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Comparing libev/ev.c (file contents):
Revision 1.498 by root, Wed Jun 26 00:01:46 2019 UTC vs.
Revision 1.504 by root, Sun Jul 7 06:00:32 2019 UTC

332# else 332# else
333# define EV_USE_LINUXAIO 0 333# define EV_USE_LINUXAIO 0
334# endif 334# endif
335#endif 335#endif
336 336
337#ifndef EV_USE_IOURING
338# if __linux
339# define EV_USE_IOURING 0
340# else
341# define EV_USE_IOURING 0
342# endif
343#endif
344
337#ifndef EV_USE_INOTIFY 345#ifndef EV_USE_INOTIFY
338# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 346# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
339# define EV_USE_INOTIFY EV_FEATURE_OS 347# define EV_USE_INOTIFY EV_FEATURE_OS
340# else 348# else
341# define EV_USE_INOTIFY 0 349# define EV_USE_INOTIFY 0
406# include <sys/syscall.h> 414# include <sys/syscall.h>
407# ifdef SYS_clock_gettime 415# ifdef SYS_clock_gettime
408# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 416# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
409# undef EV_USE_MONOTONIC 417# undef EV_USE_MONOTONIC
410# define EV_USE_MONOTONIC 1 418# define EV_USE_MONOTONIC 1
419# define EV_NEED_SYSCALL 1
411# else 420# else
412# undef EV_USE_CLOCK_SYSCALL 421# undef EV_USE_CLOCK_SYSCALL
413# define EV_USE_CLOCK_SYSCALL 0 422# define EV_USE_CLOCK_SYSCALL 0
414# endif 423# endif
415#endif 424#endif
438# endif 447# endif
439#endif 448#endif
440 449
441#if EV_USE_LINUXAIO 450#if EV_USE_LINUXAIO
442# include <sys/syscall.h> 451# include <sys/syscall.h>
443# if !SYS_io_getevents || !EV_USE_EPOLL /* ev_linxaio uses ev_poll.c:ev_epoll_create */ 452# if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */
453# define EV_NEED_SYSCALL 1
454# else
444# undef EV_USE_LINUXAIO 455# undef EV_USE_LINUXAIO
445# define EV_USE_LINUXAIO 0 456# define EV_USE_LINUXAIO 0
457# endif
458#endif
459
460#if EV_USE_IOURING
461# include <sys/syscall.h>
462# if !SYS_io_uring_setup && __linux && !__alpha
463# define SYS_io_uring_setup 425
464# define SYS_io_uring_enter 426
465# define SYS_io_uring_wregister 427
466# endif
467# if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */
468# define EV_NEED_SYSCALL 1
469# else
470# undef EV_USE_IOURING
471# define EV_USE_IOURING 0
446# endif 472# endif
447#endif 473#endif
448 474
449#if EV_USE_INOTIFY 475#if EV_USE_INOTIFY
450# include <sys/statfs.h> 476# include <sys/statfs.h>
492 uint32_t ssi_signo; 518 uint32_t ssi_signo;
493 char pad[128 - sizeof (uint32_t)]; 519 char pad[128 - sizeof (uint32_t)];
494}; 520};
495#endif 521#endif
496 522
497/**/ 523/*****************************************************************************/
498 524
499#if EV_VERIFY >= 3 525#if EV_VERIFY >= 3
500# define EV_FREQUENT_CHECK ev_verify (EV_A) 526# define EV_FREQUENT_CHECK ev_verify (EV_A)
501#else 527#else
502# define EV_FREQUENT_CHECK do { } while (0) 528# define EV_FREQUENT_CHECK do { } while (0)
507 * This value is good at least till the year 4000. 533 * This value is good at least till the year 4000.
508 */ 534 */
509#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ 535#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
510/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ 536/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
511 537
512#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 538#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
513#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 539#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
540
541/* find a portable timestamp that is "alawys" in the future but fits into time_t.
542 * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t,
543 * and sizes large than 32 bit, but and maybe the unlikely loating point time_t */
544#define EV_TSTAMP_HUGE \
545 (sizeof (time_t) >= 8 ? 10000000000000. \
546 : 0 < (time_t)4294967295 ? 4294967295. \
547 : 2147483647.) \
514 548
515#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) 549#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
516#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) 550#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
517 551
518/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ 552/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
1536/* ECB.H END */ 1570/* ECB.H END */
1537 1571
1538#if ECB_MEMORY_FENCE_NEEDS_PTHREADS 1572#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1539/* if your architecture doesn't need memory fences, e.g. because it is 1573/* if your architecture doesn't need memory fences, e.g. because it is
1540 * single-cpu/core, or if you use libev in a project that doesn't use libev 1574 * single-cpu/core, or if you use libev in a project that doesn't use libev
1541 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling 1575 * from multiple threads, then you can define ECB_NO_THREADS when compiling
1542 * libev, in which cases the memory fences become nops. 1576 * libev, in which cases the memory fences become nops.
1543 * alternatively, you can remove this #error and link against libpthread, 1577 * alternatively, you can remove this #error and link against libpthread,
1544 * which will then provide the memory fences. 1578 * which will then provide the memory fences.
1545 */ 1579 */
1546# error "memory fences not defined for your architecture, please report" 1580# error "memory fences not defined for your architecture, please report"
1550# define ECB_MEMORY_FENCE do { } while (0) 1584# define ECB_MEMORY_FENCE do { } while (0)
1551# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 1585# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1552# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 1586# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1553#endif 1587#endif
1554 1588
1555#define expect_false(cond) ecb_expect_false (cond)
1556#define expect_true(cond) ecb_expect_true (cond)
1557#define noinline ecb_noinline
1558
1559#define inline_size ecb_inline 1589#define inline_size ecb_inline
1560 1590
1561#if EV_FEATURE_CODE 1591#if EV_FEATURE_CODE
1562# define inline_speed ecb_inline 1592# define inline_speed ecb_inline
1563#else 1593#else
1564# define inline_speed noinline static 1594# define inline_speed ecb_noinline static
1565#endif 1595#endif
1596
1597/*****************************************************************************/
1598/* raw syscall wrappers */
1599
1600#if EV_NEED_SYSCALL
1601
1602#include <sys/syscall.h>
1603
1604/*
1605 * define some syscall wrappers for common architectures
1606 * this is mostly for nice looks during debugging, not performance.
1607 * our syscalls return < 0, not == -1, on error. which is good
1608 * enough for linux aio.
1609 * TODO: arm is also common nowadays, maybe even mips and x86
1610 * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
1611 */
1612#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
1613 /* the costly errno access probably kills this for size optimisation */
1614
1615 #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
1616 ({ \
1617 long res; \
1618 register unsigned long r6 __asm__ ("r9" ); \
1619 register unsigned long r5 __asm__ ("r8" ); \
1620 register unsigned long r4 __asm__ ("r10"); \
1621 register unsigned long r3 __asm__ ("rdx"); \
1622 register unsigned long r2 __asm__ ("rsi"); \
1623 register unsigned long r1 __asm__ ("rdi"); \
1624 if (narg >= 6) r6 = (unsigned long)(arg6); \
1625 if (narg >= 5) r5 = (unsigned long)(arg5); \
1626 if (narg >= 4) r4 = (unsigned long)(arg4); \
1627 if (narg >= 3) r3 = (unsigned long)(arg3); \
1628 if (narg >= 2) r2 = (unsigned long)(arg2); \
1629 if (narg >= 1) r1 = (unsigned long)(arg1); \
1630 __asm__ __volatile__ ( \
1631 "syscall\n\t" \
1632 : "=a" (res) \
1633 : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
1634 : "cc", "r11", "cx", "memory"); \
1635 errno = -res; \
1636 res; \
1637 })
1638
1639#endif
1640
1641#ifdef ev_syscall
1642 #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
1643 #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
1644 #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
1645 #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
1646 #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
1647 #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
1648 #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
1649#else
1650 #define ev_syscall0(nr) syscall (nr)
1651 #define ev_syscall1(nr,arg1) syscall (nr, arg1)
1652 #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
1653 #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
1654 #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
1655 #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
1656 #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
1657#endif
1658
1659#endif
1660
1661/*****************************************************************************/
1566 1662
1567#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 1663#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1568 1664
1569#if EV_MINPRI == EV_MAXPRI 1665#if EV_MINPRI == EV_MAXPRI
1570# define ABSPRI(w) (((W)w), 0) 1666# define ABSPRI(w) (((W)w), 0)
1619#else 1715#else
1620 1716
1621#include <float.h> 1717#include <float.h>
1622 1718
1623/* a floor() replacement function, should be independent of ev_tstamp type */ 1719/* a floor() replacement function, should be independent of ev_tstamp type */
1624noinline 1720ecb_noinline
1625static ev_tstamp 1721static ev_tstamp
1626ev_floor (ev_tstamp v) 1722ev_floor (ev_tstamp v)
1627{ 1723{
1628 /* the choice of shift factor is not terribly important */ 1724 /* the choice of shift factor is not terribly important */
1629#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ 1725#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1630 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; 1726 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1631#else 1727#else
1632 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; 1728 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1633#endif 1729#endif
1634 1730
1731 /* special treatment for negative arguments */
1732 if (ecb_expect_false (v < 0.))
