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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 1.510 by root, Wed Aug 28 09:45:49 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
2009 {
1906 struct timeval tv; 2010 struct timeval tv;
1907 gettimeofday (&tv, 0); 2011 gettimeofday (&tv, 0);
1908 return tv.tv_sec + tv.tv_usec * 1e-6; 2012 return EV_TV_GET (tv);
2013 }
1909} 2014}
1910#endif 2015#endif
1911 2016
1912inline_size ev_tstamp 2017inline_size ev_tstamp
1913get_clock (void) 2018get_clock (void)
1914{ 2019{
1915#if EV_USE_MONOTONIC 2020#if EV_USE_MONOTONIC
1916 if (expect_true (have_monotonic)) 2021 if (ecb_expect_true (have_monotonic))
1917 { 2022 {
1918 struct timespec ts; 2023 struct timespec ts;
1919 clock_gettime (CLOCK_MONOTONIC, &ts); 2024 clock_gettime (CLOCK_MONOTONIC, &ts);
1920 return ts.tv_sec + ts.tv_nsec * 1e-9; 2025 return EV_TS_GET (ts);
1921 } 2026 }
1922#endif 2027#endif
1923 2028
1924 return ev_time (); 2029 return ev_time ();
1925} 2030}
… …
1933#endif 2038#endif
1934 2039
1935void 2040void
1936ev_sleep (ev_tstamp delay) EV_NOEXCEPT 2041ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1937{ 2042{
1938 if (delay > 0.) 2043 if (delay > EV_TS_CONST (0.))
1939 { 2044 {
1940#if EV_USE_NANOSLEEP 2045#if EV_USE_NANOSLEEP
1941 struct timespec ts; 2046 struct timespec ts;
1942 2047
1943 EV_TS_SET (ts, delay); 2048 EV_TS_SET (ts, delay);
1944 nanosleep (&ts, 0); 2049 nanosleep (&ts, 0);
1945#elif defined _WIN32 2050#elif defined _WIN32
1946 /* maybe this should round up, as ms is very low resolution */ 2051 /* maybe this should round up, as ms is very low resolution */
1947 /* compared to select (µs) or nanosleep (ns) */ 2052 /* compared to select (µs) or nanosleep (ns) */
1948 Sleep ((unsigned long)(delay * 1e3)); 2053 Sleep ((unsigned long)(EV_TS_TO_MSEC (delay)));
1949#else 2054#else
1950 struct timeval tv; 2055 struct timeval tv;
1951 2056
1952 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 2057 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1953 /* something not guaranteed by newer posix versions, but guaranteed */ 2058 /* something not guaranteed by newer posix versions, but guaranteed */
… …
1983 } 2088 }
1984 2089
1985 return ncur; 2090 return ncur;
1986} 2091}
1987 2092
1988noinline ecb_cold 2093ecb_noinline ecb_cold
1989static void * 2094static void *
1990array_realloc (int elem, void *base, int *cur, int cnt) 2095array_realloc (int elem, void *base, int *cur, int cnt)
1991{ 2096{
1992 *cur = array_nextsize (elem, *cur, cnt); 2097 *cur = array_nextsize (elem, *cur, cnt);
1993 return ev_realloc (base, elem * *cur); 2098 return ev_realloc (base, elem * *cur);
… …
1997 2102
1998#define array_needsize_zerofill(base,offset,count) \ 2103#define array_needsize_zerofill(base,offset,count) \
1999 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) 2104 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
2000 2105
2001#define array_needsize(type,base,cur,cnt,init) \ 2106#define array_needsize(type,base,cur,cnt,init) \
2002 if (expect_false ((cnt) > (cur))) \ 2107 if (ecb_expect_false ((cnt) > (cur))) \
2003 { \ 2108 { \
2004 ecb_unused int ocur_ = (cur); \ 2109 ecb_unused int ocur_ = (cur); \
2005 (base) = (type *)array_realloc \ 2110 (base) = (type *)array_realloc \
2006 (sizeof (type), (base), &(cur), (cnt)); \ 2111 (sizeof (type), (base), &(cur), (cnt)); \
2007 init ((base), ocur_, ((cur) - ocur_)); \ 2112 init ((base), ocur_, ((cur) - ocur_)); \
… …
2021 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 2126 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
2022 2127
2023/*****************************************************************************/ 2128/*****************************************************************************/
2024 2129
2025/* dummy callback for pending events */ 2130/* dummy callback for pending events */
2026noinline 2131ecb_noinline
2027static void 2132static void
2028pendingcb (EV_P_ ev_prepare *w, int revents) 2133pendingcb (EV_P_ ev_prepare *w, int revents)
2029{ 2134{
2030} 2135}
2031 2136
2032noinline 2137ecb_noinline
2033void 2138void
2034ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT 2139ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
2035{ 2140{
2036 W w_ = (W)w; 2141 W w_ = (W)w;
2037 int pri = ABSPRI (w_); 2142 int pri = ABSPRI (w_);
2038 2143
2039 if (expect_false (w_->pending)) 2144 if (ecb_expect_false (w_->pending))
2040 pendings [pri][w_->pending - 1].events |= revents; 2145 pendings [pri][w_->pending - 1].events |= revents;
2041 else 2146 else
2042 { 2147 {
2043 w_->pending = ++pendingcnt [pri]; 2148 w_->pending = ++pendingcnt [pri];
2044 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); 2149 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
… …
2095inline_speed void 2200inline_speed void
2096fd_event (EV_P_ int fd, int revents) 2201fd_event (EV_P_ int fd, int revents)
2097{ 2202{
2098 ANFD *anfd = anfds + fd; 2203 ANFD *anfd = anfds + fd;
2099 2204
2100 if (expect_true (!anfd->reify)) 2205 if (ecb_expect_true (!anfd->reify))
2101 fd_event_nocheck (EV_A_ fd, revents); 2206 fd_event_nocheck (EV_A_ fd, revents);
2102} 2207}
2103 2208
2104void 2209void
2105ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT 2210ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
… …
2149 unsigned char o_events = anfd->events; 2254 unsigned char o_events = anfd->events;
2150 unsigned char o_reify = anfd->reify; 2255 unsigned char o_reify = anfd->reify;
2151 2256
2152 anfd->reify = 0; 2257 anfd->reify = 0;
2153 2258
2154 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 2259 /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
2155 { 2260 {
2156 anfd->events = 0; 2261 anfd->events = 0;
2157 2262
2158 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 2263 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
2159 anfd->events |= (unsigned char)w->events; 2264 anfd->events |= (unsigned char)w->events;
… …
2175fd_change (EV_P_ int fd, int flags) 2280fd_change (EV_P_ int fd, int flags)
2176{ 2281{
2177 unsigned char reify = anfds [fd].reify; 2282 unsigned char reify = anfds [fd].reify;
2178 anfds [fd].reify |= flags; 2283 anfds [fd].reify |= flags;
2179 2284
2180 if (expect_true (!reify)) 2285 if (ecb_expect_true (!reify))
2181 { 2286 {
2182 ++fdchangecnt; 2287 ++fdchangecnt;
2183 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); 2288 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2184 fdchanges [fdchangecnt - 1] = fd; 2289 fdchanges [fdchangecnt - 1] = fd;
2185 } 2290 }
… …
2208 return fcntl (fd, F_GETFD) != -1; 2313 return fcntl (fd, F_GETFD) != -1;
2209#endif 2314#endif
2210} 2315}
2211 2316
2212/* called on EBADF to verify fds */ 2317/* called on EBADF to verify fds */
2213noinline ecb_cold 2318ecb_noinline ecb_cold
2214static void 2319static void
2215fd_ebadf (EV_P) 2320fd_ebadf (EV_P)
2216{ 2321{
2217 int fd; 2322 int fd;
2218 2323
… …
2221 if (!fd_valid (fd) && errno == EBADF) 2326 if (!fd_valid (fd) && errno == EBADF)
2222 fd_kill (EV_A_ fd); 2327 fd_kill (EV_A_ fd);
2223} 2328}
2224 2329
2225/* called on ENOMEM in select/poll to kill some fds and retry */ 2330/* called on ENOMEM in select/poll to kill some fds and retry */
