 unsigned int egen; /* generation counter to counter epoll bugs */ 1802 unsigned int egen; /* generation counter to counter epoll bugs */
1774#endif 1803#endif
1775#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1804#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
… …
1855 1884
1856/*****************************************************************************/ 1885/*****************************************************************************/
1857 1886
1858#ifndef EV_HAVE_EV_TIME 1887#ifndef EV_HAVE_EV_TIME
1859ev_tstamp 1888ev_tstamp
1860ev_time (void) EV_THROW 1889ev_time (void) EV_NOEXCEPT
1861{ 1890{
1862#if EV_USE_REALTIME 1891#if EV_USE_REALTIME
1863 if (expect_true (have_realtime)) 1892 if (expect_true (have_realtime))
1864 { 1893 {
1865 struct timespec ts; 1894 struct timespec ts;
… …
1889 return ev_time (); 1918 return ev_time ();
1890} 1919}
1891 1920
1892#if EV_MULTIPLICITY 1921#if EV_MULTIPLICITY
1893ev_tstamp 1922ev_tstamp
1894ev_now (EV_P) EV_THROW 1923ev_now (EV_P) EV_NOEXCEPT
1895{ 1924{
1896 return ev_rt_now; 1925 return ev_rt_now;
1897} 1926}
1898#endif 1927#endif
1899 1928
1900void 1929void
1901ev_sleep (ev_tstamp delay) EV_THROW 1930ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1902{ 1931{
1903 if (delay > 0.) 1932 if (delay > 0.)
1904 { 1933 {
1905#if EV_USE_NANOSLEEP 1934#if EV_USE_NANOSLEEP
1906 struct timespec ts; 1935 struct timespec ts;
… …
1956{ 1985{
1957 *cur = array_nextsize (elem, *cur, cnt); 1986 *cur = array_nextsize (elem, *cur, cnt);
1958 return ev_realloc (base, elem * *cur); 1987 return ev_realloc (base, elem * *cur);
1959} 1988}
1960 1989
1990#define array_needsize_noinit(base,count)
1991
1961#define array_init_zero(base,count) \ 1992#define array_needsize_zerofill(base,count) \
1962 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1993 memset ((void *)(base), 0, sizeof (*(base)) * (count))
1963 1994
1964#define array_needsize(type,base,cur,cnt,init) \ 1995#define array_needsize(type,base,cur,cnt,init) \
1965 if (expect_false ((cnt) > (cur))) \ 1996 if (expect_false ((cnt) > (cur))) \
1966 { \ 1997 { \
… …
1992{ 2023{
1993} 2024}
1994 2025
1995noinline 2026noinline
1996void 2027void
1997ev_feed_event (EV_P_ void *w, int revents) EV_THROW 2028ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1998{ 2029{
1999 W w_ = (W)w; 2030 W w_ = (W)w;
2000 int pri = ABSPRI (w_); 2031 int pri = ABSPRI (w_);
2001 2032
2002 if (expect_false (w_->pending)) 2033 if (expect_false (w_->pending))
2003 pendings [pri][w_->pending - 1].events |= revents; 2034 pendings [pri][w_->pending - 1].events |= revents;
2004 else 2035 else
2005 { 2036 {
2006 w_->pending = ++pendingcnt [pri]; 2037 w_->pending = ++pendingcnt [pri];
2007 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 2038 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
2008 pendings [pri][w_->pending - 1].w = w_; 2039 pendings [pri][w_->pending - 1].w = w_;
2009 pendings [pri][w_->pending - 1].events = revents; 2040 pendings [pri][w_->pending - 1].events = revents;
2010 } 2041 }
2011 2042
2012 pendingpri = NUMPRI - 1; 2043 pendingpri = NUMPRI - 1;
2013} 2044}
2014 2045
2015inline_speed void 2046inline_speed void
2016feed_reverse (EV_P_ W w) 2047feed_reverse (EV_P_ W w)
2017{ 2048{
2018 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); 2049 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
2019 rfeeds [rfeedcnt++] = w; 2050 rfeeds [rfeedcnt++] = w;
2020} 2051}
2021 2052
2022inline_size void 2053inline_size void
2023feed_reverse_done (EV_P_ int revents) 2054feed_reverse_done (EV_P_ int revents)
… …
2063 if (expect_true (!anfd->reify)) 2094 if (expect_true (!anfd->reify))
2064 fd_event_nocheck (EV_A_ fd, revents); 2095 fd_event_nocheck (EV_A_ fd, revents);
2065} 2096}
2066 2097
2067void 2098void
2068ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW 2099ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
2069{ 2100{
2070 if (fd >= 0 && fd < anfdmax) 2101 if (fd >= 0 && fd < anfdmax)
2071 fd_event_nocheck (EV_A_ fd, revents); 2102 fd_event_nocheck (EV_A_ fd, revents);
2072} 2103}
2073 2104
… …
2141 anfds [fd].reify |= flags; 2172 anfds [fd].reify |= flags;
2142 2173
2143 if (expect_true (!reify)) 2174 if (expect_true (!reify))
2144 { 2175 {
2145 ++fdchangecnt; 2176 ++fdchangecnt;
2146 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 2177 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2147 fdchanges [fdchangecnt - 1] = fd; 2178 fdchanges [fdchangecnt - 1] = fd;
2148 } 2179 }
2149} 2180}
2150 2181
2151/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 2182/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
… …
2473#endif 2504#endif
2474 { 2505 {
2475#ifdef _WIN32 2506#ifdef _WIN32
2476 WSABUF buf; 2507 WSABUF buf;
2477 DWORD sent; 2508 DWORD sent;
2478 buf.buf = &buf; 2509 buf.buf = (char *)&buf;
2479 buf.len = 1; 2510 buf.len = 1;
2480 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); 2511 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2481#else 2512#else