1733 {
1734 ev_tstamp f = -ev_floor (-v);
1735
1736 return f - (f == v ? 0 : 1);
1737 }
1738
1635 /* argument too large for an unsigned long? */ 1739 /* argument too large for an unsigned long? then reduce it */
1636 if (expect_false (v >= shift)) 1740 if (ecb_expect_false (v >= shift))
1637 { 1741 {
1638 ev_tstamp f; 1742 ev_tstamp f;
1639 1743
1640 if (v == v - 1.) 1744 if (v == v - 1.)
1641 return v; /* very large number */ 1745 return v; /* very large numbers are assumed to be integer */
1642 1746
1643 f = shift * ev_floor (v * (1. / shift)); 1747 f = shift * ev_floor (v * (1. / shift));
1644 return f + ev_floor (v - f); 1748 return f + ev_floor (v - f);
1645 } 1749 }
1646 1750
1647 /* special treatment for negative args? */
1648 if (expect_false (v < 0.))
1649 {
1650 ev_tstamp f = -ev_floor (-v);
1651
1652 return f - (f == v ? 0 : 1);
1653 }
1654
1655 /* fits into an unsigned long */ 1751 /* fits into an unsigned long */
1656 return (unsigned long)v; 1752 return (unsigned long)v;
1657} 1753}
1658 1754
1659#endif 1755#endif
1662 1758
1663#ifdef __linux 1759#ifdef __linux
1664# include <sys/utsname.h> 1760# include <sys/utsname.h>
1665#endif 1761#endif
1666 1762
1667noinline ecb_cold 1763ecb_noinline ecb_cold
1668static unsigned int 1764static unsigned int
1669ev_linux_version (void) 1765ev_linux_version (void)
1670{ 1766{
1671#ifdef __linux 1767#ifdef __linux
1672 unsigned int v = 0; 1768 unsigned int v = 0;
1702} 1798}
1703 1799
1704/*****************************************************************************/ 1800/*****************************************************************************/
1705 1801
1706#if EV_AVOID_STDIO 1802#if EV_AVOID_STDIO
1707noinline ecb_cold 1803ecb_noinline ecb_cold
1708static void 1804static void
1709ev_printerr (const char *msg) 1805ev_printerr (const char *msg)
1710{ 1806{
1711 write (STDERR_FILENO, msg, strlen (msg)); 1807 write (STDERR_FILENO, msg, strlen (msg));
1712} 1808}
1719ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT 1815ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1720{ 1816{
1721 syserr_cb = cb; 1817 syserr_cb = cb;
1722} 1818}
1723 1819
1724noinline ecb_cold 1820ecb_noinline ecb_cold
1725static void 1821static void
1726ev_syserr (const char *msg) 1822ev_syserr (const char *msg)
1727{ 1823{
1728 if (!msg) 1824 if (!msg)
1729 msg = "(libev) system error"; 1825 msg = "(libev) system error";
1801{ 1897{
1802 WL head; 1898 WL head;
1803 unsigned char events; /* the events watched for */ 1899 unsigned char events; /* the events watched for */
1804 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 1900 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1805 unsigned char emask; /* some backends store the actual kernel mask in here */ 1901 unsigned char emask; /* some backends store the actual kernel mask in here */
1806 unsigned char unused; 1902 unsigned char eflags; /* flags field for use by backends */
1807#if EV_USE_EPOLL 1903#if EV_USE_EPOLL
1808 unsigned int egen; /* generation counter to counter epoll bugs */ 1904 unsigned int egen; /* generation counter to counter epoll bugs */
1809#endif 1905#endif
1810#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1906#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1811 SOCKET handle; 1907 SOCKET handle;
1875 static int ev_default_loop_ptr; 1971 static int ev_default_loop_ptr;
1876 1972
1877#endif 1973#endif
1878 1974
1879#if EV_FEATURE_API 1975#if EV_FEATURE_API
1880# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 1976# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1881# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 1977# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1882# define EV_INVOKE_PENDING invoke_cb (EV_A) 1978# define EV_INVOKE_PENDING invoke_cb (EV_A)
1883#else 1979#else
1884# define EV_RELEASE_CB (void)0 1980# define EV_RELEASE_CB (void)0
1885# define EV_ACQUIRE_CB (void)0 1981# define EV_ACQUIRE_CB (void)0
1886# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 1982# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
1893#ifndef EV_HAVE_EV_TIME 1989#ifndef EV_HAVE_EV_TIME
1894ev_tstamp 1990ev_tstamp
1895ev_time (void) EV_NOEXCEPT 1991ev_time (void) EV_NOEXCEPT
1896{ 1992{
1897#if EV_USE_REALTIME 1993#if EV_USE_REALTIME
1898 if (expect_true (have_realtime)) 1994 if (ecb_expect_true (have_realtime))
1899 { 1995 {
1900 struct timespec ts; 1996 struct timespec ts;
1901 clock_gettime (CLOCK_REALTIME, &ts); 1997 clock_gettime (CLOCK_REALTIME, &ts);
1902 return ts.tv_sec + ts.tv_nsec * 1e-9; 1998 return ts.tv_sec + ts.tv_nsec * 1e-9;
1903 } 1999 }
1911 2007
1912inline_size ev_tstamp 2008inline_size ev_tstamp
1913get_clock (void) 2009get_clock (void)
1914{ 2010{
1915#if EV_USE_MONOTONIC 2011#if EV_USE_MONOTONIC
1916 if (expect_true (have_monotonic)) 2012 if (ecb_expect_true (have_monotonic))
1917 { 2013 {
1918 struct timespec ts; 2014 struct timespec ts;
1919 clock_gettime (CLOCK_MONOTONIC, &ts); 2015 clock_gettime (CLOCK_MONOTONIC, &ts);
1920 return ts.tv_sec + ts.tv_nsec * 1e-9; 2016 return ts.tv_sec + ts.tv_nsec * 1e-9;
1921 } 2017 }
1983 } 2079 }
1984 2080
1985 return ncur; 2081 return ncur;
1986} 2082}
1987 2083
1988noinline ecb_cold 2084ecb_noinline ecb_cold
1989static void * 2085static void *
1990array_realloc (int elem, void *base, int *cur, int cnt) 2086array_realloc (int elem, void *base, int *cur, int cnt)
1991{ 2087{
1992 *cur = array_nextsize (elem, *cur, cnt); 2088 *cur = array_nextsize (elem, *cur, cnt);
1993 return ev_realloc (base, elem * *cur); 2089 return ev_realloc (base, elem * *cur);
1997 2093
1998#define array_needsize_zerofill(base,offset,count) \ 2094#define array_needsize_zerofill(base,offset,count) \
1999 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) 2095 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
2000 2096
2001#define array_needsize(type,base,cur,cnt,init) \ 2097#define array_needsize(type,base,cur,cnt,init) \
2002 if (expect_false ((cnt) > (cur))) \ 2098 if (ecb_expect_false ((cnt) > (cur))) \
2003 { \ 2099 { \
2004 ecb_unused int ocur_ = (cur); \ 2100 ecb_unused int ocur_ = (cur); \
2005 (base) = (type *)array_realloc \ 2101 (base) = (type *)array_realloc \
2006 (sizeof (type), (base), &(cur), (cnt)); \ 2102 (sizeof (type), (base), &(cur), (cnt)); \
2007 init ((base), ocur_, ((cur) - ocur_)); \ 2103 init ((base), ocur_, ((cur) - ocur_)); \
2021 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 2117 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
2022 2118
2023/*****************************************************************************/ 2119/*****************************************************************************/
2024 2120
2025/* dummy callback for pending events */ 2121/* dummy callback for pending events */
2026noinline 2122ecb_noinline
2027static void 2123static void
2028pendingcb (EV_P_ ev_prepare *w, int revents) 2124pendingcb (EV_P_ ev_prepare *w, int revents)
2029{ 2125{
2030} 2126}
2031 2127
2032noinline 2128ecb_noinline
2033void 2129void
2034ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT 2130ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
2035{ 2131{
2036 W w_ = (W)w; 2132 W w_ = (W)w;
2037 int pri = ABSPRI (w_); 2133 int pri = ABSPRI (w_);
2038 2134
2039 if (expect_false (w_->pending)) 2135 if (ecb_expect_false (w_->pending))
2040 pendings [pri][w_->pending - 1].events |= revents; 2136 pendings [pri][w_->pending - 1].events |= revents;
2041 else 2137 else
2042 { 2138 {
2043 w_->pending = ++pendingcnt [pri]; 2139 w_->pending = ++pendingcnt [pri];
