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Comparing libev/ev.c (file contents):
Revision 1.479 by root, Sun Dec 20 01:31:17 2015 UTC vs.
Revision 1.482 by root, Sat Jul 28 04:15:15 2018 UTC

363 363
364#ifndef EV_HEAP_CACHE_AT 364#ifndef EV_HEAP_CACHE_AT
365# define EV_HEAP_CACHE_AT EV_FEATURE_DATA 365# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
366#endif 366#endif
367 367
368#ifdef ANDROID 368#ifdef __ANDROID__
369/* supposedly, android doesn't typedef fd_mask */ 369/* supposedly, android doesn't typedef fd_mask */
370# undef EV_USE_SELECT 370# undef EV_USE_SELECT
371# define EV_USE_SELECT 0 371# define EV_USE_SELECT 0
372/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ 372/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
373# undef EV_USE_CLOCK_SYSCALL 373# undef EV_USE_CLOCK_SYSCALL
1527#define inline_size ecb_inline 1527#define inline_size ecb_inline
1528 1528
1529#if EV_FEATURE_CODE 1529#if EV_FEATURE_CODE
1530# define inline_speed ecb_inline 1530# define inline_speed ecb_inline
1531#else 1531#else
1532# define inline_speed static noinline 1532# define inline_speed noinline static
1533#endif 1533#endif
1534 1534
1535#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 1535#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1536 1536
1537#if EV_MINPRI == EV_MAXPRI 1537#if EV_MINPRI == EV_MAXPRI
1584#else 1584#else
1585 1585
1586#include <float.h> 1586#include <float.h>
1587 1587
1588/* a floor() replacement function, should be independent of ev_tstamp type */ 1588/* a floor() replacement function, should be independent of ev_tstamp type */
1589noinline
1589static ev_tstamp noinline 1590static ev_tstamp
1590ev_floor (ev_tstamp v) 1591ev_floor (ev_tstamp v)
1591{ 1592{
1592 /* the choice of shift factor is not terribly important */ 1593 /* the choice of shift factor is not terribly important */
1593#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ 1594#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1594 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; 1595 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1626 1627
1627#ifdef __linux 1628#ifdef __linux
1628# include <sys/utsname.h> 1629# include <sys/utsname.h>
1629#endif 1630#endif
1630 1631
1631static unsigned int noinline ecb_cold 1632noinline ecb_cold
1633static unsigned int
1632ev_linux_version (void) 1634ev_linux_version (void)
1633{ 1635{
1634#ifdef __linux 1636#ifdef __linux
1635 unsigned int v = 0; 1637 unsigned int v = 0;
1636 struct utsname buf; 1638 struct utsname buf;
1665} 1667}
1666 1668
1667/*****************************************************************************/ 1669/*****************************************************************************/
1668 1670
1669#if EV_AVOID_STDIO 1671#if EV_AVOID_STDIO
1670static void noinline ecb_cold 1672noinline ecb_cold
1673static void
1671ev_printerr (const char *msg) 1674ev_printerr (const char *msg)
1672{ 1675{
1673 write (STDERR_FILENO, msg, strlen (msg)); 1676 write (STDERR_FILENO, msg, strlen (msg));
1674} 1677}
1675#endif 1678#endif
1676 1679
1677static void (*syserr_cb)(const char *msg) EV_THROW; 1680static void (*syserr_cb)(const char *msg) EV_THROW;
1678 1681
1679void ecb_cold 1682ecb_cold
1683void
1680ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW 1684ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1681{ 1685{
1682 syserr_cb = cb; 1686 syserr_cb = cb;
1683} 1687}
1684 1688
1685static void noinline ecb_cold 1689noinline ecb_cold
1690static void
1686ev_syserr (const char *msg) 1691ev_syserr (const char *msg)
1687{ 1692{
1688 if (!msg) 1693 if (!msg)
1689 msg = "(libev) system error"; 1694 msg = "(libev) system error";
1690 1695
1721 return 0; 1726 return 0;
1722} 1727}
1723 1728
1724static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; 1729static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1725 1730
1726void ecb_cold 1731ecb_cold
1732void
