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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 1.505 by root, Wed Jul 10 14:25:35 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 "always" 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 larger than 32 bit, and maybe the unlikely floating 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)
551#define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e6)
552#define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e9)
517 553
518/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ 554/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
519/* ECB.H BEGIN */ 555/* ECB.H BEGIN */
520/* 556/*
521 * libecb - http://software.schmorp.de/pkg/libecb 557 * libecb - http://software.schmorp.de/pkg/libecb
… …
1536/* ECB.H END */ 1572/* ECB.H END */
1537 1573
1538#if ECB_MEMORY_FENCE_NEEDS_PTHREADS 1574#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1539/* if your architecture doesn't need memory fences, e.g. because it is 1575/* 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 1576 * 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 1577 * from multiple threads, then you can define ECB_NO_THREADS when compiling
1542 * libev, in which cases the memory fences become nops. 1578 * libev, in which cases the memory fences become nops.
1543 * alternatively, you can remove this #error and link against libpthread, 1579 * alternatively, you can remove this #error and link against libpthread,
1544 * which will then provide the memory fences. 1580 * which will then provide the memory fences.
1545 */ 1581 */
1546# error "memory fences not defined for your architecture, please report" 1582# error "memory fences not defined for your architecture, please report"
… …
1550# define ECB_MEMORY_FENCE do { } while (0) 1586# define ECB_MEMORY_FENCE do { } while (0)
1551# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 1587# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1552# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 1588# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1553#endif 1589#endif
1554 1590
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 1591#define inline_size ecb_inline
1560 1592
1561#if EV_FEATURE_CODE 1593#if EV_FEATURE_CODE
1562# define inline_speed ecb_inline 1594# define inline_speed ecb_inline
1563#else 1595#else
1564# define inline_speed noinline static 1596# define inline_speed ecb_noinline static
1565#endif 1597#endif
1598
1599/*****************************************************************************/
1600/* raw syscall wrappers */
1601
1602#if EV_NEED_SYSCALL
1603
1604#include <sys/syscall.h>
1605
1606/*
1607 * define some syscall wrappers for common architectures
1608 * this is mostly for nice looks during debugging, not performance.
1609 * our syscalls return < 0, not == -1, on error. which is good
1610 * enough for linux aio.
1611 * TODO: arm is also common nowadays, maybe even mips and x86
1612 * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
1613 */
1614#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
1615 /* the costly errno access probably kills this for size optimisation */
1616
1617 #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
1618 ({ \
1619 long res; \
1620 register unsigned long r6 __asm__ ("r9" ); \
1621 register unsigned long r5 __asm__ ("r8" ); \
1622 register unsigned long r4 __asm__ ("r10"); \
1623 register unsigned long r3 __asm__ ("rdx"); \
1624 register unsigned long r2 __asm__ ("rsi"); \
1625 register unsigned long r1 __asm__ ("rdi"); \
1626 if (narg >= 6) r6 = (unsigned long)(arg6); \
1627 if (narg >= 5) r5 = (unsigned long)(arg5); \
1628 if (narg >= 4) r4 = (unsigned long)(arg4); \
1629 if (narg >= 3) r3 = (unsigned long)(arg3); \
1630 if (narg >= 2) r2 = (unsigned long)(arg2); \
1631 if (narg >= 1) r1 = (unsigned long)(arg1); \
1632 __asm__ __volatile__ ( \
1633 "syscall\n\t" \
1634 : "=a" (res) \
1635 : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
1636 : "cc", "r11", "cx", "memory"); \
1637 errno = -res; \
1638 res; \
1639 })
1640
1641#endif
1642
1643#ifdef ev_syscall
1644 #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
1645 #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
1646 #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
1647 #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
1648 #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
1649 #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
1650 #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
1651#else
1652 #define ev_syscall0(nr) syscall (nr)
1653 #define ev_syscall1(nr,arg1) syscall (nr, arg1)
1654 #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
1655 #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
1656 #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
1657 #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
1658 #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
1659#endif
1660
1661#endif
1662
1663/*****************************************************************************/
1566 1664
1567#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 1665#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1568 1666
1569#if EV_MINPRI == EV_MAXPRI 1667#if EV_MINPRI == EV_MAXPRI
1570# define ABSPRI(w) (((W)w), 0) 1668# define ABSPRI(w) (((W)w), 0)
… …
1619#else 1717#else
1620 1718
1621#include <float.h> 1719#include <float.h>
1622 1720
1623/* a floor() replacement function, should be independent of ev_tstamp type */ 1721/* a floor() replacement function, should be independent of ev_tstamp type */
1624noinline 1722ecb_noinline
1625static ev_tstamp 1723static ev_tstamp
1626ev_floor (ev_tstamp v) 1724ev_floor (ev_tstamp v)
1627{ 1725{
1628 /* the choice of shift factor is not terribly important */ 1726 /* the choice of shift factor is not terribly important */
1629#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ 1727#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1630 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; 1728 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1631#else 1729#else
1632 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; 1730 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1633#endif 1731#endif
1634 1732
1733 /* special treatment for negative arguments */
1734 if (ecb_expect_false (v < 0.))
1735 {
1736 ev_tstamp f = -ev_floor (-v);
1737
1738 return f - (f == v ? 0 : 1);
1739 }
1740
1635 /* argument too large for an unsigned long? */ 1741 /* argument too large for an unsigned long? then reduce it */
1636 if (expect_false (v >= shift)) 1742 if (ecb_expect_false (v >= shift))
1637 { 1743 {
1638 ev_tstamp f; 1744 ev_tstamp f;
1639 1745
1640 if (v == v - 1.) 1746 if (v == v - 1.)