2044 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); 2140 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
2095inline_speed void 2191inline_speed void
2096fd_event (EV_P_ int fd, int revents) 2192fd_event (EV_P_ int fd, int revents)
2097{ 2193{
2098 ANFD *anfd = anfds + fd; 2194 ANFD *anfd = anfds + fd;
2099 2195
2100 if (expect_true (!anfd->reify)) 2196 if (ecb_expect_true (!anfd->reify))
2101 fd_event_nocheck (EV_A_ fd, revents); 2197 fd_event_nocheck (EV_A_ fd, revents);
2102} 2198}
2103 2199
2104void 2200void
2105ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT 2201ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
2149 unsigned char o_events = anfd->events; 2245 unsigned char o_events = anfd->events;
2150 unsigned char o_reify = anfd->reify; 2246 unsigned char o_reify = anfd->reify;
2151 2247
2152 anfd->reify = 0; 2248 anfd->reify = 0;
2153 2249
2154 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 2250 /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
2155 { 2251 {
2156 anfd->events = 0; 2252 anfd->events = 0;
2157 2253
2158 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 2254 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
2159 anfd->events |= (unsigned char)w->events; 2255 anfd->events |= (unsigned char)w->events;
2175fd_change (EV_P_ int fd, int flags) 2271fd_change (EV_P_ int fd, int flags)
2176{ 2272{
2177 unsigned char reify = anfds [fd].reify; 2273 unsigned char reify = anfds [fd].reify;
2178 anfds [fd].reify |= flags; 2274 anfds [fd].reify |= flags;
2179 2275
2180 if (expect_true (!reify)) 2276 if (ecb_expect_true (!reify))
2181 { 2277 {
2182 ++fdchangecnt; 2278 ++fdchangecnt;
2183 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); 2279 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2184 fdchanges [fdchangecnt - 1] = fd; 2280 fdchanges [fdchangecnt - 1] = fd;
2185 } 2281 }
2208 return fcntl (fd, F_GETFD) != -1; 2304 return fcntl (fd, F_GETFD) != -1;
2209#endif 2305#endif
2210} 2306}
2211 2307
2212/* called on EBADF to verify fds */ 2308/* called on EBADF to verify fds */
2213noinline ecb_cold 2309ecb_noinline ecb_cold
2214static void 2310static void
2215fd_ebadf (EV_P) 2311fd_ebadf (EV_P)
2216{ 2312{
2217 int fd; 2313 int fd;
2218 2314
2221 if (!fd_valid (fd) && errno == EBADF) 2317 if (!fd_valid (fd) && errno == EBADF)
2222 fd_kill (EV_A_ fd); 2318 fd_kill (EV_A_ fd);
2223} 2319}
2224 2320
2225/* called on ENOMEM in select/poll to kill some fds and retry */ 2321/* called on ENOMEM in select/poll to kill some fds and retry */
2226noinline ecb_cold 2322ecb_noinline ecb_cold
2227static void 2323static void
2228fd_enomem (EV_P) 2324fd_enomem (EV_P)
2229{ 2325{
2230 int fd; 2326 int fd;
2231 2327
2236 break; 2332 break;
2237 } 2333 }
2238} 2334}
2239 2335
2240/* usually called after fork if backend needs to re-arm all fds from scratch */ 2336/* usually called after fork if backend needs to re-arm all fds from scratch */
2241noinline 2337ecb_noinline
2242static void 2338static void
2243fd_rearm_all (EV_P) 2339fd_rearm_all (EV_P)
2244{ 2340{
2245 int fd; 2341 int fd;
2246 2342
2300 ev_tstamp minat; 2396 ev_tstamp minat;
2301 ANHE *minpos; 2397 ANHE *minpos;
2302 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; 2398 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2303 2399
2304 /* find minimum child */ 2400 /* find minimum child */
2305 if (expect_true (pos + DHEAP - 1 < E)) 2401 if (ecb_expect_true (pos + DHEAP - 1 < E))
2306 { 2402 {
2307 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); 2403 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2308 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); 2404 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2309 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); 2405 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2310 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); 2406 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2428 2524
2429/*****************************************************************************/ 2525/*****************************************************************************/
2430 2526
2431#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2527#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2432 2528
2433noinline ecb_cold 2529ecb_noinline ecb_cold
2434static void 2530static void
2435evpipe_init (EV_P) 2531evpipe_init (EV_P)
2436{ 2532{
2437 if (!ev_is_active (&pipe_w)) 2533 if (!ev_is_active (&pipe_w))
2438 { 2534 {
2479inline_speed void 2575inline_speed void
2480evpipe_write (EV_P_ EV_ATOMIC_T *flag) 2576evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2481{ 2577{
2482 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ 2578 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2483 2579
2484 if (expect_true (*flag)) 2580 if (ecb_expect_true (*flag))
2485 return; 2581 return;
2486 2582
2487 *flag = 1; 2583 *flag = 1;
2488 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ 2584 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2489 2585
2566 sig_pending = 0; 2662 sig_pending = 0;
2567 2663
2568 ECB_MEMORY_FENCE; 2664 ECB_MEMORY_FENCE;
2569 2665
2570 for (i = EV_NSIG - 1; i--; ) 2666 for (i = EV_NSIG - 1; i--; )
2571 if (expect_false (signals [i].pending)) 2667 if (ecb_expect_false (signals [i].pending))
2572 ev_feed_signal_event (EV_A_ i + 1); 2668 ev_feed_signal_event (EV_A_ i + 1);
2573 } 2669 }
2574#endif 2670#endif
2575 2671
2576#if EV_ASYNC_ENABLE 2672#if EV_ASYNC_ENABLE
2617#endif 2713#endif
2618 2714
2619 ev_feed_signal (signum); 2715 ev_feed_signal (signum);
2620} 2716}
2621 2717
2622noinline 2718ecb_noinline
2623void 2719void
2624ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT 2720ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2625{ 2721{
2626 WL w; 2722 WL w;
2627 2723
2628 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2724 if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2629 return; 2725 return;
2630 2726
2631 --signum; 2727 --signum;
2632 2728
2633#if EV_MULTIPLICITY 2729#if EV_MULTIPLICITY
2634 /* it is permissible to try to feed a signal to the wrong loop */ 2730 /* it is permissible to try to feed a signal to the wrong loop */
2635 /* or, likely more useful, feeding a signal nobody is waiting for */ 2731 /* or, likely more useful, feeding a signal nobody is waiting for */
2636 2732
2637 if (expect_false (signals [signum].loop != EV_A)) 2733 if (ecb_expect_false (signals [signum].loop != EV_A))
2638 return; 2734 return;
2639#endif 2735#endif
2640 2736
2641 signals [signum].pending = 0; 2737 signals [signum].pending = 0;
2642 ECB_MEMORY_FENCE_RELEASE; 2738 ECB_MEMORY_FENCE_RELEASE;
2741# include "ev_epoll.c" 2837# include "ev_epoll.c"
2742#endif 2838#endif
2743#if EV_USE_LINUXAIO 2839#if EV_USE_LINUXAIO
2744# include "ev_linuxaio.c" 2840# include "ev_linuxaio.c"
2745#endif 2841#endif
2842#if EV_USE_IOURING
2843# include "ev_iouring.c"
2844#endif
2746#if EV_USE_POLL 2845#if EV_USE_POLL
2747# include "ev_poll.c" 2846# include "ev_poll.c"
2748#endif 2847#endif
2749#if EV_USE_SELECT 2848#if EV_USE_SELECT
2750# include "ev_select.c" 2849# include "ev_select.c"
2782 2881
2783 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2882 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2784 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; 2883 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2785 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2884 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2786 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; 2885 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2886 if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2787 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2887 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2788 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; 2888 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2789 2889