1727ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW 1733ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1728{ 1734{
1729 alloc = cb; 1735 alloc = cb;
1730} 1736}
1731 1737
1900 struct timespec ts; 1906 struct timespec ts;
1901 1907
1902 EV_TS_SET (ts, delay); 1908 EV_TS_SET (ts, delay);
1903 nanosleep (&ts, 0); 1909 nanosleep (&ts, 0);
1904#elif defined _WIN32 1910#elif defined _WIN32
1911 /* maybe this should round up, as ms is very low resolution */
1912 /* compared to select (µs) or nanosleep (ns) */
1905 Sleep ((unsigned long)(delay * 1e3)); 1913 Sleep ((unsigned long)(delay * 1e3));
1906#else 1914#else
1907 struct timeval tv; 1915 struct timeval tv;
1908 1916
1909 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1917 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1940 } 1948 }
1941 1949
1942 return ncur; 1950 return ncur;
1943} 1951}
1944 1952
1945static void * noinline ecb_cold 1953noinline ecb_cold
1954static void *
1946array_realloc (int elem, void *base, int *cur, int cnt) 1955array_realloc (int elem, void *base, int *cur, int cnt)
1947{ 1956{
1948 *cur = array_nextsize (elem, *cur, cnt); 1957 *cur = array_nextsize (elem, *cur, cnt);
1949 return ev_realloc (base, elem * *cur); 1958 return ev_realloc (base, elem * *cur);
1950} 1959}
1953 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1962 memset ((void *)(base), 0, sizeof (*(base)) * (count))
1954 1963
1955#define array_needsize(type,base,cur,cnt,init) \ 1964#define array_needsize(type,base,cur,cnt,init) \
1956 if (expect_false ((cnt) > (cur))) \ 1965 if (expect_false ((cnt) > (cur))) \
1957 { \ 1966 { \
1958 int ecb_unused ocur_ = (cur); \ 1967 ecb_unused int ocur_ = (cur); \
1959 (base) = (type *)array_realloc \ 1968 (base) = (type *)array_realloc \
1960 (sizeof (type), (base), &(cur), (cnt)); \ 1969 (sizeof (type), (base), &(cur), (cnt)); \
1961 init ((base) + (ocur_), (cur) - ocur_); \ 1970 init ((base) + (ocur_), (cur) - ocur_); \
1962 } 1971 }
1963 1972
1975 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 1984 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1976 1985
1977/*****************************************************************************/ 1986/*****************************************************************************/
1978 1987
1979/* dummy callback for pending events */ 1988/* dummy callback for pending events */
1980static void noinline 1989noinline
1990static void
1981pendingcb (EV_P_ ev_prepare *w, int revents) 1991pendingcb (EV_P_ ev_prepare *w, int revents)
1982{ 1992{
1983} 1993}
1984 1994
1985void noinline 1995noinline
1996void
1986ev_feed_event (EV_P_ void *w, int revents) EV_THROW 1997ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1987{ 1998{
1988 W w_ = (W)w; 1999 W w_ = (W)w;
1989 int pri = ABSPRI (w_); 2000 int pri = ABSPRI (w_);
1990 2001
2120 2131
2121 fdchangecnt = 0; 2132 fdchangecnt = 0;
2122} 2133}
2123 2134
2124/* something about the given fd changed */ 2135/* something about the given fd changed */
2125inline_size void 2136inline_size
2137void
2126fd_change (EV_P_ int fd, int flags) 2138fd_change (EV_P_ int fd, int flags)
2127{ 2139{
2128 unsigned char reify = anfds [fd].reify; 2140 unsigned char reify = anfds [fd].reify;
2129 anfds [fd].reify |= flags; 2141 anfds [fd].reify |= flags;
2130 2142
2135 fdchanges [fdchangecnt - 1] = fd; 2147 fdchanges [fdchangecnt - 1] = fd;
2136 } 2148 }
2137} 2149}
2138 2150
2139/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 2151/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
2140inline_speed void ecb_cold 2152inline_speed ecb_cold void
2141fd_kill (EV_P_ int fd) 2153fd_kill (EV_P_ int fd)
2142{ 2154{
2143 ev_io *w; 2155 ev_io *w;
2144 2156
2145 while ((w = (ev_io *)anfds [fd].head)) 2157 while ((w = (ev_io *)anfds [fd].head))
2148 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 2160 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
2149 } 2161 }
2150} 2162}
2151 2163
