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Comparing libev/ev.c (file contents):
Revision 1.491 by root, Thu Jun 20 23:14:53 2019 UTC vs.
Revision 1.501 by root, Mon Jul 1 21:47:42 2019 UTC

… …
325#ifndef EV_USE_PORT 325#ifndef EV_USE_PORT
326# define EV_USE_PORT 0 326# define EV_USE_PORT 0
327#endif 327#endif
328 328
329#ifndef EV_USE_LINUXAIO 329#ifndef EV_USE_LINUXAIO
330# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
331# define EV_USE_LINUXAIO 1
332# else
330# define EV_USE_LINUXAIO 0 333# define EV_USE_LINUXAIO 0
334# endif
335#endif
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
331#endif 343#endif
332 344
333#ifndef EV_USE_INOTIFY 345#ifndef EV_USE_INOTIFY
334# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 346# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
335# define EV_USE_INOTIFY EV_FEATURE_OS 347# define EV_USE_INOTIFY EV_FEATURE_OS
… …
392/* aix's poll.h seems to cause lots of trouble */ 404/* aix's poll.h seems to cause lots of trouble */
393#ifdef _AIX 405#ifdef _AIX
394/* AIX has a completely broken poll.h header */ 406/* AIX has a completely broken poll.h header */
395# undef EV_USE_POLL 407# undef EV_USE_POLL
396# define EV_USE_POLL 0 408# define EV_USE_POLL 0
397#endif
398
399#if EV_USE_LINUXAIO
400# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
401#endif 409#endif
402 410
403/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 411/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
404/* which makes programs even slower. might work on other unices, too. */ 412/* which makes programs even slower. might work on other unices, too. */
405#if EV_USE_CLOCK_SYSCALL 413#if EV_USE_CLOCK_SYSCALL
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 452# if !SYS_io_getevents || !EV_USE_EPOLL /* ev_linxaio uses ev_poll.c:ev_epoll_create */
444# undef EV_USE_LINUXAIO 453# undef EV_USE_LINUXAIO
445# define EV_USE_LINUXAIO 0 454# define EV_USE_LINUXAIO 0
455# else
456# define EV_NEED_SYSCALL 1
457# endif
458#endif
459
460#if EV_USE_IOURING
461# include <sys/syscall.h>
462# if !__alpha && !SYS_io_uring_setup
463# define SYS_io_uring_setup 425
464# define SYS_io_uring_enter 426
465# define SYS_io_uring_wregister 427
466# endif
467# if SYS_io_uring_setup
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/*****************************************************************************/
524
525#if EV_NEED_SYSCALL
526
527#include <sys/syscall.h>
528
529/*
530 * define some syscall wrappers for common architectures
531 * this is mostly for nice looks during debugging, not performance.
532 * our syscalls return < 0, not == -1, on error. which is good
533 * enough for linux aio.
534 * TODO: arm is also common nowadays, maybe even mips and x86
535 * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
536 */
537#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
538 /* the costly errno access probably kills this for size optimisation */
539
540 #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5) \
541 ({ \
542 long res; \
543 register unsigned long r5 __asm__ ("r8" ); \
544 register unsigned long r4 __asm__ ("r10"); \
545 register unsigned long r3 __asm__ ("rdx"); \
546 register unsigned long r2 __asm__ ("rsi"); \
547 register unsigned long r1 __asm__ ("rdi"); \
548 if (narg >= 5) r5 = (unsigned long)(arg5); \
549 if (narg >= 4) r4 = (unsigned long)(arg4); \
550 if (narg >= 3) r3 = (unsigned long)(arg3); \
551 if (narg >= 2) r2 = (unsigned long)(arg2); \
552 if (narg >= 1) r1 = (unsigned long)(arg1); \
553 __asm__ __volatile__ ( \
554 "syscall\n\t" \
555 : "=a" (res) \
556 : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
557 : "cc", "r11", "cx", "memory"); \
558 errno = -res; \
559 res; \
560 })
561
562#endif
563
564#ifdef ev_syscall
565 #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0
566 #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0)
567 #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0)
568 #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0)
569 #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0)
570 #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5)
571#else
572 #define ev_syscall0(nr) syscall (nr)
573 #define ev_syscall1(nr,arg1) syscall (nr, arg1)
574 #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
575 #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
576 #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
577 #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
578#endif
579
580#endif
581
582/*****************************************************************************/
498 583
499#if EV_VERIFY >= 3 584#if EV_VERIFY >= 3
500# define EV_FREQUENT_CHECK ev_verify (EV_A) 585# define EV_FREQUENT_CHECK ev_verify (EV_A)
501#else 586#else
502# define EV_FREQUENT_CHECK do { } while (0) 587# define EV_FREQUENT_CHECK do { } while (0)
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559 644
560#ifndef ECB_H 645#ifndef ECB_H
561#define ECB_H 646#define ECB_H
562 647
563/* 16 bits major, 16 bits minor */ 648/* 16 bits major, 16 bits minor */
564#define ECB_VERSION 0x00010005 649#define ECB_VERSION 0x00010006
565 650
566#ifdef _WIN32 651#ifdef _WIN32
567 typedef signed char int8_t; 652 typedef signed char int8_t;
568 typedef unsigned char uint8_t; 653 typedef unsigned char uint8_t;
569 typedef signed short int16_t; 654 typedef signed short int16_t;
… …
683 #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ 768 #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
684#endif 769#endif
685 770
686#ifndef ECB_MEMORY_FENCE 771#ifndef ECB_MEMORY_FENCE
687 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 772 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
773 #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
688 #if __i386 || __i386__ 774 #if __i386 || __i386__
689 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 775 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
690 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 776 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
691 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") 777 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
692 #elif ECB_GCC_AMD64 778 #elif ECB_GCC_AMD64
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742 #if ECB_GCC_VERSION(4,7) 828 #if ECB_GCC_VERSION(4,7)
743 /* see comment below (stdatomic.h) about the C11 memory model. */ 829 /* see comment below (stdatomic.h) about the C11 memory model. */
744 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) 830 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
745 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) 831 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
746 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) 832 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
833 #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
747 834
748 #elif ECB_CLANG_EXTENSION(c_atomic) 835 #elif ECB_CLANG_EXTENSION(c_atomic)
749 /* see comment below (stdatomic.h) about the C11 memory model. */ 836 /* see comment below (stdatomic.h) about the C11 memory model. */
750 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) 837 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
751 #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) 838 #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
752 #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) 839 #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
840 #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
753 841
754 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ 842 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
755 #define ECB_MEMORY_FENCE __sync_synchronize () 843 #define ECB_MEMORY_FENCE __sync_synchronize ()