2790 return flags; 2890 return flags;
2791} 2891}
2812 2912
2813 /* TODO: linuxaio is very experimental */ 2913 /* TODO: linuxaio is very experimental */
2814#if !EV_RECOMMEND_LINUXAIO 2914#if !EV_RECOMMEND_LINUXAIO
2815 flags &= ~EVBACKEND_LINUXAIO; 2915 flags &= ~EVBACKEND_LINUXAIO;
2816#endif 2916#endif
2917 /* TODO: linuxaio is super experimental */
2918#if !EV_RECOMMEND_IOURING
2919 flags &= ~EVBACKEND_IOURING;
2920#endif
2817 2921
2818 return flags; 2922 return flags;
2819} 2923}
2820 2924
2821ecb_cold 2925ecb_cold
2826 2930
2827 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2931 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2828 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2932 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2829 flags &= ~EVBACKEND_EPOLL; 2933 flags &= ~EVBACKEND_EPOLL;
2830 2934
2935 /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
2936
2937 /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
2938 * because our backend_fd is the epoll fd we need as fallback.
2939 * if the kernel ever is fixed, this might change...
2940 */
2941
2831 return flags; 2942 return flags;
2832} 2943}
2833 2944
2834unsigned int 2945unsigned int
2835ev_backend (EV_P) EV_NOEXCEPT 2946ev_backend (EV_P) EV_NOEXCEPT
2887 acquire_cb = acquire; 2998 acquire_cb = acquire;
2888} 2999}
2889#endif 3000#endif
2890 3001
2891/* initialise a loop structure, must be zero-initialised */ 3002/* initialise a loop structure, must be zero-initialised */
2892noinline ecb_cold 3003ecb_noinline ecb_cold
2893static void 3004static void
2894loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT 3005loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2895{ 3006{
2896 if (!backend) 3007 if (!backend)
2897 { 3008 {
2965 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 3076 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2966#endif 3077#endif
2967#if EV_USE_KQUEUE 3078#if EV_USE_KQUEUE
2968 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); 3079 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2969#endif 3080#endif
3081#if EV_USE_IOURING
3082 if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
3083#endif
2970#if EV_USE_LINUXAIO 3084#if EV_USE_LINUXAIO
2971 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); 3085 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2972#endif 3086#endif
2973#if EV_USE_EPOLL 3087#if EV_USE_EPOLL
2974 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 3088 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
3002 return; 3116 return;
3003#endif 3117#endif
3004 3118
3005#if EV_CLEANUP_ENABLE 3119#if EV_CLEANUP_ENABLE
3006 /* queue cleanup watchers (and execute them) */ 3120 /* queue cleanup watchers (and execute them) */
3007 if (expect_false (cleanupcnt)) 3121 if (ecb_expect_false (cleanupcnt))
3008 { 3122 {
3009 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); 3123 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
3010 EV_INVOKE_PENDING; 3124 EV_INVOKE_PENDING;
3011 } 3125 }
3012#endif 3126#endif
3047#if EV_USE_PORT 3161#if EV_USE_PORT
3048 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3162 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3049#endif 3163#endif
3050#if EV_USE_KQUEUE 3164#if EV_USE_KQUEUE
3051 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); 3165 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3166#endif
3167#if EV_USE_IOURING
3168 if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
3052#endif 3169#endif
3053#if EV_USE_LINUXAIO 3170#if EV_USE_LINUXAIO
3054 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); 3171 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3055#endif 3172#endif
3056#if EV_USE_EPOLL 3173#if EV_USE_EPOLL
3115 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3232 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3116#endif 3233#endif
3117#if EV_USE_KQUEUE 3234#if EV_USE_KQUEUE
3118 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); 3235 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3119#endif 3236#endif
3237#if EV_USE_IOURING
3238 if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
3239#endif
3120#if EV_USE_LINUXAIO 3240#if EV_USE_LINUXAIO
3121 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); 3241 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3122#endif 3242#endif
3123#if EV_USE_EPOLL 3243#if EV_USE_EPOLL
3124 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3244 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
3166} 3286}
3167 3287
3168#endif /* multiplicity */ 3288#endif /* multiplicity */
3169 3289
3170#if EV_VERIFY 3290#if EV_VERIFY
3171noinline ecb_cold 3291ecb_noinline ecb_cold
3172static void 3292static void
3173verify_watcher (EV_P_ W w) 3293verify_watcher (EV_P_ W w)
3174{ 3294{
3175 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 3295 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
3176 3296
3177 if (w->pending) 3297 if (w->pending)
3178 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 3298 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
3179} 3299}
3180 3300
3181noinline ecb_cold 3301ecb_noinline ecb_cold
3182static void 3302static void
3183verify_heap (EV_P_ ANHE *heap, int N) 3303verify_heap (EV_P_ ANHE *heap, int N)
3184{ 3304{
3185 int i; 3305 int i;
3186 3306
3192 3312
3193 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 3313 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
3194 } 3314 }
3195} 3315}
3196 3316
3197noinline ecb_cold 3317ecb_noinline ecb_cold
3198static void 3318static void
3199array_verify (EV_P_ W *ws, int cnt) 3319array_verify (EV_P_ W *ws, int cnt)
3200{ 3320{
3201 while (cnt--) 3321 while (cnt--)
3202 { 3322 {
3351 count += pendingcnt [pri]; 3471 count += pendingcnt [pri];
3352 3472
3353 return count; 3473 return count;
3354} 3474}
3355 3475
3356noinline 3476ecb_noinline
3357void 3477void
3358ev_invoke_pending (EV_P) 3478ev_invoke_pending (EV_P)
3359{ 3479{
3360 pendingpri = NUMPRI; 3480 pendingpri = NUMPRI;
3361 3481
3380/* make idle watchers pending. this handles the "call-idle */ 3500/* make idle watchers pending. this handles the "call-idle */
3381/* only when higher priorities are idle" logic */ 3501/* only when higher priorities are idle" logic */
3382inline_size void 3502inline_size void
3383idle_reify (EV_P) 3503idle_reify (EV_P)
3384{ 3504{
3385 if (expect_false (idleall)) 3505 if (ecb_expect_false (idleall))
3386 { 3506 {
3387 int pri; 3507 int pri;
3388 3508
3389 for (pri = NUMPRI; pri--; ) 3509 for (pri = NUMPRI; pri--; )
3390 { 3510 {
3439 } 3559 }
3440} 3560}
3441 3561
3442#if EV_PERIODIC_ENABLE 3562#if EV_PERIODIC_ENABLE
3443 3563
3444noinline 3564ecb_noinline
3445static void 3565static void
3446periodic_recalc (EV_P_ ev_periodic *w) 3566periodic_recalc (EV_P_ ev_periodic *w)
3447{ 3567{
3448 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; 3568 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3449 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); 3569 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3452 while (at <= ev_rt_now) 3572 while (at <= ev_rt_now)
3453 { 3573 {
3454 ev_tstamp nat = at + w->interval; 3574 ev_tstamp nat = at + w->interval;