2482 write (evpipe [1], &(evpipe [1]), 1); 2513 write (evpipe [1], &(evpipe [1]), 1);
2483#endif 2514#endif
… …
2555} 2586}
2556 2587
2557/*****************************************************************************/ 2588/*****************************************************************************/
2558 2589
2559void 2590void
2560ev_feed_signal (int signum) EV_THROW 2591ev_feed_signal (int signum) EV_NOEXCEPT
2561{ 2592{
2562#if EV_MULTIPLICITY 2593#if EV_MULTIPLICITY
2563 EV_P; 2594 EV_P;
2564 ECB_MEMORY_FENCE_ACQUIRE; 2595 ECB_MEMORY_FENCE_ACQUIRE;
2565 EV_A = signals [signum - 1].loop; 2596 EV_A = signals [signum - 1].loop;
… …
2582 ev_feed_signal (signum); 2613 ev_feed_signal (signum);
2583} 2614}
2584 2615
2585noinline 2616noinline
2586void 2617void
2587ev_feed_signal_event (EV_P_ int signum) EV_THROW 2618ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2588{ 2619{
2589 WL w; 2620 WL w;
2590 2621
2591 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2622 if (expect_false (signum <= 0 || signum >= EV_NSIG))
2592 return; 2623 return;
… …
2698# include "ev_port.c" 2729# include "ev_port.c"
2699#endif 2730#endif
2700#if EV_USE_KQUEUE 2731#if EV_USE_KQUEUE
2701# include "ev_kqueue.c" 2732# include "ev_kqueue.c"
2702#endif 2733#endif
2734#if EV_USE_LINUXAIO
2735# include "ev_linuxaio.c"
2736#endif
2703#if EV_USE_EPOLL 2737#if EV_USE_EPOLL
2704# include "ev_epoll.c" 2738# include "ev_epoll.c"
2705#endif 2739#endif
2706#if EV_USE_POLL 2740#if EV_USE_POLL
2707# include "ev_poll.c" 2741# include "ev_poll.c"
… …
2709#if EV_USE_SELECT 2743#if EV_USE_SELECT
2710# include "ev_select.c" 2744# include "ev_select.c"
2711#endif 2745#endif
2712 2746
2713ecb_cold int 2747ecb_cold int
2714ev_version_major (void) EV_THROW 2748ev_version_major (void) EV_NOEXCEPT
2715{ 2749{
2716 return EV_VERSION_MAJOR; 2750 return EV_VERSION_MAJOR;
2717} 2751}
2718 2752
2719ecb_cold int 2753ecb_cold int
2720ev_version_minor (void) EV_THROW 2754ev_version_minor (void) EV_NOEXCEPT
2721{ 2755{
2722 return EV_VERSION_MINOR; 2756 return EV_VERSION_MINOR;
2723} 2757}
2724 2758
2725/* return true if we are running with elevated privileges and should ignore env variables */ 2759/* return true if we are running with elevated privileges and should ignore env variables */
… …
2734#endif 2768#endif
2735} 2769}
2736 2770
2737ecb_cold 2771ecb_cold
2738unsigned int 2772unsigned int
2739ev_supported_backends (void) EV_THROW 2773ev_supported_backends (void) EV_NOEXCEPT
2740{ 2774{
2741 unsigned int flags = 0; 2775 unsigned int flags = 0;
2742 2776
2743 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2777 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2744 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2778 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2745 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2779 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2780 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2746 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2781 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2747 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2782 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2748 2783
2749 return flags; 2784 return flags;
2750} 2785}
2751 2786
2752ecb_cold 2787ecb_cold
2753unsigned int 2788unsigned int
2754ev_recommended_backends (void) EV_THROW 2789ev_recommended_backends (void) EV_NOEXCEPT
2755{ 2790{
2756 unsigned int flags = ev_supported_backends (); 2791 unsigned int flags = ev_supported_backends ();
2757 2792
2758#ifndef __NetBSD__ 2793#ifndef __NetBSD__
2759 /* kqueue is borked on everything but netbsd apparently */ 2794 /* kqueue is borked on everything but netbsd apparently */
… …
2767#endif 2802#endif
2768#ifdef __FreeBSD__ 2803#ifdef __FreeBSD__
2769 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ 2804 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2770#endif 2805#endif
2771 2806
2807 /* TODO: linuxaio is very experimental */
2808 flags &= ~EVBACKEND_LINUXAIO;
2809
2772 return flags; 2810 return flags;
2773} 2811}
2774 2812
2775ecb_cold 2813ecb_cold
2776unsigned int 2814unsigned int
2777ev_embeddable_backends (void) EV_THROW 2815ev_embeddable_backends (void) EV_NOEXCEPT
2778{ 2816{
2779 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2817 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2780 2818
2781 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2819 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2782 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2820 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2784 2822
2785 return flags; 2823 return flags;
2786} 2824}
2787 2825
2788unsigned int 2826unsigned int
2789ev_backend (EV_P) EV_THROW 2827ev_backend (EV_P) EV_NOEXCEPT
2790{ 2828{
2791 return backend; 2829 return backend;
2792} 2830}
2793 2831
2794#if EV_FEATURE_API 2832#if EV_FEATURE_API
2795unsigned int 2833unsigned int
