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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 1.509 by root, Sat Aug 17 05:30:16 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) */
514 540
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.) \
548
549#ifndef EV_TS_CONST
550# define EV_TS_CONST(nv) nv
551# define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999
552# define EV_TS_FROM_USEC(us) us * 1e-6
515#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) 553# 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) 554# define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
555# define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6)
556# define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9)
557#endif
517 558
518/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ 559/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
519/* ECB.H BEGIN */ 560/* ECB.H BEGIN */
520/* 561/*
521 * libecb - http://software.schmorp.de/pkg/libecb 562 * libecb - http://software.schmorp.de/pkg/libecb
… …
1536/* ECB.H END */ 1577/* ECB.H END */
1537 1578
1538#if ECB_MEMORY_FENCE_NEEDS_PTHREADS 1579#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1539/* if your architecture doesn't need memory fences, e.g. because it is 1580/* 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 1581 * 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 1582 * from multiple threads, then you can define ECB_NO_THREADS when compiling
1542 * libev, in which cases the memory fences become nops. 1583 * libev, in which cases the memory fences become nops.
1543 * alternatively, you can remove this #error and link against libpthread, 1584 * alternatively, you can remove this #error and link against libpthread,
1544 * which will then provide the memory fences. 1585 * which will then provide the memory fences.
1545 */ 1586 */
1546# error "memory fences not defined for your architecture, please report" 1587# error "memory fences not defined for your architecture, please report"
… …
1550# define ECB_MEMORY_FENCE do { } while (0) 1591# define ECB_MEMORY_FENCE do { } while (0)
1551# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 1592# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1552# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 1593# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1553#endif 1594#endif
1554 1595
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 1596#define inline_size ecb_inline
1560 1597
1561#if EV_FEATURE_CODE 1598#if EV_FEATURE_CODE
1562# define inline_speed ecb_inline 1599# define inline_speed ecb_inline
1563#else 1600#else
1564# define inline_speed noinline static 1601# define inline_speed ecb_noinline static
1565#endif 1602#endif
1603
1604/*****************************************************************************/
1605/* raw syscall wrappers */
1606
1607#if EV_NEED_SYSCALL
1608
1609#include <sys/syscall.h>
1610
1611/*
1612 * define some syscall wrappers for common architectures
1613 * this is mostly for nice looks during debugging, not performance.
1614 * our syscalls return < 0, not == -1, on error. which is good
1615 * enough for linux aio.
1616 * TODO: arm is also common nowadays, maybe even mips and x86
1617 * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
1618 */
1619#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
1620 /* the costly errno access probably kills this for size optimisation */
1621
1622 #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
1623 ({ \
1624 long res; \
1625 register unsigned long r6 __asm__ ("r9" ); \
1626 register unsigned long r5 __asm__ ("r8" ); \
1627 register unsigned long r4 __asm__ ("r10"); \
1628 register unsigned long r3 __asm__ ("rdx"); \
1629 register unsigned long r2 __asm__ ("rsi"); \
1630 register unsigned long r1 __asm__ ("rdi"); \
1631 if (narg >= 6) r6 = (unsigned long)(arg6); \
1632 if (narg >= 5) r5 = (unsigned long)(arg5); \
1633 if (narg >= 4) r4 = (unsigned long)(arg4); \
1634 if (narg >= 3) r3 = (unsigned long)(arg3); \
1635 if (narg >= 2) r2 = (unsigned long)(arg2); \
1636 if (narg >= 1) r1 = (unsigned long)(arg1); \
1637 __asm__ __volatile__ ( \
1638 "syscall\n\t" \
1639 : "=a" (res) \
1640 : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
1641 : "cc", "r11", "cx", "memory"); \
1642 errno = -res; \
1643 res; \
1644 })
1645
1646#endif
1647
1648#ifdef ev_syscall
1649 #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
1650 #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
1651 #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
1652 #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
1653 #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
1654 #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
1655 #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
1656#else
1657 #define ev_syscall0(nr) syscall (nr)
1658 #define ev_syscall1(nr,arg1) syscall (nr, arg1)
1659 #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
1660 #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
1661 #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
1662 #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
1663 #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
1664#endif
1665
1666#endif
1667
1668/*****************************************************************************/
1566 1669
1567#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 1670#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1568 1671
1569#if EV_MINPRI == EV_MAXPRI 1672#if EV_MINPRI == EV_MAXPRI
1570# define ABSPRI(w) (((W)w), 0) 1673# define ABSPRI(w) (((W)w), 0)
… …
1619#else 1722#else
1620 1723
1621#include <float.h> 1724#include <float.h>
1622 1725
1623/* a floor() replacement function, should be independent of ev_tstamp type */ 1726/* a floor() replacement function, should be independent of ev_tstamp type */
1624noinline 1727ecb_noinline
1625static ev_tstamp 1728static ev_tstamp
1626ev_floor (ev_tstamp v) 1729ev_floor (ev_tstamp v)
1627{ 1730{
1628 /* the choice of shift factor is not terribly important */ 1731 /* the choice of shift factor is not terribly important */
1629#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ 1732#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1630 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; 1733 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1631#else 1734#else
1632 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; 1735 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1633#endif 1736#endif
1634 1737
1738 /* special treatment for negative arguments */
1739 if (ecb_expect_false (v < 0.))
1740 {
1741 ev_tstamp f = -ev_floor (-v);
1742
1743 return f - (f == v ? 0 : 1);
1744 }
1745
1635 /* argument too large for an unsigned long? */ 1746 /* argument too large for an unsigned long? then reduce it */
1636 if (expect_false (v >= shift)) 1747 if (ecb_expect_false (v >= shift))
1637 { 1748 {
1638 ev_tstamp f; 1749 ev_tstamp f;
1639 1750
1640 if (v == v - 1.) 1751 if (v == v - 1.)
