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Comparing libev/ev.c (file contents):
Revision 1.499 by root, Wed Jun 26 07:50:27 2019 UTC vs.
Revision 1.502 by root, Tue Jul 2 06:07:54 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 !__alpha && !SYS_io_uring_setup
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 */
… …
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
1635 /* argument too large for an unsigned long? */ 1731 /* argument too large for an unsigned long? */
1636 if (expect_false (v >= shift)) 1732 if (ecb_expect_false (v >= shift))
1637 { 1733 {
1638 ev_tstamp f; 1734 ev_tstamp f;
1639 1735
1640 if (v == v - 1.) 1736 if (v == v - 1.)
1641 return v; /* very large number */ 1737 return v; /* very large number */
… …
1643 f = shift * ev_floor (v * (1. / shift)); 1739 f = shift * ev_floor (v * (1. / shift));
1644 return f + ev_floor (v - f); 1740 return f + ev_floor (v - f);
1645 } 1741 }
1646 1742
1647 /* special treatment for negative args? */ 1743 /* special treatment for negative args? */
1648 if (expect_false (v < 0.)) 1744 if (ecb_expect_false (v < 0.))
1649 { 1745 {
1650 ev_tstamp f = -ev_floor (-v); 1746 ev_tstamp f = -ev_floor (-v);
1651 1747
1652 return f - (f == v ? 0 : 1); 1748 return f - (f == v ? 0 : 1);
1653 } 1749 }
… …
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 }
… …
3766 idle_reify (EV_A); 3886 idle_reify (EV_A);
3767#endif 3887#endif
3768 3888
3769#if EV_CHECK_ENABLE 3889#if EV_CHECK_ENABLE
3770 /* queue check watchers, to be executed first */ 3890 /* queue check watchers, to be executed first */
3771 if (expect_false (checkcnt)) 3891 if (ecb_expect_false (checkcnt))
3772 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 3892 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3773#endif 3893#endif
3774 3894
3775 EV_INVOKE_PENDING; 3895 EV_INVOKE_PENDING;
3776 } 3896 }
3777 while (expect_true ( 3897 while (ecb_expect_true (
3778 activecnt 3898 activecnt
3779 && !loop_done 3899 && !loop_done
3780 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) 3900 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3781 )); 3901 ));
3782 3902
… …
3846inline_size void 3966inline_size void
3847wlist_del (WL *head, WL elem) 3967wlist_del (WL *head, WL elem)
3848{ 3968{
3849 while (*head) 3969 while (*head)
3850 { 3970 {
3851 if (expect_true (*head == elem)) 3971 if (ecb_expect_true (*head == elem))
3852 { 3972 {
3853 *head = elem->next; 3973 *head = elem->next;
3854 break; 3974 break;
3855 } 3975 }
3856 3976
… …
3873ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT 3993ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3874{ 3994{
3875 W w_ = (W)w; 3995 W w_ = (W)w;
3876 int pending = w_->pending; 3996 int pending = w_->pending;
3877 3997
3878 if (expect_true (pending)) 3998 if (ecb_expect_true (pending))
3879 { 3999 {
3880 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; 4000 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3881 p->w = (W)&pending_w; 4001 p->w = (W)&pending_w;
3882 w_->pending = 0; 4002 w_->pending = 0;
3883 return p->events; 4003 return p->events;
… …
3910 w->active = 0; 4030 w->active = 0;
3911} 4031}
3912 4032
3913/*****************************************************************************/ 4033/*****************************************************************************/
3914 4034
3915noinline 4035ecb_noinline
3916void 4036void
3917ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT 4037ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3918{ 4038{
3919 int fd = w->fd; 4039 int fd = w->fd;
3920 4040