2796ev_iteration (EV_P) EV_THROW 2834ev_iteration (EV_P) EV_NOEXCEPT
2797{ 2835{
2798 return loop_count; 2836 return loop_count;
2799} 2837}
2800 2838
2801unsigned int 2839unsigned int
2802ev_depth (EV_P) EV_THROW 2840ev_depth (EV_P) EV_NOEXCEPT
2803{ 2841{
2804 return loop_depth; 2842 return loop_depth;
2805} 2843}
2806 2844
2807void 2845void
2808ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2846ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2809{ 2847{
2810 io_blocktime = interval; 2848 io_blocktime = interval;
2811} 2849}
2812 2850
2813void 2851void
2814ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2852ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2815{ 2853{
2816 timeout_blocktime = interval; 2854 timeout_blocktime = interval;
2817} 2855}
2818 2856
2819void 2857void
2820ev_set_userdata (EV_P_ void *data) EV_THROW 2858ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2821{ 2859{
2822 userdata = data; 2860 userdata = data;
2823} 2861}
2824 2862
2825void * 2863void *
2826ev_userdata (EV_P) EV_THROW 2864ev_userdata (EV_P) EV_NOEXCEPT
2827{ 2865{
2828 return userdata; 2866 return userdata;
2829} 2867}
2830 2868
2831void 2869void
2832ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW 2870ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2833{ 2871{
2834 invoke_cb = invoke_pending_cb; 2872 invoke_cb = invoke_pending_cb;
2835} 2873}
2836 2874
2837void 2875void
2838ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW 2876ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2839{ 2877{
2840 release_cb = release; 2878 release_cb = release;
2841 acquire_cb = acquire; 2879 acquire_cb = acquire;
2842} 2880}
2843#endif 2881#endif
2844 2882
2845/* initialise a loop structure, must be zero-initialised */ 2883/* initialise a loop structure, must be zero-initialised */
2846noinline ecb_cold 2884noinline ecb_cold
2847static void 2885static void
2848loop_init (EV_P_ unsigned int flags) EV_THROW 2886loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2849{ 2887{
2850 if (!backend) 2888 if (!backend)
2851 { 2889 {
2852 origflags = flags; 2890 origflags = flags;
2853 2891
… …
2911 2949
2912 if (!(flags & EVBACKEND_MASK)) 2950 if (!(flags & EVBACKEND_MASK))
2913 flags |= ev_recommended_backends (); 2951 flags |= ev_recommended_backends ();
2914 2952
2915#if EV_USE_IOCP 2953#if EV_USE_IOCP
2916 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2954 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2917#endif 2955#endif
2918#if EV_USE_PORT 2956#if EV_USE_PORT
2919 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2957 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2920#endif 2958#endif
2921#if EV_USE_KQUEUE 2959#if EV_USE_KQUEUE
2922 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 2960 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2961#endif
2962#if EV_USE_LINUXAIO
2963 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2923#endif 2964#endif
2924#if EV_USE_EPOLL 2965#if EV_USE_EPOLL
2925 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 2966 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2926#endif 2967#endif
2927#if EV_USE_POLL 2968#if EV_USE_POLL
2928 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); 2969 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2929#endif 2970#endif
2930#if EV_USE_SELECT 2971#if EV_USE_SELECT
2931 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2972 if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2932#endif 2973#endif
2933 2974
2934 ev_prepare_init (&pending_w, pendingcb); 2975 ev_prepare_init (&pending_w, pendingcb);
2935 2976
2936#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2977#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
… …
2991 3032
2992 if (backend_fd >= 0) 3033 if (backend_fd >= 0)
2993 close (backend_fd); 3034 close (backend_fd);
2994 3035
2995#if EV_USE_IOCP 3036#if EV_USE_IOCP
2996 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); 3037 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2997#endif 3038#endif
2998#if EV_USE_PORT 3039#if EV_USE_PORT
2999 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3040 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3000#endif 3041#endif
3001#if EV_USE_KQUEUE 3042#if EV_USE_KQUEUE
3002 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 3043 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3044#endif
3045#if EV_USE_LINUXAIO
3046 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3003#endif 3047#endif
3004#if EV_USE_EPOLL 3048#if EV_USE_EPOLL
3005 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); 3049 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
3006#endif 3050#endif
3007#if EV_USE_POLL 3051#if EV_USE_POLL
3008 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); 3052 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
3009#endif 3053#endif
3010#if EV_USE_SELECT 3054#if EV_USE_SELECT
3011 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 3055 if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