1641 return v; /* very large number */ 1752 return v; /* very large numbers are assumed to be integer */
1642 1753
1643 f = shift * ev_floor (v * (1. / shift)); 1754 f = shift * ev_floor (v * (1. / shift));
1644 return f + ev_floor (v - f); 1755 return f + ev_floor (v - f);
1645 } 1756 }
1646 1757
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 */ 1758 /* fits into an unsigned long */
1656 return (unsigned long)v; 1759 return (unsigned long)v;
1657} 1760}
1658 1761
1659#endif 1762#endif
… …
1662 1765
1663#ifdef __linux 1766#ifdef __linux
1664# include <sys/utsname.h> 1767# include <sys/utsname.h>
1665#endif 1768#endif
1666 1769
1667noinline ecb_cold 1770ecb_noinline ecb_cold
1668static unsigned int 1771static unsigned int
1669ev_linux_version (void) 1772ev_linux_version (void)
1670{ 1773{
1671#ifdef __linux 1774#ifdef __linux
1672 unsigned int v = 0; 1775 unsigned int v = 0;
… …
1702} 1805}
1703 1806
1704/*****************************************************************************/ 1807/*****************************************************************************/
1705 1808
1706#if EV_AVOID_STDIO 1809#if EV_AVOID_STDIO
1707noinline ecb_cold 1810ecb_noinline ecb_cold
1708static void 1811static void
1709ev_printerr (const char *msg) 1812ev_printerr (const char *msg)
1710{ 1813{
1711 write (STDERR_FILENO, msg, strlen (msg)); 1814 write (STDERR_FILENO, msg, strlen (msg));
1712} 1815}
… …
1719ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT 1822ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1720{ 1823{
1721 syserr_cb = cb; 1824 syserr_cb = cb;
1722} 1825}
1723 1826
1724noinline ecb_cold 1827ecb_noinline ecb_cold
1725static void 1828static void
1726ev_syserr (const char *msg) 1829ev_syserr (const char *msg)
1727{ 1830{
1728 if (!msg) 1831 if (!msg)
1729 msg = "(libev) system error"; 1832 msg = "(libev) system error";
… …
1801{ 1904{
1802 WL head; 1905 WL head;
1803 unsigned char events; /* the events watched for */ 1906 unsigned char events; /* the events watched for */
1804 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 1907 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 */ 1908 unsigned char emask; /* some backends store the actual kernel mask in here */
1806 unsigned char unused; 1909 unsigned char eflags; /* flags field for use by backends */
1807#if EV_USE_EPOLL 1910#if EV_USE_EPOLL
1808 unsigned int egen; /* generation counter to counter epoll bugs */ 1911 unsigned int egen; /* generation counter to counter epoll bugs */
1809#endif 1912#endif
1810#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1913#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1811 SOCKET handle; 1914 SOCKET handle;
… …
1865 static struct ev_loop default_loop_struct; 1968 static struct ev_loop default_loop_struct;
1866 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ 1969 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1867 1970
1868#else 1971#else
1869 1972
1870 EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ 1973 EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */
1871 #define VAR(name,decl) static decl; 1974 #define VAR(name,decl) static decl;
1872 #include "ev_vars.h" 1975 #include "ev_vars.h"
1873 #undef VAR 1976 #undef VAR
1874 1977
1875 static int ev_default_loop_ptr; 1978 static int ev_default_loop_ptr;
1876 1979
1877#endif 1980#endif
1878 1981
1879#if EV_FEATURE_API 1982#if EV_FEATURE_API
1880# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 1983# 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) 1984# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1882# define EV_INVOKE_PENDING invoke_cb (EV_A) 1985# define EV_INVOKE_PENDING invoke_cb (EV_A)
1883#else 1986#else
1884# define EV_RELEASE_CB (void)0 1987# define EV_RELEASE_CB (void)0
1885# define EV_ACQUIRE_CB (void)0 1988# define EV_ACQUIRE_CB (void)0
1886# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 1989# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
… …
1893#ifndef EV_HAVE_EV_TIME 1996#ifndef EV_HAVE_EV_TIME
1894ev_tstamp 1997ev_tstamp
1895ev_time (void) EV_NOEXCEPT 1998ev_time (void) EV_NOEXCEPT
1896{ 1999{
1897#if EV_USE_REALTIME 2000#if EV_USE_REALTIME
1898 if (expect_true (have_realtime)) 2001 if (ecb_expect_true (have_realtime))
1899 { 2002 {
1900 struct timespec ts; 2003 struct timespec ts;
1901 clock_gettime (CLOCK_REALTIME, &ts); 2004 clock_gettime (CLOCK_REALTIME, &ts);
1902 return ts.tv_sec + ts.tv_nsec * 1e-9; 2005 return EV_TS_GET (ts);
1903 } 2006 }
1904#endif 2007#endif
1905 2008
1906 struct timeval tv; 2009 struct timeval tv;
1907 gettimeofday (&tv, 0); 2010 gettimeofday (&tv, 0);
1908 return tv.tv_sec + tv.tv_usec * 1e-6; 2011 return EV_TV_GET (tv);
1909} 2012}
1910#endif 2013#endif
1911 2014
1912inline_size ev_tstamp 2015inline_size ev_tstamp
1913get_clock (void) 2016get_clock (void)
1914{ 2017{
1915#if EV_USE_MONOTONIC 2018#if EV_USE_MONOTONIC
1916 if (expect_true (have_monotonic)) 2019 if (ecb_expect_true (have_monotonic))
1917 { 2020 {
1918 struct timespec ts; 2021 struct timespec ts;
1919 clock_gettime (CLOCK_MONOTONIC, &ts); 2022 clock_gettime (CLOCK_MONOTONIC, &ts);
1920 return ts.tv_sec + ts.tv_nsec * 1e-9; 2023 return EV_TS_GET (ts);
1921 } 2024 }
1922#endif 2025#endif
1923 2026
1924 return ev_time (); 2027 return ev_time ();
1925} 2028}
… …
1933#endif 2036#endif
1934 2037
1935void 2038void
1936ev_sleep (ev_tstamp delay) EV_NOEXCEPT 2039ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1937{ 2040{
1938 if (delay > 0.) 2041 if (delay > EV_TS_CONST (0.))
1939 { 2042 {
1940#if EV_USE_NANOSLEEP 2043#if EV_USE_NANOSLEEP
1941 struct timespec ts; 2044 struct timespec ts;
1942 2045
1943 EV_TS_SET (ts, delay); 2046 EV_TS_SET (ts, delay);
1944 nanosleep (&ts, 0); 2047 nanosleep (&ts, 0);
1945#elif defined _WIN32 2048#elif defined _WIN32
1946 /* maybe this should round up, as ms is very low resolution */ 2049 /* maybe this should round up, as ms is very low resolution */
1947 /* compared to select (µs) or nanosleep (ns) */ 2050 /* compared to select (µs) or nanosleep (ns) */
1948 Sleep ((unsigned long)(delay * 1e3)); 2051 Sleep ((unsigned long)(EV_TS_TO_MSEC (delay)));
1949#else 2052#else
1950 struct timeval tv; 2053 struct timeval tv;
1951 2054
1952 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 2055 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1953 /* something not guaranteed by newer posix versions, but guaranteed */ 2056 /* something not guaranteed by newer posix versions, but guaranteed */
… …
1983 } 2086 }
1984 2087
1985 return ncur; 2088 return ncur;
1986} 2089}
1987 2090
1988noinline ecb_cold 2091ecb_noinline ecb_cold
1989static void * 2092static void *
1990array_realloc (int elem, void *base, int *cur, int cnt) 2093array_realloc (int elem, void *base, int *cur, int cnt)
1991{ 2094{
1992 *cur = array_nextsize (elem, *cur, cnt); 2095 *cur = array_nextsize (elem, *cur, cnt);
1993 return ev_realloc (base, elem * *cur); 2096 return ev_realloc (base, elem * *cur);
… …
1997 2100
1998#define array_needsize_zerofill(base,offset,count) \ 2101#define array_needsize_zerofill(base,offset,count) \
1999 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) 2102 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
2000 2103
2001#define array_needsize(type,base,cur,cnt,init) \ 2104#define array_needsize(type,base,cur,cnt,init) \
2002 if (expect_false ((cnt) > (cur))) \ 2105 if (ecb_expect_false ((cnt) > (cur))) \
2003 { \ 2106 { \
2004 ecb_unused int ocur_ = (cur); \ 2107 ecb_unused int ocur_ = (cur); \
2005 (base) = (type *)array_realloc \ 2108 (base) = (type *)array_realloc \
2006 (sizeof (type), (base), &(cur), (cnt)); \ 2109 (sizeof (type), (base), &(cur), (cnt)); \
2007 init ((base), ocur_, ((cur) - ocur_)); \ 2110 init ((base), ocur_, ((cur) - ocur_)); \
… …
2021 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 2124 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
2022 2125
2023/*****************************************************************************/ 2126/*****************************************************************************/
2024 2127
2025/* dummy callback for pending events */ 2128/* dummy callback for pending events */
2026noinline 2129ecb_noinline
2027static void 2130static void
2028pendingcb (EV_P_ ev_prepare *w, int revents) 2131pendingcb (EV_P_ ev_prepare *w, int revents)
2029{ 2132{
2030} 2133}
2031 2134
2032noinline 2135ecb_noinline
2033void 2136void
2034ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT 2137ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
2035{ 2138{
2036 W w_ = (W)w; 2139 W w_ = (W)w;
2037 int pri = ABSPRI (w_); 2140 int pri = ABSPRI (w_);
2038 2141
2039 if (expect_false (w_->pending)) 2142 if (ecb_expect_false (w_->pending))
2040 pendings [pri][w_->pending - 1].events |= revents; 2143 pendings [pri][w_->pending - 1].events |= revents;
2041 else 2144 else
2042 { 2145 {
2043 w_->pending = ++pendingcnt [pri]; 2146 w_->pending = ++pendingcnt [pri];
2044 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); 2147 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
… …
2095inline_speed void 2198inline_speed void
2096fd_event (EV_P_ int fd, int revents) 2199fd_event (EV_P_ int fd, int revents)
2097{ 2200{
2098 ANFD *anfd = anfds + fd; 2201 ANFD *anfd = anfds + fd;
2099 2202
2100 if (expect_true (!anfd->reify)) 2203 if (ecb_expect_true (!anfd->reify))
2101 fd_event_nocheck (EV_A_ fd, revents); 2204 fd_event_nocheck (EV_A_ fd, revents);
2102} 2205}
2103 2206