756 #elif _MSC_VER >= 1500 /* VC++ 2008 */ 844 #elif _MSC_VER >= 1500 /* VC++ 2008 */
757 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ 845 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
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767 #elif defined _WIN32 855 #elif defined _WIN32
768 #include <WinNT.h> 856 #include <WinNT.h>
769 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 857 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
770 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 858 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
771 #include <mbarrier.h> 859 #include <mbarrier.h>
772 #define ECB_MEMORY_FENCE __machine_rw_barrier () 860 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
773 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 861 #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
774 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () 862 #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
863 #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
775 #elif __xlC__ 864 #elif __xlC__
776 #define ECB_MEMORY_FENCE __sync () 865 #define ECB_MEMORY_FENCE __sync ()
777 #endif 866 #endif
778#endif 867#endif
779 868
780#ifndef ECB_MEMORY_FENCE 869#ifndef ECB_MEMORY_FENCE
781 #if ECB_C11 && !defined __STDC_NO_ATOMICS__ 870 #if ECB_C11 && !defined __STDC_NO_ATOMICS__
782 /* we assume that these memory fences work on all variables/all memory accesses, */ 871 /* we assume that these memory fences work on all variables/all memory accesses, */
783 /* not just C11 atomics and atomic accesses */ 872 /* not just C11 atomics and atomic accesses */
784 #include <stdatomic.h> 873 #include <stdatomic.h>
785 /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
786 /* any fence other than seq_cst, which isn't very efficient for us. */
787 /* Why that is, we don't know - either the C11 memory model is quite useless */
788 /* for most usages, or gcc and clang have a bug */
789 /* I *currently* lean towards the latter, and inefficiently implement */
790 /* all three of ecb's fences as a seq_cst fence */
791 /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
792 /* for all __atomic_thread_fence's except seq_cst */
793 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) 874 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
875 #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
876 #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
794 #endif 877 #endif
795#endif 878#endif
796 879
797#ifndef ECB_MEMORY_FENCE 880#ifndef ECB_MEMORY_FENCE
798 #if !ECB_AVOID_PTHREADS 881 #if !ECB_AVOID_PTHREADS
… …
816 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 899 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
817#endif 900#endif
818 901
819#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE 902#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
820 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 903 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
904#endif
905
906#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
907 #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
821#endif 908#endif
822 909
823/*****************************************************************************/ 910/*****************************************************************************/
824 911
825#if ECB_CPP 912#if ECB_CPP
… …
1534/* ECB.H END */ 1621/* ECB.H END */
1535 1622
1536#if ECB_MEMORY_FENCE_NEEDS_PTHREADS 1623#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1537/* if your architecture doesn't need memory fences, e.g. because it is 1624/* if your architecture doesn't need memory fences, e.g. because it is
1538 * single-cpu/core, or if you use libev in a project that doesn't use libev 1625 * single-cpu/core, or if you use libev in a project that doesn't use libev
1539 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling 1626 * from multiple threads, then you can define ECB_NO_THREADS when compiling
1540 * libev, in which cases the memory fences become nops. 1627 * libev, in which cases the memory fences become nops.
1541 * alternatively, you can remove this #error and link against libpthread, 1628 * alternatively, you can remove this #error and link against libpthread,
1542 * which will then provide the memory fences. 1629 * which will then provide the memory fences.
1543 */ 1630 */
1544# error "memory fences not defined for your architecture, please report" 1631# error "memory fences not defined for your architecture, please report"
… …
1548# define ECB_MEMORY_FENCE do { } while (0) 1635# define ECB_MEMORY_FENCE do { } while (0)
1549# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 1636# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1550# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 1637# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1551#endif 1638#endif
1552 1639
1553#define expect_false(cond) ecb_expect_false (cond)
1554#define expect_true(cond) ecb_expect_true (cond)
1555#define noinline ecb_noinline
1556
1557#define inline_size ecb_inline 1640#define inline_size ecb_inline
1558 1641
1559#if EV_FEATURE_CODE 1642#if EV_FEATURE_CODE
1560# define inline_speed ecb_inline 1643# define inline_speed ecb_inline
1561#else 1644#else
1562# define inline_speed noinline static 1645# define inline_speed ecb_noinline static
1563#endif 1646#endif
1564 1647
1565#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 1648#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1566 1649
1567#if EV_MINPRI == EV_MAXPRI 1650#if EV_MINPRI == EV_MAXPRI
… …
1603# include "ev_win32.c" 1686# include "ev_win32.c"
1604#endif 1687#endif
1605 1688
1606/*****************************************************************************/ 1689/*****************************************************************************/
1607 1690
1691#if EV_USE_LINUXAIO
1692# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
1693#endif
1694
1608/* define a suitable floor function (only used by periodics atm) */ 1695/* define a suitable floor function (only used by periodics atm) */
1609 1696
1610#if EV_USE_FLOOR 1697#if EV_USE_FLOOR
1611# include <math.h> 1698# include <math.h>
1612# define ev_floor(v) floor (v) 1699# define ev_floor(v) floor (v)
1613#else 1700#else
1614 1701
1615#include <float.h> 1702#include <float.h>
1616 1703
1617/* a floor() replacement function, should be independent of ev_tstamp type */ 1704/* a floor() replacement function, should be independent of ev_tstamp type */
1618noinline 1705ecb_noinline
1619static ev_tstamp 1706static ev_tstamp
1620ev_floor (ev_tstamp v) 1707ev_floor (ev_tstamp v)
1621{ 1708{
1622 /* the choice of shift factor is not terribly important */ 1709 /* the choice of shift factor is not terribly important */
1623#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ 1710#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
… …
1625#else 1712#else
1626 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; 1713 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1627#endif 1714#endif
1628 1715
1629 /* argument too large for an unsigned long? */ 1716 /* argument too large for an unsigned long? */
1630 if (expect_false (v >= shift)) 1717 if (ecb_expect_false (v >= shift))
1631 { 1718 {
1632 ev_tstamp f; 1719 ev_tstamp f;
1633 1720
1634 if (v == v - 1.) 1721 if (v == v - 1.)
1635 return v; /* very large number */ 1722 return v; /* very large number */
… …
1637 f = shift * ev_floor (v * (1. / shift)); 1724 f = shift * ev_floor (v * (1. / shift));
1638 return f + ev_floor (v - f); 1725 return f + ev_floor (v - f);
1639 } 1726 }
1640 1727
1641 /* special treatment for negative args? */ 1728 /* special treatment for negative args? */
1642 if (expect_false (v < 0.)) 1729 if (ecb_expect_false (v < 0.))