2226noinline ecb_cold 2331ecb_noinline ecb_cold
2227static void 2332static void
2228fd_enomem (EV_P) 2333fd_enomem (EV_P)
2229{ 2334{
2230 int fd; 2335 int fd;
2231 2336
… …
2236 break; 2341 break;
2237 } 2342 }
2238} 2343}
2239 2344
2240/* usually called after fork if backend needs to re-arm all fds from scratch */ 2345/* usually called after fork if backend needs to re-arm all fds from scratch */
2241noinline 2346ecb_noinline
2242static void 2347static void
2243fd_rearm_all (EV_P) 2348fd_rearm_all (EV_P)
2244{ 2349{
2245 int fd; 2350 int fd;
2246 2351
… …
2300 ev_tstamp minat; 2405 ev_tstamp minat;
2301 ANHE *minpos; 2406 ANHE *minpos;
2302 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; 2407 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2303 2408
2304 /* find minimum child */ 2409 /* find minimum child */
2305 if (expect_true (pos + DHEAP - 1 < E)) 2410 if (ecb_expect_true (pos + DHEAP - 1 < E))
2306 { 2411 {
2307 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); 2412 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2308 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); 2413 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)); 2414 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)); 2415 if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2311 } 2416 }
2312 else if (pos < E) 2417 else if (pos < E)
2313 { 2418 {
2314 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); 2419 /* 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)); 2420 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)); 2421 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)); 2422 if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2318 } 2423 }
2319 else 2424 else
2320 break; 2425 break;
2321 2426
2322 if (ANHE_at (he) <= minat) 2427 if (ANHE_at (he) <= minat)
… …
2330 2435
2331 heap [k] = he; 2436 heap [k] = he;
2332 ev_active (ANHE_w (he)) = k; 2437 ev_active (ANHE_w (he)) = k;
2333} 2438}
2334 2439
2335#else /* 4HEAP */ 2440#else /* not 4HEAP */
2336 2441
2337#define HEAP0 1 2442#define HEAP0 1
2338#define HPARENT(k) ((k) >> 1) 2443#define HPARENT(k) ((k) >> 1)
2339#define UPHEAP_DONE(p,k) (!(p)) 2444#define UPHEAP_DONE(p,k) (!(p))
2340 2445
… …
2428 2533
2429/*****************************************************************************/ 2534/*****************************************************************************/
2430 2535
2431#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2536#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2432 2537
2433noinline ecb_cold 2538ecb_noinline ecb_cold
2434static void 2539static void
2435evpipe_init (EV_P) 2540evpipe_init (EV_P)
2436{ 2541{
2437 if (!ev_is_active (&pipe_w)) 2542 if (!ev_is_active (&pipe_w))
2438 { 2543 {
… …
2479inline_speed void 2584inline_speed void
2480evpipe_write (EV_P_ EV_ATOMIC_T *flag) 2585evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2481{ 2586{
2482 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ 2587 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2483 2588
2484 if (expect_true (*flag)) 2589 if (ecb_expect_true (*flag))
2485 return; 2590 return;
2486 2591
2487 *flag = 1; 2592 *flag = 1;
2488 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ 2593 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2489 2594
… …
2566 sig_pending = 0; 2671 sig_pending = 0;
2567 2672
2568 ECB_MEMORY_FENCE; 2673 ECB_MEMORY_FENCE;
2569 2674
2570 for (i = EV_NSIG - 1; i--; ) 2675 for (i = EV_NSIG - 1; i--; )
2571 if (expect_false (signals [i].pending)) 2676 if (ecb_expect_false (signals [i].pending))
2572 ev_feed_signal_event (EV_A_ i + 1); 2677 ev_feed_signal_event (EV_A_ i + 1);
2573 } 2678 }
2574#endif 2679#endif
2575 2680
2576#if EV_ASYNC_ENABLE 2681#if EV_ASYNC_ENABLE
… …
2617#endif 2722#endif
2618 2723
2619 ev_feed_signal (signum); 2724 ev_feed_signal (signum);
2620} 2725}
2621 2726
2622noinline 2727ecb_noinline
2623void 2728void
2624ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT 2729ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2625{ 2730{
2626 WL w; 2731 WL w;
2627 2732
2628 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2733 if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2629 return; 2734 return;
2630 2735
2631 --signum; 2736 --signum;
2632 2737
2633#if EV_MULTIPLICITY 2738#if EV_MULTIPLICITY
2634 /* it is permissible to try to feed a signal to the wrong loop */ 2739 /* 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 */ 2740 /* or, likely more useful, feeding a signal nobody is waiting for */
2636 2741
2637 if (expect_false (signals [signum].loop != EV_A)) 2742 if (ecb_expect_false (signals [signum].loop != EV_A))
2638 return; 2743 return;
2639#endif 2744#endif
2640 2745
2641 signals [signum].pending = 0; 2746 signals [signum].pending = 0;
2642 ECB_MEMORY_FENCE_RELEASE; 2747 ECB_MEMORY_FENCE_RELEASE;
… …
2741# include "ev_epoll.c" 2846# include "ev_epoll.c"
2742#endif 2847#endif
2743#if EV_USE_LINUXAIO 2848#if EV_USE_LINUXAIO
2744# include "ev_linuxaio.c" 2849# include "ev_linuxaio.c"
2745#endif 2850#endif
2851#if EV_USE_IOURING
2852# include "ev_iouring.c"
2853#endif
2746#if EV_USE_POLL 2854#if EV_USE_POLL
2747# include "ev_poll.c" 2855# include "ev_poll.c"
2748#endif 2856#endif
2749#if EV_USE_SELECT 2857#if EV_USE_SELECT
2750# include "ev_select.c" 2858# include "ev_select.c"
… …
2782 2890
2783 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2891 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2784 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; 2892 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2785 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2893 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2786 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; 2894 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2895 if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2787 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2896 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2788 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; 2897 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2789 2898
2790 return flags; 2899 return flags;
2791} 2900}
… …
2812 2921
2813 /* TODO: linuxaio is very experimental */ 2922 /* TODO: linuxaio is very experimental */
2814#if !EV_RECOMMEND_LINUXAIO 2923#if !EV_RECOMMEND_LINUXAIO
2815 flags &= ~EVBACKEND_LINUXAIO; 2924 flags &= ~EVBACKEND_LINUXAIO;
2816#endif 2925#endif
2926 /* TODO: linuxaio is super experimental */
2927#if !EV_RECOMMEND_IOURING
2928 flags &= ~EVBACKEND_IOURING;
2929#endif
2817 2930
2818 return flags; 2931 return flags;
2819} 2932}
2820 2933
2821ecb_cold 2934ecb_cold
… …
2826 2939
2827 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2940 /* 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 */ 2941 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2829 flags &= ~EVBACKEND_EPOLL; 2942 flags &= ~EVBACKEND_EPOLL;
2830 2943
2944 /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
2945
2946 /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
2947 * because our backend_fd is the epoll fd we need as fallback.