2152/* check whether the given fd is actually valid, for error recovery */ 2164/* check whether the given fd is actually valid, for error recovery */
2153inline_size int ecb_cold 2165inline_size ecb_cold int
2154fd_valid (int fd) 2166fd_valid (int fd)
2155{ 2167{
2156#ifdef _WIN32 2168#ifdef _WIN32
2157 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 2169 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
2158#else 2170#else
2159 return fcntl (fd, F_GETFD) != -1; 2171 return fcntl (fd, F_GETFD) != -1;
2160#endif 2172#endif
2161} 2173}
2162 2174
2163/* called on EBADF to verify fds */ 2175/* called on EBADF to verify fds */
2164static void noinline ecb_cold 2176noinline ecb_cold
2177static void
2165fd_ebadf (EV_P) 2178fd_ebadf (EV_P)
2166{ 2179{
2167 int fd; 2180 int fd;
2168 2181
2169 for (fd = 0; fd < anfdmax; ++fd) 2182 for (fd = 0; fd < anfdmax; ++fd)
2171 if (!fd_valid (fd) && errno == EBADF) 2184 if (!fd_valid (fd) && errno == EBADF)
2172 fd_kill (EV_A_ fd); 2185 fd_kill (EV_A_ fd);
2173} 2186}
2174 2187
2175/* called on ENOMEM in select/poll to kill some fds and retry */ 2188/* called on ENOMEM in select/poll to kill some fds and retry */
2176static void noinline ecb_cold 2189noinline ecb_cold
2190static void
2177fd_enomem (EV_P) 2191fd_enomem (EV_P)
2178{ 2192{
2179 int fd; 2193 int fd;
2180 2194
2181 for (fd = anfdmax; fd--; ) 2195 for (fd = anfdmax; fd--; )
2185 break; 2199 break;
2186 } 2200 }
2187} 2201}
2188 2202
2189/* usually called after fork if backend needs to re-arm all fds from scratch */ 2203/* usually called after fork if backend needs to re-arm all fds from scratch */
2190static void noinline 2204noinline
2205static void
2191fd_rearm_all (EV_P) 2206fd_rearm_all (EV_P)
2192{ 2207{
2193 int fd; 2208 int fd;
2194 2209
2195 for (fd = 0; fd < anfdmax; ++fd) 2210 for (fd = 0; fd < anfdmax; ++fd)
2376 2391
2377/*****************************************************************************/ 2392/*****************************************************************************/
2378 2393
2379#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2394#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2380 2395
2381static void noinline ecb_cold 2396noinline ecb_cold
2397static void
2382evpipe_init (EV_P) 2398evpipe_init (EV_P)
2383{ 2399{
2384 if (!ev_is_active (&pipe_w)) 2400 if (!ev_is_active (&pipe_w))
2385 { 2401 {
2386 int fds [2]; 2402 int fds [2];
2564#endif 2580#endif
2565 2581
2566 ev_feed_signal (signum); 2582 ev_feed_signal (signum);
2567} 2583}
2568 2584
2569void noinline 2585noinline
2586void
2570ev_feed_signal_event (EV_P_ int signum) EV_THROW 2587ev_feed_signal_event (EV_P_ int signum) EV_THROW
2571{ 2588{
2572 WL w; 2589 WL w;
2573 2590
2574 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2591 if (expect_false (signum <= 0 || signum >= EV_NSIG))
2691#endif 2708#endif
2692#if EV_USE_SELECT 2709#if EV_USE_SELECT
2693# include "ev_select.c" 2710# include "ev_select.c"
2694#endif 2711#endif
2695 2712
2696int ecb_cold 2713ecb_cold int
2697ev_version_major (void) EV_THROW 2714ev_version_major (void) EV_THROW
2698{ 2715{
2699 return EV_VERSION_MAJOR; 2716 return EV_VERSION_MAJOR;
2700} 2717}
2701 2718
2702int ecb_cold 2719ecb_cold int
2703ev_version_minor (void) EV_THROW 2720ev_version_minor (void) EV_THROW
2704{ 2721{
2705 return EV_VERSION_MINOR; 2722 return EV_VERSION_MINOR;
2706} 2723}
2707 2724
2708/* return true if we are running with elevated privileges and should ignore env variables */ 2725/* return true if we are running with elevated privileges and should ignore env variables */
2709int inline_size ecb_cold 2726inline_size ecb_cold int
2710enable_secure (void) 2727enable_secure (void)
2711{ 2728{
2712#ifdef _WIN32 2729#ifdef _WIN32
2713 return 0; 2730 return 0;
2714#else 2731#else
2715 return getuid () != geteuid () 2732 return getuid () != geteuid ()
2716 || getgid () != getegid (); 2733 || getgid () != getegid ();