3921 if (expect_false (ev_is_active (w))) 4041 if (ecb_expect_false (ev_is_active (w)))
3922 return; 4042 return;
3923 4043
3924 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 4044 assert (("libev: ev_io_start called with negative fd", fd >= 0));
3925 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))));
3926 4046
… …
3940 w->events &= ~EV__IOFDSET; 4060 w->events &= ~EV__IOFDSET;
3941 4061
3942 EV_FREQUENT_CHECK; 4062 EV_FREQUENT_CHECK;
3943} 4063}
3944 4064
3945noinline 4065ecb_noinline
3946void 4066void
3947ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT 4067ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3948{ 4068{
3949 clear_pending (EV_A_ (W)w); 4069 clear_pending (EV_A_ (W)w);
3950 if (expect_false (!ev_is_active (w))) 4070 if (ecb_expect_false (!ev_is_active (w)))
3951 return; 4071 return;
3952 4072
3953 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));
3954 4074
3955#if EV_VERIFY >= 2 4075#if EV_VERIFY >= 2
… …
3963 fd_change (EV_A_ w->fd, EV_ANFD_REIFY); 4083 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3964 4084
3965 EV_FREQUENT_CHECK; 4085 EV_FREQUENT_CHECK;
3966} 4086}
3967 4087
3968noinline 4088ecb_noinline
3969void 4089void
3970ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT 4090ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3971{ 4091{
3972 if (expect_false (ev_is_active (w))) 4092 if (ecb_expect_false (ev_is_active (w)))
3973 return; 4093 return;
3974 4094
3975 ev_at (w) += mn_now; 4095 ev_at (w) += mn_now;
3976 4096
3977 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.));
… …
3988 EV_FREQUENT_CHECK; 4108 EV_FREQUENT_CHECK;
3989 4109
3990 /*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));*/
3991} 4111}
3992 4112
3993noinline 4113ecb_noinline
3994void 4114void
3995ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT 4115ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3996{ 4116{
3997 clear_pending (EV_A_ (W)w); 4117 clear_pending (EV_A_ (W)w);
3998 if (expect_false (!ev_is_active (w))) 4118 if (ecb_expect_false (!ev_is_active (w)))
3999 return; 4119 return;
4000 4120
4001 EV_FREQUENT_CHECK; 4121 EV_FREQUENT_CHECK;
4002 4122
4003 { 4123 {
… …
4005 4125
4006 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));
4007 4127
4008 --timercnt; 4128 --timercnt;
4009 4129
4010 if (expect_true (active < timercnt + HEAP0)) 4130 if (ecb_expect_true (active < timercnt + HEAP0))
4011 { 4131 {
4012 timers [active] = timers [timercnt + HEAP0]; 4132 timers [active] = timers [timercnt + HEAP0];
4013 adjustheap (timers, timercnt, active); 4133 adjustheap (timers, timercnt, active);
4014 } 4134 }
4015 } 4135 }
… …
4019 ev_stop (EV_A_ (W)w); 4139 ev_stop (EV_A_ (W)w);
4020 4140
4021 EV_FREQUENT_CHECK; 4141 EV_FREQUENT_CHECK;
4022} 4142}
4023 4143
4024noinline 4144ecb_noinline
4025void 4145void
4026ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT 4146ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
4027{ 4147{
4028 EV_FREQUENT_CHECK; 4148 EV_FREQUENT_CHECK;
4029 4149
… …
4054{ 4174{
4055 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4175 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
4056} 4176}
4057 4177
4058#if EV_PERIODIC_ENABLE 4178#if EV_PERIODIC_ENABLE
4059noinline 4179ecb_noinline
4060void 4180void
4061ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT 4181ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4062{ 4182{
4063 if (expect_false (ev_is_active (w))) 4183 if (ecb_expect_false (ev_is_active (w)))
4064 return; 4184 return;
4065 4185
4066 if (w->reschedule_cb) 4186 if (w->reschedule_cb)