3012#endif 3056#endif
3013 3057
3014 for (i = NUMPRI; i--; ) 3058 for (i = NUMPRI; i--; )
3015 { 3059 {
3016 array_free (pending, [i]); 3060 array_free (pending, [i]);
… …
3058 3102
3059inline_size void 3103inline_size void
3060loop_fork (EV_P) 3104loop_fork (EV_P)
3061{ 3105{
3062#if EV_USE_PORT 3106#if EV_USE_PORT
3063 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3107 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3064#endif 3108#endif
3065#if EV_USE_KQUEUE 3109#if EV_USE_KQUEUE
3066 if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); 3110 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3111#endif
3112#if EV_USE_LINUXAIO
3113 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3067#endif 3114#endif
3068#if EV_USE_EPOLL 3115#if EV_USE_EPOLL
3069 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3116 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
3070#endif 3117#endif
3071#if EV_USE_INOTIFY 3118#if EV_USE_INOTIFY
3072 infy_fork (EV_A); 3119 infy_fork (EV_A);
3073#endif 3120#endif
3074 3121
… …
3094 3141
3095#if EV_MULTIPLICITY 3142#if EV_MULTIPLICITY
3096 3143
3097ecb_cold 3144ecb_cold
3098struct ev_loop * 3145struct ev_loop *
3099ev_loop_new (unsigned int flags) EV_THROW 3146ev_loop_new (unsigned int flags) EV_NOEXCEPT
3100{ 3147{
3101 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3148 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
3102 3149
3103 memset (EV_A, 0, sizeof (struct ev_loop)); 3150 memset (EV_A, 0, sizeof (struct ev_loop));
3104 loop_init (EV_A_ flags); 3151 loop_init (EV_A_ flags);
… …
3151} 3198}
3152#endif 3199#endif
3153 3200
3154#if EV_FEATURE_API 3201#if EV_FEATURE_API
3155void ecb_cold 3202void ecb_cold
3156ev_verify (EV_P) EV_THROW 3203ev_verify (EV_P) EV_NOEXCEPT
3157{ 3204{
3158#if EV_VERIFY 3205#if EV_VERIFY
3159 int i; 3206 int i;
3160 WL w, w2; 3207 WL w, w2;
3161 3208
… …
3242ecb_cold 3289ecb_cold
3243struct ev_loop * 3290struct ev_loop *
3244#else 3291#else
3245int 3292int
3246#endif 3293#endif
3247ev_default_loop (unsigned int flags) EV_THROW 3294ev_default_loop (unsigned int flags) EV_NOEXCEPT
3248{ 3295{
3249 if (!ev_default_loop_ptr) 3296 if (!ev_default_loop_ptr)
3250 { 3297 {
3251#if EV_MULTIPLICITY 3298#if EV_MULTIPLICITY
3252 EV_P = ev_default_loop_ptr = &default_loop_struct; 3299 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
3271 3318
3272 return ev_default_loop_ptr; 3319 return ev_default_loop_ptr;
3273} 3320}
3274 3321
3275void 3322void
3276ev_loop_fork (EV_P) EV_THROW 3323ev_loop_fork (EV_P) EV_NOEXCEPT
3277{ 3324{
3278 postfork = 1; 3325 postfork = 1;
3279} 3326}
3280 3327
3281/*****************************************************************************/ 3328/*****************************************************************************/
… …
3285{ 3332{
3286 EV_CB_INVOKE ((W)w, revents); 3333 EV_CB_INVOKE ((W)w, revents);
3287} 3334}
3288 3335
3289unsigned int 3336unsigned int
3290ev_pending_count (EV_P) EV_THROW 3337ev_pending_count (EV_P) EV_NOEXCEPT
3291{ 3338{
3292 int pri; 3339 int pri;
3293 unsigned int count = 0; 3340 unsigned int count = 0;
3294 3341
3295 for (pri = NUMPRI; pri--; ) 3342 for (pri = NUMPRI; pri--; )
… …
3302void 3349void
3303ev_invoke_pending (EV_P) 3350ev_invoke_pending (EV_P)
3304{ 3351{
3305 pendingpri = NUMPRI; 3352 pendingpri = NUMPRI;
3306 3353
3307 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ 3354 do
3308 { 3355 {
3309 --pendingpri; 3356 --pendingpri;
3310 3357
3358 /* pendingpri possibly gets modified in the inner loop */
3311 while (pendingcnt [pendingpri]) 3359 while (pendingcnt [pendingpri])
3312 { 3360 {
3313 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; 3361 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3314 3362
3315 p->w->pending = 0; 3363 p->w->pending = 0;
3316 EV_CB_INVOKE (p->w, p->events); 3364 EV_CB_INVOKE (p->w, p->events);
3317 EV_FREQUENT_CHECK; 3365 EV_FREQUENT_CHECK;
3318 } 3366 }
3319 } 3367 }
3368 while (pendingpri);
3320} 3369}
3321 3370
3322#if EV_IDLE_ENABLE 3371#if EV_IDLE_ENABLE
3323/* make idle watchers pending. this handles the "call-idle */ 3372/* make idle watchers pending. this handles the "call-idle */
3324/* only when higher priorities are idle" logic */ 3373/* only when higher priorities are idle" logic */
… …
3733 3782
3734 return activecnt; 3783 return activecnt;
3735} 3784}
3736 3785
3737void 3786void
3738ev_break (EV_P_ int how) EV_THROW 3787ev_break (EV_P_ int how) EV_NOEXCEPT
3739{ 3788{
3740 loop_done = how; 3789 loop_done = how;
3741} 3790}
3742 3791
3743void 3792void
3744ev_ref (EV_P) EV_THROW 3793ev_ref (EV_P) EV_NOEXCEPT
3745{ 3794{
3746 ++activecnt; 3795 ++activecnt;
3747} 3796}
3748 3797
3749void 3798void
3750ev_unref (EV_P) EV_THROW 3799ev_unref (EV_P) EV_NOEXCEPT
3751{ 3800{
3752 --activecnt; 3801 --activecnt;
3753} 3802}
3754 3803
3755void 3804void
3756ev_now_update (EV_P) EV_THROW 3805ev_now_update (EV_P) EV_NOEXCEPT
3757{ 3806{
3758 time_update (EV_A_ 1e100); 3807 time_update (EV_A_ 1e100);