1643 { 1730 {
1644 ev_tstamp f = -ev_floor (-v); 1731 ev_tstamp f = -ev_floor (-v);
1645 1732
1646 return f - (f == v ? 0 : 1); 1733 return f - (f == v ? 0 : 1);
1647 } 1734 }
… …
1656 1743
1657#ifdef __linux 1744#ifdef __linux
1658# include <sys/utsname.h> 1745# include <sys/utsname.h>
1659#endif 1746#endif
1660 1747
1661noinline ecb_cold 1748ecb_noinline ecb_cold
1662static unsigned int 1749static unsigned int
1663ev_linux_version (void) 1750ev_linux_version (void)
1664{ 1751{
1665#ifdef __linux 1752#ifdef __linux
1666 unsigned int v = 0; 1753 unsigned int v = 0;
… …
1696} 1783}
1697 1784
1698/*****************************************************************************/ 1785/*****************************************************************************/
1699 1786
1700#if EV_AVOID_STDIO 1787#if EV_AVOID_STDIO
1701noinline ecb_cold 1788ecb_noinline ecb_cold
1702static void 1789static void
1703ev_printerr (const char *msg) 1790ev_printerr (const char *msg)
1704{ 1791{
1705 write (STDERR_FILENO, msg, strlen (msg)); 1792 write (STDERR_FILENO, msg, strlen (msg));
1706} 1793}
… …
1713ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT 1800ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1714{ 1801{
1715 syserr_cb = cb; 1802 syserr_cb = cb;
1716} 1803}
1717 1804
1718noinline ecb_cold 1805ecb_noinline ecb_cold
1719static void 1806static void
1720ev_syserr (const char *msg) 1807ev_syserr (const char *msg)
1721{ 1808{
1722 if (!msg) 1809 if (!msg)
1723 msg = "(libev) system error"; 1810 msg = "(libev) system error";
… …
1869 static int ev_default_loop_ptr; 1956 static int ev_default_loop_ptr;
1870 1957
1871#endif 1958#endif
1872 1959
1873#if EV_FEATURE_API 1960#if EV_FEATURE_API
1874# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 1961# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1875# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 1962# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1876# define EV_INVOKE_PENDING invoke_cb (EV_A) 1963# define EV_INVOKE_PENDING invoke_cb (EV_A)
1877#else 1964#else
1878# define EV_RELEASE_CB (void)0 1965# define EV_RELEASE_CB (void)0
1879# define EV_ACQUIRE_CB (void)0 1966# define EV_ACQUIRE_CB (void)0
1880# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 1967# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
… …
1887#ifndef EV_HAVE_EV_TIME 1974#ifndef EV_HAVE_EV_TIME
1888ev_tstamp 1975ev_tstamp
1889ev_time (void) EV_NOEXCEPT 1976ev_time (void) EV_NOEXCEPT
1890{ 1977{
1891#if EV_USE_REALTIME 1978#if EV_USE_REALTIME
1892 if (expect_true (have_realtime)) 1979 if (ecb_expect_true (have_realtime))
1893 { 1980 {
1894 struct timespec ts; 1981 struct timespec ts;
1895 clock_gettime (CLOCK_REALTIME, &ts); 1982 clock_gettime (CLOCK_REALTIME, &ts);
1896 return ts.tv_sec + ts.tv_nsec * 1e-9; 1983 return ts.tv_sec + ts.tv_nsec * 1e-9;
1897 } 1984 }
… …
1905 1992
1906inline_size ev_tstamp 1993inline_size ev_tstamp
1907get_clock (void) 1994get_clock (void)
1908{ 1995{
1909#if EV_USE_MONOTONIC 1996#if EV_USE_MONOTONIC
1910 if (expect_true (have_monotonic)) 1997 if (ecb_expect_true (have_monotonic))
1911 { 1998 {
1912 struct timespec ts; 1999 struct timespec ts;
1913 clock_gettime (CLOCK_MONOTONIC, &ts); 2000 clock_gettime (CLOCK_MONOTONIC, &ts);
1914 return ts.tv_sec + ts.tv_nsec * 1e-9; 2001 return ts.tv_sec + ts.tv_nsec * 1e-9;
1915 } 2002 }
… …
1977 } 2064 }
1978 2065
1979 return ncur; 2066 return ncur;
1980} 2067}
1981 2068
1982noinline ecb_cold 2069ecb_noinline ecb_cold
1983static void * 2070static void *
1984array_realloc (int elem, void *base, int *cur, int cnt) 2071array_realloc (int elem, void *base, int *cur, int cnt)
1985{ 2072{
1986 *cur = array_nextsize (elem, *cur, cnt); 2073 *cur = array_nextsize (elem, *cur, cnt);
1987 return ev_realloc (base, elem * *cur); 2074 return ev_realloc (base, elem * *cur);
1988} 2075}
1989 2076
1990#define array_needsize_noinit(base,count) 2077#define array_needsize_noinit(base,offset,count)
1991 2078
1992#define array_needsize_zerofill(base,count) \ 2079#define array_needsize_zerofill(base,offset,count) \
1993 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 2080 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1994 2081
1995#define array_needsize(type,base,cur,cnt,init) \ 2082#define array_needsize(type,base,cur,cnt,init) \
1996 if (expect_false ((cnt) > (cur))) \ 2083 if (ecb_expect_false ((cnt) > (cur))) \
1997 { \ 2084 { \
1998 ecb_unused int ocur_ = (cur); \ 2085 ecb_unused int ocur_ = (cur); \
1999 (base) = (type *)array_realloc \ 2086 (base) = (type *)array_realloc \
2000 (sizeof (type), (base), &(cur), (cnt)); \ 2087 (sizeof (type), (base), &(cur), (cnt)); \
2001 init ((base) + (ocur_), (cur) - ocur_); \ 2088 init ((base), ocur_, ((cur) - ocur_)); \
2002 } 2089 }
2003 2090
2004#if 0 2091#if 0
2005#define array_slim(type,stem) \ 2092#define array_slim(type,stem) \
2006 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ 2093 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
… …
2015 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 2102 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
2016 2103
2017/*****************************************************************************/ 2104/*****************************************************************************/
2018 2105
2019/* dummy callback for pending events */ 2106/* dummy callback for pending events */
2020noinline 2107ecb_noinline
2021static void 2108static void
2022pendingcb (EV_P_ ev_prepare *w, int revents) 2109pendingcb (EV_P_ ev_prepare *w, int revents)
2023{ 2110{
2024} 2111}
2025 2112
2026noinline 2113ecb_noinline
2027void 2114void
2028ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT 2115ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
2029{ 2116{
2030 W w_ = (W)w; 2117 W w_ = (W)w;
2031 int pri = ABSPRI (w_); 2118 int pri = ABSPRI (w_);
2032 2119
2033 if (expect_false (w_->pending)) 2120 if (ecb_expect_false (w_->pending))
2034 pendings [pri][w_->pending - 1].events |= revents; 2121 pendings [pri][w_->pending - 1].events |= revents;
2035 else 2122 else
2036 { 2123 {
2037 w_->pending = ++pendingcnt [pri]; 2124 w_->pending = ++pendingcnt [pri];
2038 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); 2125 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
… …
2089inline_speed void 2176inline_speed void
2090fd_event (EV_P_ int fd, int revents) 2177fd_event (EV_P_ int fd, int revents)
2091{ 2178{
2092 ANFD *anfd = anfds + fd; 2179 ANFD *anfd = anfds + fd;
2093 2180
2094 if (expect_true (!anfd->reify)) 2181 if (ecb_expect_true (!anfd->reify))
2095 fd_event_nocheck (EV_A_ fd, revents); 2182 fd_event_nocheck (EV_A_ fd, revents);
2096} 2183}
2097 2184
2098void 2185void
2099ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT 2186ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
… …
2141 ev_io *w; 2228 ev_io *w;
2142 2229
2143 unsigned char o_events = anfd->events; 2230 unsigned char o_events = anfd->events;
2144 unsigned char o_reify = anfd->reify; 2231 unsigned char o_reify = anfd->reify;
2145 2232
2146 anfd->reify = 0; 2233 anfd->reify = 0;
2147 2234