1641 return v; /* very large number */ 1747 return v; /* very large numbers are assumed to be integer */
1642 1748
1643 f = shift * ev_floor (v * (1. / shift)); 1749 f = shift * ev_floor (v * (1. / shift));
1644 return f + ev_floor (v - f); 1750 return f + ev_floor (v - f);
1645 } 1751 }
1646 1752
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 */ 1753 /* fits into an unsigned long */
1656 return (unsigned long)v; 1754 return (unsigned long)v;
1657} 1755}
1658 1756
1659#endif 1757#endif
… …
1662 1760
1663#ifdef __linux 1761#ifdef __linux
1664# include <sys/utsname.h> 1762# include <sys/utsname.h>
1665#endif 1763#endif
1666 1764
1667noinline ecb_cold 1765ecb_noinline ecb_cold
1668static unsigned int 1766static unsigned int
1669ev_linux_version (void) 1767ev_linux_version (void)
1670{ 1768{
1671#ifdef __linux 1769#ifdef __linux
1672 unsigned int v = 0; 1770 unsigned int v = 0;
… …
1702} 1800}
1703 1801
1704/*****************************************************************************/ 1802/*****************************************************************************/
1705 1803
1706#if EV_AVOID_STDIO 1804#if EV_AVOID_STDIO
1707noinline ecb_cold 1805ecb_noinline ecb_cold
1708static void 1806static void
1709ev_printerr (const char *msg) 1807ev_printerr (const char *msg)
1710{ 1808{
1711 write (STDERR_FILENO, msg, strlen (msg)); 1809 write (STDERR_FILENO, msg, strlen (msg));
1712} 1810}
… …
1719ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT 1817ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1720{ 1818{
1721 syserr_cb = cb; 1819 syserr_cb = cb;
1722} 1820}
1723 1821
1724noinline ecb_cold 1822ecb_noinline ecb_cold
1725static void 1823static void
1726ev_syserr (const char *msg) 1824ev_syserr (const char *msg)
1727{ 1825{
1728 if (!msg) 1826 if (!msg)
1729 msg = "(libev) system error"; 1827 msg = "(libev) system error";
… …
1801{ 1899{
1802 WL head; 1900 WL head;
1803 unsigned char events; /* the events watched for */ 1901 unsigned char events; /* the events watched for */
1804 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 1902 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 */ 1903 unsigned char emask; /* some backends store the actual kernel mask in here */
1806 unsigned char unused; 1904 unsigned char eflags; /* flags field for use by backends */
1807#if EV_USE_EPOLL 1905#if EV_USE_EPOLL
1808 unsigned int egen; /* generation counter to counter epoll bugs */ 1906 unsigned int egen; /* generation counter to counter epoll bugs */
1809#endif 1907#endif
1810#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1908#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1811 SOCKET handle; 1909 SOCKET handle;
… …
1875 static int ev_default_loop_ptr; 1973 static int ev_default_loop_ptr;
1876 1974
1877#endif 1975#endif
1878 1976
1879#if EV_FEATURE_API 1977#if EV_FEATURE_API
1880# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 1978# 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) 1979# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1882# define EV_INVOKE_PENDING invoke_cb (EV_A) 1980# define EV_INVOKE_PENDING invoke_cb (EV_A)
1883#else 1981#else
1884# define EV_RELEASE_CB (void)0 1982# define EV_RELEASE_CB (void)0
1885# define EV_ACQUIRE_CB (void)0 1983# define EV_ACQUIRE_CB (void)0
1886# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 1984# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
… …
1893#ifndef EV_HAVE_EV_TIME 1991#ifndef EV_HAVE_EV_TIME
1894ev_tstamp 1992ev_tstamp
1895ev_time (void) EV_NOEXCEPT 1993ev_time (void) EV_NOEXCEPT
1896{ 1994{
1897#if EV_USE_REALTIME 1995#if EV_USE_REALTIME
1898 if (expect_true (have_realtime)) 1996 if (ecb_expect_true (have_realtime))
1899 { 1997 {
1900 struct timespec ts; 1998 struct timespec ts;
1901 clock_gettime (CLOCK_REALTIME, &ts); 1999 clock_gettime (CLOCK_REALTIME, &ts);
1902 return ts.tv_sec + ts.tv_nsec * 1e-9; 2000 return EV_TS_GET (ts);
1903 } 2001 }
1904#endif 2002#endif
1905 2003
1906 struct timeval tv; 2004 struct timeval tv;
1907 gettimeofday (&tv, 0); 2005 gettimeofday (&tv, 0);
1908 return tv.tv_sec + tv.tv_usec * 1e-6; 2006 return EV_TV_GET (tv);
1909} 2007}
1910#endif 2008#endif
1911 2009
1912inline_size ev_tstamp 2010inline_size ev_tstamp
1913get_clock (void) 2011get_clock (void)
1914{ 2012{
1915#if EV_USE_MONOTONIC 2013#if EV_USE_MONOTONIC
1916 if (expect_true (have_monotonic)) 2014 if (ecb_expect_true (have_monotonic))
1917 { 2015 {
1918 struct timespec ts; 2016 struct timespec ts;
1919 clock_gettime (CLOCK_MONOTONIC, &ts); 2017 clock_gettime (CLOCK_MONOTONIC, &ts);
1920 return ts.tv_sec + ts.tv_nsec * 1e-9; 2018 return EV_TS_GET (ts);
1921 } 2019 }
1922#endif 2020#endif
1923 2021
1924 return ev_time (); 2022 return ev_time ();
1925} 2023}
… …
1983 } 2081 }
1984 2082
1985 return ncur; 2083 return ncur;
1986} 2084}
1987 2085
1988noinline ecb_cold 2086ecb_noinline ecb_cold
1989static void * 2087static void *
1990array_realloc (int elem, void *base, int *cur, int cnt) 2088array_realloc (int elem, void *base, int *cur, int cnt)
1991{ 2089{
1992 *cur = array_nextsize (elem, *cur, cnt); 2090 *cur = array_nextsize (elem, *cur, cnt);
1993 return ev_realloc (base, elem * *cur); 2091 return ev_realloc (base, elem * *cur);
… …
1997 2095
1998#define array_needsize_zerofill(base,offset,count) \ 2096#define array_needsize_zerofill(base,offset,count) \
1999 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) 2097 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
2000 2098
2001#define array_needsize(type,base,cur,cnt,init) \ 2099#define array_needsize(type,base,cur,cnt,init) \
2002 if (expect_false ((cnt) > (cur))) \ 2100 if (ecb_expect_false ((cnt) > (cur))) \
2003 { \ 2101 { \
2004 ecb_unused int ocur_ = (cur); \ 2102 ecb_unused int ocur_ = (cur); \
2005 (base) = (type *)array_realloc \ 2103 (base) = (type *)array_realloc \
2006 (sizeof (type), (base), &(cur), (cnt)); \ 2104 (sizeof (type), (base), &(cur), (cnt)); \
2007 init ((base), ocur_, ((cur) - ocur_)); \ 2105 init ((base), ocur_, ((cur) - ocur_)); \
… …
2021 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 2119 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
2022 2120
2023/*****************************************************************************/ 2121/*****************************************************************************/
2024 2122
2025/* dummy callback for pending events */ 2123/* dummy callback for pending events */
2026noinline 2124ecb_noinline
2027static void 2125static void
2028pendingcb (EV_P_ ev_prepare *w, int revents) 2126pendingcb (EV_P_ ev_prepare *w, int revents)
2029{ 2127{
2030} 2128}
2031 2129
2032noinline 2130ecb_noinline
2033void 2131void
2034ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT 2132ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
2035{ 2133{
2036 W w_ = (W)w; 2134 W w_ = (W)w;
2037 int pri = ABSPRI (w_); 2135 int pri = ABSPRI (w_);
2038 2136
2039 if (expect_false (w_->pending)) 2137 if (ecb_expect_false (w_->pending))
2040 pendings [pri][w_->pending - 1].events |= revents; 2138 pendings [pri][w_->pending - 1].events |= revents;
2041 else 2139 else
2042 { 2140 {
2043 w_->pending = ++pendingcnt [pri]; 2141 w_->pending = ++pendingcnt [pri];
2044 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); 2142 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
… …
2095inline_speed void 2193inline_speed void
2096fd_event (EV_P_ int fd, int revents) 2194fd_event (EV_P_ int fd, int revents)
2097{ 2195{
2098 ANFD *anfd = anfds + fd; 2196 ANFD *anfd = anfds + fd;
2099 2197
2100 if (expect_true (!anfd->reify)) 2198 if (ecb_expect_true (!anfd->reify))
2101 fd_event_nocheck (EV_A_ fd, revents); 2199 fd_event_nocheck (EV_A_ fd, revents);
2102} 2200}
2103 2201
2104void 2202void
2105ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT 2203ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
… …
2149 unsigned char o_events = anfd->events; 2247 unsigned char o_events = anfd->events;