2717#endif 2734#endif
2718} 2735}
2719 2736
2720unsigned int ecb_cold 2737ecb_cold
2738unsigned int
2721ev_supported_backends (void) EV_THROW 2739ev_supported_backends (void) EV_THROW
2722{ 2740{
2723 unsigned int flags = 0; 2741 unsigned int flags = 0;
2724 2742
2725 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2743 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2729 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2747 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
2730 2748
2731 return flags; 2749 return flags;
2732} 2750}
2733 2751
2734unsigned int ecb_cold 2752ecb_cold
2753unsigned int
2735ev_recommended_backends (void) EV_THROW 2754ev_recommended_backends (void) EV_THROW
2736{ 2755{
2737 unsigned int flags = ev_supported_backends (); 2756 unsigned int flags = ev_supported_backends ();
2738 2757
2739#ifndef __NetBSD__ 2758#ifndef __NetBSD__
2751#endif 2770#endif
2752 2771
2753 return flags; 2772 return flags;
2754} 2773}
2755 2774
2756unsigned int ecb_cold 2775ecb_cold
2776unsigned int
2757ev_embeddable_backends (void) EV_THROW 2777ev_embeddable_backends (void) EV_THROW
2758{ 2778{
2759 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2779 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2760 2780
2761 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2781 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2821 acquire_cb = acquire; 2841 acquire_cb = acquire;
2822} 2842}
2823#endif 2843#endif
2824 2844
2825/* initialise a loop structure, must be zero-initialised */ 2845/* initialise a loop structure, must be zero-initialised */
2826static void noinline ecb_cold 2846noinline ecb_cold
2847static void
2827loop_init (EV_P_ unsigned int flags) EV_THROW 2848loop_init (EV_P_ unsigned int flags) EV_THROW
2828{ 2849{
2829 if (!backend) 2850 if (!backend)
2830 { 2851 {
2831 origflags = flags; 2852 origflags = flags;
2918#endif 2939#endif
2919 } 2940 }
2920} 2941}
2921 2942
2922/* free up a loop structure */ 2943/* free up a loop structure */
2923void ecb_cold 2944ecb_cold
2945void
2924ev_loop_destroy (EV_P) 2946ev_loop_destroy (EV_P)
2925{ 2947{
2926 int i; 2948 int i;
2927 2949
2928#if EV_MULTIPLICITY 2950#if EV_MULTIPLICITY
3070 postfork = 0; 3092 postfork = 0;
3071} 3093}
3072 3094
3073#if EV_MULTIPLICITY 3095#if EV_MULTIPLICITY
3074 3096
3097ecb_cold
3075struct ev_loop * ecb_cold 3098struct ev_loop *
3076ev_loop_new (unsigned int flags) EV_THROW 3099ev_loop_new (unsigned int flags) EV_THROW
3077{ 3100{
3078 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3101 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
3079 3102
3080 memset (EV_A, 0, sizeof (struct ev_loop)); 3103 memset (EV_A, 0, sizeof (struct ev_loop));
3088} 3111}
3089 3112
3090#endif /* multiplicity */ 3113#endif /* multiplicity */
3091 3114
3092#if EV_VERIFY 3115#if EV_VERIFY
3093static void noinline ecb_cold 3116noinline ecb_cold
3117static void
3094verify_watcher (EV_P_ W w) 3118verify_watcher (EV_P_ W w)
3095{ 3119{
3096 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 3120 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
3097 3121
3098 if (w->pending) 3122 if (w->pending)
3099 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 3123 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
3100} 3124}
3101 3125
3102static void noinline ecb_cold 3126noinline ecb_cold
3127static void
3103verify_heap (EV_P_ ANHE *heap, int N) 3128verify_heap (EV_P_ ANHE *heap, int N)
3104{ 3129{
3105 int i; 3130 int i;
3106 3131
3107 for (i = HEAP0; i < N + HEAP0; ++i) 3132 for (i = HEAP0; i < N + HEAP0; ++i)
3112 3137
3113 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 3138 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
3114 } 3139 }
3115} 3140}
3116 3141
3117static void noinline ecb_cold 3142noinline ecb_cold
3143static void
3118array_verify (EV_P_ W *ws, int cnt) 3144array_verify (EV_P_ W *ws, int cnt)
3119{ 3145{
3120 while (cnt--) 3146 while (cnt--)