4067 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 4187 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
4068 else if (w->interval) 4188 else if (w->interval)
… …
4085 EV_FREQUENT_CHECK; 4205 EV_FREQUENT_CHECK;
4086 4206
4087 /*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));*/
4088} 4208}
4089 4209
4090noinline 4210ecb_noinline
4091void 4211void
4092ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT 4212ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4093{ 4213{
4094 clear_pending (EV_A_ (W)w); 4214 clear_pending (EV_A_ (W)w);
4095 if (expect_false (!ev_is_active (w))) 4215 if (ecb_expect_false (!ev_is_active (w)))
4096 return; 4216 return;
4097 4217
4098 EV_FREQUENT_CHECK; 4218 EV_FREQUENT_CHECK;
4099 4219
4100 { 4220 {
… …
4102 4222
4103 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));
4104 4224
4105 --periodiccnt; 4225 --periodiccnt;
4106 4226
4107 if (expect_true (active < periodiccnt + HEAP0)) 4227 if (ecb_expect_true (active < periodiccnt + HEAP0))
4108 { 4228 {
4109 periodics [active] = periodics [periodiccnt + HEAP0]; 4229 periodics [active] = periodics [periodiccnt + HEAP0];
4110 adjustheap (periodics, periodiccnt, active); 4230 adjustheap (periodics, periodiccnt, active);
4111 } 4231 }
4112 } 4232 }
… …
4114 ev_stop (EV_A_ (W)w); 4234 ev_stop (EV_A_ (W)w);
4115 4235
4116 EV_FREQUENT_CHECK; 4236 EV_FREQUENT_CHECK;
4117} 4237}
4118 4238
4119noinline 4239ecb_noinline
4120void 4240void
4121ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT 4241ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4122{ 4242{
4123 /* TODO: use adjustheap and recalculation */ 4243 /* TODO: use adjustheap and recalculation */
4124 ev_periodic_stop (EV_A_ w); 4244 ev_periodic_stop (EV_A_ w);
… …
4130# define SA_RESTART 0 4250# define SA_RESTART 0
4131#endif 4251#endif
4132 4252
4133#if EV_SIGNAL_ENABLE 4253#if EV_SIGNAL_ENABLE
4134 4254
4135noinline 4255ecb_noinline
4136void 4256void
4137ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT 4257ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4138{ 4258{
4139 if (expect_false (ev_is_active (w))) 4259 if (ecb_expect_false (ev_is_active (w)))
4140 return; 4260 return;
4141 4261
4142 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));
4143 4263
4144#if EV_MULTIPLICITY 4264#if EV_MULTIPLICITY
… …
4213 } 4333 }
4214 4334
4215 EV_FREQUENT_CHECK; 4335 EV_FREQUENT_CHECK;
4216} 4336}
4217 4337
4218noinline 4338ecb_noinline
4219void 4339void
4220ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT 4340ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4221{ 4341{
4222 clear_pending (EV_A_ (W)w); 4342 clear_pending (EV_A_ (W)w);
4223 if (expect_false (!ev_is_active (w))) 4343 if (ecb_expect_false (!ev_is_active (w)))
4224 return; 4344 return;
4225 4345
4226 EV_FREQUENT_CHECK; 4346 EV_FREQUENT_CHECK;
4227 4347
4228 wlist_del (&signals [w->signum - 1].head, (WL)w); 4348 wlist_del (&signals [w->signum - 1].head, (WL)w);
… …
4261ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT 4381ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4262{ 4382{
4263#if EV_MULTIPLICITY 4383#if EV_MULTIPLICITY
4264 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));
4265#endif 4385#endif
4266 if (expect_false (ev_is_active (w))) 4386 if (ecb_expect_false (ev_is_active (w)))
4267 return; 4387 return;
4268 4388
4269 EV_FREQUENT_CHECK; 4389 EV_FREQUENT_CHECK;
4270 4390
4271 ev_start (EV_A_ (W)w, 1); 4391 ev_start (EV_A_ (W)w, 1);
… …
4276 4396
4277void 4397void