3455 3575
3456 /* when resolution fails us, we use ev_rt_now */ 3576 /* when resolution fails us, we use ev_rt_now */
3457 if (expect_false (nat == at)) 3577 if (ecb_expect_false (nat == at))
3458 { 3578 {
3459 at = ev_rt_now; 3579 at = ev_rt_now;
3460 break; 3580 break;
3461 } 3581 }
3462 3582
3508 } 3628 }
3509} 3629}
3510 3630
3511/* simply recalculate all periodics */ 3631/* simply recalculate all periodics */
3512/* TODO: maybe ensure that at least one event happens when jumping forward? */ 3632/* TODO: maybe ensure that at least one event happens when jumping forward? */
3513noinline ecb_cold 3633ecb_noinline ecb_cold
3514static void 3634static void
3515periodics_reschedule (EV_P) 3635periodics_reschedule (EV_P)
3516{ 3636{
3517 int i; 3637 int i;
3518 3638
3532 reheap (periodics, periodiccnt); 3652 reheap (periodics, periodiccnt);
3533} 3653}
3534#endif 3654#endif
3535 3655
3536/* adjust all timers by a given offset */ 3656/* adjust all timers by a given offset */
3537noinline ecb_cold 3657ecb_noinline ecb_cold
3538static void 3658static void
3539timers_reschedule (EV_P_ ev_tstamp adjust) 3659timers_reschedule (EV_P_ ev_tstamp adjust)
3540{ 3660{
3541 int i; 3661 int i;
3542 3662
3552/* also detect if there was a timejump, and act accordingly */ 3672/* also detect if there was a timejump, and act accordingly */
3553inline_speed void 3673inline_speed void
3554time_update (EV_P_ ev_tstamp max_block) 3674time_update (EV_P_ ev_tstamp max_block)
3555{ 3675{
3556#if EV_USE_MONOTONIC 3676#if EV_USE_MONOTONIC
3557 if (expect_true (have_monotonic)) 3677 if (ecb_expect_true (have_monotonic))
3558 { 3678 {
3559 int i; 3679 int i;
3560 ev_tstamp odiff = rtmn_diff; 3680 ev_tstamp odiff = rtmn_diff;
3561 3681
3562 mn_now = get_clock (); 3682 mn_now = get_clock ();
3563 3683
3564 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ 3684 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3565 /* interpolate in the meantime */ 3685 /* interpolate in the meantime */
3566 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 3686 if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3567 { 3687 {
3568 ev_rt_now = rtmn_diff + mn_now; 3688 ev_rt_now = rtmn_diff + mn_now;
3569 return; 3689 return;
3570 } 3690 }
3571 3691
3585 ev_tstamp diff; 3705 ev_tstamp diff;
3586 rtmn_diff = ev_rt_now - mn_now; 3706 rtmn_diff = ev_rt_now - mn_now;
3587 3707
3588 diff = odiff - rtmn_diff; 3708 diff = odiff - rtmn_diff;
3589 3709
3590 if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) 3710 if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3591 return; /* all is well */ 3711 return; /* all is well */
3592 3712
3593 ev_rt_now = ev_time (); 3713 ev_rt_now = ev_time ();
3594 mn_now = get_clock (); 3714 mn_now = get_clock ();
3595 now_floor = mn_now; 3715 now_floor = mn_now;
3604 else 3724 else
3605#endif 3725#endif
3606 { 3726 {
3607 ev_rt_now = ev_time (); 3727 ev_rt_now = ev_time ();
3608 3728
3609 if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) 3729 if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3610 { 3730 {
3611 /* adjust timers. this is easy, as the offset is the same for all of them */ 3731 /* adjust timers. this is easy, as the offset is the same for all of them */
3612 timers_reschedule (EV_A_ ev_rt_now - mn_now); 3732 timers_reschedule (EV_A_ ev_rt_now - mn_now);
3613#if EV_PERIODIC_ENABLE 3733#if EV_PERIODIC_ENABLE
3614 periodics_reschedule (EV_A); 3734 periodics_reschedule (EV_A);
3637#if EV_VERIFY >= 2 3757#if EV_VERIFY >= 2
3638 ev_verify (EV_A); 3758 ev_verify (EV_A);
3639#endif 3759#endif
3640 3760
3641#ifndef _WIN32 3761#ifndef _WIN32
3642 if (expect_false (curpid)) /* penalise the forking check even more */ 3762 if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3643 if (expect_false (getpid () != curpid)) 3763 if (ecb_expect_false (getpid () != curpid))
3644 { 3764 {
3645 curpid = getpid (); 3765 curpid = getpid ();
3646 postfork = 1; 3766 postfork = 1;
3647 } 3767 }
3648#endif 3768#endif
3649 3769
3650#if EV_FORK_ENABLE 3770#if EV_FORK_ENABLE
3651 /* we might have forked, so queue fork handlers */ 3771 /* we might have forked, so queue fork handlers */
3652 if (expect_false (postfork)) 3772 if (ecb_expect_false (postfork))
3653 if (forkcnt) 3773 if (forkcnt)
3654 { 3774 {
3655 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 3775 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3656 EV_INVOKE_PENDING; 3776 EV_INVOKE_PENDING;
3657 } 3777 }
3658#endif 3778#endif
3659 3779
3660#if EV_PREPARE_ENABLE 3780#if EV_PREPARE_ENABLE
3661 /* queue prepare watchers (and execute them) */ 3781 /* queue prepare watchers (and execute them) */
3662 if (expect_false (preparecnt)) 3782 if (ecb_expect_false (preparecnt))
3663 { 3783 {
3664 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 3784 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3665 EV_INVOKE_PENDING; 3785 EV_INVOKE_PENDING;
3666 } 3786 }
3667#endif 3787#endif
3668 3788
3669 if (expect_false (loop_done)) 3789 if (ecb_expect_false (loop_done))
3670 break; 3790 break;
3671 3791
3672 /* we might have forked, so reify kernel state if necessary */ 3792 /* we might have forked, so reify kernel state if necessary */
3673 if (expect_false (postfork)) 3793 if (ecb_expect_false (postfork))
3674 loop_fork (EV_A); 3794 loop_fork (EV_A);
3675 3795
3676 /* update fd-related kernel structures */ 3796 /* update fd-related kernel structures */
3677 fd_reify (EV_A); 3797 fd_reify (EV_A);
3678 3798
3690 /* from now on, we want a pipe-wake-up */ 3810 /* from now on, we want a pipe-wake-up */
3691 pipe_write_wanted = 1; 3811 pipe_write_wanted = 1;
3692 3812
3693 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ 3813 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3694 3814
3695 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 3815 if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3696 { 3816 {
3697 waittime = MAX_BLOCKTIME; 3817 waittime = MAX_BLOCKTIME;
3698 3818
3699 if (timercnt) 3819 if (timercnt)
3700 { 3820 {
3709 if (waittime > to) waittime = to; 3829 if (waittime > to) waittime = to;
3710 } 3830 }
3711#endif 3831#endif
3712 3832
3713 /* don't let timeouts decrease the waittime below timeout_blocktime */ 3833 /* don't let timeouts decrease the waittime below timeout_blocktime */
3714 if (expect_false (waittime < timeout_blocktime)) 3834 if (ecb_expect_false (waittime < timeout_blocktime))
3715 waittime = timeout_blocktime; 3835 waittime = timeout_blocktime;
3716 3836
3717 /* at this point, we NEED to wait, so we have to ensure */ 3837 /* at this point, we NEED to wait, so we have to ensure */
3718 /* to pass a minimum nonzero value to the backend */ 3838 /* to pass a minimum nonzero value to the backend */
3719 if (expect_false (waittime < backend_mintime)) 3839 if (ecb_expect_false (waittime < backend_mintime))
3720 waittime = backend_mintime; 3840 waittime = backend_mintime;
3721 3841
3722 /* extra check because io_blocktime is commonly 0 */ 3842 /* extra check because io_blocktime is commonly 0 */
3723 if (expect_false (io_blocktime)) 3843 if (ecb_expect_false (io_blocktime))
3724 { 3844 {
3725 sleeptime = io_blocktime - (mn_now - prev_mn_now); 3845 sleeptime = io_blocktime - (mn_now - prev_mn_now);
3726 3846
3727 if (sleeptime > waittime - backend_mintime) 3847 if (sleeptime > waittime - backend_mintime)
3728 sleeptime = waittime - backend_mintime; 3848 sleeptime = waittime - backend_mintime;
3729 3849
3730 if (expect_true (sleeptime > 0.)) 3850 if (ecb_expect_true (sleeptime > 0.))