3121 { 3147 {
3122 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 3148 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
3211#endif 3237#endif
3212} 3238}
3213#endif 3239#endif
3214 3240
3215#if EV_MULTIPLICITY 3241#if EV_MULTIPLICITY
3242ecb_cold
3216struct ev_loop * ecb_cold 3243struct ev_loop *
3217#else 3244#else
3218int 3245int
3219#endif 3246#endif
3220ev_default_loop (unsigned int flags) EV_THROW 3247ev_default_loop (unsigned int flags) EV_THROW
3221{ 3248{
3269 count += pendingcnt [pri]; 3296 count += pendingcnt [pri];
3270 3297
3271 return count; 3298 return count;
3272} 3299}
3273 3300
3274void noinline 3301noinline
3302void
3275ev_invoke_pending (EV_P) 3303ev_invoke_pending (EV_P)
3276{ 3304{
3277 pendingpri = NUMPRI; 3305 pendingpri = NUMPRI;
3278 3306
3279 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ 3307 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
3354 } 3382 }
3355} 3383}
3356 3384
3357#if EV_PERIODIC_ENABLE 3385#if EV_PERIODIC_ENABLE
3358 3386
3359static void noinline 3387noinline
3388static void
3360periodic_recalc (EV_P_ ev_periodic *w) 3389periodic_recalc (EV_P_ ev_periodic *w)
3361{ 3390{
3362 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; 3391 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3363 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); 3392 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3364 3393
3422 } 3451 }
3423} 3452}
3424 3453
3425/* simply recalculate all periodics */ 3454/* simply recalculate all periodics */
3426/* TODO: maybe ensure that at least one event happens when jumping forward? */ 3455/* TODO: maybe ensure that at least one event happens when jumping forward? */
3427static void noinline ecb_cold 3456noinline ecb_cold
3457static void
3428periodics_reschedule (EV_P) 3458periodics_reschedule (EV_P)
3429{ 3459{
3430 int i; 3460 int i;
3431 3461
3432 /* adjust periodics after time jump */ 3462 /* adjust periodics after time jump */
3445 reheap (periodics, periodiccnt); 3475 reheap (periodics, periodiccnt);
3446} 3476}
3447#endif 3477#endif
3448 3478
3449/* adjust all timers by a given offset */ 3479/* adjust all timers by a given offset */
3450static void noinline ecb_cold 3480noinline ecb_cold
3481static void
3451timers_reschedule (EV_P_ ev_tstamp adjust) 3482timers_reschedule (EV_P_ ev_tstamp adjust)
3452{ 3483{
3453 int i; 3484 int i;
3454 3485
3455 for (i = 0; i < timercnt; ++i) 3486 for (i = 0; i < timercnt; ++i)
3823 w->active = 0; 3854 w->active = 0;
3824} 3855}
3825 3856
3826/*****************************************************************************/ 3857/*****************************************************************************/
3827 3858
3828void noinline 3859noinline
3860void
3829ev_io_start (EV_P_ ev_io *w) EV_THROW 3861ev_io_start (EV_P_ ev_io *w) EV_THROW
3830{ 3862{
3831 int fd = w->fd; 3863 int fd = w->fd;
3832 3864
3833 if (expect_false (ev_is_active (w))) 3865 if (expect_false (ev_is_active (w)))
3849 w->events &= ~EV__IOFDSET; 3881 w->events &= ~EV__IOFDSET;
3850 3882
3851 EV_FREQUENT_CHECK; 3883 EV_FREQUENT_CHECK;
3852} 3884}
3853 3885
3854void noinline 3886noinline
3887void
3855ev_io_stop (EV_P_ ev_io *w) EV_THROW 3888ev_io_stop (EV_P_ ev_io *w) EV_THROW
3856{ 3889{
3857 clear_pending (EV_A_ (W)w); 3890 clear_pending (EV_A_ (W)w);
3858 if (expect_false (!ev_is_active (w))) 3891 if (expect_false (!ev_is_active (w)))
3859 return; 3892 return;
3868 fd_change (EV_A_ w->fd, EV_ANFD_REIFY); 3901 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3869 3902
3870 EV_FREQUENT_CHECK; 3903 EV_FREQUENT_CHECK;
3871} 3904}
3872 3905
3873void noinline 3906noinline
3907void
3874ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3908ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3875{ 3909{
3876 if (expect_false (ev_is_active (w))) 3910 if (expect_false (ev_is_active (w)))
3877 return; 3911 return;
3878 3912
3892 EV_FREQUENT_CHECK; 3926 EV_FREQUENT_CHECK;