2104void 2207void
2105ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT 2208ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
… …
2149 unsigned char o_events = anfd->events; 2252 unsigned char o_events = anfd->events;
2150 unsigned char o_reify = anfd->reify; 2253 unsigned char o_reify = anfd->reify;
2151 2254
2152 anfd->reify = 0; 2255 anfd->reify = 0;
2153 2256
2154 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 2257 /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
2155 { 2258 {
2156 anfd->events = 0; 2259 anfd->events = 0;
2157 2260
2158 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 2261 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
2159 anfd->events |= (unsigned char)w->events; 2262 anfd->events |= (unsigned char)w->events;
… …
2175fd_change (EV_P_ int fd, int flags) 2278fd_change (EV_P_ int fd, int flags)
2176{ 2279{
2177 unsigned char reify = anfds [fd].reify; 2280 unsigned char reify = anfds [fd].reify;
2178 anfds [fd].reify |= flags; 2281 anfds [fd].reify |= flags;
2179 2282
2180 if (expect_true (!reify)) 2283 if (ecb_expect_true (!reify))
2181 { 2284 {
2182 ++fdchangecnt; 2285 ++fdchangecnt;
2183 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); 2286 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2184 fdchanges [fdchangecnt - 1] = fd; 2287 fdchanges [fdchangecnt - 1] = fd;
2185 } 2288 }
… …
2208 return fcntl (fd, F_GETFD) != -1; 2311 return fcntl (fd, F_GETFD) != -1;
2209#endif 2312#endif
2210} 2313}
2211 2314
2212/* called on EBADF to verify fds */ 2315/* called on EBADF to verify fds */
2213noinline ecb_cold 2316ecb_noinline ecb_cold
2214static void 2317static void
2215fd_ebadf (EV_P) 2318fd_ebadf (EV_P)
2216{ 2319{
2217 int fd; 2320 int fd;
2218 2321
… …
2221 if (!fd_valid (fd) && errno == EBADF) 2324 if (!fd_valid (fd) && errno == EBADF)
2222 fd_kill (EV_A_ fd); 2325 fd_kill (EV_A_ fd);
2223} 2326}
2224 2327
2225/* called on ENOMEM in select/poll to kill some fds and retry */ 2328/* called on ENOMEM in select/poll to kill some fds and retry */
2226noinline ecb_cold 2329ecb_noinline ecb_cold
2227static void 2330static void
2228fd_enomem (EV_P) 2331fd_enomem (EV_P)
2229{ 2332{
2230 int fd; 2333 int fd;
2231 2334
… …
2236 break; 2339 break;
2237 } 2340 }
2238} 2341}
2239 2342
2240/* usually called after fork if backend needs to re-arm all fds from scratch */ 2343/* usually called after fork if backend needs to re-arm all fds from scratch */
2241noinline 2344ecb_noinline
2242static void 2345static void
2243fd_rearm_all (EV_P) 2346fd_rearm_all (EV_P)
2244{ 2347{
2245 int fd; 2348 int fd;
2246 2349
… …
2300 ev_tstamp minat; 2403 ev_tstamp minat;
2301 ANHE *minpos; 2404 ANHE *minpos;
2302 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; 2405 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2303 2406
2304 /* find minimum child */ 2407 /* find minimum child */
2305 if (expect_true (pos + DHEAP - 1 < E)) 2408 if (ecb_expect_true (pos + DHEAP - 1 < E))
2306 { 2409 {
2307 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); 2410 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2308 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); 2411 if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2309 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); 2412 if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2310 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); 2413 if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2311 } 2414 }
2312 else if (pos < E) 2415 else if (pos < E)
2313 { 2416 {
2314 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); 2417 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2315 if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); 2418 if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2316 if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); 2419 if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2317 if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); 2420 if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2318 } 2421 }
2319 else 2422 else
2320 break; 2423 break;
2321 2424
2322 if (ANHE_at (he) <= minat) 2425 if (ANHE_at (he) <= minat)
… …
2330 2433
2331 heap [k] = he; 2434 heap [k] = he;
2332 ev_active (ANHE_w (he)) = k; 2435 ev_active (ANHE_w (he)) = k;
2333} 2436}
2334 2437
2335#else /* 4HEAP */ 2438#else /* not 4HEAP */
2336 2439
2337#define HEAP0 1 2440#define HEAP0 1
2338#define HPARENT(k) ((k) >> 1) 2441#define HPARENT(k) ((k) >> 1)
2339#define UPHEAP_DONE(p,k) (!(p)) 2442#define UPHEAP_DONE(p,k) (!(p))
2340 2443
… …
2428 2531
2429/*****************************************************************************/ 2532/*****************************************************************************/
2430 2533
2431#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2534#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2432 2535
2433noinline ecb_cold 2536ecb_noinline ecb_cold
2434static void 2537static void
2435evpipe_init (EV_P) 2538evpipe_init (EV_P)
2436{ 2539{
2437 if (!ev_is_active (&pipe_w)) 2540 if (!ev_is_active (&pipe_w))
2438 { 2541 {
… …
2479inline_speed void 2582inline_speed void
2480evpipe_write (EV_P_ EV_ATOMIC_T *flag) 2583evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2481{ 2584{
2482 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ 2585 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2483 2586
2484 if (expect_true (*flag)) 2587 if (ecb_expect_true (*flag))
2485 return; 2588 return;
2486 2589
2487 *flag = 1; 2590 *flag = 1;
2488 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ 2591 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2489 2592
… …
2566 sig_pending = 0; 2669 sig_pending = 0;
2567 2670
2568 ECB_MEMORY_FENCE; 2671 ECB_MEMORY_FENCE;
2569 2672
2570 for (i = EV_NSIG - 1; i--; ) 2673 for (i = EV_NSIG - 1; i--; )
2571 if (expect_false (signals [i].pending)) 2674 if (ecb_expect_false (signals [i].pending))
2572 ev_feed_signal_event (EV_A_ i + 1); 2675 ev_feed_signal_event (EV_A_ i + 1);
2573 } 2676 }
2574#endif 2677#endif
2575 2678
2576#if EV_ASYNC_ENABLE 2679#if EV_ASYNC_ENABLE
… …
2617#endif 2720#endif
2618 2721
2619 ev_feed_signal (signum); 2722 ev_feed_signal (signum);
2620} 2723}
2621 2724
2622noinline 2725ecb_noinline
2623void 2726void
2624ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT 2727ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2625{ 2728{
2626 WL w; 2729 WL w;
2627 2730
2628 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2731 if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2629 return; 2732 return;
2630 2733
2631 --signum; 2734 --signum;
2632 2735
2633#if EV_MULTIPLICITY 2736#if EV_MULTIPLICITY
2634 /* it is permissible to try to feed a signal to the wrong loop */ 2737 /* 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 */ 2738 /* or, likely more useful, feeding a signal nobody is waiting for */
2636 2739
2637 if (expect_false (signals [signum].loop != EV_A)) 2740 if (ecb_expect_false (signals [signum].loop != EV_A))
2638 return; 2741 return;
2639#endif 2742#endif
2640 2743
2641 signals [signum].pending = 0; 2744 signals [signum].pending = 0;
2642 ECB_MEMORY_FENCE_RELEASE; 2745 ECB_MEMORY_FENCE_RELEASE;
… …
2741# include "ev_epoll.c" 2844# include "ev_epoll.c"
2742#endif 2845#endif
2743#if EV_USE_LINUXAIO 2846#if EV_USE_LINUXAIO
2744# include "ev_linuxaio.c" 2847# include "ev_linuxaio.c"
2745#endif 2848#endif
2849#if EV_USE_IOURING
2850# include "ev_iouring.c"
2851#endif
2746#if EV_USE_POLL 2852#if EV_USE_POLL
2747# include "ev_poll.c" 2853# include "ev_poll.c"
2748#endif 2854#endif
2749#if EV_USE_SELECT 2855#if EV_USE_SELECT
2750# include "ev_select.c" 2856# include "ev_select.c"
… …
2782 2888
2783 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2889 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2784 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; 2890 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2785 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2891 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2786 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; 2892 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2893 if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2787 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2894 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2788 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; 2895 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2789 2896
2790 return flags; 2897 return flags;
2791} 2898}
… …
2812 2919
2813 /* TODO: linuxaio is very experimental */ 2920 /* TODO: linuxaio is very experimental */
2814#if !EV_RECOMMEND_LINUXAIO 2921#if !EV_RECOMMEND_LINUXAIO
2815 flags &= ~EVBACKEND_LINUXAIO; 2922 flags &= ~EVBACKEND_LINUXAIO;
2816#endif 2923#endif
2924 /* TODO: linuxaio is super experimental */
2925#if !EV_RECOMMEND_IOURING
2926 flags &= ~EVBACKEND_IOURING;
2927#endif
2817 2928
2818 return flags; 2929 return flags;
2819} 2930}
2820 2931
2821ecb_cold 2932ecb_cold
… …
2826 2937
2827 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2938 /* 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 */ 2939 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2829 flags &= ~EVBACKEND_EPOLL; 2940 flags &= ~EVBACKEND_EPOLL;
2830 2941
2942 /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
2943
2944 /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
2945 * because our backend_fd is the epoll fd we need as fallback.