2150 unsigned char o_reify = anfd->reify; 2248 unsigned char o_reify = anfd->reify;
2151 2249
2152 anfd->reify = 0; 2250 anfd->reify = 0;
2153 2251
2154 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 2252 /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
2155 { 2253 {
2156 anfd->events = 0; 2254 anfd->events = 0;
2157 2255
2158 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 2256 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
2159 anfd->events |= (unsigned char)w->events; 2257 anfd->events |= (unsigned char)w->events;
… …
2175fd_change (EV_P_ int fd, int flags) 2273fd_change (EV_P_ int fd, int flags)
2176{ 2274{
2177 unsigned char reify = anfds [fd].reify; 2275 unsigned char reify = anfds [fd].reify;
2178 anfds [fd].reify |= flags; 2276 anfds [fd].reify |= flags;
2179 2277
2180 if (expect_true (!reify)) 2278 if (ecb_expect_true (!reify))
2181 { 2279 {
2182 ++fdchangecnt; 2280 ++fdchangecnt;
2183 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); 2281 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2184 fdchanges [fdchangecnt - 1] = fd; 2282 fdchanges [fdchangecnt - 1] = fd;
2185 } 2283 }
… …
2208 return fcntl (fd, F_GETFD) != -1; 2306 return fcntl (fd, F_GETFD) != -1;
2209#endif 2307#endif
2210} 2308}
2211 2309
2212/* called on EBADF to verify fds */ 2310/* called on EBADF to verify fds */
2213noinline ecb_cold 2311ecb_noinline ecb_cold
2214static void 2312static void
2215fd_ebadf (EV_P) 2313fd_ebadf (EV_P)
2216{ 2314{
2217 int fd; 2315 int fd;
2218 2316
… …
2221 if (!fd_valid (fd) && errno == EBADF) 2319 if (!fd_valid (fd) && errno == EBADF)
2222 fd_kill (EV_A_ fd); 2320 fd_kill (EV_A_ fd);
2223} 2321}
2224 2322
2225/* called on ENOMEM in select/poll to kill some fds and retry */ 2323/* called on ENOMEM in select/poll to kill some fds and retry */
2226noinline ecb_cold 2324ecb_noinline ecb_cold
2227static void 2325static void
2228fd_enomem (EV_P) 2326fd_enomem (EV_P)
2229{ 2327{
2230 int fd; 2328 int fd;
2231 2329
… …
2236 break; 2334 break;
2237 } 2335 }
2238} 2336}
2239 2337
2240/* usually called after fork if backend needs to re-arm all fds from scratch */ 2338/* usually called after fork if backend needs to re-arm all fds from scratch */
2241noinline 2339ecb_noinline
2242static void 2340static void
2243fd_rearm_all (EV_P) 2341fd_rearm_all (EV_P)
2244{ 2342{
2245 int fd; 2343 int fd;
2246 2344
… …
2300 ev_tstamp minat; 2398 ev_tstamp minat;
2301 ANHE *minpos; 2399 ANHE *minpos;
2302 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; 2400 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2303 2401
2304 /* find minimum child */ 2402 /* find minimum child */
2305 if (expect_true (pos + DHEAP - 1 < E)) 2403 if (ecb_expect_true (pos + DHEAP - 1 < E))
2306 { 2404 {
2307 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); 2405 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2308 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); 2406 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)); 2407 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)); 2408 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
… …
2428 2526
2429/*****************************************************************************/ 2527/*****************************************************************************/
2430 2528
2431#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2529#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2432 2530
2433noinline ecb_cold 2531ecb_noinline ecb_cold
2434static void 2532static void
2435evpipe_init (EV_P) 2533evpipe_init (EV_P)
2436{ 2534{
2437 if (!ev_is_active (&pipe_w)) 2535 if (!ev_is_active (&pipe_w))
2438 { 2536 {
… …
2479inline_speed void 2577inline_speed void
2480evpipe_write (EV_P_ EV_ATOMIC_T *flag) 2578evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2481{ 2579{
2482 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ 2580 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2483 2581
2484 if (expect_true (*flag)) 2582 if (ecb_expect_true (*flag))
2485 return; 2583 return;
2486 2584
2487 *flag = 1; 2585 *flag = 1;
2488 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ 2586 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2489 2587
… …
2566 sig_pending = 0; 2664 sig_pending = 0;
2567 2665
2568 ECB_MEMORY_FENCE; 2666 ECB_MEMORY_FENCE;
2569 2667
2570 for (i = EV_NSIG - 1; i--; ) 2668 for (i = EV_NSIG - 1; i--; )
2571 if (expect_false (signals [i].pending)) 2669 if (ecb_expect_false (signals [i].pending))
2572 ev_feed_signal_event (EV_A_ i + 1); 2670 ev_feed_signal_event (EV_A_ i + 1);
2573 } 2671 }
2574#endif 2672#endif
2575 2673
2576#if EV_ASYNC_ENABLE 2674#if EV_ASYNC_ENABLE
… …
2617#endif 2715#endif
2618 2716
2619 ev_feed_signal (signum); 2717 ev_feed_signal (signum);
2620} 2718}
2621 2719
2622noinline 2720ecb_noinline
2623void 2721void
2624ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT 2722ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2625{ 2723{
2626 WL w; 2724 WL w;
2627 2725
2628 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2726 if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2629 return; 2727 return;
2630 2728
2631 --signum; 2729 --signum;
2632 2730
2633#if EV_MULTIPLICITY 2731#if EV_MULTIPLICITY
2634 /* it is permissible to try to feed a signal to the wrong loop */ 2732 /* 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 */ 2733 /* or, likely more useful, feeding a signal nobody is waiting for */
2636 2734
2637 if (expect_false (signals [signum].loop != EV_A)) 2735 if (ecb_expect_false (signals [signum].loop != EV_A))
2638 return; 2736 return;
2639#endif 2737#endif
2640 2738
2641 signals [signum].pending = 0; 2739 signals [signum].pending = 0;
2642 ECB_MEMORY_FENCE_RELEASE; 2740 ECB_MEMORY_FENCE_RELEASE;
… …
2741# include "ev_epoll.c" 2839# include "ev_epoll.c"
2742#endif 2840#endif
2743#if EV_USE_LINUXAIO 2841#if EV_USE_LINUXAIO
2744# include "ev_linuxaio.c" 2842# include "ev_linuxaio.c"
2745#endif 2843#endif
2844#if EV_USE_IOURING
2845# include "ev_iouring.c"
2846#endif
2746#if EV_USE_POLL 2847#if EV_USE_POLL
2747# include "ev_poll.c" 2848# include "ev_poll.c"
2748#endif 2849#endif
2749#if EV_USE_SELECT 2850#if EV_USE_SELECT
2750# include "ev_select.c" 2851# include "ev_select.c"
… …
2782 2883
2783 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2884 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2784 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; 2885 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2785 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2886 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2786 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; 2887 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2888 if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2787 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2889 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2788 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; 2890 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2789 2891
2790 return flags; 2892 return flags;
2791} 2893}
… …
2812 2914
2813 /* TODO: linuxaio is very experimental */ 2915 /* TODO: linuxaio is very experimental */
2814#if !EV_RECOMMEND_LINUXAIO 2916#if !EV_RECOMMEND_LINUXAIO
2815 flags &= ~EVBACKEND_LINUXAIO; 2917 flags &= ~EVBACKEND_LINUXAIO;
2816#endif 2918#endif
2919 /* TODO: linuxaio is super experimental */
2920#if !EV_RECOMMEND_IOURING
2921 flags &= ~EVBACKEND_IOURING;
2922#endif
2817 2923
2818 return flags; 2924 return flags;
2819} 2925}
2820 2926
2821ecb_cold 2927ecb_cold
… …
2826 2932
2827 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2933 /* 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 */ 2934 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2829 flags &= ~EVBACKEND_EPOLL; 2935 flags &= ~EVBACKEND_EPOLL;
2830 2936
2937 /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
2938
2939 /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
2940 * because our backend_fd is the epoll fd we need as fallback.