3893 3927
3894 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3928 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3895} 3929}
3896 3930
3897void noinline 3931noinline
3932void
3898ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3933ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3899{ 3934{
3900 clear_pending (EV_A_ (W)w); 3935 clear_pending (EV_A_ (W)w);
3901 if (expect_false (!ev_is_active (w))) 3936 if (expect_false (!ev_is_active (w)))
3902 return; 3937 return;
3922 ev_stop (EV_A_ (W)w); 3957 ev_stop (EV_A_ (W)w);
3923 3958
3924 EV_FREQUENT_CHECK; 3959 EV_FREQUENT_CHECK;
3925} 3960}
3926 3961
3927void noinline 3962noinline
3963void
3928ev_timer_again (EV_P_ ev_timer *w) EV_THROW 3964ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3929{ 3965{
3930 EV_FREQUENT_CHECK; 3966 EV_FREQUENT_CHECK;
3931 3967
3932 clear_pending (EV_A_ (W)w); 3968 clear_pending (EV_A_ (W)w);
3956{ 3992{
3957 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3993 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3958} 3994}
3959 3995
3960#if EV_PERIODIC_ENABLE 3996#if EV_PERIODIC_ENABLE
3961void noinline 3997noinline
3998void
3962ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 3999ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3963{ 4000{
3964 if (expect_false (ev_is_active (w))) 4001 if (expect_false (ev_is_active (w)))
3965 return; 4002 return;
3966 4003
3986 EV_FREQUENT_CHECK; 4023 EV_FREQUENT_CHECK;
3987 4024
3988 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4025 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3989} 4026}
3990 4027
3991void noinline 4028noinline
4029void
3992ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4030ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3993{ 4031{
3994 clear_pending (EV_A_ (W)w); 4032 clear_pending (EV_A_ (W)w);
3995 if (expect_false (!ev_is_active (w))) 4033 if (expect_false (!ev_is_active (w)))
3996 return; 4034 return;
4014 ev_stop (EV_A_ (W)w); 4052 ev_stop (EV_A_ (W)w);
4015 4053
4016 EV_FREQUENT_CHECK; 4054 EV_FREQUENT_CHECK;
4017} 4055}
4018 4056
4019void noinline 4057noinline
4058void
4020ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4059ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
4021{ 4060{
4022 /* TODO: use adjustheap and recalculation */ 4061 /* TODO: use adjustheap and recalculation */
4023 ev_periodic_stop (EV_A_ w); 4062 ev_periodic_stop (EV_A_ w);
4024 ev_periodic_start (EV_A_ w); 4063 ev_periodic_start (EV_A_ w);
4029# define SA_RESTART 0 4068# define SA_RESTART 0
4030#endif 4069#endif
4031 4070
4032#if EV_SIGNAL_ENABLE 4071#if EV_SIGNAL_ENABLE
4033 4072
4034void noinline 4073noinline
4074void
4035ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4075ev_signal_start (EV_P_ ev_signal *w) EV_THROW
4036{ 4076{
4037 if (expect_false (ev_is_active (w))) 4077 if (expect_false (ev_is_active (w)))
4038 return; 4078 return;
4039 4079
4111 } 4151 }
4112 4152
4113 EV_FREQUENT_CHECK; 4153 EV_FREQUENT_CHECK;
4114} 4154}
4115 4155
4116void noinline 4156noinline
4157void
4117ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4158ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
4118{ 4159{
4119 clear_pending (EV_A_ (W)w); 4160 clear_pending (EV_A_ (W)w);
4120 if (expect_false (!ev_is_active (w))) 4161 if (expect_false (!ev_is_active (w)))
4121 return; 4162 return;
4197 4238
4198#define DEF_STAT_INTERVAL 5.0074891 4239#define DEF_STAT_INTERVAL 5.0074891
4199#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ 4240#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4200#define MIN_STAT_INTERVAL 0.1074891 4241#define MIN_STAT_INTERVAL 0.1074891
4201 4242
4202static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 4243noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4203 4244
4204#if EV_USE_INOTIFY 4245#if EV_USE_INOTIFY
4205 4246
4206/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ 4247/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