2946 * if the kernel ever is fixed, this might change...
2947 */
2948
2831 return flags; 2949 return flags;
2832} 2950}
2833 2951
2834unsigned int 2952unsigned int
2835ev_backend (EV_P) EV_NOEXCEPT 2953ev_backend (EV_P) EV_NOEXCEPT
… …
2887 acquire_cb = acquire; 3005 acquire_cb = acquire;
2888} 3006}
2889#endif 3007#endif
2890 3008
2891/* initialise a loop structure, must be zero-initialised */ 3009/* initialise a loop structure, must be zero-initialised */
2892noinline ecb_cold 3010ecb_noinline ecb_cold
2893static void 3011static void
2894loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT 3012loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2895{ 3013{
2896 if (!backend) 3014 if (!backend)
2897 { 3015 {
… …
2965 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 3083 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2966#endif 3084#endif
2967#if EV_USE_KQUEUE 3085#if EV_USE_KQUEUE
2968 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); 3086 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2969#endif 3087#endif
3088#if EV_USE_IOURING
3089 if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
3090#endif
2970#if EV_USE_LINUXAIO 3091#if EV_USE_LINUXAIO
2971 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); 3092 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2972#endif 3093#endif
2973#if EV_USE_EPOLL 3094#if EV_USE_EPOLL
2974 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 3095 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
… …
3002 return; 3123 return;
3003#endif 3124#endif
3004 3125
3005#if EV_CLEANUP_ENABLE 3126#if EV_CLEANUP_ENABLE
3006 /* queue cleanup watchers (and execute them) */ 3127 /* queue cleanup watchers (and execute them) */
3007 if (expect_false (cleanupcnt)) 3128 if (ecb_expect_false (cleanupcnt))
3008 { 3129 {
3009 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); 3130 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
3010 EV_INVOKE_PENDING; 3131 EV_INVOKE_PENDING;
3011 } 3132 }
3012#endif 3133#endif
… …
3047#if EV_USE_PORT 3168#if EV_USE_PORT
3048 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3169 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3049#endif 3170#endif
3050#if EV_USE_KQUEUE 3171#if EV_USE_KQUEUE
3051 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); 3172 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3173#endif
3174#if EV_USE_IOURING
3175 if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
3052#endif 3176#endif
3053#if EV_USE_LINUXAIO 3177#if EV_USE_LINUXAIO
3054 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); 3178 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3055#endif 3179#endif
3056#if EV_USE_EPOLL 3180#if EV_USE_EPOLL
… …
3115 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3239 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3116#endif 3240#endif
3117#if EV_USE_KQUEUE 3241#if EV_USE_KQUEUE
3118 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); 3242 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3119#endif 3243#endif
3244#if EV_USE_IOURING
3245 if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
3246#endif
3120#if EV_USE_LINUXAIO 3247#if EV_USE_LINUXAIO
3121 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); 3248 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3122#endif 3249#endif
3123#if EV_USE_EPOLL 3250#if EV_USE_EPOLL
3124 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3251 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
… …
3166} 3293}
3167 3294
3168#endif /* multiplicity */ 3295#endif /* multiplicity */
3169 3296
3170#if EV_VERIFY 3297#if EV_VERIFY
3171noinline ecb_cold 3298ecb_noinline ecb_cold
3172static void 3299static void
3173verify_watcher (EV_P_ W w) 3300verify_watcher (EV_P_ W w)
3174{ 3301{
3175 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 3302 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
3176 3303
3177 if (w->pending) 3304 if (w->pending)
3178 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 3305 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
3179} 3306}
3180 3307
3181noinline ecb_cold 3308ecb_noinline ecb_cold
3182static void 3309static void
3183verify_heap (EV_P_ ANHE *heap, int N) 3310verify_heap (EV_P_ ANHE *heap, int N)
3184{ 3311{
3185 int i; 3312 int i;
3186 3313
… …
3192 3319
3193 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 3320 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
3194 } 3321 }
3195} 3322}
3196 3323
3197noinline ecb_cold 3324ecb_noinline ecb_cold
3198static void 3325static void
3199array_verify (EV_P_ W *ws, int cnt) 3326array_verify (EV_P_ W *ws, int cnt)
3200{ 3327{
3201 while (cnt--) 3328 while (cnt--)
3202 { 3329 {
… …
3351 count += pendingcnt [pri]; 3478 count += pendingcnt [pri];
3352 3479
3353 return count; 3480 return count;
3354} 3481}
3355 3482
3356noinline 3483ecb_noinline
3357void 3484void
3358ev_invoke_pending (EV_P) 3485ev_invoke_pending (EV_P)
3359{ 3486{
3360 pendingpri = NUMPRI; 3487 pendingpri = NUMPRI;
3361 3488
… …
3380/* make idle watchers pending. this handles the "call-idle */ 3507/* make idle watchers pending. this handles the "call-idle */
3381/* only when higher priorities are idle" logic */ 3508/* only when higher priorities are idle" logic */
3382inline_size void 3509inline_size void
3383idle_reify (EV_P) 3510idle_reify (EV_P)
3384{ 3511{
3385 if (expect_false (idleall)) 3512 if (ecb_expect_false (idleall))
3386 { 3513 {
3387 int pri; 3514 int pri;
3388 3515
3389 for (pri = NUMPRI; pri--; ) 3516 for (pri = NUMPRI; pri--; )
3390 { 3517 {
… …
3420 { 3547 {
3421 ev_at (w) += w->repeat; 3548 ev_at (w) += w->repeat;
3422 if (ev_at (w) < mn_now) 3549 if (ev_at (w) < mn_now)
3423 ev_at (w) = mn_now; 3550 ev_at (w) = mn_now;
3424 3551
3425 assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 3552 assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.)));
3426 3553
3427 ANHE_at_cache (timers [HEAP0]); 3554 ANHE_at_cache (timers [HEAP0]);
3428 downheap (timers, timercnt, HEAP0); 3555 downheap (timers, timercnt, HEAP0);
3429 } 3556 }
3430 else 3557 else
… …
3439 } 3566 }
3440} 3567}
3441 3568
3442#if EV_PERIODIC_ENABLE 3569#if EV_PERIODIC_ENABLE
3443 3570
3444noinline 3571ecb_noinline
3445static void 3572static void
3446periodic_recalc (EV_P_ ev_periodic *w) 3573periodic_recalc (EV_P_ ev_periodic *w)
3447{ 3574{
3448 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; 3575 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); 3576 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
… …
3452 while (at <= ev_rt_now) 3579 while (at <= ev_rt_now)
3453 { 3580 {
3454 ev_tstamp nat = at + w->interval; 3581 ev_tstamp nat = at + w->interval;
3455 3582
3456 /* when resolution fails us, we use ev_rt_now */ 3583 /* when resolution fails us, we use ev_rt_now */
3457 if (expect_false (nat == at)) 3584 if (ecb_expect_false (nat == at))
3458 { 3585 {
3459 at = ev_rt_now; 3586 at = ev_rt_now;
3460 break; 3587 break;
3461 } 3588 }
3462 3589
… …
3508 } 3635 }
3509} 3636}
3510 3637
3511/* simply recalculate all periodics */ 3638/* simply recalculate all periodics */
3512/* TODO: maybe ensure that at least one event happens when jumping forward? */ 3639/* TODO: maybe ensure that at least one event happens when jumping forward? */
3513noinline ecb_cold 3640ecb_noinline ecb_cold
3514static void 3641static void
3515periodics_reschedule (EV_P) 3642periodics_reschedule (EV_P)
3516{ 3643{
3517 int i; 3644 int i;