4278ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT 4398ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4279{ 4399{
4280 clear_pending (EV_A_ (W)w); 4400 clear_pending (EV_A_ (W)w);
4281 if (expect_false (!ev_is_active (w))) 4401 if (ecb_expect_false (!ev_is_active (w)))
4282 return; 4402 return;
4283 4403
4284 EV_FREQUENT_CHECK; 4404 EV_FREQUENT_CHECK;
4285 4405
4286 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); 4406 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
… …
4300 4420
4301#define DEF_STAT_INTERVAL 5.0074891 4421#define DEF_STAT_INTERVAL 5.0074891
4302#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ 4422#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4303#define MIN_STAT_INTERVAL 0.1074891 4423#define MIN_STAT_INTERVAL 0.1074891
4304 4424
4305noinline 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);
4306 4426
4307#if EV_USE_INOTIFY 4427#if EV_USE_INOTIFY
4308 4428
4309/* 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 */
4310# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 4430# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4311 4431
4312noinline 4432ecb_noinline
4313static void 4433static void
4314infy_add (EV_P_ ev_stat *w) 4434infy_add (EV_P_ ev_stat *w)
4315{ 4435{
4316 w->wd = inotify_add_watch (fs_fd, w->path, 4436 w->wd = inotify_add_watch (fs_fd, w->path,
4317 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY 4437 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
… …
4382 if (ev_is_active (&w->timer)) ev_ref (EV_A); 4502 if (ev_is_active (&w->timer)) ev_ref (EV_A);
4383 ev_timer_again (EV_A_ &w->timer); 4503 ev_timer_again (EV_A_ &w->timer);
4384 if (ev_is_active (&w->timer)) ev_unref (EV_A); 4504 if (ev_is_active (&w->timer)) ev_unref (EV_A);
4385} 4505}
4386 4506
4387noinline 4507ecb_noinline
4388static void 4508static void
4389infy_del (EV_P_ ev_stat *w) 4509infy_del (EV_P_ ev_stat *w)
4390{ 4510{
4391 int slot; 4511 int slot;
4392 int wd = w->wd; 4512 int wd = w->wd;
… …
4400 4520
4401 /* remove this watcher, if others are watching it, they will rearm */ 4521 /* remove this watcher, if others are watching it, they will rearm */
4402 inotify_rm_watch (fs_fd, wd); 4522 inotify_rm_watch (fs_fd, wd);
4403} 4523}
4404 4524
4405noinline 4525ecb_noinline
4406static void 4526static void
4407infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 4527infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4408{ 4528{
4409 if (slot < 0) 4529 if (slot < 0)
4410 /* overflow, need to check for all hash slots */ 4530 /* overflow, need to check for all hash slots */
… …
4556 w->attr.st_nlink = 0; 4676 w->attr.st_nlink = 0;
4557 else if (!w->attr.st_nlink) 4677 else if (!w->attr.st_nlink)
4558 w->attr.st_nlink = 1; 4678 w->attr.st_nlink = 1;
4559} 4679}
4560 4680
4561noinline 4681ecb_noinline
4562static void 4682static void
4563stat_timer_cb (EV_P_ ev_timer *w_, int revents) 4683stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4564{ 4684{
4565 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 4685 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4566 4686
… …
4600} 4720}
4601 4721
4602void 4722void
4603ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT 4723ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4604{ 4724{
4605 if (expect_false (ev_is_active (w))) 4725 if (ecb_expect_false (ev_is_active (w)))
4606 return; 4726 return;
4607 4727
4608 ev_stat_stat (EV_A_ w); 4728 ev_stat_stat (EV_A_ w);
4609 4729
4610 if (w->interval < MIN_STAT_INTERVAL && w->interval) 4730 if (w->interval < MIN_STAT_INTERVAL && w->interval)
… …
4632 4752
4633void 4753void