2948 * if the kernel ever is fixed, this might change...
2949 */
2950
2831 return flags; 2951 return flags;
2832} 2952}
2833 2953
2834unsigned int 2954unsigned int
2835ev_backend (EV_P) EV_NOEXCEPT 2955ev_backend (EV_P) EV_NOEXCEPT
… …
2887 acquire_cb = acquire; 3007 acquire_cb = acquire;
2888} 3008}
2889#endif 3009#endif
2890 3010
2891/* initialise a loop structure, must be zero-initialised */ 3011/* initialise a loop structure, must be zero-initialised */
2892noinline ecb_cold 3012ecb_noinline ecb_cold
2893static void 3013static void
2894loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT 3014loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2895{ 3015{
2896 if (!backend) 3016 if (!backend)
2897 { 3017 {
… …
2965 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 3085 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2966#endif 3086#endif
2967#if EV_USE_KQUEUE 3087#if EV_USE_KQUEUE
2968 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); 3088 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2969#endif 3089#endif
3090#if EV_USE_IOURING
3091 if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
3092#endif
2970#if EV_USE_LINUXAIO 3093#if EV_USE_LINUXAIO
2971 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); 3094 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2972#endif 3095#endif
2973#if EV_USE_EPOLL 3096#if EV_USE_EPOLL
2974 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 3097 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
… …
3002 return; 3125 return;
3003#endif 3126#endif
3004 3127
3005#if EV_CLEANUP_ENABLE 3128#if EV_CLEANUP_ENABLE
3006 /* queue cleanup watchers (and execute them) */ 3129 /* queue cleanup watchers (and execute them) */
3007 if (expect_false (cleanupcnt)) 3130 if (ecb_expect_false (cleanupcnt))
3008 { 3131 {
3009 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); 3132 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
3010 EV_INVOKE_PENDING; 3133 EV_INVOKE_PENDING;
3011 } 3134 }
3012#endif 3135#endif
… …
3047#if EV_USE_PORT 3170#if EV_USE_PORT
3048 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3171 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3049#endif 3172#endif
3050#if EV_USE_KQUEUE 3173#if EV_USE_KQUEUE
3051 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); 3174 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3175#endif
3176#if EV_USE_IOURING
3177 if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
3052#endif 3178#endif
3053#if EV_USE_LINUXAIO 3179#if EV_USE_LINUXAIO
3054 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); 3180 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3055#endif 3181#endif
3056#if EV_USE_EPOLL 3182#if EV_USE_EPOLL
… …
3115 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3241 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3116#endif 3242#endif
3117#if EV_USE_KQUEUE 3243#if EV_USE_KQUEUE
3118 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); 3244 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3119#endif 3245#endif
3246#if EV_USE_IOURING
3247 if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
3248#endif
3120#if EV_USE_LINUXAIO 3249#if EV_USE_LINUXAIO
3121 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); 3250 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3122#endif 3251#endif
3123#if EV_USE_EPOLL 3252#if EV_USE_EPOLL
3124 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3253 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
… …
3166} 3295}
3167 3296
3168#endif /* multiplicity */ 3297#endif /* multiplicity */
3169 3298
3170#if EV_VERIFY 3299#if EV_VERIFY
3171noinline ecb_cold 3300ecb_noinline ecb_cold
3172static void 3301static void
3173verify_watcher (EV_P_ W w) 3302verify_watcher (EV_P_ W w)
3174{ 3303{
3175 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 3304 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
3176 3305
3177 if (w->pending) 3306 if (w->pending)
3178 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 3307 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
3179} 3308}
3180 3309
3181noinline ecb_cold 3310ecb_noinline ecb_cold
3182static void 3311static void
3183verify_heap (EV_P_ ANHE *heap, int N) 3312verify_heap (EV_P_ ANHE *heap, int N)
3184{ 3313{
3185 int i; 3314 int i;
3186 3315
… …
3192 3321
3193 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 3322 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
3194 } 3323 }
3195} 3324}
3196 3325
3197noinline ecb_cold 3326ecb_noinline ecb_cold
3198static void 3327static void
3199array_verify (EV_P_ W *ws, int cnt) 3328array_verify (EV_P_ W *ws, int cnt)
3200{ 3329{
3201 while (cnt--) 3330 while (cnt--)
3202 { 3331 {
… …
3351 count += pendingcnt [pri]; 3480 count += pendingcnt [pri];
3352 3481
3353 return count; 3482 return count;
3354} 3483}
3355 3484
3356noinline 3485ecb_noinline
3357void 3486void
3358ev_invoke_pending (EV_P) 3487ev_invoke_pending (EV_P)
3359{ 3488{
3360 pendingpri = NUMPRI; 3489 pendingpri = NUMPRI;
3361 3490
… …
3380/* make idle watchers pending. this handles the "call-idle */ 3509/* make idle watchers pending. this handles the "call-idle */
3381/* only when higher priorities are idle" logic */ 3510/* only when higher priorities are idle" logic */
3382inline_size void 3511inline_size void
3383idle_reify (EV_P) 3512idle_reify (EV_P)
3384{ 3513{
3385 if (expect_false (idleall)) 3514 if (ecb_expect_false (idleall))
3386 { 3515 {
3387 int pri; 3516 int pri;
3388 3517
3389 for (pri = NUMPRI; pri--; ) 3518 for (pri = NUMPRI; pri--; )
3390 { 3519 {
… …
3420 { 3549 {
3421 ev_at (w) += w->repeat; 3550 ev_at (w) += w->repeat;
3422 if (ev_at (w) < mn_now) 3551 if (ev_at (w) < mn_now)
3423 ev_at (w) = mn_now; 3552 ev_at (w) = mn_now;
3424 3553
3425 assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 3554 assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.)));
3426 3555
3427 ANHE_at_cache (timers [HEAP0]); 3556 ANHE_at_cache (timers [HEAP0]);
3428 downheap (timers, timercnt, HEAP0); 3557 downheap (timers, timercnt, HEAP0);
3429 } 3558 }
3430 else 3559 else
… …
3439 } 3568 }
3440} 3569}