3759} 3808}
3760 3809
3761void 3810void
3762ev_suspend (EV_P) EV_THROW 3811ev_suspend (EV_P) EV_NOEXCEPT
3763{ 3812{
3764 ev_now_update (EV_A); 3813 ev_now_update (EV_A);
3765} 3814}
3766 3815
3767void 3816void
3768ev_resume (EV_P) EV_THROW 3817ev_resume (EV_P) EV_NOEXCEPT
3769{ 3818{
3770 ev_tstamp mn_prev = mn_now; 3819 ev_tstamp mn_prev = mn_now;
3771 3820
3772 ev_now_update (EV_A); 3821 ev_now_update (EV_A);
3773 timers_reschedule (EV_A_ mn_now - mn_prev); 3822 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3812 w->pending = 0; 3861 w->pending = 0;
3813 } 3862 }
3814} 3863}
3815 3864
3816int 3865int
3817ev_clear_pending (EV_P_ void *w) EV_THROW 3866ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3818{ 3867{
3819 W w_ = (W)w; 3868 W w_ = (W)w;
3820 int pending = w_->pending; 3869 int pending = w_->pending;
3821 3870
3822 if (expect_true (pending)) 3871 if (expect_true (pending))
… …
3856 3905
3857/*****************************************************************************/ 3906/*****************************************************************************/
3858 3907
3859noinline 3908noinline
3860void 3909void
3861ev_io_start (EV_P_ ev_io *w) EV_THROW 3910ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3862{ 3911{
3863 int fd = w->fd; 3912 int fd = w->fd;
3864 3913
3865 if (expect_false (ev_is_active (w))) 3914 if (expect_false (ev_is_active (w)))
3866 return; 3915 return;
… …
3869 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 3918 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3870 3919
3871 EV_FREQUENT_CHECK; 3920 EV_FREQUENT_CHECK;
3872 3921
3873 ev_start (EV_A_ (W)w, 1); 3922 ev_start (EV_A_ (W)w, 1);
3874 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3923 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3875 wlist_add (&anfds[fd].head, (WL)w); 3924 wlist_add (&anfds[fd].head, (WL)w);
3876 3925
3877 /* common bug, apparently */ 3926 /* common bug, apparently */
3878 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); 3927 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3879 3928
… …
3883 EV_FREQUENT_CHECK; 3932 EV_FREQUENT_CHECK;
3884} 3933}
3885 3934
3886noinline 3935noinline
3887void 3936void
3888ev_io_stop (EV_P_ ev_io *w) EV_THROW 3937ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3889{ 3938{
3890 clear_pending (EV_A_ (W)w); 3939 clear_pending (EV_A_ (W)w);
3891 if (expect_false (!ev_is_active (w))) 3940 if (expect_false (!ev_is_active (w)))
3892 return; 3941 return;
3893 3942
… …
3903 EV_FREQUENT_CHECK; 3952 EV_FREQUENT_CHECK;
3904} 3953}
3905 3954
3906noinline 3955noinline
3907void 3956void
3908ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3957ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3909{ 3958{
3910 if (expect_false (ev_is_active (w))) 3959 if (expect_false (ev_is_active (w)))
3911 return; 3960 return;
3912 3961
3913 ev_at (w) += mn_now; 3962 ev_at (w) += mn_now;
… …
3916 3965
3917 EV_FREQUENT_CHECK; 3966 EV_FREQUENT_CHECK;
3918 3967
3919 ++timercnt; 3968 ++timercnt;
3920 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 3969 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3921 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 3970 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3922 ANHE_w (timers [ev_active (w)]) = (WT)w; 3971 ANHE_w (timers [ev_active (w)]) = (WT)w;
3923 ANHE_at_cache (timers [ev_active (w)]); 3972 ANHE_at_cache (timers [ev_active (w)]);
3924 upheap (timers, ev_active (w)); 3973 upheap (timers, ev_active (w));
3925 3974
3926 EV_FREQUENT_CHECK; 3975 EV_FREQUENT_CHECK;
… …
3928 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3977 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3929} 3978}
3930 3979
3931noinline 3980noinline
3932void 3981void
3933ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3982ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3934{ 3983{
3935 clear_pending (EV_A_ (W)w); 3984 clear_pending (EV_A_ (W)w);
3936 if (expect_false (!ev_is_active (w))) 3985 if (expect_false (!ev_is_active (w)))
3937 return; 3986 return;
3938 3987
… …
3959 EV_FREQUENT_CHECK; 4008 EV_FREQUENT_CHECK;
3960} 4009}
3961 4010
3962noinline 4011noinline
3963void 4012void
3964ev_timer_again (EV_P_ ev_timer *w) EV_THROW 4013ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3965{ 4014{
3966 EV_FREQUENT_CHECK; 4015 EV_FREQUENT_CHECK;
3967 4016
3968 clear_pending (EV_A_ (W)w); 4017 clear_pending (EV_A_ (W)w);
3969 4018
… …
3986 4035
3987 EV_FREQUENT_CHECK; 4036 EV_FREQUENT_CHECK;
3988} 4037}
3989 4038
3990ev_tstamp 4039ev_tstamp
3991ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW 4040ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3992{ 4041{
3993 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4042 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3994} 4043}
3995 4044
3996#if EV_PERIODIC_ENABLE 4045#if EV_PERIODIC_ENABLE
3997noinline 4046noinline
3998void 4047void