2941 * if the kernel ever is fixed, this might change...
2942 */
2943
2831 return flags; 2944 return flags;
2832} 2945}
2833 2946
2834unsigned int 2947unsigned int
2835ev_backend (EV_P) EV_NOEXCEPT 2948ev_backend (EV_P) EV_NOEXCEPT
… …
2887 acquire_cb = acquire; 3000 acquire_cb = acquire;
2888} 3001}
2889#endif 3002#endif
2890 3003
2891/* initialise a loop structure, must be zero-initialised */ 3004/* initialise a loop structure, must be zero-initialised */
2892noinline ecb_cold 3005ecb_noinline ecb_cold
2893static void 3006static void
2894loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT 3007loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2895{ 3008{
2896 if (!backend) 3009 if (!backend)
2897 { 3010 {
… …
2965 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 3078 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2966#endif 3079#endif
2967#if EV_USE_KQUEUE 3080#if EV_USE_KQUEUE
2968 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); 3081 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2969#endif 3082#endif
3083#if EV_USE_IOURING
3084 if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
3085#endif
2970#if EV_USE_LINUXAIO 3086#if EV_USE_LINUXAIO
2971 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); 3087 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2972#endif 3088#endif
2973#if EV_USE_EPOLL 3089#if EV_USE_EPOLL
2974 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 3090 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
… …
3002 return; 3118 return;
3003#endif 3119#endif
3004 3120
3005#if EV_CLEANUP_ENABLE 3121#if EV_CLEANUP_ENABLE
3006 /* queue cleanup watchers (and execute them) */ 3122 /* queue cleanup watchers (and execute them) */
3007 if (expect_false (cleanupcnt)) 3123 if (ecb_expect_false (cleanupcnt))
3008 { 3124 {
3009 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); 3125 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
3010 EV_INVOKE_PENDING; 3126 EV_INVOKE_PENDING;
3011 } 3127 }
3012#endif 3128#endif
… …
3047#if EV_USE_PORT 3163#if EV_USE_PORT
3048 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3164 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3049#endif 3165#endif
3050#if EV_USE_KQUEUE 3166#if EV_USE_KQUEUE
3051 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); 3167 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3168#endif
3169#if EV_USE_IOURING
3170 if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
3052#endif 3171#endif
3053#if EV_USE_LINUXAIO 3172#if EV_USE_LINUXAIO
3054 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); 3173 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3055#endif 3174#endif
3056#if EV_USE_EPOLL 3175#if EV_USE_EPOLL
… …
3115 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3234 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3116#endif 3235#endif
3117#if EV_USE_KQUEUE 3236#if EV_USE_KQUEUE
3118 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); 3237 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3119#endif 3238#endif
3239#if EV_USE_IOURING
3240 if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
3241#endif
3120#if EV_USE_LINUXAIO 3242#if EV_USE_LINUXAIO
3121 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); 3243 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3122#endif 3244#endif
3123#if EV_USE_EPOLL 3245#if EV_USE_EPOLL
3124 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3246 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
… …
3166} 3288}
3167 3289
3168#endif /* multiplicity */ 3290#endif /* multiplicity */
3169 3291
3170#if EV_VERIFY 3292#if EV_VERIFY
3171noinline ecb_cold 3293ecb_noinline ecb_cold
3172static void 3294static void
3173verify_watcher (EV_P_ W w) 3295verify_watcher (EV_P_ W w)
3174{ 3296{
3175 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 3297 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
3176 3298
3177 if (w->pending) 3299 if (w->pending)
3178 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 3300 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
3179} 3301}
3180 3302
3181noinline ecb_cold 3303ecb_noinline ecb_cold
3182static void 3304static void
3183verify_heap (EV_P_ ANHE *heap, int N) 3305verify_heap (EV_P_ ANHE *heap, int N)
3184{ 3306{
3185 int i; 3307 int i;
3186 3308
… …
3192 3314
3193 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 3315 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
3194 } 3316 }
3195} 3317}
3196 3318
3197noinline ecb_cold 3319ecb_noinline ecb_cold
3198static void 3320static void
3199array_verify (EV_P_ W *ws, int cnt) 3321array_verify (EV_P_ W *ws, int cnt)
3200{ 3322{
3201 while (cnt--) 3323 while (cnt--)
3202 { 3324 {
… …
3351 count += pendingcnt [pri]; 3473 count += pendingcnt [pri];
3352 3474
3353 return count; 3475 return count;
3354} 3476}
3355 3477
3356noinline 3478ecb_noinline
3357void 3479void
3358ev_invoke_pending (EV_P) 3480ev_invoke_pending (EV_P)
3359{ 3481{
3360 pendingpri = NUMPRI; 3482 pendingpri = NUMPRI;
3361 3483
… …
3380/* make idle watchers pending. this handles the "call-idle */ 3502/* make idle watchers pending. this handles the "call-idle */
3381/* only when higher priorities are idle" logic */ 3503/* only when higher priorities are idle" logic */
3382inline_size void 3504inline_size void
3383idle_reify (EV_P) 3505idle_reify (EV_P)
3384{ 3506{
3385 if (expect_false (idleall)) 3507 if (ecb_expect_false (idleall))
3386 { 3508 {
3387 int pri; 3509 int pri;
3388 3510
3389 for (pri = NUMPRI; pri--; ) 3511 for (pri = NUMPRI; pri--; )
3390 { 3512 {
… …
3439 } 3561 }
3440} 3562}
3441 3563
3442#if EV_PERIODIC_ENABLE 3564#if EV_PERIODIC_ENABLE
3443 3565
3444noinline 3566ecb_noinline
3445static void 3567static void
3446periodic_recalc (EV_P_ ev_periodic *w) 3568periodic_recalc (EV_P_ ev_periodic *w)
3447{ 3569{
3448 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; 3570 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); 3571 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
… …
3452 while (at <= ev_rt_now) 3574 while (at <= ev_rt_now)
3453 { 3575 {
3454 ev_tstamp nat = at + w->interval; 3576 ev_tstamp nat = at + w->interval;
3455 3577
3456 /* when resolution fails us, we use ev_rt_now */ 3578 /* when resolution fails us, we use ev_rt_now */
3457 if (expect_false (nat == at)) 3579 if (ecb_expect_false (nat == at))
3458 { 3580 {
3459 at = ev_rt_now; 3581 at = ev_rt_now;
3460 break; 3582 break;
3461 } 3583 }
3462 3584
… …
3508 } 3630 }
3509} 3631}
3510 3632
3511/* simply recalculate all periodics */ 3633/* simply recalculate all periodics */
3512/* TODO: maybe ensure that at least one event happens when jumping forward? */ 3634/* TODO: maybe ensure that at least one event happens when jumping forward? */
3513noinline ecb_cold 3635ecb_noinline ecb_cold
3514static void 3636static void