3731 { 3851 {
3732 ev_sleep (sleeptime); 3852 ev_sleep (sleeptime);
3733 waittime -= sleeptime; 3853 waittime -= sleeptime;
3734 } 3854 }
3735 } 3855 }
3749 { 3869 {
3750 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3870 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3751 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3871 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3752 } 3872 }
3753 3873
3754
3755 /* update ev_rt_now, do magic */ 3874 /* update ev_rt_now, do magic */
3756 time_update (EV_A_ waittime + sleeptime); 3875 time_update (EV_A_ waittime + sleeptime);
3757 } 3876 }
3758 3877
3759 /* queue pending timers and reschedule them */ 3878 /* queue pending timers and reschedule them */
3767 idle_reify (EV_A); 3886 idle_reify (EV_A);
3768#endif 3887#endif
3769 3888
3770#if EV_CHECK_ENABLE 3889#if EV_CHECK_ENABLE
3771 /* queue check watchers, to be executed first */ 3890 /* queue check watchers, to be executed first */
3772 if (expect_false (checkcnt)) 3891 if (ecb_expect_false (checkcnt))
3773 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 3892 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3774#endif 3893#endif
3775 3894
3776 EV_INVOKE_PENDING; 3895 EV_INVOKE_PENDING;
3777 } 3896 }
3778 while (expect_true ( 3897 while (ecb_expect_true (
3779 activecnt 3898 activecnt
3780 && !loop_done 3899 && !loop_done
3781 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) 3900 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3782 )); 3901 ));
3783 3902
3847inline_size void 3966inline_size void
3848wlist_del (WL *head, WL elem) 3967wlist_del (WL *head, WL elem)
3849{ 3968{
3850 while (*head) 3969 while (*head)
3851 { 3970 {
3852 if (expect_true (*head == elem)) 3971 if (ecb_expect_true (*head == elem))
3853 { 3972 {
3854 *head = elem->next; 3973 *head = elem->next;
3855 break; 3974 break;
3856 } 3975 }
3857 3976
3874ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT 3993ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3875{ 3994{
3876 W w_ = (W)w; 3995 W w_ = (W)w;
3877 int pending = w_->pending; 3996 int pending = w_->pending;
3878 3997
3879 if (expect_true (pending)) 3998 if (ecb_expect_true (pending))
3880 { 3999 {
3881 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; 4000 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3882 p->w = (W)&pending_w; 4001 p->w = (W)&pending_w;
3883 w_->pending = 0; 4002 w_->pending = 0;
3884 return p->events; 4003 return p->events;
3911 w->active = 0; 4030 w->active = 0;
3912} 4031}
3913 4032
3914/*****************************************************************************/ 4033/*****************************************************************************/
3915 4034
3916noinline 4035ecb_noinline
3917void 4036void
3918ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT 4037ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3919{ 4038{
3920 int fd = w->fd; 4039 int fd = w->fd;
3921 4040
3922 if (expect_false (ev_is_active (w))) 4041 if (ecb_expect_false (ev_is_active (w)))
3923 return; 4042 return;
3924 4043
3925 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 4044 assert (("libev: ev_io_start called with negative fd", fd >= 0));
3926 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 4045 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3927 4046
3941 w->events &= ~EV__IOFDSET; 4060 w->events &= ~EV__IOFDSET;
3942 4061
3943 EV_FREQUENT_CHECK; 4062 EV_FREQUENT_CHECK;
3944} 4063}
3945 4064
3946noinline 4065ecb_noinline
3947void 4066void
3948ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT 4067ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3949{ 4068{
3950 clear_pending (EV_A_ (W)w); 4069 clear_pending (EV_A_ (W)w);
3951 if (expect_false (!ev_is_active (w))) 4070 if (ecb_expect_false (!ev_is_active (w)))
3952 return; 4071 return;
3953 4072
3954 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 4073 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3955 4074
3956#if EV_VERIFY >= 2 4075#if EV_VERIFY >= 2
3964 fd_change (EV_A_ w->fd, EV_ANFD_REIFY); 4083 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3965 4084
3966 EV_FREQUENT_CHECK; 4085 EV_FREQUENT_CHECK;
3967} 4086}
3968 4087
3969noinline 4088ecb_noinline
3970void 4089void
3971ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT 4090ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3972{ 4091{
3973 if (expect_false (ev_is_active (w))) 4092 if (ecb_expect_false (ev_is_active (w)))
3974 return; 4093 return;
3975 4094
3976 ev_at (w) += mn_now; 4095 ev_at (w) += mn_now;
3977 4096
3978 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 4097 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3989 EV_FREQUENT_CHECK; 4108 EV_FREQUENT_CHECK;
3990 4109
3991 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 4110 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3992} 4111}
3993 4112
3994noinline 4113ecb_noinline
3995void 4114void
3996ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT 4115ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3997{ 4116{
3998 clear_pending (EV_A_ (W)w); 4117 clear_pending (EV_A_ (W)w);
3999 if (expect_false (!ev_is_active (w))) 4118 if (ecb_expect_false (!ev_is_active (w)))
4000 return; 4119 return;
4001 4120
4002 EV_FREQUENT_CHECK; 4121 EV_FREQUENT_CHECK;
4003 4122
4004 { 4123 {
4006 4125
4007 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); 4126 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
4008 4127
4009 --timercnt; 4128 --timercnt;
4010 4129
4011 if (expect_true (active < timercnt + HEAP0)) 4130 if (ecb_expect_true (active < timercnt + HEAP0))
4012 { 4131 {
4013 timers [active] = timers [timercnt + HEAP0]; 4132 timers [active] = timers [timercnt + HEAP0];
4014 adjustheap (timers, timercnt, active); 4133 adjustheap (timers, timercnt, active);
4015 } 4134 }
4016 } 4135 }
4020 ev_stop (EV_A_ (W)w); 4139 ev_stop (EV_A_ (W)w);
4021 4140
4022 EV_FREQUENT_CHECK; 4141 EV_FREQUENT_CHECK;
4023} 4142}
4024 4143
4025noinline 4144ecb_noinline
4026void 4145void
4027ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT 4146ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
4028{ 4147{
4029 EV_FREQUENT_CHECK; 4148 EV_FREQUENT_CHECK;
4030 4149
4055{ 4174{
4056 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4175 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
4057} 4176}
4058 4177
4059#if EV_PERIODIC_ENABLE 4178#if EV_PERIODIC_ENABLE
4060noinline 4179ecb_noinline
4061void 4180void
4062ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT 4181ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4063{ 4182{
4064 if (expect_false (ev_is_active (w))) 4183 if (ecb_expect_false (ev_is_active (w)))
4065 return; 4184 return;
4066 4185
4067 if (w->reschedule_cb) 4186 if (w->reschedule_cb)
4068 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 4187 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
4069 else if (w->interval) 4188 else if (w->interval)
4086 EV_FREQUENT_CHECK; 4205 EV_FREQUENT_CHECK;
4087 4206
4088 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4207 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4089} 4208}