3441 3570
3442#if EV_PERIODIC_ENABLE 3571#if EV_PERIODIC_ENABLE
3443 3572
3444noinline 3573ecb_noinline
3445static void 3574static void
3446periodic_recalc (EV_P_ ev_periodic *w) 3575periodic_recalc (EV_P_ ev_periodic *w)
3447{ 3576{
3448 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; 3577 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); 3578 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
… …
3452 while (at <= ev_rt_now) 3581 while (at <= ev_rt_now)
3453 { 3582 {
3454 ev_tstamp nat = at + w->interval; 3583 ev_tstamp nat = at + w->interval;
3455 3584
3456 /* when resolution fails us, we use ev_rt_now */ 3585 /* when resolution fails us, we use ev_rt_now */
3457 if (expect_false (nat == at)) 3586 if (ecb_expect_false (nat == at))
3458 { 3587 {
3459 at = ev_rt_now; 3588 at = ev_rt_now;
3460 break; 3589 break;
3461 } 3590 }
3462 3591
… …
3508 } 3637 }
3509} 3638}
3510 3639
3511/* simply recalculate all periodics */ 3640/* simply recalculate all periodics */
3512/* TODO: maybe ensure that at least one event happens when jumping forward? */ 3641/* TODO: maybe ensure that at least one event happens when jumping forward? */
3513noinline ecb_cold 3642ecb_noinline ecb_cold
3514static void 3643static void
3515periodics_reschedule (EV_P) 3644periodics_reschedule (EV_P)
3516{ 3645{
3517 int i; 3646 int i;
3518 3647
… …
3532 reheap (periodics, periodiccnt); 3661 reheap (periodics, periodiccnt);
3533} 3662}
3534#endif 3663#endif
3535 3664
3536/* adjust all timers by a given offset */ 3665/* adjust all timers by a given offset */
3537noinline ecb_cold 3666ecb_noinline ecb_cold
3538static void 3667static void
3539timers_reschedule (EV_P_ ev_tstamp adjust) 3668timers_reschedule (EV_P_ ev_tstamp adjust)
3540{ 3669{
3541 int i; 3670 int i;
3542 3671
… …
3552/* also detect if there was a timejump, and act accordingly */ 3681/* also detect if there was a timejump, and act accordingly */
3553inline_speed void 3682inline_speed void
3554time_update (EV_P_ ev_tstamp max_block) 3683time_update (EV_P_ ev_tstamp max_block)
3555{ 3684{
3556#if EV_USE_MONOTONIC 3685#if EV_USE_MONOTONIC
3557 if (expect_true (have_monotonic)) 3686 if (ecb_expect_true (have_monotonic))
3558 { 3687 {
3559 int i; 3688 int i;
3560 ev_tstamp odiff = rtmn_diff; 3689 ev_tstamp odiff = rtmn_diff;
3561 3690
3562 mn_now = get_clock (); 3691 mn_now = get_clock ();
3563 3692
3564 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ 3693 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3565 /* interpolate in the meantime */ 3694 /* interpolate in the meantime */
3566 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 3695 if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5)))
3567 { 3696 {
3568 ev_rt_now = rtmn_diff + mn_now; 3697 ev_rt_now = rtmn_diff + mn_now;
3569 return; 3698 return;
3570 } 3699 }
3571 3700
… …
3585 ev_tstamp diff; 3714 ev_tstamp diff;
3586 rtmn_diff = ev_rt_now - mn_now; 3715 rtmn_diff = ev_rt_now - mn_now;
3587 3716
3588 diff = odiff - rtmn_diff; 3717 diff = odiff - rtmn_diff;
3589 3718
3590 if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) 3719 if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP)))
3591 return; /* all is well */ 3720 return; /* all is well */
3592 3721
3593 ev_rt_now = ev_time (); 3722 ev_rt_now = ev_time ();
3594 mn_now = get_clock (); 3723 mn_now = get_clock ();
3595 now_floor = mn_now; 3724 now_floor = mn_now;
… …
3604 else 3733 else
3605#endif 3734#endif
3606 { 3735 {
3607 ev_rt_now = ev_time (); 3736 ev_rt_now = ev_time ();
3608 3737
3609 if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) 3738 if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP)))
3610 { 3739 {
3611 /* adjust timers. this is easy, as the offset is the same for all of them */ 3740 /* 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); 3741 timers_reschedule (EV_A_ ev_rt_now - mn_now);
3613#if EV_PERIODIC_ENABLE 3742#if EV_PERIODIC_ENABLE
3614 periodics_reschedule (EV_A); 3743 periodics_reschedule (EV_A);
… …
3637#if EV_VERIFY >= 2 3766#if EV_VERIFY >= 2
3638 ev_verify (EV_A); 3767 ev_verify (EV_A);
3639#endif 3768#endif
3640 3769
3641#ifndef _WIN32 3770#ifndef _WIN32
3642 if (expect_false (curpid)) /* penalise the forking check even more */ 3771 if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3643 if (expect_false (getpid () != curpid)) 3772 if (ecb_expect_false (getpid () != curpid))
3644 { 3773 {
3645 curpid = getpid (); 3774 curpid = getpid ();
3646 postfork = 1; 3775 postfork = 1;
3647 } 3776 }
3648#endif 3777#endif
3649 3778
3650#if EV_FORK_ENABLE 3779#if EV_FORK_ENABLE
3651 /* we might have forked, so queue fork handlers */ 3780 /* we might have forked, so queue fork handlers */
3652 if (expect_false (postfork)) 3781 if (ecb_expect_false (postfork))
3653 if (forkcnt) 3782 if (forkcnt)
3654 { 3783 {
3655 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 3784 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3656 EV_INVOKE_PENDING; 3785 EV_INVOKE_PENDING;
3657 } 3786 }
3658#endif 3787#endif
3659 3788
3660#if EV_PREPARE_ENABLE 3789#if EV_PREPARE_ENABLE
3661 /* queue prepare watchers (and execute them) */ 3790 /* queue prepare watchers (and execute them) */
3662 if (expect_false (preparecnt)) 3791 if (ecb_expect_false (preparecnt))
3663 { 3792 {
3664 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 3793 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3665 EV_INVOKE_PENDING; 3794 EV_INVOKE_PENDING;
3666 } 3795 }
3667#endif 3796#endif
3668 3797
3669 if (expect_false (loop_done)) 3798 if (ecb_expect_false (loop_done))
3670 break; 3799 break;
3671 3800
3672 /* we might have forked, so reify kernel state if necessary */ 3801 /* we might have forked, so reify kernel state if necessary */
3673 if (expect_false (postfork)) 3802 if (ecb_expect_false (postfork))
3674 loop_fork (EV_A); 3803 loop_fork (EV_A);
3675 3804
3676 /* update fd-related kernel structures */ 3805 /* update fd-related kernel structures */
3677 fd_reify (EV_A); 3806 fd_reify (EV_A);
3678 3807
… …
3683 3812
3684 /* remember old timestamp for io_blocktime calculation */ 3813 /* remember old timestamp for io_blocktime calculation */