3515periodics_reschedule (EV_P) 3637periodics_reschedule (EV_P)
3516{ 3638{
3517 int i; 3639 int i;
3518 3640
… …
3532 reheap (periodics, periodiccnt); 3654 reheap (periodics, periodiccnt);
3533} 3655}
3534#endif 3656#endif
3535 3657
3536/* adjust all timers by a given offset */ 3658/* adjust all timers by a given offset */
3537noinline ecb_cold 3659ecb_noinline ecb_cold
3538static void 3660static void
3539timers_reschedule (EV_P_ ev_tstamp adjust) 3661timers_reschedule (EV_P_ ev_tstamp adjust)
3540{ 3662{
3541 int i; 3663 int i;
3542 3664
… …
3552/* also detect if there was a timejump, and act accordingly */ 3674/* also detect if there was a timejump, and act accordingly */
3553inline_speed void 3675inline_speed void
3554time_update (EV_P_ ev_tstamp max_block) 3676time_update (EV_P_ ev_tstamp max_block)
3555{ 3677{
3556#if EV_USE_MONOTONIC 3678#if EV_USE_MONOTONIC
3557 if (expect_true (have_monotonic)) 3679 if (ecb_expect_true (have_monotonic))
3558 { 3680 {
3559 int i; 3681 int i;
3560 ev_tstamp odiff = rtmn_diff; 3682 ev_tstamp odiff = rtmn_diff;
3561 3683
3562 mn_now = get_clock (); 3684 mn_now = get_clock ();
3563 3685
3564 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ 3686 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3565 /* interpolate in the meantime */ 3687 /* interpolate in the meantime */
3566 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 3688 if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3567 { 3689 {
3568 ev_rt_now = rtmn_diff + mn_now; 3690 ev_rt_now = rtmn_diff + mn_now;
3569 return; 3691 return;
3570 } 3692 }
3571 3693
… …
3585 ev_tstamp diff; 3707 ev_tstamp diff;
3586 rtmn_diff = ev_rt_now - mn_now; 3708 rtmn_diff = ev_rt_now - mn_now;
3587 3709
3588 diff = odiff - rtmn_diff; 3710 diff = odiff - rtmn_diff;
3589 3711
3590 if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) 3712 if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3591 return; /* all is well */ 3713 return; /* all is well */
3592 3714
3593 ev_rt_now = ev_time (); 3715 ev_rt_now = ev_time ();
3594 mn_now = get_clock (); 3716 mn_now = get_clock ();
3595 now_floor = mn_now; 3717 now_floor = mn_now;
… …
3604 else 3726 else
3605#endif 3727#endif
3606 { 3728 {
3607 ev_rt_now = ev_time (); 3729 ev_rt_now = ev_time ();
3608 3730
3609 if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) 3731 if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3610 { 3732 {
3611 /* adjust timers. this is easy, as the offset is the same for all of them */ 3733 /* 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); 3734 timers_reschedule (EV_A_ ev_rt_now - mn_now);
3613#if EV_PERIODIC_ENABLE 3735#if EV_PERIODIC_ENABLE
3614 periodics_reschedule (EV_A); 3736 periodics_reschedule (EV_A);
… …
3637#if EV_VERIFY >= 2 3759#if EV_VERIFY >= 2
3638 ev_verify (EV_A); 3760 ev_verify (EV_A);
3639#endif 3761#endif
3640 3762
3641#ifndef _WIN32 3763#ifndef _WIN32
3642 if (expect_false (curpid)) /* penalise the forking check even more */ 3764 if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3643 if (expect_false (getpid () != curpid)) 3765 if (ecb_expect_false (getpid () != curpid))
3644 { 3766 {
3645 curpid = getpid (); 3767 curpid = getpid ();
3646 postfork = 1; 3768 postfork = 1;
3647 } 3769 }
3648#endif 3770#endif
3649 3771
3650#if EV_FORK_ENABLE 3772#if EV_FORK_ENABLE
3651 /* we might have forked, so queue fork handlers */ 3773 /* we might have forked, so queue fork handlers */
3652 if (expect_false (postfork)) 3774 if (ecb_expect_false (postfork))
3653 if (forkcnt) 3775 if (forkcnt)
3654 { 3776 {
3655 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 3777 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3656 EV_INVOKE_PENDING; 3778 EV_INVOKE_PENDING;
3657 } 3779 }
3658#endif 3780#endif
3659 3781
3660#if EV_PREPARE_ENABLE 3782#if EV_PREPARE_ENABLE
3661 /* queue prepare watchers (and execute them) */ 3783 /* queue prepare watchers (and execute them) */
3662 if (expect_false (preparecnt)) 3784 if (ecb_expect_false (preparecnt))
3663 { 3785 {
3664 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 3786 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3665 EV_INVOKE_PENDING; 3787 EV_INVOKE_PENDING;
3666 } 3788 }
3667#endif 3789#endif
3668 3790
3669 if (expect_false (loop_done)) 3791 if (ecb_expect_false (loop_done))
3670 break; 3792 break;
3671 3793
3672 /* we might have forked, so reify kernel state if necessary */ 3794 /* we might have forked, so reify kernel state if necessary */
3673 if (expect_false (postfork)) 3795 if (ecb_expect_false (postfork))
3674 loop_fork (EV_A); 3796 loop_fork (EV_A);
3675 3797
3676 /* update fd-related kernel structures */ 3798 /* update fd-related kernel structures */
3677 fd_reify (EV_A); 3799 fd_reify (EV_A);
3678 3800
… …
3690 /* from now on, we want a pipe-wake-up */ 3812 /* from now on, we want a pipe-wake-up */
3691 pipe_write_wanted = 1; 3813 pipe_write_wanted = 1;
3692 3814
3693 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ 3815 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3694 3816
3695 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 3817 if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3696 { 3818 {
3697 waittime = MAX_BLOCKTIME; 3819 waittime = MAX_BLOCKTIME;
3698 3820
3699 if (timercnt) 3821 if (timercnt)
3700 { 3822 {
… …
3709 if (waittime > to) waittime = to; 3831 if (waittime > to) waittime = to;
3710 } 3832 }
3711#endif 3833#endif
3712 3834
3713 /* don't let timeouts decrease the waittime below timeout_blocktime */ 3835 /* don't let timeouts decrease the waittime below timeout_blocktime */
3714 if (expect_false (waittime < timeout_blocktime)) 3836 if (ecb_expect_false (waittime < timeout_blocktime))
3715 waittime = timeout_blocktime; 3837 waittime = timeout_blocktime;
3716 3838
3717 /* at this point, we NEED to wait, so we have to ensure */ 3839 /* at this point, we NEED to wait, so we have to ensure */
3718 /* to pass a minimum nonzero value to the backend */ 3840 /* to pass a minimum nonzero value to the backend */
3719 if (expect_false (waittime < backend_mintime)) 3841 if (ecb_expect_false (waittime < backend_mintime))
3720 waittime = backend_mintime; 3842 waittime = backend_mintime;
3721 3843
3722 /* extra check because io_blocktime is commonly 0 */ 3844 /* extra check because io_blocktime is commonly 0 */
3723 if (expect_false (io_blocktime)) 3845 if (ecb_expect_false (io_blocktime))
3724 { 3846 {
3725 sleeptime = io_blocktime - (mn_now - prev_mn_now); 3847 sleeptime = io_blocktime - (mn_now - prev_mn_now);
3726 3848
3727 if (sleeptime > waittime - backend_mintime) 3849 if (sleeptime > waittime - backend_mintime)
3728 sleeptime = waittime - backend_mintime; 3850 sleeptime = waittime - backend_mintime;
3729 3851
3730 if (expect_true (sleeptime > 0.)) 3852 if (ecb_expect_true (sleeptime > 0.))