4207# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 4248# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4208 4249
4209static void noinline 4250noinline
4251static void
4210infy_add (EV_P_ ev_stat *w) 4252infy_add (EV_P_ ev_stat *w)
4211{ 4253{
4212 w->wd = inotify_add_watch (fs_fd, w->path, 4254 w->wd = inotify_add_watch (fs_fd, w->path,
4213 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY 4255 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4214 | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO 4256 | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
4278 if (ev_is_active (&w->timer)) ev_ref (EV_A); 4320 if (ev_is_active (&w->timer)) ev_ref (EV_A);
4279 ev_timer_again (EV_A_ &w->timer); 4321 ev_timer_again (EV_A_ &w->timer);
4280 if (ev_is_active (&w->timer)) ev_unref (EV_A); 4322 if (ev_is_active (&w->timer)) ev_unref (EV_A);
4281} 4323}
4282 4324
4283static void noinline 4325noinline
4326static void
4284infy_del (EV_P_ ev_stat *w) 4327infy_del (EV_P_ ev_stat *w)
4285{ 4328{
4286 int slot; 4329 int slot;
4287 int wd = w->wd; 4330 int wd = w->wd;
4288 4331
4295 4338
4296 /* remove this watcher, if others are watching it, they will rearm */ 4339 /* remove this watcher, if others are watching it, they will rearm */
4297 inotify_rm_watch (fs_fd, wd); 4340 inotify_rm_watch (fs_fd, wd);
4298} 4341}
4299 4342
4300static void noinline 4343noinline
4344static void
4301infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 4345infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4302{ 4346{
4303 if (slot < 0) 4347 if (slot < 0)
4304 /* overflow, need to check for all hash slots */ 4348 /* overflow, need to check for all hash slots */
4305 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) 4349 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
4341 infy_wd (EV_A_ ev->wd, ev->wd, ev); 4385 infy_wd (EV_A_ ev->wd, ev->wd, ev);
4342 ofs += sizeof (struct inotify_event) + ev->len; 4386 ofs += sizeof (struct inotify_event) + ev->len;
4343 } 4387 }
4344} 4388}
4345 4389
4346inline_size void ecb_cold 4390inline_size ecb_cold
4391void
4347ev_check_2625 (EV_P) 4392ev_check_2625 (EV_P)
4348{ 4393{
4349 /* kernels < 2.6.25 are borked 4394 /* kernels < 2.6.25 are borked
4350 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 4395 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4351 */ 4396 */
4449 w->attr.st_nlink = 0; 4494 w->attr.st_nlink = 0;
4450 else if (!w->attr.st_nlink) 4495 else if (!w->attr.st_nlink)
4451 w->attr.st_nlink = 1; 4496 w->attr.st_nlink = 1;
4452} 4497}
4453 4498
4454static void noinline 4499noinline
4500static void
4455stat_timer_cb (EV_P_ ev_timer *w_, int revents) 4501stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4456{ 4502{
4457 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 4503 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4458 4504
4459 ev_statdata prev = w->attr; 4505 ev_statdata prev = w->attr;
4669 EV_FREQUENT_CHECK; 4715 EV_FREQUENT_CHECK;
4670} 4716}
4671#endif 4717#endif
4672 4718
4673#if EV_EMBED_ENABLE 4719#if EV_EMBED_ENABLE
4674void noinline 4720noinline
4721void
4675ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4722ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4676{ 4723{
4677 ev_run (w->other, EVRUN_NOWAIT); 4724 ev_run (w->other, EVRUN_NOWAIT);
4678} 4725}
4679 4726
4976} 5023}
4977 5024
4978/*****************************************************************************/ 5025/*****************************************************************************/
4979 5026
4980#if EV_WALK_ENABLE 5027#if EV_WALK_ENABLE
4981void ecb_cold 5028ecb_cold
5029void
4982ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW 5030ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4983{ 5031{
4984 int i, j; 5032 int i, j;
4985 ev_watcher_list *wl, *wn; 5033 ev_watcher_list *wl, *wn;
4986 5034

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