4634ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT 4754ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4635{ 4755{
4636 clear_pending (EV_A_ (W)w); 4756 clear_pending (EV_A_ (W)w);
4637 if (expect_false (!ev_is_active (w))) 4757 if (ecb_expect_false (!ev_is_active (w)))
4638 return; 4758 return;
4639 4759
4640 EV_FREQUENT_CHECK; 4760 EV_FREQUENT_CHECK;
4641 4761
4642#if EV_USE_INOTIFY 4762#if EV_USE_INOTIFY
… …
4657 4777
4658#if EV_IDLE_ENABLE 4778#if EV_IDLE_ENABLE
4659void 4779void
4660ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT 4780ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4661{ 4781{
4662 if (expect_false (ev_is_active (w))) 4782 if (ecb_expect_false (ev_is_active (w)))
4663 return; 4783 return;
4664 4784
4665 pri_adjust (EV_A_ (W)w); 4785 pri_adjust (EV_A_ (W)w);
4666 4786
4667 EV_FREQUENT_CHECK; 4787 EV_FREQUENT_CHECK;
… …
4681 4801
4682void 4802void
4683ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT 4803ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4684{ 4804{
4685 clear_pending (EV_A_ (W)w); 4805 clear_pending (EV_A_ (W)w);
4686 if (expect_false (!ev_is_active (w))) 4806 if (ecb_expect_false (!ev_is_active (w)))
4687 return; 4807 return;
4688 4808
4689 EV_FREQUENT_CHECK; 4809 EV_FREQUENT_CHECK;
4690 4810
4691 { 4811 {
… …
4704 4824
4705#if EV_PREPARE_ENABLE 4825#if EV_PREPARE_ENABLE
4706void 4826void
4707ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT 4827ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4708{ 4828{
4709 if (expect_false (ev_is_active (w))) 4829 if (ecb_expect_false (ev_is_active (w)))
4710 return; 4830 return;
4711 4831
4712 EV_FREQUENT_CHECK; 4832 EV_FREQUENT_CHECK;
4713 4833
4714 ev_start (EV_A_ (W)w, ++preparecnt); 4834 ev_start (EV_A_ (W)w, ++preparecnt);
… …
4720 4840
4721void 4841void
4722ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT 4842ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4723{ 4843{
4724 clear_pending (EV_A_ (W)w); 4844 clear_pending (EV_A_ (W)w);
4725 if (expect_false (!ev_is_active (w))) 4845 if (ecb_expect_false (!ev_is_active (w)))
4726 return; 4846 return;
4727 4847
4728 EV_FREQUENT_CHECK; 4848 EV_FREQUENT_CHECK;
4729 4849
4730 { 4850 {
… …
4742 4862
4743#if EV_CHECK_ENABLE 4863#if EV_CHECK_ENABLE
4744void 4864void
4745ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT 4865ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4746{ 4866{
4747 if (expect_false (ev_is_active (w))) 4867 if (ecb_expect_false (ev_is_active (w)))
4748 return; 4868 return;
4749 4869
4750 EV_FREQUENT_CHECK; 4870 EV_FREQUENT_CHECK;
4751 4871
4752 ev_start (EV_A_ (W)w, ++checkcnt); 4872 ev_start (EV_A_ (W)w, ++checkcnt);
… …
4758 4878
4759void 4879void
4760ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT 4880ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4761{ 4881{
4762 clear_pending (EV_A_ (W)w); 4882 clear_pending (EV_A_ (W)w);
4763 if (expect_false (!ev_is_active (w))) 4883 if (ecb_expect_false (!ev_is_active (w)))
4764 return; 4884 return;
4765 4885
4766 EV_FREQUENT_CHECK; 4886 EV_FREQUENT_CHECK;
4767 4887
4768 { 4888 {
… …
4777 EV_FREQUENT_CHECK; 4897 EV_FREQUENT_CHECK;
4778} 4898}
4779#endif 4899#endif
4780 4900
4781#if EV_EMBED_ENABLE 4901#if EV_EMBED_ENABLE
4782noinline 4902ecb_noinline
4783void 4903void
4784ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT 4904ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4785{ 4905{
4786 ev_run (w->other, EVRUN_NOWAIT); 4906 ev_run (w->other, EVRUN_NOWAIT);
4787} 4907}
… …
4839#endif 4959#endif
4840 4960
4841void 4961void