3731 { 3853 {
3732 ev_sleep (sleeptime); 3854 ev_sleep (sleeptime);
3733 waittime -= sleeptime; 3855 waittime -= sleeptime;
3734 } 3856 }
3735 } 3857 }
… …
3749 { 3871 {
3750 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3872 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); 3873 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3752 } 3874 }
3753 3875
3754
3755 /* update ev_rt_now, do magic */ 3876 /* update ev_rt_now, do magic */
3756 time_update (EV_A_ waittime + sleeptime); 3877 time_update (EV_A_ waittime + sleeptime);
3757 } 3878 }
3758 3879
3759 /* queue pending timers and reschedule them */ 3880 /* queue pending timers and reschedule them */
… …
3767 idle_reify (EV_A); 3888 idle_reify (EV_A);
3768#endif 3889#endif
3769 3890
3770#if EV_CHECK_ENABLE 3891#if EV_CHECK_ENABLE
3771 /* queue check watchers, to be executed first */ 3892 /* queue check watchers, to be executed first */
3772 if (expect_false (checkcnt)) 3893 if (ecb_expect_false (checkcnt))
3773 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 3894 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3774#endif 3895#endif
3775 3896
3776 EV_INVOKE_PENDING; 3897 EV_INVOKE_PENDING;
3777 } 3898 }
3778 while (expect_true ( 3899 while (ecb_expect_true (
3779 activecnt 3900 activecnt
3780 && !loop_done 3901 && !loop_done
3781 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) 3902 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3782 )); 3903 ));
3783 3904
… …
3847inline_size void 3968inline_size void
3848wlist_del (WL *head, WL elem) 3969wlist_del (WL *head, WL elem)
3849{ 3970{
3850 while (*head) 3971 while (*head)
3851 { 3972 {
3852 if (expect_true (*head == elem)) 3973 if (ecb_expect_true (*head == elem))
3853 { 3974 {
3854 *head = elem->next; 3975 *head = elem->next;
3855 break; 3976 break;
3856 } 3977 }
3857 3978
… …
3874ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT 3995ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3875{ 3996{
3876 W w_ = (W)w; 3997 W w_ = (W)w;
3877 int pending = w_->pending; 3998 int pending = w_->pending;
3878 3999
3879 if (expect_true (pending)) 4000 if (ecb_expect_true (pending))
3880 { 4001 {
3881 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; 4002 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3882 p->w = (W)&pending_w; 4003 p->w = (W)&pending_w;
3883 w_->pending = 0; 4004 w_->pending = 0;
3884 return p->events; 4005 return p->events;
… …
3911 w->active = 0; 4032 w->active = 0;
3912} 4033}
3913 4034
3914/*****************************************************************************/ 4035/*****************************************************************************/
3915 4036
3916noinline 4037ecb_noinline
3917void 4038void
3918ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT 4039ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3919{ 4040{
3920 int fd = w->fd; 4041 int fd = w->fd;
3921 4042
3922 if (expect_false (ev_is_active (w))) 4043 if (ecb_expect_false (ev_is_active (w)))
3923 return; 4044 return;
3924 4045
3925 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 4046 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)))); 4047 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3927 4048
… …
3941 w->events &= ~EV__IOFDSET; 4062 w->events &= ~EV__IOFDSET;
3942 4063
3943 EV_FREQUENT_CHECK; 4064 EV_FREQUENT_CHECK;
3944} 4065}
3945 4066
3946noinline 4067ecb_noinline
3947void 4068void
3948ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT 4069ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3949{ 4070{
3950 clear_pending (EV_A_ (W)w); 4071 clear_pending (EV_A_ (W)w);
3951 if (expect_false (!ev_is_active (w))) 4072 if (ecb_expect_false (!ev_is_active (w)))
3952 return; 4073 return;
3953 4074
3954 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 4075 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3955 4076
3956#if EV_VERIFY >= 2 4077#if EV_VERIFY >= 2
… …
3964 fd_change (EV_A_ w->fd, EV_ANFD_REIFY); 4085 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3965 4086
3966 EV_FREQUENT_CHECK; 4087 EV_FREQUENT_CHECK;
3967} 4088}
3968 4089
3969noinline 4090ecb_noinline
3970void 4091void
3971ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT 4092ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3972{ 4093{
3973 if (expect_false (ev_is_active (w))) 4094 if (ecb_expect_false (ev_is_active (w)))
3974 return; 4095 return;
3975 4096
3976 ev_at (w) += mn_now; 4097 ev_at (w) += mn_now;
3977 4098
3978 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 4099 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
… …
3989 EV_FREQUENT_CHECK; 4110 EV_FREQUENT_CHECK;
3990 4111
3991 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 4112 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3992} 4113}
3993 4114
3994noinline 4115ecb_noinline
3995void 4116void
3996ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT 4117ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3997{ 4118{
3998 clear_pending (EV_A_ (W)w); 4119 clear_pending (EV_A_ (W)w);
3999 if (expect_false (!ev_is_active (w))) 4120 if (ecb_expect_false (!ev_is_active (w)))
4000 return; 4121 return;
4001 4122
4002 EV_FREQUENT_CHECK; 4123 EV_FREQUENT_CHECK;
4003 4124
4004 { 4125 {
… …
4006 4127
4007 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); 4128 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
4008 4129
4009 --timercnt; 4130 --timercnt;
4010 4131
4011 if (expect_true (active < timercnt + HEAP0)) 4132 if (ecb_expect_true (active < timercnt + HEAP0))
4012 { 4133 {
4013 timers [active] = timers [timercnt + HEAP0]; 4134 timers [active] = timers [timercnt + HEAP0];
4014 adjustheap (timers, timercnt, active); 4135 adjustheap (timers, timercnt, active);
4015 } 4136 }
4016 } 4137 }
… …
4020 ev_stop (EV_A_ (W)w); 4141 ev_stop (EV_A_ (W)w);
4021 4142
4022 EV_FREQUENT_CHECK; 4143 EV_FREQUENT_CHECK;
4023} 4144}
4024 4145
4025noinline 4146ecb_noinline
4026void 4147void
4027ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT 4148ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
4028{ 4149{
4029 EV_FREQUENT_CHECK; 4150 EV_FREQUENT_CHECK;
4030 4151
… …
4055{ 4176{
4056 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4177 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
4057} 4178}
4058 4179
4059#if EV_PERIODIC_ENABLE 4180#if EV_PERIODIC_ENABLE
4060noinline 4181ecb_noinline
4061void 4182void
4062ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT 4183ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4063{ 4184{
4064 if (expect_false (ev_is_active (w))) 4185 if (ecb_expect_false (ev_is_active (w)))
4065 return; 4186 return;
4066 4187
4067 if (w->reschedule_cb) 4188 if (w->reschedule_cb)
4068 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 4189 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
4069 else if (w->interval) 4190 else if (w->interval)
… …
4086 EV_FREQUENT_CHECK; 4207 EV_FREQUENT_CHECK;
4087 4208
4088 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4209 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4089} 4210}
4090 4211
4091noinline 4212ecb_noinline