4090 4209
4091noinline 4210ecb_noinline
4092void 4211void
4093ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT 4212ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4094{ 4213{
4095 clear_pending (EV_A_ (W)w); 4214 clear_pending (EV_A_ (W)w);
4096 if (expect_false (!ev_is_active (w))) 4215 if (ecb_expect_false (!ev_is_active (w)))
4097 return; 4216 return;
4098 4217
4099 EV_FREQUENT_CHECK; 4218 EV_FREQUENT_CHECK;
4100 4219
4101 { 4220 {
4103 4222
4104 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); 4223 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
4105 4224
4106 --periodiccnt; 4225 --periodiccnt;
4107 4226
4108 if (expect_true (active < periodiccnt + HEAP0)) 4227 if (ecb_expect_true (active < periodiccnt + HEAP0))
4109 { 4228 {
4110 periodics [active] = periodics [periodiccnt + HEAP0]; 4229 periodics [active] = periodics [periodiccnt + HEAP0];
4111 adjustheap (periodics, periodiccnt, active); 4230 adjustheap (periodics, periodiccnt, active);
4112 } 4231 }
4113 } 4232 }
4115 ev_stop (EV_A_ (W)w); 4234 ev_stop (EV_A_ (W)w);
4116 4235
4117 EV_FREQUENT_CHECK; 4236 EV_FREQUENT_CHECK;
4118} 4237}
4119 4238
4120noinline 4239ecb_noinline
4121void 4240void
4122ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT 4241ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4123{ 4242{
4124 /* TODO: use adjustheap and recalculation */ 4243 /* TODO: use adjustheap and recalculation */
4125 ev_periodic_stop (EV_A_ w); 4244 ev_periodic_stop (EV_A_ w);
4131# define SA_RESTART 0 4250# define SA_RESTART 0
4132#endif 4251#endif
4133 4252
4134#if EV_SIGNAL_ENABLE 4253#if EV_SIGNAL_ENABLE
4135 4254
4136noinline 4255ecb_noinline
4137void 4256void
4138ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT 4257ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4139{ 4258{
4140 if (expect_false (ev_is_active (w))) 4259 if (ecb_expect_false (ev_is_active (w)))
4141 return; 4260 return;
4142 4261
4143 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4262 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
4144 4263
4145#if EV_MULTIPLICITY 4264#if EV_MULTIPLICITY
4214 } 4333 }
4215 4334
4216 EV_FREQUENT_CHECK; 4335 EV_FREQUENT_CHECK;
4217} 4336}
4218 4337
4219noinline 4338ecb_noinline
4220void 4339void
4221ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT 4340ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4222{ 4341{
4223 clear_pending (EV_A_ (W)w); 4342 clear_pending (EV_A_ (W)w);
4224 if (expect_false (!ev_is_active (w))) 4343 if (ecb_expect_false (!ev_is_active (w)))
4225 return; 4344 return;
4226 4345
4227 EV_FREQUENT_CHECK; 4346 EV_FREQUENT_CHECK;
4228 4347
4229 wlist_del (&signals [w->signum - 1].head, (WL)w); 4348 wlist_del (&signals [w->signum - 1].head, (WL)w);
4262ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT 4381ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4263{ 4382{
4264#if EV_MULTIPLICITY 4383#if EV_MULTIPLICITY
4265 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4384 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4266#endif 4385#endif
4267 if (expect_false (ev_is_active (w))) 4386 if (ecb_expect_false (ev_is_active (w)))
4268 return; 4387 return;
4269 4388
4270 EV_FREQUENT_CHECK; 4389 EV_FREQUENT_CHECK;
4271 4390
4272 ev_start (EV_A_ (W)w, 1); 4391 ev_start (EV_A_ (W)w, 1);
4277 4396
4278void 4397void
4279ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT 4398ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4280{ 4399{
4281 clear_pending (EV_A_ (W)w); 4400 clear_pending (EV_A_ (W)w);
4282 if (expect_false (!ev_is_active (w))) 4401 if (ecb_expect_false (!ev_is_active (w)))
4283 return; 4402 return;
4284 4403
4285 EV_FREQUENT_CHECK; 4404 EV_FREQUENT_CHECK;
4286 4405
4287 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); 4406 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
4301 4420
4302#define DEF_STAT_INTERVAL 5.0074891 4421#define DEF_STAT_INTERVAL 5.0074891
4303#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ 4422#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4304#define MIN_STAT_INTERVAL 0.1074891 4423#define MIN_STAT_INTERVAL 0.1074891
4305 4424
4306noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); 4425ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4307 4426
4308#if EV_USE_INOTIFY 4427#if EV_USE_INOTIFY
4309 4428
4310/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ 4429/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
4311# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 4430# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4312 4431
4313noinline 4432ecb_noinline
4314static void 4433static void
4315infy_add (EV_P_ ev_stat *w) 4434infy_add (EV_P_ ev_stat *w)
4316{ 4435{
4317 w->wd = inotify_add_watch (fs_fd, w->path, 4436 w->wd = inotify_add_watch (fs_fd, w->path,
4318 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY 4437 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4383 if (ev_is_active (&w->timer)) ev_ref (EV_A); 4502 if (ev_is_active (&w->timer)) ev_ref (EV_A);
4384 ev_timer_again (EV_A_ &w->timer); 4503 ev_timer_again (EV_A_ &w->timer);
4385 if (ev_is_active (&w->timer)) ev_unref (EV_A); 4504 if (ev_is_active (&w->timer)) ev_unref (EV_A);
4386} 4505}
4387 4506
4388noinline 4507ecb_noinline
4389static void 4508static void
4390infy_del (EV_P_ ev_stat *w) 4509infy_del (EV_P_ ev_stat *w)
4391{ 4510{
4392 int slot; 4511 int slot;
4393 int wd = w->wd; 4512 int wd = w->wd;
4401 4520
4402 /* remove this watcher, if others are watching it, they will rearm */ 4521 /* remove this watcher, if others are watching it, they will rearm */
4403 inotify_rm_watch (fs_fd, wd); 4522 inotify_rm_watch (fs_fd, wd);
4404} 4523}
4405 4524
4406noinline 4525ecb_noinline
4407static void 4526static void
4408infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 4527infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4409{ 4528{
4410 if (slot < 0) 4529 if (slot < 0)
4411 /* overflow, need to check for all hash slots */ 4530 /* overflow, need to check for all hash slots */
4557 w->attr.st_nlink = 0; 4676 w->attr.st_nlink = 0;
4558 else if (!w->attr.st_nlink) 4677 else if (!w->attr.st_nlink)
4559 w->attr.st_nlink = 1; 4678 w->attr.st_nlink = 1;
4560} 4679}
4561 4680
4562noinline 4681ecb_noinline
4563static void 4682static void
4564stat_timer_cb (EV_P_ ev_timer *w_, int revents) 4683stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4565{ 4684{
4566 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 4685 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4567 4686
4601} 4720}
4602 4721
4603void 4722void
4604ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT 4723ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4605{ 4724{
4606 if (expect_false (ev_is_active (w))) 4725 if (ecb_expect_false (ev_is_active (w)))
4607 return; 4726 return;
4608 4727
4609 ev_stat_stat (EV_A_ w); 4728 ev_stat_stat (EV_A_ w);
4610 4729
4611 if (w->interval < MIN_STAT_INTERVAL && w->interval) 4730 if (w->interval < MIN_STAT_INTERVAL && w->interval)
4633 4752
4634void 4753void