3518 3645
… …
3532 reheap (periodics, periodiccnt); 3659 reheap (periodics, periodiccnt);
3533} 3660}
3534#endif 3661#endif
3535 3662
3536/* adjust all timers by a given offset */ 3663/* adjust all timers by a given offset */
3537noinline ecb_cold 3664ecb_noinline ecb_cold
3538static void 3665static void
3539timers_reschedule (EV_P_ ev_tstamp adjust) 3666timers_reschedule (EV_P_ ev_tstamp adjust)
3540{ 3667{
3541 int i; 3668 int i;
3542 3669
… …
3552/* also detect if there was a timejump, and act accordingly */ 3679/* also detect if there was a timejump, and act accordingly */
3553inline_speed void 3680inline_speed void
3554time_update (EV_P_ ev_tstamp max_block) 3681time_update (EV_P_ ev_tstamp max_block)
3555{ 3682{
3556#if EV_USE_MONOTONIC 3683#if EV_USE_MONOTONIC
3557 if (expect_true (have_monotonic)) 3684 if (ecb_expect_true (have_monotonic))
3558 { 3685 {
3559 int i; 3686 int i;
3560 ev_tstamp odiff = rtmn_diff; 3687 ev_tstamp odiff = rtmn_diff;
3561 3688
3562 mn_now = get_clock (); 3689 mn_now = get_clock ();
3563 3690
3564 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ 3691 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3565 /* interpolate in the meantime */ 3692 /* interpolate in the meantime */
3566 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 3693 if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5)))
3567 { 3694 {
3568 ev_rt_now = rtmn_diff + mn_now; 3695 ev_rt_now = rtmn_diff + mn_now;
3569 return; 3696 return;
3570 } 3697 }
3571 3698
… …
3585 ev_tstamp diff; 3712 ev_tstamp diff;
3586 rtmn_diff = ev_rt_now - mn_now; 3713 rtmn_diff = ev_rt_now - mn_now;
3587 3714
3588 diff = odiff - rtmn_diff; 3715 diff = odiff - rtmn_diff;
3589 3716
3590 if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) 3717 if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP)))
3591 return; /* all is well */ 3718 return; /* all is well */
3592 3719
3593 ev_rt_now = ev_time (); 3720 ev_rt_now = ev_time ();
3594 mn_now = get_clock (); 3721 mn_now = get_clock ();
3595 now_floor = mn_now; 3722 now_floor = mn_now;
… …
3604 else 3731 else
3605#endif 3732#endif
3606 { 3733 {
3607 ev_rt_now = ev_time (); 3734 ev_rt_now = ev_time ();
3608 3735
3609 if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) 3736 if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP)))
3610 { 3737 {
3611 /* adjust timers. this is easy, as the offset is the same for all of them */ 3738 /* 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); 3739 timers_reschedule (EV_A_ ev_rt_now - mn_now);
3613#if EV_PERIODIC_ENABLE 3740#if EV_PERIODIC_ENABLE
3614 periodics_reschedule (EV_A); 3741 periodics_reschedule (EV_A);
… …
3637#if EV_VERIFY >= 2 3764#if EV_VERIFY >= 2
3638 ev_verify (EV_A); 3765 ev_verify (EV_A);
3639#endif 3766#endif
3640 3767
3641#ifndef _WIN32 3768#ifndef _WIN32
3642 if (expect_false (curpid)) /* penalise the forking check even more */ 3769 if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3643 if (expect_false (getpid () != curpid)) 3770 if (ecb_expect_false (getpid () != curpid))
3644 { 3771 {
3645 curpid = getpid (); 3772 curpid = getpid ();
3646 postfork = 1; 3773 postfork = 1;
3647 } 3774 }
3648#endif 3775#endif
3649 3776
3650#if EV_FORK_ENABLE 3777#if EV_FORK_ENABLE
3651 /* we might have forked, so queue fork handlers */ 3778 /* we might have forked, so queue fork handlers */
3652 if (expect_false (postfork)) 3779 if (ecb_expect_false (postfork))
3653 if (forkcnt) 3780 if (forkcnt)
3654 { 3781 {
3655 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 3782 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3656 EV_INVOKE_PENDING; 3783 EV_INVOKE_PENDING;
3657 } 3784 }
3658#endif 3785#endif
3659 3786
3660#if EV_PREPARE_ENABLE 3787#if EV_PREPARE_ENABLE
3661 /* queue prepare watchers (and execute them) */ 3788 /* queue prepare watchers (and execute them) */
3662 if (expect_false (preparecnt)) 3789 if (ecb_expect_false (preparecnt))
3663 { 3790 {
3664 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 3791 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3665 EV_INVOKE_PENDING; 3792 EV_INVOKE_PENDING;
3666 } 3793 }
3667#endif 3794#endif
3668 3795
3669 if (expect_false (loop_done)) 3796 if (ecb_expect_false (loop_done))
3670 break; 3797 break;
3671 3798
3672 /* we might have forked, so reify kernel state if necessary */ 3799 /* we might have forked, so reify kernel state if necessary */
3673 if (expect_false (postfork)) 3800 if (ecb_expect_false (postfork))
3674 loop_fork (EV_A); 3801 loop_fork (EV_A);
3675 3802
3676 /* update fd-related kernel structures */ 3803 /* update fd-related kernel structures */
3677 fd_reify (EV_A); 3804 fd_reify (EV_A);
3678 3805
… …
3683 3810
3684 /* remember old timestamp for io_blocktime calculation */ 3811 /* remember old timestamp for io_blocktime calculation */
3685 ev_tstamp prev_mn_now = mn_now; 3812 ev_tstamp prev_mn_now = mn_now;
3686 3813
3687 /* update time to cancel out callback processing overhead */ 3814 /* update time to cancel out callback processing overhead */
3688 time_update (EV_A_ 1e100); 3815 time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE));
3689 3816
3690 /* from now on, we want a pipe-wake-up */ 3817 /* from now on, we want a pipe-wake-up */
3691 pipe_write_wanted = 1; 3818 pipe_write_wanted = 1;
3692 3819
3693 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ 3820 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3694 3821
3695 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 3822 if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3696 { 3823 {
3697 waittime = MAX_BLOCKTIME; 3824 waittime = EV_TS_CONST (MAX_BLOCKTIME);
3698 3825
3699 if (timercnt) 3826 if (timercnt)
3700 { 3827 {
3701 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; 3828 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
3702 if (waittime > to) waittime = to; 3829 if (waittime > to) waittime = to;
… …
3709 if (waittime > to) waittime = to; 3836 if (waittime > to) waittime = to;
3710 } 3837 }
3711#endif 3838#endif
3712 3839
3713 /* don't let timeouts decrease the waittime below timeout_blocktime */ 3840 /* don't let timeouts decrease the waittime below timeout_blocktime */
3714 if (expect_false (waittime < timeout_blocktime)) 3841 if (ecb_expect_false (waittime < timeout_blocktime))
3715 waittime = timeout_blocktime; 3842 waittime = timeout_blocktime;
3716 3843
3717 /* at this point, we NEED to wait, so we have to ensure */ 3844 /* at this point, we NEED to wait, so we have to ensure */
3718 /* to pass a minimum nonzero value to the backend */ 3845 /* to pass a minimum nonzero value to the backend */
3719 if (expect_false (waittime < backend_mintime)) 3846 if (ecb_expect_false (waittime < backend_mintime))
3720 waittime = backend_mintime; 3847 waittime = backend_mintime;
3721 3848
3722 /* extra check because io_blocktime is commonly 0 */ 3849 /* extra check because io_blocktime is commonly 0 */
3723 if (expect_false (io_blocktime)) 3850 if (ecb_expect_false (io_blocktime))
3724 { 3851 {
3725 sleeptime = io_blocktime - (mn_now - prev_mn_now); 3852 sleeptime = io_blocktime - (mn_now - prev_mn_now);
3726 3853
3727 if (sleeptime > waittime - backend_mintime) 3854 if (sleeptime > waittime - backend_mintime)
3728 sleeptime = waittime - backend_mintime; 3855 sleeptime = waittime - backend_mintime;
3729 3856
3730 if (expect_true (sleeptime > 0.)) 3857 if (ecb_expect_true (sleeptime > EV_TS_CONST (0.)))