3999ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 4048ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4000{ 4049{
4001 if (expect_false (ev_is_active (w))) 4050 if (expect_false (ev_is_active (w)))
4002 return; 4051 return;
4003 4052
4004 if (w->reschedule_cb) 4053 if (w->reschedule_cb)
… …
4013 4062
4014 EV_FREQUENT_CHECK; 4063 EV_FREQUENT_CHECK;
4015 4064
4016 ++periodiccnt; 4065 ++periodiccnt;
4017 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); 4066 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
4018 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 4067 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
4019 ANHE_w (periodics [ev_active (w)]) = (WT)w; 4068 ANHE_w (periodics [ev_active (w)]) = (WT)w;
4020 ANHE_at_cache (periodics [ev_active (w)]); 4069 ANHE_at_cache (periodics [ev_active (w)]);
4021 upheap (periodics, ev_active (w)); 4070 upheap (periodics, ev_active (w));
4022 4071
4023 EV_FREQUENT_CHECK; 4072 EV_FREQUENT_CHECK;
… …
4025 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4074 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4026} 4075}
4027 4076
4028noinline 4077noinline
4029void 4078void
4030ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4079ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4031{ 4080{
4032 clear_pending (EV_A_ (W)w); 4081 clear_pending (EV_A_ (W)w);
4033 if (expect_false (!ev_is_active (w))) 4082 if (expect_false (!ev_is_active (w)))
4034 return; 4083 return;
4035 4084
… …
4054 EV_FREQUENT_CHECK; 4103 EV_FREQUENT_CHECK;
4055} 4104}
4056 4105
4057noinline 4106noinline
4058void 4107void
4059ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4108ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4060{ 4109{
4061 /* TODO: use adjustheap and recalculation */ 4110 /* TODO: use adjustheap and recalculation */
4062 ev_periodic_stop (EV_A_ w); 4111 ev_periodic_stop (EV_A_ w);
4063 ev_periodic_start (EV_A_ w); 4112 ev_periodic_start (EV_A_ w);
4064} 4113}
… …
4070 4119
4071#if EV_SIGNAL_ENABLE 4120#if EV_SIGNAL_ENABLE
4072 4121
4073noinline 4122noinline
4074void 4123void
4075ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4124ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4076{ 4125{
4077 if (expect_false (ev_is_active (w))) 4126 if (expect_false (ev_is_active (w)))
4078 return; 4127 return;
4079 4128
4080 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4129 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
4153 EV_FREQUENT_CHECK; 4202 EV_FREQUENT_CHECK;
4154} 4203}
4155 4204
4156noinline 4205noinline
4157void 4206void
4158ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4207ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4159{ 4208{
4160 clear_pending (EV_A_ (W)w); 4209 clear_pending (EV_A_ (W)w);
4161 if (expect_false (!ev_is_active (w))) 4210 if (expect_false (!ev_is_active (w)))
4162 return; 4211 return;
4163 4212
… …
4194#endif 4243#endif
4195 4244
4196#if EV_CHILD_ENABLE 4245#if EV_CHILD_ENABLE
4197 4246
4198void 4247void
4199ev_child_start (EV_P_ ev_child *w) EV_THROW 4248ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4200{ 4249{
4201#if EV_MULTIPLICITY 4250#if EV_MULTIPLICITY
4202 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4251 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4203#endif 4252#endif
4204 if (expect_false (ev_is_active (w))) 4253 if (expect_false (ev_is_active (w)))
… …
4211 4260
4212 EV_FREQUENT_CHECK; 4261 EV_FREQUENT_CHECK;
4213} 4262}
4214 4263
4215void 4264void
4216ev_child_stop (EV_P_ ev_child *w) EV_THROW 4265ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4217{ 4266{
4218 clear_pending (EV_A_ (W)w); 4267 clear_pending (EV_A_ (W)w);
4219 if (expect_false (!ev_is_active (w))) 4268 if (expect_false (!ev_is_active (w)))
4220 return; 4269 return;
4221 4270
… …
4486#else 4535#else
4487# define EV_LSTAT(p,b) lstat (p, b) 4536# define EV_LSTAT(p,b) lstat (p, b)
4488#endif 4537#endif
4489 4538
4490void 4539void
4491ev_stat_stat (EV_P_ ev_stat *w) EV_THROW 4540ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4492{ 4541{
4493 if (lstat (w->path, &w->attr) < 0) 4542 if (lstat (w->path, &w->attr) < 0)
4494 w->attr.st_nlink = 0; 4543 w->attr.st_nlink = 0;
4495 else if (!w->attr.st_nlink) 4544 else if (!w->attr.st_nlink)
4496 w->attr.st_nlink = 1; 4545 w->attr.st_nlink = 1;
… …
4536 ev_feed_event (EV_A_ w, EV_STAT); 4585 ev_feed_event (EV_A_ w, EV_STAT);
4537 } 4586 }
4538} 4587}
4539 4588
4540void 4589void
4541ev_stat_start (EV_P_ ev_stat *w) EV_THROW 4590ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4542{ 4591{
4543 if (expect_false (ev_is_active (w))) 4592 if (expect_false (ev_is_active (w)))
4544 return; 4593 return;
4545 4594
4546 ev_stat_stat (EV_A_ w); 4595 ev_stat_stat (EV_A_ w);
… …
4567 4616
4568 EV_FREQUENT_CHECK; 4617 EV_FREQUENT_CHECK;
4569} 4618}
4570 4619
4571void 4620void
4572ev_stat_stop (EV_P_ ev_stat *w) EV_THROW 4621ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4573{ 4622{
4574 clear_pending (EV_A_ (W)w); 4623 clear_pending (EV_A_ (W)w);