4842ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT 4962ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4843{ 4963{
4844 if (expect_false (ev_is_active (w))) 4964 if (ecb_expect_false (ev_is_active (w)))
4845 return; 4965 return;
4846 4966
4847 { 4967 {
4848 EV_P = w->other; 4968 EV_P = w->other;
4849 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 ()));
… …
4871 4991
4872void 4992void
4873ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT 4993ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4874{ 4994{
4875 clear_pending (EV_A_ (W)w); 4995 clear_pending (EV_A_ (W)w);
4876 if (expect_false (!ev_is_active (w))) 4996 if (ecb_expect_false (!ev_is_active (w)))
4877 return; 4997 return;
4878 4998
4879 EV_FREQUENT_CHECK; 4999 EV_FREQUENT_CHECK;
4880 5000
4881 ev_io_stop (EV_A_ &w->io); 5001 ev_io_stop (EV_A_ &w->io);
… …
4890 5010
4891#if EV_FORK_ENABLE 5011#if EV_FORK_ENABLE
4892void 5012void
4893ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT 5013ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4894{ 5014{
4895 if (expect_false (ev_is_active (w))) 5015 if (ecb_expect_false (ev_is_active (w)))
4896 return; 5016 return;
4897 5017
4898 EV_FREQUENT_CHECK; 5018 EV_FREQUENT_CHECK;
4899 5019
4900 ev_start (EV_A_ (W)w, ++forkcnt); 5020 ev_start (EV_A_ (W)w, ++forkcnt);
… …
4906 5026
4907void 5027void
4908ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT 5028ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4909{ 5029{
4910 clear_pending (EV_A_ (W)w); 5030 clear_pending (EV_A_ (W)w);
4911 if (expect_false (!ev_is_active (w))) 5031 if (ecb_expect_false (!ev_is_active (w)))
4912 return; 5032 return;
4913 5033
4914 EV_FREQUENT_CHECK; 5034 EV_FREQUENT_CHECK;
4915 5035
4916 { 5036 {
… …
4928 5048
4929#if EV_CLEANUP_ENABLE 5049#if EV_CLEANUP_ENABLE
4930void 5050void
4931ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5051ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4932{ 5052{
4933 if (expect_false (ev_is_active (w))) 5053 if (ecb_expect_false (ev_is_active (w)))
4934 return; 5054 return;
4935 5055
4936 EV_FREQUENT_CHECK; 5056 EV_FREQUENT_CHECK;
4937 5057
4938 ev_start (EV_A_ (W)w, ++cleanupcnt); 5058 ev_start (EV_A_ (W)w, ++cleanupcnt);
… …
4946 5066
4947void 5067void
4948ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5068ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4949{ 5069{
4950 clear_pending (EV_A_ (W)w); 5070 clear_pending (EV_A_ (W)w);
4951 if (expect_false (!ev_is_active (w))) 5071 if (ecb_expect_false (!ev_is_active (w)))
4952 return; 5072 return;
4953 5073
4954 EV_FREQUENT_CHECK; 5074 EV_FREQUENT_CHECK;
4955 ev_ref (EV_A); 5075 ev_ref (EV_A);
4956 5076
… …
4969 5089
4970#if EV_ASYNC_ENABLE 5090#if EV_ASYNC_ENABLE
4971void 5091void
4972ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT 5092ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4973{ 5093{
4974 if (expect_false (ev_is_active (w))) 5094 if (ecb_expect_false (ev_is_active (w)))
4975 return; 5095 return;
4976 5096
4977 w->sent = 0; 5097 w->sent = 0;
4978 5098
4979 evpipe_init (EV_A); 5099 evpipe_init (EV_A);
… …
4989 5109
4990void 5110void
4991ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT 5111ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4992{ 5112{
4993 clear_pending (EV_A_ (W)w); 5113 clear_pending (EV_A_ (W)w);
4994 if (expect_false (!ev_is_active (w))) 5114 if (ecb_expect_false (!ev_is_active (w)))
4995 return; 5115 return;
4996 5116
4997 EV_FREQUENT_CHECK; 5117 EV_FREQUENT_CHECK;
4998 5118
4999 { 5119 {

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