3731 { 3858 {
3732 ev_sleep (sleeptime); 3859 ev_sleep (sleeptime);
3733 waittime -= sleeptime; 3860 waittime -= sleeptime;
3734 } 3861 }
3735 } 3862 }
… …
3749 { 3876 {
3750 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3877 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); 3878 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3752 } 3879 }
3753 3880
3754
3755 /* update ev_rt_now, do magic */ 3881 /* update ev_rt_now, do magic */
3756 time_update (EV_A_ waittime + sleeptime); 3882 time_update (EV_A_ waittime + sleeptime);
3757 } 3883 }
3758 3884
3759 /* queue pending timers and reschedule them */ 3885 /* queue pending timers and reschedule them */
… …
3767 idle_reify (EV_A); 3893 idle_reify (EV_A);
3768#endif 3894#endif
3769 3895
3770#if EV_CHECK_ENABLE 3896#if EV_CHECK_ENABLE
3771 /* queue check watchers, to be executed first */ 3897 /* queue check watchers, to be executed first */
3772 if (expect_false (checkcnt)) 3898 if (ecb_expect_false (checkcnt))
3773 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 3899 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3774#endif 3900#endif
3775 3901
3776 EV_INVOKE_PENDING; 3902 EV_INVOKE_PENDING;
3777 } 3903 }
3778 while (expect_true ( 3904 while (ecb_expect_true (
3779 activecnt 3905 activecnt
3780 && !loop_done 3906 && !loop_done
3781 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) 3907 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3782 )); 3908 ));
3783 3909
… …
3810} 3936}
3811 3937
3812void 3938void
3813ev_now_update (EV_P) EV_NOEXCEPT 3939ev_now_update (EV_P) EV_NOEXCEPT
3814{ 3940{
3815 time_update (EV_A_ 1e100); 3941 time_update (EV_A_ EV_TSTAMP_HUGE);
3816} 3942}
3817 3943
3818void 3944void
3819ev_suspend (EV_P) EV_NOEXCEPT 3945ev_suspend (EV_P) EV_NOEXCEPT
3820{ 3946{
… …
3847inline_size void 3973inline_size void
3848wlist_del (WL *head, WL elem) 3974wlist_del (WL *head, WL elem)
3849{ 3975{
3850 while (*head) 3976 while (*head)
3851 { 3977 {
3852 if (expect_true (*head == elem)) 3978 if (ecb_expect_true (*head == elem))
3853 { 3979 {
3854 *head = elem->next; 3980 *head = elem->next;
3855 break; 3981 break;
3856 } 3982 }
3857 3983
… …
3874ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT 4000ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3875{ 4001{
3876 W w_ = (W)w; 4002 W w_ = (W)w;
3877 int pending = w_->pending; 4003 int pending = w_->pending;
3878 4004
3879 if (expect_true (pending)) 4005 if (ecb_expect_true (pending))
3880 { 4006 {
3881 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; 4007 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3882 p->w = (W)&pending_w; 4008 p->w = (W)&pending_w;
3883 w_->pending = 0; 4009 w_->pending = 0;
3884 return p->events; 4010 return p->events;
… …
3911 w->active = 0; 4037 w->active = 0;
3912} 4038}
3913 4039
3914/*****************************************************************************/ 4040/*****************************************************************************/
3915 4041
3916noinline 4042ecb_noinline
3917void 4043void
3918ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT 4044ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3919{ 4045{
3920 int fd = w->fd; 4046 int fd = w->fd;
3921 4047
3922 if (expect_false (ev_is_active (w))) 4048 if (ecb_expect_false (ev_is_active (w)))
3923 return; 4049 return;
3924 4050
3925 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 4051 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)))); 4052 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3927 4053
… …
3941 w->events &= ~EV__IOFDSET; 4067 w->events &= ~EV__IOFDSET;
3942 4068
3943 EV_FREQUENT_CHECK; 4069 EV_FREQUENT_CHECK;
3944} 4070}
3945 4071
3946noinline 4072ecb_noinline
3947void 4073void
3948ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT 4074ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3949{ 4075{
3950 clear_pending (EV_A_ (W)w); 4076 clear_pending (EV_A_ (W)w);
3951 if (expect_false (!ev_is_active (w))) 4077 if (ecb_expect_false (!ev_is_active (w)))
3952 return; 4078 return;
3953 4079
3954 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 4080 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3955 4081
3956#if EV_VERIFY >= 2 4082#if EV_VERIFY >= 2
… …
3964 fd_change (EV_A_ w->fd, EV_ANFD_REIFY); 4090 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3965 4091
3966 EV_FREQUENT_CHECK; 4092 EV_FREQUENT_CHECK;
3967} 4093}
3968 4094
3969noinline 4095ecb_noinline
3970void 4096void
3971ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT 4097ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3972{ 4098{
3973 if (expect_false (ev_is_active (w))) 4099 if (ecb_expect_false (ev_is_active (w)))
3974 return; 4100 return;
3975 4101
3976 ev_at (w) += mn_now; 4102 ev_at (w) += mn_now;
3977 4103
3978 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 4104 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
… …
3989 EV_FREQUENT_CHECK; 4115 EV_FREQUENT_CHECK;
3990 4116
3991 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 4117 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3992} 4118}
3993 4119
3994noinline 4120ecb_noinline
3995void 4121void
3996ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT 4122ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3997{ 4123{
3998 clear_pending (EV_A_ (W)w); 4124 clear_pending (EV_A_ (W)w);
3999 if (expect_false (!ev_is_active (w))) 4125 if (ecb_expect_false (!ev_is_active (w)))
4000 return; 4126 return;
4001 4127
4002 EV_FREQUENT_CHECK; 4128 EV_FREQUENT_CHECK;
4003 4129
4004 { 4130 {
… …
4006 4132
4007 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); 4133 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
4008 4134
4009 --timercnt; 4135 --timercnt;
4010 4136
4011 if (expect_true (active < timercnt + HEAP0)) 4137 if (ecb_expect_true (active < timercnt + HEAP0))
4012 { 4138 {
4013 timers [active] = timers [timercnt + HEAP0]; 4139 timers [active] = timers [timercnt + HEAP0];
4014 adjustheap (timers, timercnt, active); 4140 adjustheap (timers, timercnt, active);
4015 } 4141 }
4016 } 4142 }
… …
4020 ev_stop (EV_A_ (W)w); 4146 ev_stop (EV_A_ (W)w);
4021 4147
4022 EV_FREQUENT_CHECK; 4148 EV_FREQUENT_CHECK;
4023} 4149}
4024 4150
4025noinline 4151ecb_noinline
4026void 4152void
4027ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT 4153ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
4028{ 4154{
4029 EV_FREQUENT_CHECK; 4155 EV_FREQUENT_CHECK;
4030 4156
… …
4051} 4177}
4052 4178
4053ev_tstamp 4179ev_tstamp
4054ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT 4180ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
4055{ 4181{
4056 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4182 return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.));
4057} 4183}
4058 4184
4059#if EV_PERIODIC_ENABLE 4185#if EV_PERIODIC_ENABLE
4060noinline 4186ecb_noinline
4061void 4187void
4062ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT 4188ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4063{ 4189{
4064 if (expect_false (ev_is_active (w))) 4190 if (ecb_expect_false (ev_is_active (w)))
4065 return; 4191 return;
4066 4192
4067 if (w->reschedule_cb) 4193 if (w->reschedule_cb)
4068 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 4194 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