2148 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 2235 /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
2149 { 2236 {
2150 anfd->events = 0; 2237 anfd->events = 0;
2151 2238
2152 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 2239 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
2153 anfd->events |= (unsigned char)w->events; 2240 anfd->events |= (unsigned char)w->events;
… …
2169fd_change (EV_P_ int fd, int flags) 2256fd_change (EV_P_ int fd, int flags)
2170{ 2257{
2171 unsigned char reify = anfds [fd].reify; 2258 unsigned char reify = anfds [fd].reify;
2172 anfds [fd].reify |= flags; 2259 anfds [fd].reify |= flags;
2173 2260
2174 if (expect_true (!reify)) 2261 if (ecb_expect_true (!reify))
2175 { 2262 {
2176 ++fdchangecnt; 2263 ++fdchangecnt;
2177 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); 2264 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2178 fdchanges [fdchangecnt - 1] = fd; 2265 fdchanges [fdchangecnt - 1] = fd;
2179 } 2266 }
… …
2202 return fcntl (fd, F_GETFD) != -1; 2289 return fcntl (fd, F_GETFD) != -1;
2203#endif 2290#endif
2204} 2291}
2205 2292
2206/* called on EBADF to verify fds */ 2293/* called on EBADF to verify fds */
2207noinline ecb_cold 2294ecb_noinline ecb_cold
2208static void 2295static void
2209fd_ebadf (EV_P) 2296fd_ebadf (EV_P)
2210{ 2297{
2211 int fd; 2298 int fd;
2212 2299
… …
2215 if (!fd_valid (fd) && errno == EBADF) 2302 if (!fd_valid (fd) && errno == EBADF)
2216 fd_kill (EV_A_ fd); 2303 fd_kill (EV_A_ fd);
2217} 2304}
2218 2305
2219/* called on ENOMEM in select/poll to kill some fds and retry */ 2306/* called on ENOMEM in select/poll to kill some fds and retry */
2220noinline ecb_cold 2307ecb_noinline ecb_cold
2221static void 2308static void
2222fd_enomem (EV_P) 2309fd_enomem (EV_P)
2223{ 2310{
2224 int fd; 2311 int fd;
2225 2312
… …
2230 break; 2317 break;
2231 } 2318 }
2232} 2319}
2233 2320
2234/* usually called after fork if backend needs to re-arm all fds from scratch */ 2321/* usually called after fork if backend needs to re-arm all fds from scratch */
2235noinline 2322ecb_noinline
2236static void 2323static void
2237fd_rearm_all (EV_P) 2324fd_rearm_all (EV_P)
2238{ 2325{
2239 int fd; 2326 int fd;
2240 2327
… …
2294 ev_tstamp minat; 2381 ev_tstamp minat;
2295 ANHE *minpos; 2382 ANHE *minpos;
2296 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; 2383 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2297 2384
2298 /* find minimum child */ 2385 /* find minimum child */
2299 if (expect_true (pos + DHEAP - 1 < E)) 2386 if (ecb_expect_true (pos + DHEAP - 1 < E))
2300 { 2387 {
2301 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); 2388 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2302 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); 2389 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2303 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); 2390 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2304 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); 2391 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
… …
2422 2509
2423/*****************************************************************************/ 2510/*****************************************************************************/
2424 2511
2425#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2512#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2426 2513
2427noinline ecb_cold 2514ecb_noinline ecb_cold
2428static void 2515static void
2429evpipe_init (EV_P) 2516evpipe_init (EV_P)
2430{ 2517{
2431 if (!ev_is_active (&pipe_w)) 2518 if (!ev_is_active (&pipe_w))
2432 { 2519 {
… …
2473inline_speed void 2560inline_speed void
2474evpipe_write (EV_P_ EV_ATOMIC_T *flag) 2561evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2475{ 2562{
2476 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ 2563 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2477 2564
2478 if (expect_true (*flag)) 2565 if (ecb_expect_true (*flag))
2479 return; 2566 return;
2480 2567
2481 *flag = 1; 2568 *flag = 1;
2482 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ 2569 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2483 2570
… …
2560 sig_pending = 0; 2647 sig_pending = 0;
2561 2648
2562 ECB_MEMORY_FENCE; 2649 ECB_MEMORY_FENCE;
2563 2650
2564 for (i = EV_NSIG - 1; i--; ) 2651 for (i = EV_NSIG - 1; i--; )
2565 if (expect_false (signals [i].pending)) 2652 if (ecb_expect_false (signals [i].pending))
2566 ev_feed_signal_event (EV_A_ i + 1); 2653 ev_feed_signal_event (EV_A_ i + 1);
2567 } 2654 }
2568#endif 2655#endif
2569 2656
2570#if EV_ASYNC_ENABLE 2657#if EV_ASYNC_ENABLE
… …
2611#endif 2698#endif
2612 2699
2613 ev_feed_signal (signum); 2700 ev_feed_signal (signum);
2614} 2701}
2615 2702
2616noinline 2703ecb_noinline
2617void 2704void
2618ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT 2705ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2619{ 2706{
2620 WL w; 2707 WL w;
2621 2708
2622 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2709 if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2623 return; 2710 return;
2624 2711
2625 --signum; 2712 --signum;
2626 2713
2627#if EV_MULTIPLICITY 2714#if EV_MULTIPLICITY
2628 /* it is permissible to try to feed a signal to the wrong loop */ 2715 /* it is permissible to try to feed a signal to the wrong loop */
2629 /* or, likely more useful, feeding a signal nobody is waiting for */ 2716 /* or, likely more useful, feeding a signal nobody is waiting for */
2630 2717
2631 if (expect_false (signals [signum].loop != EV_A)) 2718 if (ecb_expect_false (signals [signum].loop != EV_A))
2632 return; 2719 return;
2633#endif 2720#endif
2634 2721
2635 signals [signum].pending = 0; 2722 signals [signum].pending = 0;
2636 ECB_MEMORY_FENCE_RELEASE; 2723 ECB_MEMORY_FENCE_RELEASE;
… …
2729# include "ev_port.c" 2816# include "ev_port.c"
2730#endif 2817#endif
2731#if EV_USE_KQUEUE 2818#if EV_USE_KQUEUE
2732# include "ev_kqueue.c" 2819# include "ev_kqueue.c"
2733#endif 2820#endif
2821#if EV_USE_EPOLL
2822# include "ev_epoll.c"
2823#endif
2734#if EV_USE_LINUXAIO 2824#if EV_USE_LINUXAIO
2735# include "ev_linuxaio.c" 2825# include "ev_linuxaio.c"
2736#endif 2826#endif
2737#if EV_USE_EPOLL 2827#if EV_USE_IOURING
2738# include "ev_epoll.c" 2828# include "ev_iouring.c"
2739#endif 2829#endif
2740#if EV_USE_POLL 2830#if EV_USE_POLL
2741# include "ev_poll.c" 2831# include "ev_poll.c"
2742#endif 2832#endif
2743#if EV_USE_SELECT 2833#if EV_USE_SELECT
… …
2776 2866
2777 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2867 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2778 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; 2868 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2779 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2869 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2780 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; 2870 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2871 if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2781 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2872 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2782 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; 2873 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2783 2874