4092void 4213void
4093ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT 4214ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4094{ 4215{
4095 clear_pending (EV_A_ (W)w); 4216 clear_pending (EV_A_ (W)w);
4096 if (expect_false (!ev_is_active (w))) 4217 if (ecb_expect_false (!ev_is_active (w)))
4097 return; 4218 return;
4098 4219
4099 EV_FREQUENT_CHECK; 4220 EV_FREQUENT_CHECK;
4100 4221
4101 { 4222 {
… …
4103 4224
4104 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); 4225 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
4105 4226
4106 --periodiccnt; 4227 --periodiccnt;
4107 4228
4108 if (expect_true (active < periodiccnt + HEAP0)) 4229 if (ecb_expect_true (active < periodiccnt + HEAP0))
4109 { 4230 {
4110 periodics [active] = periodics [periodiccnt + HEAP0]; 4231 periodics [active] = periodics [periodiccnt + HEAP0];
4111 adjustheap (periodics, periodiccnt, active); 4232 adjustheap (periodics, periodiccnt, active);
4112 } 4233 }
4113 } 4234 }
… …
4115 ev_stop (EV_A_ (W)w); 4236 ev_stop (EV_A_ (W)w);
4116 4237
4117 EV_FREQUENT_CHECK; 4238 EV_FREQUENT_CHECK;
4118} 4239}
4119 4240
4120noinline 4241ecb_noinline
4121void 4242void
4122ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT 4243ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4123{ 4244{
4124 /* TODO: use adjustheap and recalculation */ 4245 /* TODO: use adjustheap and recalculation */
4125 ev_periodic_stop (EV_A_ w); 4246 ev_periodic_stop (EV_A_ w);
… …
4131# define SA_RESTART 0 4252# define SA_RESTART 0
4132#endif 4253#endif
4133 4254
4134#if EV_SIGNAL_ENABLE 4255#if EV_SIGNAL_ENABLE
4135 4256
4136noinline 4257ecb_noinline
4137void 4258void
4138ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT 4259ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4139{ 4260{
4140 if (expect_false (ev_is_active (w))) 4261 if (ecb_expect_false (ev_is_active (w)))
4141 return; 4262 return;
4142 4263
4143 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4264 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
4144 4265
4145#if EV_MULTIPLICITY 4266#if EV_MULTIPLICITY
… …
4214 } 4335 }
4215 4336
4216 EV_FREQUENT_CHECK; 4337 EV_FREQUENT_CHECK;
4217} 4338}
4218 4339
4219noinline 4340ecb_noinline
4220void 4341void
4221ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT 4342ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4222{ 4343{
4223 clear_pending (EV_A_ (W)w); 4344 clear_pending (EV_A_ (W)w);
4224 if (expect_false (!ev_is_active (w))) 4345 if (ecb_expect_false (!ev_is_active (w)))
4225 return; 4346 return;
4226 4347
4227 EV_FREQUENT_CHECK; 4348 EV_FREQUENT_CHECK;
4228 4349
4229 wlist_del (&signals [w->signum - 1].head, (WL)w); 4350 wlist_del (&signals [w->signum - 1].head, (WL)w);
… …
4262ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT 4383ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4263{ 4384{
4264#if EV_MULTIPLICITY 4385#if EV_MULTIPLICITY
4265 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4386 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4266#endif 4387#endif
4267 if (expect_false (ev_is_active (w))) 4388 if (ecb_expect_false (ev_is_active (w)))
4268 return; 4389 return;
4269 4390
4270 EV_FREQUENT_CHECK; 4391 EV_FREQUENT_CHECK;
4271 4392
4272 ev_start (EV_A_ (W)w, 1); 4393 ev_start (EV_A_ (W)w, 1);
… …
4277 4398
4278void 4399void
4279ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT 4400ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4280{ 4401{
4281 clear_pending (EV_A_ (W)w); 4402 clear_pending (EV_A_ (W)w);
4282 if (expect_false (!ev_is_active (w))) 4403 if (ecb_expect_false (!ev_is_active (w)))
4283 return; 4404 return;
4284 4405
4285 EV_FREQUENT_CHECK; 4406 EV_FREQUENT_CHECK;
4286 4407
4287 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); 4408 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
… …
4301 4422
4302#define DEF_STAT_INTERVAL 5.0074891 4423#define DEF_STAT_INTERVAL 5.0074891
4303#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ 4424#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4304#define MIN_STAT_INTERVAL 0.1074891 4425#define MIN_STAT_INTERVAL 0.1074891
4305 4426
4306noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); 4427ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4307 4428
4308#if EV_USE_INOTIFY 4429#if EV_USE_INOTIFY
4309 4430
4310/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ 4431/* 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) 4432# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4312 4433
4313noinline 4434ecb_noinline
4314static void 4435static void
4315infy_add (EV_P_ ev_stat *w) 4436infy_add (EV_P_ ev_stat *w)
4316{ 4437{
4317 w->wd = inotify_add_watch (fs_fd, w->path, 4438 w->wd = inotify_add_watch (fs_fd, w->path,
4318 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY 4439 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
… …
4383 if (ev_is_active (&w->timer)) ev_ref (EV_A); 4504 if (ev_is_active (&w->timer)) ev_ref (EV_A);
4384 ev_timer_again (EV_A_ &w->timer); 4505 ev_timer_again (EV_A_ &w->timer);
4385 if (ev_is_active (&w->timer)) ev_unref (EV_A); 4506 if (ev_is_active (&w->timer)) ev_unref (EV_A);
4386} 4507}
4387 4508
4388noinline 4509ecb_noinline
4389static void 4510static void
4390infy_del (EV_P_ ev_stat *w) 4511infy_del (EV_P_ ev_stat *w)
4391{ 4512{
4392 int slot; 4513 int slot;
4393 int wd = w->wd; 4514 int wd = w->wd;
… …
4401 4522
4402 /* remove this watcher, if others are watching it, they will rearm */ 4523 /* remove this watcher, if others are watching it, they will rearm */
4403 inotify_rm_watch (fs_fd, wd); 4524 inotify_rm_watch (fs_fd, wd);
4404} 4525}
4405 4526
4406noinline 4527ecb_noinline
4407static void 4528static void
4408infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 4529infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4409{ 4530{
4410 if (slot < 0) 4531 if (slot < 0)
4411 /* overflow, need to check for all hash slots */ 4532 /* overflow, need to check for all hash slots */
… …
4557 w->attr.st_nlink = 0; 4678 w->attr.st_nlink = 0;
4558 else if (!w->attr.st_nlink) 4679 else if (!w->attr.st_nlink)
4559 w->attr.st_nlink = 1; 4680 w->attr.st_nlink = 1;
4560} 4681}
4561 4682
4562noinline 4683ecb_noinline
4563static void 4684static void
4564stat_timer_cb (EV_P_ ev_timer *w_, int revents) 4685stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4565{ 4686{
4566 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 4687 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4567 4688
… …
4601} 4722}
4602 4723
4603void 4724void
4604ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT 4725ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4605{ 4726{
4606 if (expect_false (ev_is_active (w))) 4727 if (ecb_expect_false (ev_is_active (w)))
4607 return; 4728 return;
4608 4729
4609 ev_stat_stat (EV_A_ w); 4730 ev_stat_stat (EV_A_ w);
4610 4731
4611 if (w->interval < MIN_STAT_INTERVAL && w->interval) 4732 if (w->interval < MIN_STAT_INTERVAL && w->interval)
… …
4633 4754
4634void 4755void
4635ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT 4756ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4636{ 4757{