4069 else if (w->interval) 4195 else if (w->interval)
… …
4086 EV_FREQUENT_CHECK; 4212 EV_FREQUENT_CHECK;
4087 4213
4088 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4214 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4089} 4215}
4090 4216
4091noinline 4217ecb_noinline
4092void 4218void
4093ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT 4219ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4094{ 4220{
4095 clear_pending (EV_A_ (W)w); 4221 clear_pending (EV_A_ (W)w);
4096 if (expect_false (!ev_is_active (w))) 4222 if (ecb_expect_false (!ev_is_active (w)))
4097 return; 4223 return;
4098 4224
4099 EV_FREQUENT_CHECK; 4225 EV_FREQUENT_CHECK;
4100 4226
4101 { 4227 {
… …
4103 4229
4104 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); 4230 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
4105 4231
4106 --periodiccnt; 4232 --periodiccnt;
4107 4233
4108 if (expect_true (active < periodiccnt + HEAP0)) 4234 if (ecb_expect_true (active < periodiccnt + HEAP0))
4109 { 4235 {
4110 periodics [active] = periodics [periodiccnt + HEAP0]; 4236 periodics [active] = periodics [periodiccnt + HEAP0];
4111 adjustheap (periodics, periodiccnt, active); 4237 adjustheap (periodics, periodiccnt, active);
4112 } 4238 }
4113 } 4239 }
… …
4115 ev_stop (EV_A_ (W)w); 4241 ev_stop (EV_A_ (W)w);
4116 4242
4117 EV_FREQUENT_CHECK; 4243 EV_FREQUENT_CHECK;
4118} 4244}
4119 4245
4120noinline 4246ecb_noinline
4121void 4247void
4122ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT 4248ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4123{ 4249{
4124 /* TODO: use adjustheap and recalculation */ 4250 /* TODO: use adjustheap and recalculation */
4125 ev_periodic_stop (EV_A_ w); 4251 ev_periodic_stop (EV_A_ w);
… …
4131# define SA_RESTART 0 4257# define SA_RESTART 0
4132#endif 4258#endif
4133 4259
4134#if EV_SIGNAL_ENABLE 4260#if EV_SIGNAL_ENABLE
4135 4261
4136noinline 4262ecb_noinline
4137void 4263void
4138ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT 4264ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4139{ 4265{
4140 if (expect_false (ev_is_active (w))) 4266 if (ecb_expect_false (ev_is_active (w)))
4141 return; 4267 return;
4142 4268
4143 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4269 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
4144 4270
4145#if EV_MULTIPLICITY 4271#if EV_MULTIPLICITY
… …
4214 } 4340 }
4215 4341
4216 EV_FREQUENT_CHECK; 4342 EV_FREQUENT_CHECK;
4217} 4343}
4218 4344
4219noinline 4345ecb_noinline
4220void 4346void
4221ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT 4347ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4222{ 4348{
4223 clear_pending (EV_A_ (W)w); 4349 clear_pending (EV_A_ (W)w);
4224 if (expect_false (!ev_is_active (w))) 4350 if (ecb_expect_false (!ev_is_active (w)))
4225 return; 4351 return;
4226 4352
4227 EV_FREQUENT_CHECK; 4353 EV_FREQUENT_CHECK;
4228 4354
4229 wlist_del (&signals [w->signum - 1].head, (WL)w); 4355 wlist_del (&signals [w->signum - 1].head, (WL)w);
… …
4262ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT 4388ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4263{ 4389{
4264#if EV_MULTIPLICITY 4390#if EV_MULTIPLICITY
4265 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4391 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4266#endif 4392#endif
4267 if (expect_false (ev_is_active (w))) 4393 if (ecb_expect_false (ev_is_active (w)))
4268 return; 4394 return;
4269 4395
4270 EV_FREQUENT_CHECK; 4396 EV_FREQUENT_CHECK;
4271 4397
4272 ev_start (EV_A_ (W)w, 1); 4398 ev_start (EV_A_ (W)w, 1);
… …
4277 4403
4278void 4404void
4279ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT 4405ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4280{ 4406{
4281 clear_pending (EV_A_ (W)w); 4407 clear_pending (EV_A_ (W)w);
4282 if (expect_false (!ev_is_active (w))) 4408 if (ecb_expect_false (!ev_is_active (w)))
4283 return; 4409 return;
4284 4410
4285 EV_FREQUENT_CHECK; 4411 EV_FREQUENT_CHECK;
4286 4412
4287 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); 4413 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
… …
4301 4427
4302#define DEF_STAT_INTERVAL 5.0074891 4428#define DEF_STAT_INTERVAL 5.0074891
4303#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ 4429#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4304#define MIN_STAT_INTERVAL 0.1074891 4430#define MIN_STAT_INTERVAL 0.1074891
4305 4431
4306noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); 4432ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4307 4433
4308#if EV_USE_INOTIFY 4434#if EV_USE_INOTIFY
4309 4435
4310/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ 4436/* 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) 4437# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4312 4438
4313noinline 4439ecb_noinline
4314static void 4440static void
4315infy_add (EV_P_ ev_stat *w) 4441infy_add (EV_P_ ev_stat *w)
4316{ 4442{
4317 w->wd = inotify_add_watch (fs_fd, w->path, 4443 w->wd = inotify_add_watch (fs_fd, w->path,
4318 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY 4444 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
… …
4383 if (ev_is_active (&w->timer)) ev_ref (EV_A); 4509 if (ev_is_active (&w->timer)) ev_ref (EV_A);
4384 ev_timer_again (EV_A_ &w->timer); 4510 ev_timer_again (EV_A_ &w->timer);
4385 if (ev_is_active (&w->timer)) ev_unref (EV_A); 4511 if (ev_is_active (&w->timer)) ev_unref (EV_A);
4386} 4512}
4387 4513
4388noinline 4514ecb_noinline
4389static void 4515static void
4390infy_del (EV_P_ ev_stat *w) 4516infy_del (EV_P_ ev_stat *w)
4391{ 4517{
4392 int slot; 4518 int slot;
4393 int wd = w->wd; 4519 int wd = w->wd;
… …
4401 4527
4402 /* remove this watcher, if others are watching it, they will rearm */ 4528 /* remove this watcher, if others are watching it, they will rearm */
4403 inotify_rm_watch (fs_fd, wd); 4529 inotify_rm_watch (fs_fd, wd);
4404} 4530}
4405 4531
4406noinline 4532ecb_noinline
4407static void 4533static void
4408infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 4534infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4409{ 4535{
4410 if (slot < 0) 4536 if (slot < 0)
4411 /* overflow, need to check for all hash slots */ 4537 /* overflow, need to check for all hash slots */
… …
4557 w->attr.st_nlink = 0; 4683 w->attr.st_nlink = 0;
4558 else if (!w->attr.st_nlink) 4684 else if (!w->attr.st_nlink)
4559 w->attr.st_nlink = 1; 4685 w->attr.st_nlink = 1;
4560} 4686}
4561 4687
4562noinline 4688ecb_noinline
4563static void 4689static void
4564stat_timer_cb (EV_P_ ev_timer *w_, int revents) 4690stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4565{ 4691{
4566 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 4692 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4567 4693
… …
4601} 4727}
4602 4728
4603void 4729void
4604ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT 4730ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4605{ 4731{
4606 if (expect_false (ev_is_active (w))) 4732 if (ecb_expect_false (ev_is_active (w)))
4607 return; 4733 return;
4608 4734
4609 ev_stat_stat (EV_A_ w); 4735 ev_stat_stat (EV_A_ w);
4610 4736
4611 if (w->interval < MIN_STAT_INTERVAL && w->interval) 4737 if (w->interval < MIN_STAT_INTERVAL && w->interval)