3685 ev_tstamp prev_mn_now = mn_now; 3814 ev_tstamp prev_mn_now = mn_now;
3686 3815
3687 /* update time to cancel out callback processing overhead */ 3816 /* update time to cancel out callback processing overhead */
3688 time_update (EV_A_ 1e100); 3817 time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE));
3689 3818
3690 /* from now on, we want a pipe-wake-up */ 3819 /* from now on, we want a pipe-wake-up */
3691 pipe_write_wanted = 1; 3820 pipe_write_wanted = 1;
3692 3821
3693 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ 3822 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3694 3823
3695 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 3824 if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3696 { 3825 {
3697 waittime = MAX_BLOCKTIME; 3826 waittime = EV_TS_CONST (MAX_BLOCKTIME);
3698 3827
3699 if (timercnt) 3828 if (timercnt)
3700 { 3829 {
3701 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; 3830 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
3702 if (waittime > to) waittime = to; 3831 if (waittime > to) waittime = to;
… …
3709 if (waittime > to) waittime = to; 3838 if (waittime > to) waittime = to;
3710 } 3839 }
3711#endif 3840#endif
3712 3841
3713 /* don't let timeouts decrease the waittime below timeout_blocktime */ 3842 /* don't let timeouts decrease the waittime below timeout_blocktime */
3714 if (expect_false (waittime < timeout_blocktime)) 3843 if (ecb_expect_false (waittime < timeout_blocktime))
3715 waittime = timeout_blocktime; 3844 waittime = timeout_blocktime;
3716 3845
3717 /* at this point, we NEED to wait, so we have to ensure */ 3846 /* at this point, we NEED to wait, so we have to ensure */
3718 /* to pass a minimum nonzero value to the backend */ 3847 /* to pass a minimum nonzero value to the backend */
3719 if (expect_false (waittime < backend_mintime)) 3848 if (ecb_expect_false (waittime < backend_mintime))
3720 waittime = backend_mintime; 3849 waittime = backend_mintime;
3721 3850
3722 /* extra check because io_blocktime is commonly 0 */ 3851 /* extra check because io_blocktime is commonly 0 */
3723 if (expect_false (io_blocktime)) 3852 if (ecb_expect_false (io_blocktime))
3724 { 3853 {
3725 sleeptime = io_blocktime - (mn_now - prev_mn_now); 3854 sleeptime = io_blocktime - (mn_now - prev_mn_now);
3726 3855
3727 if (sleeptime > waittime - backend_mintime) 3856 if (sleeptime > waittime - backend_mintime)
3728 sleeptime = waittime - backend_mintime; 3857 sleeptime = waittime - backend_mintime;
3729 3858
3730 if (expect_true (sleeptime > 0.)) 3859 if (ecb_expect_true (sleeptime > EV_TS_CONST (0.)))
3731 { 3860 {
3732 ev_sleep (sleeptime); 3861 ev_sleep (sleeptime);
3733 waittime -= sleeptime; 3862 waittime -= sleeptime;
3734 } 3863 }
3735 } 3864 }
… …
3749 { 3878 {
3750 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3879 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); 3880 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3752 } 3881 }
3753 3882
3754
3755 /* update ev_rt_now, do magic */ 3883 /* update ev_rt_now, do magic */
3756 time_update (EV_A_ waittime + sleeptime); 3884 time_update (EV_A_ waittime + sleeptime);
3757 } 3885 }
3758 3886
3759 /* queue pending timers and reschedule them */ 3887 /* queue pending timers and reschedule them */
… …
3767 idle_reify (EV_A); 3895 idle_reify (EV_A);
3768#endif 3896#endif
3769 3897
3770#if EV_CHECK_ENABLE 3898#if EV_CHECK_ENABLE
3771 /* queue check watchers, to be executed first */ 3899 /* queue check watchers, to be executed first */
3772 if (expect_false (checkcnt)) 3900 if (ecb_expect_false (checkcnt))
3773 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 3901 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3774#endif 3902#endif
3775 3903
3776 EV_INVOKE_PENDING; 3904 EV_INVOKE_PENDING;
3777 } 3905 }
3778 while (expect_true ( 3906 while (ecb_expect_true (
3779 activecnt 3907 activecnt
3780 && !loop_done 3908 && !loop_done
3781 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) 3909 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3782 )); 3910 ));
3783 3911
… …
3810} 3938}
3811 3939
3812void 3940void
3813ev_now_update (EV_P) EV_NOEXCEPT 3941ev_now_update (EV_P) EV_NOEXCEPT
3814{ 3942{
3815 time_update (EV_A_ 1e100); 3943 time_update (EV_A_ EV_TSTAMP_HUGE);
3816} 3944}
3817 3945
3818void 3946void
3819ev_suspend (EV_P) EV_NOEXCEPT 3947ev_suspend (EV_P) EV_NOEXCEPT
3820{ 3948{
… …
3847inline_size void 3975inline_size void
3848wlist_del (WL *head, WL elem) 3976wlist_del (WL *head, WL elem)
3849{ 3977{
3850 while (*head) 3978 while (*head)
3851 { 3979 {
3852 if (expect_true (*head == elem)) 3980 if (ecb_expect_true (*head == elem))
3853 { 3981 {
3854 *head = elem->next; 3982 *head = elem->next;
3855 break; 3983 break;
3856 } 3984 }
3857 3985
… …
3874ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT 4002ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3875{ 4003{
3876 W w_ = (W)w; 4004 W w_ = (W)w;
3877 int pending = w_->pending; 4005 int pending = w_->pending;
3878 4006
3879 if (expect_true (pending)) 4007 if (ecb_expect_true (pending))
3880 { 4008 {
3881 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; 4009 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3882 p->w = (W)&pending_w; 4010 p->w = (W)&pending_w;
3883 w_->pending = 0; 4011 w_->pending = 0;
3884 return p->events; 4012 return p->events;
… …
3911 w->active = 0; 4039 w->active = 0;
3912} 4040}
3913 4041
3914/*****************************************************************************/ 4042/*****************************************************************************/
3915 4043
3916noinline 4044ecb_noinline
3917void 4045void
3918ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT 4046ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3919{ 4047{
3920 int fd = w->fd; 4048 int fd = w->fd;
3921 4049
3922 if (expect_false (ev_is_active (w))) 4050 if (ecb_expect_false (ev_is_active (w)))
3923 return; 4051 return;
3924 4052
3925 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 4053 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)))); 4054 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3927 4055