4635ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT 4754ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4636{ 4755{
4637 clear_pending (EV_A_ (W)w); 4756 clear_pending (EV_A_ (W)w);
4638 if (expect_false (!ev_is_active (w))) 4757 if (ecb_expect_false (!ev_is_active (w)))
4639 return; 4758 return;
4640 4759
4641 EV_FREQUENT_CHECK; 4760 EV_FREQUENT_CHECK;
4642 4761
4643#if EV_USE_INOTIFY 4762#if EV_USE_INOTIFY
4658 4777
4659#if EV_IDLE_ENABLE 4778#if EV_IDLE_ENABLE
4660void 4779void
4661ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT 4780ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4662{ 4781{
4663 if (expect_false (ev_is_active (w))) 4782 if (ecb_expect_false (ev_is_active (w)))
4664 return; 4783 return;
4665 4784
4666 pri_adjust (EV_A_ (W)w); 4785 pri_adjust (EV_A_ (W)w);
4667 4786
4668 EV_FREQUENT_CHECK; 4787 EV_FREQUENT_CHECK;
4682 4801
4683void 4802void
4684ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT 4803ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4685{ 4804{
4686 clear_pending (EV_A_ (W)w); 4805 clear_pending (EV_A_ (W)w);
4687 if (expect_false (!ev_is_active (w))) 4806 if (ecb_expect_false (!ev_is_active (w)))
4688 return; 4807 return;
4689 4808
4690 EV_FREQUENT_CHECK; 4809 EV_FREQUENT_CHECK;
4691 4810
4692 { 4811 {
4705 4824
4706#if EV_PREPARE_ENABLE 4825#if EV_PREPARE_ENABLE
4707void 4826void
4708ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT 4827ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4709{ 4828{
4710 if (expect_false (ev_is_active (w))) 4829 if (ecb_expect_false (ev_is_active (w)))
4711 return; 4830 return;
4712 4831
4713 EV_FREQUENT_CHECK; 4832 EV_FREQUENT_CHECK;
4714 4833
4715 ev_start (EV_A_ (W)w, ++preparecnt); 4834 ev_start (EV_A_ (W)w, ++preparecnt);
4721 4840
4722void 4841void
4723ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT 4842ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4724{ 4843{
4725 clear_pending (EV_A_ (W)w); 4844 clear_pending (EV_A_ (W)w);
4726 if (expect_false (!ev_is_active (w))) 4845 if (ecb_expect_false (!ev_is_active (w)))
4727 return; 4846 return;
4728 4847
4729 EV_FREQUENT_CHECK; 4848 EV_FREQUENT_CHECK;
4730 4849
4731 { 4850 {
4743 4862
4744#if EV_CHECK_ENABLE 4863#if EV_CHECK_ENABLE
4745void 4864void
4746ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT 4865ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4747{ 4866{
4748 if (expect_false (ev_is_active (w))) 4867 if (ecb_expect_false (ev_is_active (w)))
4749 return; 4868 return;
4750 4869
4751 EV_FREQUENT_CHECK; 4870 EV_FREQUENT_CHECK;
4752 4871
4753 ev_start (EV_A_ (W)w, ++checkcnt); 4872 ev_start (EV_A_ (W)w, ++checkcnt);
4759 4878
4760void 4879void
4761ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT 4880ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4762{ 4881{
4763 clear_pending (EV_A_ (W)w); 4882 clear_pending (EV_A_ (W)w);
4764 if (expect_false (!ev_is_active (w))) 4883 if (ecb_expect_false (!ev_is_active (w)))
4765 return; 4884 return;
4766 4885
4767 EV_FREQUENT_CHECK; 4886 EV_FREQUENT_CHECK;
4768 4887
4769 { 4888 {
4778 EV_FREQUENT_CHECK; 4897 EV_FREQUENT_CHECK;
4779} 4898}
4780#endif 4899#endif
4781 4900
4782#if EV_EMBED_ENABLE 4901#if EV_EMBED_ENABLE
4783noinline 4902ecb_noinline
4784void 4903void
4785ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT 4904ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4786{ 4905{
4787 ev_run (w->other, EVRUN_NOWAIT); 4906 ev_run (w->other, EVRUN_NOWAIT);
4788} 4907}
4840#endif 4959#endif
4841 4960
4842void 4961void
4843ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT 4962ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4844{ 4963{
4845 if (expect_false (ev_is_active (w))) 4964 if (ecb_expect_false (ev_is_active (w)))
4846 return; 4965 return;
4847 4966
4848 { 4967 {
4849 EV_P = w->other; 4968 EV_P = w->other;
4850 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 4969 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
4872 4991
4873void 4992void
4874ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT 4993ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4875{ 4994{
4876 clear_pending (EV_A_ (W)w); 4995 clear_pending (EV_A_ (W)w);
4877 if (expect_false (!ev_is_active (w))) 4996 if (ecb_expect_false (!ev_is_active (w)))
4878 return; 4997 return;
4879 4998
4880 EV_FREQUENT_CHECK; 4999 EV_FREQUENT_CHECK;
4881 5000
4882 ev_io_stop (EV_A_ &w->io); 5001 ev_io_stop (EV_A_ &w->io);
4891 5010
4892#if EV_FORK_ENABLE 5011#if EV_FORK_ENABLE
4893void 5012void
4894ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT 5013ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4895{ 5014{
4896 if (expect_false (ev_is_active (w))) 5015 if (ecb_expect_false (ev_is_active (w)))
4897 return; 5016 return;
4898 5017
4899 EV_FREQUENT_CHECK; 5018 EV_FREQUENT_CHECK;
4900 5019
4901 ev_start (EV_A_ (W)w, ++forkcnt); 5020 ev_start (EV_A_ (W)w, ++forkcnt);
4907 5026
4908void 5027void
4909ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT 5028ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4910{ 5029{
4911 clear_pending (EV_A_ (W)w); 5030 clear_pending (EV_A_ (W)w);
4912 if (expect_false (!ev_is_active (w))) 5031 if (ecb_expect_false (!ev_is_active (w)))
4913 return; 5032 return;
4914 5033
4915 EV_FREQUENT_CHECK; 5034 EV_FREQUENT_CHECK;
4916 5035
4917 { 5036 {
4929 5048
4930#if EV_CLEANUP_ENABLE 5049#if EV_CLEANUP_ENABLE
4931void 5050void
4932ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5051ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4933{ 5052{
4934 if (expect_false (ev_is_active (w))) 5053 if (ecb_expect_false (ev_is_active (w)))
4935 return; 5054 return;
4936 5055
4937 EV_FREQUENT_CHECK; 5056 EV_FREQUENT_CHECK;
4938 5057
4939 ev_start (EV_A_ (W)w, ++cleanupcnt); 5058 ev_start (EV_A_ (W)w, ++cleanupcnt);
4947 5066
4948void 5067void
4949ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5068ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4950{ 5069{
4951 clear_pending (EV_A_ (W)w); 5070 clear_pending (EV_A_ (W)w);
4952 if (expect_false (!ev_is_active (w))) 5071 if (ecb_expect_false (!ev_is_active (w)))
4953 return; 5072 return;
4954 5073
4955 EV_FREQUENT_CHECK; 5074 EV_FREQUENT_CHECK;
4956 ev_ref (EV_A); 5075 ev_ref (EV_A);
4957 5076
4970 5089
4971#if EV_ASYNC_ENABLE 5090#if EV_ASYNC_ENABLE
4972void 5091void
4973ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT 5092ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4974{ 5093{
4975 if (expect_false (ev_is_active (w))) 5094 if (ecb_expect_false (ev_is_active (w)))
4976 return; 5095 return;
4977 5096
4978 w->sent = 0; 5097 w->sent = 0;
4979 5098
4980 evpipe_init (EV_A); 5099 evpipe_init (EV_A);
4990 5109
4991void 5110void
4992ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT 5111ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4993{ 5112{
4994 clear_pending (EV_A_ (W)w); 5113 clear_pending (EV_A_ (W)w);
4995 if (expect_false (!ev_is_active (w))) 5114 if (ecb_expect_false (!ev_is_active (w)))
4996 return; 5115 return;
4997 5116
4998 EV_FREQUENT_CHECK; 5117 EV_FREQUENT_CHECK;
4999 5118
5000 { 5119 {

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