… …
4633 4759
4634void 4760void
4635ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT 4761ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4636{ 4762{
4637 clear_pending (EV_A_ (W)w); 4763 clear_pending (EV_A_ (W)w);
4638 if (expect_false (!ev_is_active (w))) 4764 if (ecb_expect_false (!ev_is_active (w)))
4639 return; 4765 return;
4640 4766
4641 EV_FREQUENT_CHECK; 4767 EV_FREQUENT_CHECK;
4642 4768
4643#if EV_USE_INOTIFY 4769#if EV_USE_INOTIFY
… …
4658 4784
4659#if EV_IDLE_ENABLE 4785#if EV_IDLE_ENABLE
4660void 4786void
4661ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT 4787ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4662{ 4788{
4663 if (expect_false (ev_is_active (w))) 4789 if (ecb_expect_false (ev_is_active (w)))
4664 return; 4790 return;
4665 4791
4666 pri_adjust (EV_A_ (W)w); 4792 pri_adjust (EV_A_ (W)w);
4667 4793
4668 EV_FREQUENT_CHECK; 4794 EV_FREQUENT_CHECK;
… …
4682 4808
4683void 4809void
4684ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT 4810ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4685{ 4811{
4686 clear_pending (EV_A_ (W)w); 4812 clear_pending (EV_A_ (W)w);
4687 if (expect_false (!ev_is_active (w))) 4813 if (ecb_expect_false (!ev_is_active (w)))
4688 return; 4814 return;
4689 4815
4690 EV_FREQUENT_CHECK; 4816 EV_FREQUENT_CHECK;
4691 4817
4692 { 4818 {
… …
4705 4831
4706#if EV_PREPARE_ENABLE 4832#if EV_PREPARE_ENABLE
4707void 4833void
4708ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT 4834ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4709{ 4835{
4710 if (expect_false (ev_is_active (w))) 4836 if (ecb_expect_false (ev_is_active (w)))
4711 return; 4837 return;
4712 4838
4713 EV_FREQUENT_CHECK; 4839 EV_FREQUENT_CHECK;
4714 4840
4715 ev_start (EV_A_ (W)w, ++preparecnt); 4841 ev_start (EV_A_ (W)w, ++preparecnt);
… …
4721 4847
4722void 4848void
4723ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT 4849ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4724{ 4850{
4725 clear_pending (EV_A_ (W)w); 4851 clear_pending (EV_A_ (W)w);
4726 if (expect_false (!ev_is_active (w))) 4852 if (ecb_expect_false (!ev_is_active (w)))
4727 return; 4853 return;
4728 4854
4729 EV_FREQUENT_CHECK; 4855 EV_FREQUENT_CHECK;
4730 4856
4731 { 4857 {
… …
4743 4869
4744#if EV_CHECK_ENABLE 4870#if EV_CHECK_ENABLE
4745void 4871void
4746ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT 4872ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4747{ 4873{
4748 if (expect_false (ev_is_active (w))) 4874 if (ecb_expect_false (ev_is_active (w)))
4749 return; 4875 return;
4750 4876
4751 EV_FREQUENT_CHECK; 4877 EV_FREQUENT_CHECK;
4752 4878
4753 ev_start (EV_A_ (W)w, ++checkcnt); 4879 ev_start (EV_A_ (W)w, ++checkcnt);
… …
4759 4885
4760void 4886void
4761ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT 4887ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4762{ 4888{
4763 clear_pending (EV_A_ (W)w); 4889 clear_pending (EV_A_ (W)w);
4764 if (expect_false (!ev_is_active (w))) 4890 if (ecb_expect_false (!ev_is_active (w)))
4765 return; 4891 return;
4766 4892
4767 EV_FREQUENT_CHECK; 4893 EV_FREQUENT_CHECK;
4768 4894
4769 { 4895 {
… …
4778 EV_FREQUENT_CHECK; 4904 EV_FREQUENT_CHECK;
4779} 4905}
4780#endif 4906#endif
4781 4907
4782#if EV_EMBED_ENABLE 4908#if EV_EMBED_ENABLE
4783noinline 4909ecb_noinline
4784void 4910void
4785ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT 4911ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4786{ 4912{
4787 ev_run (w->other, EVRUN_NOWAIT); 4913 ev_run (w->other, EVRUN_NOWAIT);
4788} 4914}
… …
4840#endif 4966#endif
4841 4967
4842void 4968void
4843ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT 4969ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4844{ 4970{
4845 if (expect_false (ev_is_active (w))) 4971 if (ecb_expect_false (ev_is_active (w)))
4846 return; 4972 return;
4847 4973
4848 { 4974 {
4849 EV_P = w->other; 4975 EV_P = w->other;
4850 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 4976 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
… …
4872 4998
4873void 4999void
4874ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT 5000ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4875{ 5001{
4876 clear_pending (EV_A_ (W)w); 5002 clear_pending (EV_A_ (W)w);
4877 if (expect_false (!ev_is_active (w))) 5003 if (ecb_expect_false (!ev_is_active (w)))
4878 return; 5004 return;
4879 5005
4880 EV_FREQUENT_CHECK; 5006 EV_FREQUENT_CHECK;
4881 5007
4882 ev_io_stop (EV_A_ &w->io); 5008 ev_io_stop (EV_A_ &w->io);
… …
4891 5017
4892#if EV_FORK_ENABLE 5018#if EV_FORK_ENABLE
4893void 5019void
4894ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT 5020ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4895{ 5021{
4896 if (expect_false (ev_is_active (w))) 5022 if (ecb_expect_false (ev_is_active (w)))
4897 return; 5023 return;
4898 5024
4899 EV_FREQUENT_CHECK; 5025 EV_FREQUENT_CHECK;
4900 5026
4901 ev_start (EV_A_ (W)w, ++forkcnt); 5027 ev_start (EV_A_ (W)w, ++forkcnt);
… …
4907 5033
4908void 5034void
4909ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT 5035ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4910{ 5036{
4911 clear_pending (EV_A_ (W)w); 5037 clear_pending (EV_A_ (W)w);
4912 if (expect_false (!ev_is_active (w))) 5038 if (ecb_expect_false (!ev_is_active (w)))
4913 return; 5039 return;
4914 5040
4915 EV_FREQUENT_CHECK; 5041 EV_FREQUENT_CHECK;
4916 5042
4917 { 5043 {
… …
4929 5055
4930#if EV_CLEANUP_ENABLE 5056#if EV_CLEANUP_ENABLE
4931void 5057void
4932ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5058ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4933{ 5059{
4934 if (expect_false (ev_is_active (w))) 5060 if (ecb_expect_false (ev_is_active (w)))
4935 return; 5061 return;
4936 5062
4937 EV_FREQUENT_CHECK; 5063 EV_FREQUENT_CHECK;
4938 5064
4939 ev_start (EV_A_ (W)w, ++cleanupcnt); 5065 ev_start (EV_A_ (W)w, ++cleanupcnt);
… …
4947 5073
4948void 5074void
4949ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5075ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4950{ 5076{
4951 clear_pending (EV_A_ (W)w); 5077 clear_pending (EV_A_ (W)w);
4952 if (expect_false (!ev_is_active (w))) 5078 if (ecb_expect_false (!ev_is_active (w)))
4953 return; 5079 return;
4954 5080
4955 EV_FREQUENT_CHECK; 5081 EV_FREQUENT_CHECK;
4956 ev_ref (EV_A); 5082 ev_ref (EV_A);
4957 5083
… …
4970 5096
4971#if EV_ASYNC_ENABLE 5097#if EV_ASYNC_ENABLE
4972void 5098void
4973ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT 5099ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4974{ 5100{
4975 if (expect_false (ev_is_active (w))) 5101 if (ecb_expect_false (ev_is_active (w)))
4976 return; 5102 return;
4977 5103
4978 w->sent = 0; 5104 w->sent = 0;
4979 5105
4980 evpipe_init (EV_A); 5106 evpipe_init (EV_A);
… …
4990 5116
4991void 5117void
4992ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT 5118ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4993{ 5119{
4994 clear_pending (EV_A_ (W)w); 5120 clear_pending (EV_A_ (W)w);
4995 if (expect_false (!ev_is_active (w))) 5121 if (ecb_expect_false (!ev_is_active (w)))
4996 return; 5122 return;
4997 5123
4998 EV_FREQUENT_CHECK; 5124 EV_FREQUENT_CHECK;
4999 5125
5000 { 5126 {

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