… …
3941 w->events &= ~EV__IOFDSET; 4069 w->events &= ~EV__IOFDSET;
3942 4070
3943 EV_FREQUENT_CHECK; 4071 EV_FREQUENT_CHECK;
3944} 4072}
3945 4073
3946noinline 4074ecb_noinline
3947void 4075void
3948ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT 4076ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3949{ 4077{
3950 clear_pending (EV_A_ (W)w); 4078 clear_pending (EV_A_ (W)w);
3951 if (expect_false (!ev_is_active (w))) 4079 if (ecb_expect_false (!ev_is_active (w)))
3952 return; 4080 return;
3953 4081
3954 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 4082 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3955 4083
3956#if EV_VERIFY >= 2 4084#if EV_VERIFY >= 2
… …
3964 fd_change (EV_A_ w->fd, EV_ANFD_REIFY); 4092 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3965 4093
3966 EV_FREQUENT_CHECK; 4094 EV_FREQUENT_CHECK;
3967} 4095}
3968 4096
3969noinline 4097ecb_noinline
3970void 4098void
3971ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT 4099ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3972{ 4100{
3973 if (expect_false (ev_is_active (w))) 4101 if (ecb_expect_false (ev_is_active (w)))
3974 return; 4102 return;
3975 4103
3976 ev_at (w) += mn_now; 4104 ev_at (w) += mn_now;
3977 4105
3978 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 4106 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
… …
3989 EV_FREQUENT_CHECK; 4117 EV_FREQUENT_CHECK;
3990 4118
3991 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 4119 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3992} 4120}
3993 4121
3994noinline 4122ecb_noinline
3995void 4123void
3996ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT 4124ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3997{ 4125{
3998 clear_pending (EV_A_ (W)w); 4126 clear_pending (EV_A_ (W)w);
3999 if (expect_false (!ev_is_active (w))) 4127 if (ecb_expect_false (!ev_is_active (w)))
4000 return; 4128 return;
4001 4129
4002 EV_FREQUENT_CHECK; 4130 EV_FREQUENT_CHECK;
4003 4131
4004 { 4132 {
… …
4006 4134
4007 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); 4135 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
4008 4136
4009 --timercnt; 4137 --timercnt;
4010 4138
4011 if (expect_true (active < timercnt + HEAP0)) 4139 if (ecb_expect_true (active < timercnt + HEAP0))
4012 { 4140 {
4013 timers [active] = timers [timercnt + HEAP0]; 4141 timers [active] = timers [timercnt + HEAP0];
4014 adjustheap (timers, timercnt, active); 4142 adjustheap (timers, timercnt, active);
4015 } 4143 }
4016 } 4144 }
… …
4020 ev_stop (EV_A_ (W)w); 4148 ev_stop (EV_A_ (W)w);
4021 4149
4022 EV_FREQUENT_CHECK; 4150 EV_FREQUENT_CHECK;
4023} 4151}
4024 4152
4025noinline 4153ecb_noinline
4026void 4154void
4027ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT 4155ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
4028{ 4156{
4029 EV_FREQUENT_CHECK; 4157 EV_FREQUENT_CHECK;
4030 4158
… …
4051} 4179}
4052 4180
4053ev_tstamp 4181ev_tstamp
4054ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT 4182ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
4055{ 4183{
4056 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4184 return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.));
4057} 4185}
4058 4186
4059#if EV_PERIODIC_ENABLE 4187#if EV_PERIODIC_ENABLE
4060noinline 4188ecb_noinline
4061void 4189void
4062ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT 4190ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4063{ 4191{
4064 if (expect_false (ev_is_active (w))) 4192 if (ecb_expect_false (ev_is_active (w)))
4065 return; 4193 return;
4066 4194
4067 if (w->reschedule_cb) 4195 if (w->reschedule_cb)
4068 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 4196 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
4069 else if (w->interval) 4197 else if (w->interval)
… …
4086 EV_FREQUENT_CHECK; 4214 EV_FREQUENT_CHECK;
4087 4215
4088 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4216 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4089} 4217}
4090 4218
4091noinline 4219ecb_noinline
4092void 4220void
4093ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT 4221ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4094{ 4222{
4095 clear_pending (EV_A_ (W)w); 4223 clear_pending (EV_A_ (W)w);
4096 if (expect_false (!ev_is_active (w))) 4224 if (ecb_expect_false (!ev_is_active (w)))
4097 return; 4225 return;
4098 4226
4099 EV_FREQUENT_CHECK; 4227 EV_FREQUENT_CHECK;
4100 4228
4101 { 4229 {
… …
4103 4231
4104 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); 4232 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
4105 4233
4106 --periodiccnt; 4234 --periodiccnt;
4107 4235
4108 if (expect_true (active < periodiccnt + HEAP0)) 4236 if (ecb_expect_true (active < periodiccnt + HEAP0))
4109 { 4237 {
4110 periodics [active] = periodics [periodiccnt + HEAP0]; 4238 periodics [active] = periodics [periodiccnt + HEAP0];
4111 adjustheap (periodics, periodiccnt, active); 4239 adjustheap (periodics, periodiccnt, active);
4112 } 4240 }
4113 } 4241 }
… …
4115 ev_stop (EV_A_ (W)w); 4243 ev_stop (EV_A_ (W)w);
4116 4244
4117 EV_FREQUENT_CHECK; 4245 EV_FREQUENT_CHECK;
4118} 4246}
4119 4247
4120noinline 4248ecb_noinline
4121void 4249void
4122ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT 4250ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4123{ 4251{
4124 /* TODO: use adjustheap and recalculation */ 4252 /* TODO: use adjustheap and recalculation */
4125 ev_periodic_stop (EV_A_ w); 4253 ev_periodic_stop (EV_A_ w);
… …
4131# define SA_RESTART 0 4259# define SA_RESTART 0
4132#endif 4260#endif
4133 4261
4134#if EV_SIGNAL_ENABLE 4262#if EV_SIGNAL_ENABLE
4135 4263
4136noinline 4264ecb_noinline
4137void 4265void
4138ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT 4266ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4139{ 4267{
4140 if (expect_false (ev_is_active (w))) 4268 if (ecb_expect_false (ev_is_active (w)))
4141 return; 4269 return;
4142 4270
4143 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4271 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