2784 return flags; 2875 return flags;
2785} 2876}
… …
2803#ifdef __FreeBSD__ 2894#ifdef __FreeBSD__
2804 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ 2895 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2805#endif 2896#endif
2806 2897
2807 /* TODO: linuxaio is very experimental */ 2898 /* TODO: linuxaio is very experimental */
2899#if !EV_RECOMMEND_LINUXAIO
2808 flags &= ~EVBACKEND_LINUXAIO; 2900 flags &= ~EVBACKEND_LINUXAIO;
2901#endif
2902 /* TODO: linuxaio is super experimental */
2903#if !EV_RECOMMEND_IOURING
2904 flags &= ~EVBACKEND_IOURING;
2905#endif
2809 2906
2810 return flags; 2907 return flags;
2811} 2908}
2812 2909
2813ecb_cold 2910ecb_cold
… …
2879 acquire_cb = acquire; 2976 acquire_cb = acquire;
2880} 2977}
2881#endif 2978#endif
2882 2979
2883/* initialise a loop structure, must be zero-initialised */ 2980/* initialise a loop structure, must be zero-initialised */
2884noinline ecb_cold 2981ecb_noinline ecb_cold
2885static void 2982static void
2886loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT 2983loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2887{ 2984{
2888 if (!backend) 2985 if (!backend)
2889 { 2986 {
… …
2957 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 3054 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2958#endif 3055#endif
2959#if EV_USE_KQUEUE 3056#if EV_USE_KQUEUE
2960 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); 3057 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2961#endif 3058#endif
3059#if EV_USE_IOURING
3060 if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
3061#endif
2962#if EV_USE_LINUXAIO 3062#if EV_USE_LINUXAIO
2963 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); 3063 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2964#endif 3064#endif
2965#if EV_USE_EPOLL 3065#if EV_USE_EPOLL
2966 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 3066 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
… …
2994 return; 3094 return;
2995#endif 3095#endif
2996 3096
2997#if EV_CLEANUP_ENABLE 3097#if EV_CLEANUP_ENABLE
2998 /* queue cleanup watchers (and execute them) */ 3098 /* queue cleanup watchers (and execute them) */
2999 if (expect_false (cleanupcnt)) 3099 if (ecb_expect_false (cleanupcnt))
3000 { 3100 {
3001 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); 3101 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
3002 EV_INVOKE_PENDING; 3102 EV_INVOKE_PENDING;
3003 } 3103 }
3004#endif 3104#endif
… …
3039#if EV_USE_PORT 3139#if EV_USE_PORT
3040 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3140 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3041#endif 3141#endif
3042#if EV_USE_KQUEUE 3142#if EV_USE_KQUEUE
3043 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); 3143 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3144#endif
3145#if EV_USE_IOURING
3146 if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
3044#endif 3147#endif
3045#if EV_USE_LINUXAIO 3148#if EV_USE_LINUXAIO
3046 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); 3149 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3047#endif 3150#endif
3048#if EV_USE_EPOLL 3151#if EV_USE_EPOLL
… …
3107 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3210 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3108#endif 3211#endif
3109#if EV_USE_KQUEUE 3212#if EV_USE_KQUEUE
3110 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); 3213 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3111#endif 3214#endif
3215#if EV_USE_IOURING
3216 if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
3217#endif
3112#if EV_USE_LINUXAIO 3218#if EV_USE_LINUXAIO
3113 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); 3219 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3114#endif 3220#endif
3115#if EV_USE_EPOLL 3221#if EV_USE_EPOLL
3116 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3222 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
… …
3158} 3264}
3159 3265
3160#endif /* multiplicity */ 3266#endif /* multiplicity */
3161 3267
3162#if EV_VERIFY 3268#if EV_VERIFY
3163noinline ecb_cold 3269ecb_noinline ecb_cold
3164static void 3270static void
3165verify_watcher (EV_P_ W w) 3271verify_watcher (EV_P_ W w)
3166{ 3272{
3167 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 3273 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
3168 3274
3169 if (w->pending) 3275 if (w->pending)
3170 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 3276 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
3171} 3277}
3172 3278
3173noinline ecb_cold 3279ecb_noinline ecb_cold
3174static void 3280static void
3175verify_heap (EV_P_ ANHE *heap, int N) 3281verify_heap (EV_P_ ANHE *heap, int N)
3176{ 3282{
3177 int i; 3283 int i;
3178 3284
… …
3184 3290
3185 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 3291 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
3186 } 3292 }
3187} 3293}
3188 3294
3189noinline ecb_cold 3295ecb_noinline ecb_cold
3190static void 3296static void
3191array_verify (EV_P_ W *ws, int cnt) 3297array_verify (EV_P_ W *ws, int cnt)
3192{ 3298{
3193 while (cnt--) 3299 while (cnt--)
3194 { 3300 {
… …
3343 count += pendingcnt [pri]; 3449 count += pendingcnt [pri];
3344 3450
3345 return count; 3451 return count;
3346} 3452}
3347 3453
3348noinline 3454ecb_noinline
3349void 3455void
3350ev_invoke_pending (EV_P) 3456ev_invoke_pending (EV_P)
3351{ 3457{
3352 pendingpri = NUMPRI; 3458 pendingpri = NUMPRI;
3353 3459
… …
3372/* make idle watchers pending. this handles the "call-idle */ 3478/* make idle watchers pending. this handles the "call-idle */
3373/* only when higher priorities are idle" logic */ 3479/* only when higher priorities are idle" logic */
3374inline_size void 3480inline_size void
3375idle_reify (EV_P) 3481idle_reify (EV_P)
3376{ 3482{
3377 if (expect_false (idleall)) 3483 if (ecb_expect_false (idleall))
3378 { 3484 {
3379 int pri; 3485 int pri;
3380 3486
3381 for (pri = NUMPRI; pri--; ) 3487 for (pri = NUMPRI; pri--; )
3382 { 3488 {
… …
3431 } 3537 }
3432} 3538}
3433 3539
3434#if EV_PERIODIC_ENABLE 3540#if EV_PERIODIC_ENABLE
3435 3541
3436noinline 3542ecb_noinline
3437static void 3543static void
3438periodic_recalc (EV_P_ ev_periodic *w) 3544periodic_recalc (EV_P_ ev_periodic *w)
3439{ 3545{
3440 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; 3546 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3441 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); 3547 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
… …
3444 while (at <= ev_rt_now) 3550 while (at <= ev_rt_now)
3445 { 3551 {
3446 ev_tstamp nat = at + w->interval; 3552 ev_tstamp nat = at + w->interval;
3447 3553
3448 /* when resolution fails us, we use ev_rt_now */ 3554 /* when resolution fails us, we use ev_rt_now */
3449 if (expect_false (nat == at)) 3555 if (ecb_expect_false (nat == at))
3450 { 3556 {
3451 at = ev_rt_now; 3557 at = ev_rt_now;
3452 break; 3558 break;
3453 } 3559 }
3454 3560
… …
3500 } 3606 }
3501} 3607}
3502 3608
3503/* simply recalculate all periodics */ 3609/* simply recalculate all periodics */