4575 if (expect_false (!ev_is_active (w))) 4624 if (expect_false (!ev_is_active (w)))
4576 return; 4625 return;
4577 4626
… …
4593} 4642}
4594#endif 4643#endif
4595 4644
4596#if EV_IDLE_ENABLE 4645#if EV_IDLE_ENABLE
4597void 4646void
4598ev_idle_start (EV_P_ ev_idle *w) EV_THROW 4647ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4599{ 4648{
4600 if (expect_false (ev_is_active (w))) 4649 if (expect_false (ev_is_active (w)))
4601 return; 4650 return;
4602 4651
4603 pri_adjust (EV_A_ (W)w); 4652 pri_adjust (EV_A_ (W)w);
… …
4608 int active = ++idlecnt [ABSPRI (w)]; 4657 int active = ++idlecnt [ABSPRI (w)];
4609 4658
4610 ++idleall; 4659 ++idleall;
4611 ev_start (EV_A_ (W)w, active); 4660 ev_start (EV_A_ (W)w, active);
4612 4661
4613 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 4662 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4614 idles [ABSPRI (w)][active - 1] = w; 4663 idles [ABSPRI (w)][active - 1] = w;
4615 } 4664 }
4616 4665
4617 EV_FREQUENT_CHECK; 4666 EV_FREQUENT_CHECK;
4618} 4667}
4619 4668
4620void 4669void
4621ev_idle_stop (EV_P_ ev_idle *w) EV_THROW 4670ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4622{ 4671{
4623 clear_pending (EV_A_ (W)w); 4672 clear_pending (EV_A_ (W)w);
4624 if (expect_false (!ev_is_active (w))) 4673 if (expect_false (!ev_is_active (w)))
4625 return; 4674 return;
4626 4675
… …
4640} 4689}
4641#endif 4690#endif
4642 4691
4643#if EV_PREPARE_ENABLE 4692#if EV_PREPARE_ENABLE
4644void 4693void
4645ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW 4694ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4646{ 4695{
4647 if (expect_false (ev_is_active (w))) 4696 if (expect_false (ev_is_active (w)))
4648 return; 4697 return;
4649 4698
4650 EV_FREQUENT_CHECK; 4699 EV_FREQUENT_CHECK;
4651 4700
4652 ev_start (EV_A_ (W)w, ++preparecnt); 4701 ev_start (EV_A_ (W)w, ++preparecnt);
4653 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 4702 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4654 prepares [preparecnt - 1] = w; 4703 prepares [preparecnt - 1] = w;
4655 4704
4656 EV_FREQUENT_CHECK; 4705 EV_FREQUENT_CHECK;
4657} 4706}
4658 4707
4659void 4708void
4660ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW 4709ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4661{ 4710{
4662 clear_pending (EV_A_ (W)w); 4711 clear_pending (EV_A_ (W)w);
4663 if (expect_false (!ev_is_active (w))) 4712 if (expect_false (!ev_is_active (w)))
4664 return; 4713 return;
4665 4714
… …
4678} 4727}
4679#endif 4728#endif
4680 4729
4681#if EV_CHECK_ENABLE 4730#if EV_CHECK_ENABLE
4682void 4731void
4683ev_check_start (EV_P_ ev_check *w) EV_THROW 4732ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4684{ 4733{
4685 if (expect_false (ev_is_active (w))) 4734 if (expect_false (ev_is_active (w)))
4686 return; 4735 return;
4687 4736
4688 EV_FREQUENT_CHECK; 4737 EV_FREQUENT_CHECK;
4689 4738
4690 ev_start (EV_A_ (W)w, ++checkcnt); 4739 ev_start (EV_A_ (W)w, ++checkcnt);
4691 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 4740 array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4692 checks [checkcnt - 1] = w; 4741 checks [checkcnt - 1] = w;
4693 4742
4694 EV_FREQUENT_CHECK; 4743 EV_FREQUENT_CHECK;
4695} 4744}
4696 4745
4697void 4746void
4698ev_check_stop (EV_P_ ev_check *w) EV_THROW 4747ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4699{ 4748{
4700 clear_pending (EV_A_ (W)w); 4749 clear_pending (EV_A_ (W)w);
4701 if (expect_false (!ev_is_active (w))) 4750 if (expect_false (!ev_is_active (w)))
4702 return; 4751 return;
4703 4752
… …
4717#endif 4766#endif
4718 4767
4719#if EV_EMBED_ENABLE 4768#if EV_EMBED_ENABLE
4720noinline 4769noinline
4721void 4770void
4722ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4771ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4723{ 4772{
4724 ev_run (w->other, EVRUN_NOWAIT); 4773 ev_run (w->other, EVRUN_NOWAIT);
4725} 4774}
4726 4775
4727static void 4776static void
… …
4775 ev_idle_stop (EV_A_ idle); 4824 ev_idle_stop (EV_A_ idle);
4776} 4825}
4777#endif 4826#endif
4778 4827
4779void 4828void
4780ev_embed_start (EV_P_ ev_embed *w) EV_THROW 4829ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4781{ 4830{
4782 if (expect_false (ev_is_active (w))) 4831 if (expect_false (ev_is_active (w)))
4783 return; 4832 return;
4784 4833
4785 { 4834 {
… …
4806 4855
4807 EV_FREQUENT_CHECK; 4856 EV_FREQUENT_CHECK;
4808} 4857}
4809 4858
4810void 4859void
4811ev_embed_stop (EV_P_ ev_embed *w) EV_THROW 4860ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4812{ 4861{
4813 clear_pending (EV_A_ (W)w); 4862 clear_pending (EV_A_ (W)w);
4814 if (expect_false (!ev_is_active (w))) 4863 if (expect_false (!ev_is_active (w)))
4815 return; 4864 return;
4816 4865
… …
4826} 4875}
4827#endif 4876#endif
4828 4877
4829#if EV_FORK_ENABLE 4878#if EV_FORK_ENABLE
4830void 4879void
4831ev_fork_start (EV_P_ ev_fork *w) EV_THROW 4880ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4832{ 4881{
4833 if (expect_false (ev_is_active (w))) 4882 if (expect_false (ev_is_active (w)))