4144 4272
4145#if EV_MULTIPLICITY 4273#if EV_MULTIPLICITY
… …
4214 } 4342 }
4215 4343
4216 EV_FREQUENT_CHECK; 4344 EV_FREQUENT_CHECK;
4217} 4345}
4218 4346
4219noinline 4347ecb_noinline
4220void 4348void
4221ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT 4349ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4222{ 4350{
4223 clear_pending (EV_A_ (W)w); 4351 clear_pending (EV_A_ (W)w);
4224 if (expect_false (!ev_is_active (w))) 4352 if (ecb_expect_false (!ev_is_active (w)))
4225 return; 4353 return;
4226 4354
4227 EV_FREQUENT_CHECK; 4355 EV_FREQUENT_CHECK;
4228 4356
4229 wlist_del (&signals [w->signum - 1].head, (WL)w); 4357 wlist_del (&signals [w->signum - 1].head, (WL)w);
… …
4262ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT 4390ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4263{ 4391{
4264#if EV_MULTIPLICITY 4392#if EV_MULTIPLICITY
4265 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4393 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4266#endif 4394#endif
4267 if (expect_false (ev_is_active (w))) 4395 if (ecb_expect_false (ev_is_active (w)))
4268 return; 4396 return;
4269 4397
4270 EV_FREQUENT_CHECK; 4398 EV_FREQUENT_CHECK;
4271 4399
4272 ev_start (EV_A_ (W)w, 1); 4400 ev_start (EV_A_ (W)w, 1);
… …
4277 4405
4278void 4406void
4279ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT 4407ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4280{ 4408{
4281 clear_pending (EV_A_ (W)w); 4409 clear_pending (EV_A_ (W)w);
4282 if (expect_false (!ev_is_active (w))) 4410 if (ecb_expect_false (!ev_is_active (w)))
4283 return; 4411 return;
4284 4412
4285 EV_FREQUENT_CHECK; 4413 EV_FREQUENT_CHECK;
4286 4414
4287 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); 4415 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
… …
4301 4429
4302#define DEF_STAT_INTERVAL 5.0074891 4430#define DEF_STAT_INTERVAL 5.0074891
4303#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ 4431#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4304#define MIN_STAT_INTERVAL 0.1074891 4432#define MIN_STAT_INTERVAL 0.1074891
4305 4433
4306noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); 4434ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4307 4435
4308#if EV_USE_INOTIFY 4436#if EV_USE_INOTIFY
4309 4437
4310/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ 4438/* 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) 4439# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4312 4440
4313noinline 4441ecb_noinline
4314static void 4442static void
4315infy_add (EV_P_ ev_stat *w) 4443infy_add (EV_P_ ev_stat *w)
4316{ 4444{
4317 w->wd = inotify_add_watch (fs_fd, w->path, 4445 w->wd = inotify_add_watch (fs_fd, w->path,
4318 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY 4446 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
… …
4383 if (ev_is_active (&w->timer)) ev_ref (EV_A); 4511 if (ev_is_active (&w->timer)) ev_ref (EV_A);
4384 ev_timer_again (EV_A_ &w->timer); 4512 ev_timer_again (EV_A_ &w->timer);
4385 if (ev_is_active (&w->timer)) ev_unref (EV_A); 4513 if (ev_is_active (&w->timer)) ev_unref (EV_A);
4386} 4514}
4387 4515
4388noinline 4516ecb_noinline
4389static void 4517static void
4390infy_del (EV_P_ ev_stat *w) 4518infy_del (EV_P_ ev_stat *w)
4391{ 4519{
4392 int slot; 4520 int slot;
4393 int wd = w->wd; 4521 int wd = w->wd;
… …
4401 4529
4402 /* remove this watcher, if others are watching it, they will rearm */ 4530 /* remove this watcher, if others are watching it, they will rearm */
4403 inotify_rm_watch (fs_fd, wd); 4531 inotify_rm_watch (fs_fd, wd);
4404} 4532}
4405 4533
4406noinline 4534ecb_noinline
4407static void 4535static void
4408infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 4536infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4409{ 4537{
4410 if (slot < 0) 4538 if (slot < 0)
4411 /* overflow, need to check for all hash slots */ 4539 /* overflow, need to check for all hash slots */
… …
4557 w->attr.st_nlink = 0; 4685 w->attr.st_nlink = 0;
4558 else if (!w->attr.st_nlink) 4686 else if (!w->attr.st_nlink)
4559 w->attr.st_nlink = 1; 4687 w->attr.st_nlink = 1;
4560} 4688}
4561 4689
4562noinline 4690ecb_noinline
4563static void 4691static void
4564stat_timer_cb (EV_P_ ev_timer *w_, int revents) 4692stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4565{ 4693{
4566 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 4694 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4567 4695
… …
4601} 4729}
4602 4730
4603void 4731void
4604ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT 4732ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4605{ 4733{
4606 if (expect_false (ev_is_active (w))) 4734 if (ecb_expect_false (ev_is_active (w)))
4607 return; 4735 return;
4608 4736
4609 ev_stat_stat (EV_A_ w); 4737 ev_stat_stat (EV_A_ w);
4610 4738
4611 if (w->interval < MIN_STAT_INTERVAL && w->interval) 4739 if (w->interval < MIN_STAT_INTERVAL && w->interval)
… …
4633 4761
4634void 4762void
4635ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT 4763ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4636{ 4764{
4637 clear_pending (EV_A_ (W)w); 4765 clear_pending (EV_A_ (W)w);
4638 if (expect_false (!ev_is_active (w))) 4766 if (ecb_expect_false (!ev_is_active (w)))
4639 return; 4767 return;
4640 4768
4641 EV_FREQUENT_CHECK; 4769 EV_FREQUENT_CHECK;
4642 4770
4643#if EV_USE_INOTIFY 4771#if EV_USE_INOTIFY
… …
4658 4786
4659#if EV_IDLE_ENABLE 4787#if EV_IDLE_ENABLE
4660void 4788void
4661ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT 4789ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4662{ 4790{
4663 if (expect_false (ev_is_active (w))) 4791 if (ecb_expect_false (ev_is_active (w)))
4664 return; 4792 return;
4665 4793
4666 pri_adjust (EV_A_ (W)w); 4794 pri_adjust (EV_A_ (W)w);
4667 4795
4668 EV_FREQUENT_CHECK; 4796 EV_FREQUENT_CHECK;
… …
4682 4810
4683void 4811void
4684ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT 4812ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4685{ 4813{
4686 clear_pending (EV_A_ (W)w); 4814 clear_pending (EV_A_ (W)w);