3504/* TODO: maybe ensure that at least one event happens when jumping forward? */ 3610/* TODO: maybe ensure that at least one event happens when jumping forward? */
3505noinline ecb_cold 3611ecb_noinline ecb_cold
3506static void 3612static void
3507periodics_reschedule (EV_P) 3613periodics_reschedule (EV_P)
3508{ 3614{
3509 int i; 3615 int i;
3510 3616
… …
3524 reheap (periodics, periodiccnt); 3630 reheap (periodics, periodiccnt);
3525} 3631}
3526#endif 3632#endif
3527 3633
3528/* adjust all timers by a given offset */ 3634/* adjust all timers by a given offset */
3529noinline ecb_cold 3635ecb_noinline ecb_cold
3530static void 3636static void
3531timers_reschedule (EV_P_ ev_tstamp adjust) 3637timers_reschedule (EV_P_ ev_tstamp adjust)
3532{ 3638{
3533 int i; 3639 int i;
3534 3640
… …
3544/* also detect if there was a timejump, and act accordingly */ 3650/* also detect if there was a timejump, and act accordingly */
3545inline_speed void 3651inline_speed void
3546time_update (EV_P_ ev_tstamp max_block) 3652time_update (EV_P_ ev_tstamp max_block)
3547{ 3653{
3548#if EV_USE_MONOTONIC 3654#if EV_USE_MONOTONIC
3549 if (expect_true (have_monotonic)) 3655 if (ecb_expect_true (have_monotonic))
3550 { 3656 {
3551 int i; 3657 int i;
3552 ev_tstamp odiff = rtmn_diff; 3658 ev_tstamp odiff = rtmn_diff;
3553 3659
3554 mn_now = get_clock (); 3660 mn_now = get_clock ();
3555 3661
3556 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ 3662 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3557 /* interpolate in the meantime */ 3663 /* interpolate in the meantime */
3558 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 3664 if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3559 { 3665 {
3560 ev_rt_now = rtmn_diff + mn_now; 3666 ev_rt_now = rtmn_diff + mn_now;
3561 return; 3667 return;
3562 } 3668 }
3563 3669
… …
3577 ev_tstamp diff; 3683 ev_tstamp diff;
3578 rtmn_diff = ev_rt_now - mn_now; 3684 rtmn_diff = ev_rt_now - mn_now;
3579 3685
3580 diff = odiff - rtmn_diff; 3686 diff = odiff - rtmn_diff;
3581 3687
3582 if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) 3688 if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3583 return; /* all is well */ 3689 return; /* all is well */
3584 3690
3585 ev_rt_now = ev_time (); 3691 ev_rt_now = ev_time ();
3586 mn_now = get_clock (); 3692 mn_now = get_clock ();
3587 now_floor = mn_now; 3693 now_floor = mn_now;
… …
3596 else 3702 else
3597#endif 3703#endif
3598 { 3704 {
3599 ev_rt_now = ev_time (); 3705 ev_rt_now = ev_time ();
3600 3706
3601 if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) 3707 if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3602 { 3708 {
3603 /* adjust timers. this is easy, as the offset is the same for all of them */ 3709 /* adjust timers. this is easy, as the offset is the same for all of them */
3604 timers_reschedule (EV_A_ ev_rt_now - mn_now); 3710 timers_reschedule (EV_A_ ev_rt_now - mn_now);
3605#if EV_PERIODIC_ENABLE 3711#if EV_PERIODIC_ENABLE
3606 periodics_reschedule (EV_A); 3712 periodics_reschedule (EV_A);
… …
3629#if EV_VERIFY >= 2 3735#if EV_VERIFY >= 2
3630 ev_verify (EV_A); 3736 ev_verify (EV_A);
3631#endif 3737#endif
3632 3738
3633#ifndef _WIN32 3739#ifndef _WIN32
3634 if (expect_false (curpid)) /* penalise the forking check even more */ 3740 if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3635 if (expect_false (getpid () != curpid)) 3741 if (ecb_expect_false (getpid () != curpid))
3636 { 3742 {
3637 curpid = getpid (); 3743 curpid = getpid ();
3638 postfork = 1; 3744 postfork = 1;
3639 } 3745 }
3640#endif 3746#endif
3641 3747
3642#if EV_FORK_ENABLE 3748#if EV_FORK_ENABLE
3643 /* we might have forked, so queue fork handlers */ 3749 /* we might have forked, so queue fork handlers */
3644 if (expect_false (postfork)) 3750 if (ecb_expect_false (postfork))
3645 if (forkcnt) 3751 if (forkcnt)
3646 { 3752 {
3647 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 3753 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3648 EV_INVOKE_PENDING; 3754 EV_INVOKE_PENDING;
3649 } 3755 }
3650#endif 3756#endif
3651 3757
3652#if EV_PREPARE_ENABLE 3758#if EV_PREPARE_ENABLE
3653 /* queue prepare watchers (and execute them) */ 3759 /* queue prepare watchers (and execute them) */
3654 if (expect_false (preparecnt)) 3760 if (ecb_expect_false (preparecnt))
3655 { 3761 {
3656 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 3762 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3657 EV_INVOKE_PENDING; 3763 EV_INVOKE_PENDING;
3658 } 3764 }
3659#endif 3765#endif
3660 3766
3661 if (expect_false (loop_done)) 3767 if (ecb_expect_false (loop_done))
3662 break; 3768 break;
3663 3769
3664 /* we might have forked, so reify kernel state if necessary */ 3770 /* we might have forked, so reify kernel state if necessary */
3665 if (expect_false (postfork)) 3771 if (ecb_expect_false (postfork))
3666 loop_fork (EV_A); 3772 loop_fork (EV_A);
3667 3773
3668 /* update fd-related kernel structures */ 3774 /* update fd-related kernel structures */
3669 fd_reify (EV_A); 3775 fd_reify (EV_A);
3670 3776
… …
3682 /* from now on, we want a pipe-wake-up */ 3788 /* from now on, we want a pipe-wake-up */
3683 pipe_write_wanted = 1; 3789 pipe_write_wanted = 1;
3684 3790
3685 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ 3791 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3686 3792
3687 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 3793 if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3688 { 3794 {
3689 waittime = MAX_BLOCKTIME; 3795 waittime = MAX_BLOCKTIME;
3690 3796
3691 if (timercnt) 3797 if (timercnt)
3692 { 3798 {
… …
3701 if (waittime > to) waittime = to; 3807 if (waittime > to) waittime = to;
3702 } 3808 }
3703#endif 3809#endif
3704 3810
3705 /* don't let timeouts decrease the waittime below timeout_blocktime */ 3811 /* don't let timeouts decrease the waittime below timeout_blocktime */
3706 if (expect_false (waittime < timeout_blocktime)) 3812 if (ecb_expect_false (waittime < timeout_blocktime))
3707 waittime = timeout_blocktime; 3813 waittime = timeout_blocktime;
3708 3814
3709 /* at this point, we NEED to wait, so we have to ensure */ 3815 /* at this point, we NEED to wait, so we have to ensure */
3710 /* to pass a minimum nonzero value to the backend */ 3816 /* to pass a minimum nonzero value to the backend */
3711 if (expect_false (waittime < backend_mintime)) 3817 if (ecb_expect_false (waittime < backend_mintime))
3712 waittime = backend_mintime; 3818 waittime = backend_mintime;
3713 3819
3714 /* extra check because io_blocktime is commonly 0 */ 3820 /* extra check because io_blocktime is commonly 0 */
3715 if (expect_false (io_blocktime)) 3821 if (ecb_expect_false (io_blocktime))
3716 { 3822 {
3717 sleeptime = io_blocktime - (mn_now - prev_mn_now); 3823 sleeptime = io_blocktime - (mn_now - prev_mn_now);
3718 3824
3719 if (sleeptime > waittime - backend_mintime) 3825 if (sleeptime > waittime - backend_mintime)
3720 sleeptime = waittime - backend_mintime; 3826 sleeptime = waittime - backend_mintime;
3721 3827
3722 if (expect_true (sleeptime > 0.)) 3828 if (ecb_expect_true (sleeptime > 0.))