4637 clear_pending (EV_A_ (W)w); 4758 clear_pending (EV_A_ (W)w);
4638 if (expect_false (!ev_is_active (w))) 4759 if (ecb_expect_false (!ev_is_active (w)))
4639 return; 4760 return;
4640 4761
4641 EV_FREQUENT_CHECK; 4762 EV_FREQUENT_CHECK;
4642 4763
4643#if EV_USE_INOTIFY 4764#if EV_USE_INOTIFY
… …
4658 4779
4659#if EV_IDLE_ENABLE 4780#if EV_IDLE_ENABLE
4660void 4781void
4661ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT 4782ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4662{ 4783{
4663 if (expect_false (ev_is_active (w))) 4784 if (ecb_expect_false (ev_is_active (w)))
4664 return; 4785 return;
4665 4786
4666 pri_adjust (EV_A_ (W)w); 4787 pri_adjust (EV_A_ (W)w);
4667 4788
4668 EV_FREQUENT_CHECK; 4789 EV_FREQUENT_CHECK;
… …
4682 4803
4683void 4804void
4684ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT 4805ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4685{ 4806{
4686 clear_pending (EV_A_ (W)w); 4807 clear_pending (EV_A_ (W)w);
4687 if (expect_false (!ev_is_active (w))) 4808 if (ecb_expect_false (!ev_is_active (w)))
4688 return; 4809 return;
4689 4810
4690 EV_FREQUENT_CHECK; 4811 EV_FREQUENT_CHECK;
4691 4812
4692 { 4813 {
… …
4705 4826
4706#if EV_PREPARE_ENABLE 4827#if EV_PREPARE_ENABLE
4707void 4828void
4708ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT 4829ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4709{ 4830{
4710 if (expect_false (ev_is_active (w))) 4831 if (ecb_expect_false (ev_is_active (w)))
4711 return; 4832 return;
4712 4833
4713 EV_FREQUENT_CHECK; 4834 EV_FREQUENT_CHECK;
4714 4835
4715 ev_start (EV_A_ (W)w, ++preparecnt); 4836 ev_start (EV_A_ (W)w, ++preparecnt);
… …
4721 4842
4722void 4843void
4723ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT 4844ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4724{ 4845{
4725 clear_pending (EV_A_ (W)w); 4846 clear_pending (EV_A_ (W)w);
4726 if (expect_false (!ev_is_active (w))) 4847 if (ecb_expect_false (!ev_is_active (w)))
4727 return; 4848 return;
4728 4849
4729 EV_FREQUENT_CHECK; 4850 EV_FREQUENT_CHECK;
4730 4851
4731 { 4852 {
… …
4743 4864
4744#if EV_CHECK_ENABLE 4865#if EV_CHECK_ENABLE
4745void 4866void
4746ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT 4867ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4747{ 4868{
4748 if (expect_false (ev_is_active (w))) 4869 if (ecb_expect_false (ev_is_active (w)))
4749 return; 4870 return;
4750 4871
4751 EV_FREQUENT_CHECK; 4872 EV_FREQUENT_CHECK;
4752 4873
4753 ev_start (EV_A_ (W)w, ++checkcnt); 4874 ev_start (EV_A_ (W)w, ++checkcnt);
… …
4759 4880
4760void 4881void
4761ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT 4882ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4762{ 4883{
4763 clear_pending (EV_A_ (W)w); 4884 clear_pending (EV_A_ (W)w);
4764 if (expect_false (!ev_is_active (w))) 4885 if (ecb_expect_false (!ev_is_active (w)))
4765 return; 4886 return;
4766 4887
4767 EV_FREQUENT_CHECK; 4888 EV_FREQUENT_CHECK;
4768 4889
4769 { 4890 {
… …
4778 EV_FREQUENT_CHECK; 4899 EV_FREQUENT_CHECK;
4779} 4900}
4780#endif 4901#endif
4781 4902
4782#if EV_EMBED_ENABLE 4903#if EV_EMBED_ENABLE
4783noinline 4904ecb_noinline
4784void 4905void
4785ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT 4906ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4786{ 4907{
4787 ev_run (w->other, EVRUN_NOWAIT); 4908 ev_run (w->other, EVRUN_NOWAIT);
4788} 4909}
… …
4840#endif 4961#endif
4841 4962
4842void 4963void
4843ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT 4964ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4844{ 4965{
4845 if (expect_false (ev_is_active (w))) 4966 if (ecb_expect_false (ev_is_active (w)))
4846 return; 4967 return;
4847 4968
4848 { 4969 {
4849 EV_P = w->other; 4970 EV_P = w->other;
4850 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 4971 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
… …
4872 4993
4873void 4994void
4874ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT 4995ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4875{ 4996{
4876 clear_pending (EV_A_ (W)w); 4997 clear_pending (EV_A_ (W)w);
4877 if (expect_false (!ev_is_active (w))) 4998 if (ecb_expect_false (!ev_is_active (w)))
4878 return; 4999 return;
4879 5000
4880 EV_FREQUENT_CHECK; 5001 EV_FREQUENT_CHECK;
4881 5002
4882 ev_io_stop (EV_A_ &w->io); 5003 ev_io_stop (EV_A_ &w->io);
… …
4891 5012
4892#if EV_FORK_ENABLE 5013#if EV_FORK_ENABLE
4893void 5014void
4894ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT 5015ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4895{ 5016{
4896 if (expect_false (ev_is_active (w))) 5017 if (ecb_expect_false (ev_is_active (w)))
4897 return; 5018 return;
4898 5019
4899 EV_FREQUENT_CHECK; 5020 EV_FREQUENT_CHECK;
4900 5021
4901 ev_start (EV_A_ (W)w, ++forkcnt); 5022 ev_start (EV_A_ (W)w, ++forkcnt);
… …
4907 5028
4908void 5029void
4909ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT 5030ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4910{ 5031{
4911 clear_pending (EV_A_ (W)w); 5032 clear_pending (EV_A_ (W)w);
4912 if (expect_false (!ev_is_active (w))) 5033 if (ecb_expect_false (!ev_is_active (w)))
4913 return; 5034 return;
4914 5035
4915 EV_FREQUENT_CHECK; 5036 EV_FREQUENT_CHECK;
4916 5037
4917 { 5038 {
… …
4929 5050
4930#if EV_CLEANUP_ENABLE 5051#if EV_CLEANUP_ENABLE
4931void 5052void
4932ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5053ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4933{ 5054{
4934 if (expect_false (ev_is_active (w))) 5055 if (ecb_expect_false (ev_is_active (w)))
4935 return; 5056 return;
4936 5057
4937 EV_FREQUENT_CHECK; 5058 EV_FREQUENT_CHECK;
4938 5059
4939 ev_start (EV_A_ (W)w, ++cleanupcnt); 5060 ev_start (EV_A_ (W)w, ++cleanupcnt);
… …
4947 5068
4948void 5069void
4949ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5070ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4950{ 5071{
4951 clear_pending (EV_A_ (W)w); 5072 clear_pending (EV_A_ (W)w);
4952 if (expect_false (!ev_is_active (w))) 5073 if (ecb_expect_false (!ev_is_active (w)))
4953 return; 5074 return;
4954 5075
4955 EV_FREQUENT_CHECK; 5076 EV_FREQUENT_CHECK;
4956 ev_ref (EV_A); 5077 ev_ref (EV_A);
4957 5078
… …
4970 5091
4971#if EV_ASYNC_ENABLE 5092#if EV_ASYNC_ENABLE
4972void 5093void
4973ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT 5094ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4974{ 5095{
4975 if (expect_false (ev_is_active (w))) 5096 if (ecb_expect_false (ev_is_active (w)))
4976 return; 5097 return;
4977 5098
4978 w->sent = 0; 5099 w->sent = 0;
4979 5100
4980 evpipe_init (EV_A); 5101 evpipe_init (EV_A);
… …
4990 5111
4991void 5112void
4992ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT 5113ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4993{ 5114{
4994 clear_pending (EV_A_ (W)w); 5115 clear_pending (EV_A_ (W)w);
4995 if (expect_false (!ev_is_active (w))) 5116 if (ecb_expect_false (!ev_is_active (w)))
4996 return; 5117 return;
4997 5118
4998 EV_FREQUENT_CHECK; 5119 EV_FREQUENT_CHECK;
4999 5120
5000 { 5121 {

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