4687 if (expect_false (!ev_is_active (w))) 4815 if (ecb_expect_false (!ev_is_active (w)))
4688 return; 4816 return;
4689 4817
4690 EV_FREQUENT_CHECK; 4818 EV_FREQUENT_CHECK;
4691 4819
4692 { 4820 {
… …
4705 4833
4706#if EV_PREPARE_ENABLE 4834#if EV_PREPARE_ENABLE
4707void 4835void
4708ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT 4836ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4709{ 4837{
4710 if (expect_false (ev_is_active (w))) 4838 if (ecb_expect_false (ev_is_active (w)))
4711 return; 4839 return;
4712 4840
4713 EV_FREQUENT_CHECK; 4841 EV_FREQUENT_CHECK;
4714 4842
4715 ev_start (EV_A_ (W)w, ++preparecnt); 4843 ev_start (EV_A_ (W)w, ++preparecnt);
… …
4721 4849
4722void 4850void
4723ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT 4851ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4724{ 4852{
4725 clear_pending (EV_A_ (W)w); 4853 clear_pending (EV_A_ (W)w);
4726 if (expect_false (!ev_is_active (w))) 4854 if (ecb_expect_false (!ev_is_active (w)))
4727 return; 4855 return;
4728 4856
4729 EV_FREQUENT_CHECK; 4857 EV_FREQUENT_CHECK;
4730 4858
4731 { 4859 {
… …
4743 4871
4744#if EV_CHECK_ENABLE 4872#if EV_CHECK_ENABLE
4745void 4873void
4746ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT 4874ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4747{ 4875{
4748 if (expect_false (ev_is_active (w))) 4876 if (ecb_expect_false (ev_is_active (w)))
4749 return; 4877 return;
4750 4878
4751 EV_FREQUENT_CHECK; 4879 EV_FREQUENT_CHECK;
4752 4880
4753 ev_start (EV_A_ (W)w, ++checkcnt); 4881 ev_start (EV_A_ (W)w, ++checkcnt);
… …
4759 4887
4760void 4888void
4761ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT 4889ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4762{ 4890{
4763 clear_pending (EV_A_ (W)w); 4891 clear_pending (EV_A_ (W)w);
4764 if (expect_false (!ev_is_active (w))) 4892 if (ecb_expect_false (!ev_is_active (w)))
4765 return; 4893 return;
4766 4894
4767 EV_FREQUENT_CHECK; 4895 EV_FREQUENT_CHECK;
4768 4896
4769 { 4897 {
… …
4778 EV_FREQUENT_CHECK; 4906 EV_FREQUENT_CHECK;
4779} 4907}
4780#endif 4908#endif
4781 4909
4782#if EV_EMBED_ENABLE 4910#if EV_EMBED_ENABLE
4783noinline 4911ecb_noinline
4784void 4912void
4785ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT 4913ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4786{ 4914{
4787 ev_run (w->other, EVRUN_NOWAIT); 4915 ev_run (w->other, EVRUN_NOWAIT);
4788} 4916}
… …
4840#endif 4968#endif
4841 4969
4842void 4970void
4843ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT 4971ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4844{ 4972{
4845 if (expect_false (ev_is_active (w))) 4973 if (ecb_expect_false (ev_is_active (w)))
4846 return; 4974 return;
4847 4975
4848 { 4976 {
4849 EV_P = w->other; 4977 EV_P = w->other;
4850 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 4978 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
… …
4872 5000
4873void 5001void
4874ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT 5002ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4875{ 5003{
4876 clear_pending (EV_A_ (W)w); 5004 clear_pending (EV_A_ (W)w);
4877 if (expect_false (!ev_is_active (w))) 5005 if (ecb_expect_false (!ev_is_active (w)))
4878 return; 5006 return;
4879 5007
4880 EV_FREQUENT_CHECK; 5008 EV_FREQUENT_CHECK;
4881 5009
4882 ev_io_stop (EV_A_ &w->io); 5010 ev_io_stop (EV_A_ &w->io);
… …
4891 5019
4892#if EV_FORK_ENABLE 5020#if EV_FORK_ENABLE
4893void 5021void
4894ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT 5022ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4895{ 5023{
4896 if (expect_false (ev_is_active (w))) 5024 if (ecb_expect_false (ev_is_active (w)))
4897 return; 5025 return;
4898 5026
4899 EV_FREQUENT_CHECK; 5027 EV_FREQUENT_CHECK;
4900 5028
4901 ev_start (EV_A_ (W)w, ++forkcnt); 5029 ev_start (EV_A_ (W)w, ++forkcnt);
… …
4907 5035
4908void 5036void
4909ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT 5037ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4910{ 5038{
4911 clear_pending (EV_A_ (W)w); 5039 clear_pending (EV_A_ (W)w);
4912 if (expect_false (!ev_is_active (w))) 5040 if (ecb_expect_false (!ev_is_active (w)))
4913 return; 5041 return;
4914 5042
4915 EV_FREQUENT_CHECK; 5043 EV_FREQUENT_CHECK;
4916 5044
4917 { 5045 {
… …
4929 5057
4930#if EV_CLEANUP_ENABLE 5058#if EV_CLEANUP_ENABLE
4931void 5059void
4932ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5060ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4933{ 5061{
4934 if (expect_false (ev_is_active (w))) 5062 if (ecb_expect_false (ev_is_active (w)))
4935 return; 5063 return;
4936 5064
4937 EV_FREQUENT_CHECK; 5065 EV_FREQUENT_CHECK;
4938 5066
4939 ev_start (EV_A_ (W)w, ++cleanupcnt); 5067 ev_start (EV_A_ (W)w, ++cleanupcnt);
… …
4947 5075
4948void 5076void
4949ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5077ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4950{ 5078{
4951 clear_pending (EV_A_ (W)w); 5079 clear_pending (EV_A_ (W)w);
4952 if (expect_false (!ev_is_active (w))) 5080 if (ecb_expect_false (!ev_is_active (w)))
4953 return; 5081 return;
4954 5082
4955 EV_FREQUENT_CHECK; 5083 EV_FREQUENT_CHECK;
4956 ev_ref (EV_A); 5084 ev_ref (EV_A);
4957 5085
… …
4970 5098
4971#if EV_ASYNC_ENABLE 5099#if EV_ASYNC_ENABLE
4972void 5100void
4973ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT 5101ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4974{ 5102{
4975 if (expect_false (ev_is_active (w))) 5103 if (ecb_expect_false (ev_is_active (w)))
4976 return; 5104 return;
4977 5105
4978 w->sent = 0; 5106 w->sent = 0;
4979 5107
4980 evpipe_init (EV_A); 5108 evpipe_init (EV_A);
… …
4990 5118
4991void 5119void
4992ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT 5120ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4993{ 5121{
4994 clear_pending (EV_A_ (W)w); 5122 clear_pending (EV_A_ (W)w);
4995 if (expect_false (!ev_is_active (w))) 5123 if (ecb_expect_false (!ev_is_active (w)))
4996 return; 5124 return;
4997 5125
4998 EV_FREQUENT_CHECK; 5126 EV_FREQUENT_CHECK;
4999 5127
5000 { 5128 {

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