3723 { 3829 {
3724 ev_sleep (sleeptime); 3830 ev_sleep (sleeptime);
3725 waittime -= sleeptime; 3831 waittime -= sleeptime;
3726 } 3832 }
3727 } 3833 }
… …
3741 { 3847 {
3742 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3848 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3743 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3849 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3744 } 3850 }
3745 3851
3746
3747 /* update ev_rt_now, do magic */ 3852 /* update ev_rt_now, do magic */
3748 time_update (EV_A_ waittime + sleeptime); 3853 time_update (EV_A_ waittime + sleeptime);
3749 } 3854 }
3750 3855
3751 /* queue pending timers and reschedule them */ 3856 /* queue pending timers and reschedule them */
… …
3759 idle_reify (EV_A); 3864 idle_reify (EV_A);
3760#endif 3865#endif
3761 3866
3762#if EV_CHECK_ENABLE 3867#if EV_CHECK_ENABLE
3763 /* queue check watchers, to be executed first */ 3868 /* queue check watchers, to be executed first */
3764 if (expect_false (checkcnt)) 3869 if (ecb_expect_false (checkcnt))
3765 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 3870 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3766#endif 3871#endif
3767 3872
3768 EV_INVOKE_PENDING; 3873 EV_INVOKE_PENDING;
3769 } 3874 }
3770 while (expect_true ( 3875 while (ecb_expect_true (
3771 activecnt 3876 activecnt
3772 && !loop_done 3877 && !loop_done
3773 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) 3878 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3774 )); 3879 ));
3775 3880
… …
3839inline_size void 3944inline_size void
3840wlist_del (WL *head, WL elem) 3945wlist_del (WL *head, WL elem)
3841{ 3946{
3842 while (*head) 3947 while (*head)
3843 { 3948 {
3844 if (expect_true (*head == elem)) 3949 if (ecb_expect_true (*head == elem))
3845 { 3950 {
3846 *head = elem->next; 3951 *head = elem->next;
3847 break; 3952 break;
3848 } 3953 }
3849 3954
… …
3866ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT 3971ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3867{ 3972{
3868 W w_ = (W)w; 3973 W w_ = (W)w;
3869 int pending = w_->pending; 3974 int pending = w_->pending;
3870 3975
3871 if (expect_true (pending)) 3976 if (ecb_expect_true (pending))
3872 { 3977 {
3873 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; 3978 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3874 p->w = (W)&pending_w; 3979 p->w = (W)&pending_w;
3875 w_->pending = 0; 3980 w_->pending = 0;
3876 return p->events; 3981 return p->events;
… …
3903 w->active = 0; 4008 w->active = 0;
3904} 4009}
3905 4010
3906/*****************************************************************************/ 4011/*****************************************************************************/
3907 4012
3908noinline 4013ecb_noinline
3909void 4014void
3910ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT 4015ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3911{ 4016{
3912 int fd = w->fd; 4017 int fd = w->fd;
3913 4018
3914 if (expect_false (ev_is_active (w))) 4019 if (ecb_expect_false (ev_is_active (w)))
3915 return; 4020 return;
3916 4021
3917 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 4022 assert (("libev: ev_io_start called with negative fd", fd >= 0));
3918 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 4023 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3919 4024
4025#if EV_VERIFY >= 2
4026 assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
4027#endif
3920 EV_FREQUENT_CHECK; 4028 EV_FREQUENT_CHECK;
3921 4029
3922 ev_start (EV_A_ (W)w, 1); 4030 ev_start (EV_A_ (W)w, 1);
3923 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); 4031 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3924 wlist_add (&anfds[fd].head, (WL)w); 4032 wlist_add (&anfds[fd].head, (WL)w);
… …
3930 w->events &= ~EV__IOFDSET; 4038 w->events &= ~EV__IOFDSET;
3931 4039
3932 EV_FREQUENT_CHECK; 4040 EV_FREQUENT_CHECK;
3933} 4041}
3934 4042
3935noinline 4043ecb_noinline
3936void 4044void
3937ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT 4045ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3938{ 4046{
3939 clear_pending (EV_A_ (W)w); 4047 clear_pending (EV_A_ (W)w);
3940 if (expect_false (!ev_is_active (w))) 4048 if (ecb_expect_false (!ev_is_active (w)))
3941 return; 4049 return;
3942 4050
3943 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 4051 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3944 4052
4053#if EV_VERIFY >= 2
4054 assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
4055#endif
3945 EV_FREQUENT_CHECK; 4056 EV_FREQUENT_CHECK;
3946 4057
3947 wlist_del (&anfds[w->fd].head, (WL)w); 4058 wlist_del (&anfds[w->fd].head, (WL)w);
3948 ev_stop (EV_A_ (W)w); 4059 ev_stop (EV_A_ (W)w);
3949 4060
3950 fd_change (EV_A_ w->fd, EV_ANFD_REIFY); 4061 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3951 4062
3952 EV_FREQUENT_CHECK; 4063 EV_FREQUENT_CHECK;
3953} 4064}
3954 4065
3955noinline 4066ecb_noinline
3956void 4067void
3957ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT 4068ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3958{ 4069{
3959 if (expect_false (ev_is_active (w))) 4070 if (ecb_expect_false (ev_is_active (w)))
3960 return; 4071 return;
3961 4072
3962 ev_at (w) += mn_now; 4073 ev_at (w) += mn_now;
3963 4074
3964 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 4075 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
… …
3975 EV_FREQUENT_CHECK; 4086 EV_FREQUENT_CHECK;
3976 4087
3977 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 4088 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3978} 4089}
3979 4090
3980noinline 4091ecb_noinline
3981void 4092void
3982ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT 4093ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3983{ 4094{
3984 clear_pending (EV_A_ (W)w); 4095 clear_pending (EV_A_ (W)w);
3985 if (expect_false (!ev_is_active (w))) 4096 if (ecb_expect_false (!ev_is_active (w)))
3986 return; 4097 return;
3987 4098
3988 EV_FREQUENT_CHECK; 4099 EV_FREQUENT_CHECK;
3989 4100
3990 { 4101 {
… …
3992 4103
3993 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); 4104 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3994 4105
3995 --timercnt; 4106 --timercnt;
3996 4107
3997 if (expect_true (active < timercnt + HEAP0)) 4108 if (ecb_expect_true (active < timercnt + HEAP0))
3998 { 4109 {
3999 timers [active] = timers [timercnt + HEAP0]; 4110 timers [active] = timers [timercnt + HEAP0];
4000 adjustheap (timers, timercnt, active); 4111 adjustheap (timers, timercnt, active);
4001 } 4112 }
4002 } 4113 }
… …
4006 ev_stop (EV_A_ (W)w); 4117 ev_stop (EV_A_ (W)w);
4007 4118
4008 EV_FREQUENT_CHECK; 4119 EV_FREQUENT_CHECK;
4009} 4120}
4010 4121
4011noinline 4122ecb_noinline
4012void 4123void
4013ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT 4124ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
4014{ 4125{
4015 EV_FREQUENT_CHECK; 4126 EV_FREQUENT_CHECK;
4016 4127
… …
4041{ 4152{