4834 return; 4883 return;
4835 4884
4836 EV_FREQUENT_CHECK; 4885 EV_FREQUENT_CHECK;
4837 4886
4838 ev_start (EV_A_ (W)w, ++forkcnt); 4887 ev_start (EV_A_ (W)w, ++forkcnt);
4839 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 4888 array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4840 forks [forkcnt - 1] = w; 4889 forks [forkcnt - 1] = w;
4841 4890
4842 EV_FREQUENT_CHECK; 4891 EV_FREQUENT_CHECK;
4843} 4892}
4844 4893
4845void 4894void
4846ev_fork_stop (EV_P_ ev_fork *w) EV_THROW 4895ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4847{ 4896{
4848 clear_pending (EV_A_ (W)w); 4897 clear_pending (EV_A_ (W)w);
4849 if (expect_false (!ev_is_active (w))) 4898 if (expect_false (!ev_is_active (w)))
4850 return; 4899 return;
4851 4900
… …
4864} 4913}
4865#endif 4914#endif
4866 4915
4867#if EV_CLEANUP_ENABLE 4916#if EV_CLEANUP_ENABLE
4868void 4917void
4869ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW 4918ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4870{ 4919{
4871 if (expect_false (ev_is_active (w))) 4920 if (expect_false (ev_is_active (w)))
4872 return; 4921 return;
4873 4922
4874 EV_FREQUENT_CHECK; 4923 EV_FREQUENT_CHECK;
4875 4924
4876 ev_start (EV_A_ (W)w, ++cleanupcnt); 4925 ev_start (EV_A_ (W)w, ++cleanupcnt);
4877 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 4926 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4878 cleanups [cleanupcnt - 1] = w; 4927 cleanups [cleanupcnt - 1] = w;
4879 4928
4880 /* cleanup watchers should never keep a refcount on the loop */ 4929 /* cleanup watchers should never keep a refcount on the loop */
4881 ev_unref (EV_A); 4930 ev_unref (EV_A);
4882 EV_FREQUENT_CHECK; 4931 EV_FREQUENT_CHECK;
4883} 4932}
4884 4933
4885void 4934void
4886ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW 4935ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4887{ 4936{
4888 clear_pending (EV_A_ (W)w); 4937 clear_pending (EV_A_ (W)w);
4889 if (expect_false (!ev_is_active (w))) 4938 if (expect_false (!ev_is_active (w)))
4890 return; 4939 return;
4891 4940
… …
4905} 4954}
4906#endif 4955#endif
4907 4956
4908#if EV_ASYNC_ENABLE 4957#if EV_ASYNC_ENABLE
4909void 4958void
4910ev_async_start (EV_P_ ev_async *w) EV_THROW 4959ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4911{ 4960{
4912 if (expect_false (ev_is_active (w))) 4961 if (expect_false (ev_is_active (w)))
4913 return; 4962 return;
4914 4963
4915 w->sent = 0; 4964 w->sent = 0;
… …
4917 evpipe_init (EV_A); 4966 evpipe_init (EV_A);
4918 4967
4919 EV_FREQUENT_CHECK; 4968 EV_FREQUENT_CHECK;
4920 4969
4921 ev_start (EV_A_ (W)w, ++asynccnt); 4970 ev_start (EV_A_ (W)w, ++asynccnt);
4922 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 4971 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4923 asyncs [asynccnt - 1] = w; 4972 asyncs [asynccnt - 1] = w;
4924 4973
4925 EV_FREQUENT_CHECK; 4974 EV_FREQUENT_CHECK;
4926} 4975}
4927 4976
4928void 4977void
4929ev_async_stop (EV_P_ ev_async *w) EV_THROW 4978ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4930{ 4979{
4931 clear_pending (EV_A_ (W)w); 4980 clear_pending (EV_A_ (W)w);
4932 if (expect_false (!ev_is_active (w))) 4981 if (expect_false (!ev_is_active (w)))
4933 return; 4982 return;
4934 4983
… …
4945 4994
4946 EV_FREQUENT_CHECK; 4995 EV_FREQUENT_CHECK;
4947} 4996}
4948 4997
4949void 4998void
4950ev_async_send (EV_P_ ev_async *w) EV_THROW 4999ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4951{ 5000{
4952 w->sent = 1; 5001 w->sent = 1;
4953 evpipe_write (EV_A_ &async_pending); 5002 evpipe_write (EV_A_ &async_pending);
4954} 5003}
4955#endif 5004#endif
… …
4992 5041
4993 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 5042 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4994} 5043}
4995 5044
4996void 5045void
4997ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW 5046ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4998{ 5047{
4999 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 5048 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
5000
5001 if (expect_false (!once))
5002 {
5003 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
5004 return;
5005 }
5006 5049
5007 once->cb = cb; 5050 once->cb = cb;
5008 once->arg = arg; 5051 once->arg = arg;
5009 5052
5010 ev_init (&once->io, once_cb_io); 5053 ev_init (&once->io, once_cb_io);
… …
5025/*****************************************************************************/ 5068/*****************************************************************************/
5026 5069
5027#if EV_WALK_ENABLE 5070#if EV_WALK_ENABLE
5028ecb_cold 5071ecb_cold
5029void 5072void
5030ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW 5073ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
5031{ 5074{
5032 int i, j; 5075 int i, j;
5033 ev_watcher_list *wl, *wn; 5076 ev_watcher_list *wl, *wn;
5034 5077
5035 if (types & (EV_IO | EV_EMBED)) 5078 if (types & (EV_IO | EV_EMBED))

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