4042 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4153 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
4043} 4154}
4044 4155
4045#if EV_PERIODIC_ENABLE 4156#if EV_PERIODIC_ENABLE
4046noinline 4157ecb_noinline
4047void 4158void
4048ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT 4159ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4049{ 4160{
4050 if (expect_false (ev_is_active (w))) 4161 if (ecb_expect_false (ev_is_active (w)))
4051 return; 4162 return;
4052 4163
4053 if (w->reschedule_cb) 4164 if (w->reschedule_cb)
4054 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 4165 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
4055 else if (w->interval) 4166 else if (w->interval)
… …
4072 EV_FREQUENT_CHECK; 4183 EV_FREQUENT_CHECK;
4073 4184
4074 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4185 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4075} 4186}
4076 4187
4077noinline 4188ecb_noinline
4078void 4189void
4079ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT 4190ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4080{ 4191{
4081 clear_pending (EV_A_ (W)w); 4192 clear_pending (EV_A_ (W)w);
4082 if (expect_false (!ev_is_active (w))) 4193 if (ecb_expect_false (!ev_is_active (w)))
4083 return; 4194 return;
4084 4195
4085 EV_FREQUENT_CHECK; 4196 EV_FREQUENT_CHECK;
4086 4197
4087 { 4198 {
… …
4089 4200
4090 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); 4201 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
4091 4202
4092 --periodiccnt; 4203 --periodiccnt;
4093 4204
4094 if (expect_true (active < periodiccnt + HEAP0)) 4205 if (ecb_expect_true (active < periodiccnt + HEAP0))
4095 { 4206 {
4096 periodics [active] = periodics [periodiccnt + HEAP0]; 4207 periodics [active] = periodics [periodiccnt + HEAP0];
4097 adjustheap (periodics, periodiccnt, active); 4208 adjustheap (periodics, periodiccnt, active);
4098 } 4209 }
4099 } 4210 }
… …
4101 ev_stop (EV_A_ (W)w); 4212 ev_stop (EV_A_ (W)w);
4102 4213
4103 EV_FREQUENT_CHECK; 4214 EV_FREQUENT_CHECK;
4104} 4215}
4105 4216
4106noinline 4217ecb_noinline
4107void 4218void
4108ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT 4219ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4109{ 4220{
4110 /* TODO: use adjustheap and recalculation */ 4221 /* TODO: use adjustheap and recalculation */
4111 ev_periodic_stop (EV_A_ w); 4222 ev_periodic_stop (EV_A_ w);
… …
4117# define SA_RESTART 0 4228# define SA_RESTART 0
4118#endif 4229#endif
4119 4230
4120#if EV_SIGNAL_ENABLE 4231#if EV_SIGNAL_ENABLE
4121 4232
4122noinline 4233ecb_noinline
4123void 4234void
4124ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT 4235ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4125{ 4236{
4126 if (expect_false (ev_is_active (w))) 4237 if (ecb_expect_false (ev_is_active (w)))
4127 return; 4238 return;
4128 4239
4129 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4240 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
4130 4241
4131#if EV_MULTIPLICITY 4242#if EV_MULTIPLICITY
… …
4200 } 4311 }
4201 4312
4202 EV_FREQUENT_CHECK; 4313 EV_FREQUENT_CHECK;
4203} 4314}
4204 4315
4205noinline 4316ecb_noinline
4206void 4317void
4207ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT 4318ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4208{ 4319{
4209 clear_pending (EV_A_ (W)w); 4320 clear_pending (EV_A_ (W)w);
4210 if (expect_false (!ev_is_active (w))) 4321 if (ecb_expect_false (!ev_is_active (w)))
4211 return; 4322 return;
4212 4323
4213 EV_FREQUENT_CHECK; 4324 EV_FREQUENT_CHECK;
4214 4325
4215 wlist_del (&signals [w->signum - 1].head, (WL)w); 4326 wlist_del (&signals [w->signum - 1].head, (WL)w);
… …
4248ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT 4359ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4249{ 4360{
4250#if EV_MULTIPLICITY 4361#if EV_MULTIPLICITY
4251 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4362 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4252#endif 4363#endif
4253 if (expect_false (ev_is_active (w))) 4364 if (ecb_expect_false (ev_is_active (w)))
4254 return; 4365 return;
4255 4366
4256 EV_FREQUENT_CHECK; 4367 EV_FREQUENT_CHECK;
4257 4368
4258 ev_start (EV_A_ (W)w, 1); 4369 ev_start (EV_A_ (W)w, 1);
… …
4263 4374
4264void 4375void
4265ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT 4376ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4266{ 4377{
4267 clear_pending (EV_A_ (W)w); 4378 clear_pending (EV_A_ (W)w);
4268 if (expect_false (!ev_is_active (w))) 4379 if (ecb_expect_false (!ev_is_active (w)))
4269 return; 4380 return;
4270 4381
4271 EV_FREQUENT_CHECK; 4382 EV_FREQUENT_CHECK;
4272 4383
4273 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); 4384 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
… …
4287 4398
4288#define DEF_STAT_INTERVAL 5.0074891 4399#define DEF_STAT_INTERVAL 5.0074891
4289#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ 4400#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4290#define MIN_STAT_INTERVAL 0.1074891 4401#define MIN_STAT_INTERVAL 0.1074891
4291 4402
4292noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); 4403ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4293 4404
4294#if EV_USE_INOTIFY 4405#if EV_USE_INOTIFY
4295 4406
4296/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ 4407/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
4297# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 4408# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4298 4409
4299noinline 4410ecb_noinline
4300static void 4411static void
4301infy_add (EV_P_ ev_stat *w) 4412infy_add (EV_P_ ev_stat *w)
4302{ 4413{
4303 w->wd = inotify_add_watch (fs_fd, w->path, 4414 w->wd = inotify_add_watch (fs_fd, w->path,
4304 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY 4415 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
… …
4369 if (ev_is_active (&w->timer)) ev_ref (EV_A); 4480 if (ev_is_active (&w->timer)) ev_ref (EV_A);
4370 ev_timer_again (EV_A_ &w->timer); 4481 ev_timer_again (EV_A_ &w->timer);
4371 if (ev_is_active (&w->timer)) ev_unref (EV_A); 4482 if (ev_is_active (&w->timer)) ev_unref (EV_A);
4372} 4483}
4373 4484
4374noinline 4485ecb_noinline
4375static void 4486static void
4376infy_del (EV_P_ ev_stat *w) 4487infy_del (EV_P_ ev_stat *w)
4377{ 4488{
4378 int slot; 4489 int slot;
4379 int wd = w->wd; 4490 int wd = w->wd;
… …
4387 4498
4388 /* remove this watcher, if others are watching it, they will rearm */ 4499 /* remove this watcher, if others are watching it, they will rearm */
4389 inotify_rm_watch (fs_fd, wd); 4500 inotify_rm_watch (fs_fd, wd);
4390} 4501}
4391 4502
4392noinline 4503ecb_noinline
4393static void 4504static void
4394infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 4505infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4395{ 4506{
4396 if (slot < 0) 4507 if (slot < 0)
4397 /* overflow, need to check for all hash slots */ 4508 /* overflow, need to check for all hash slots */
… …
4543 w->attr.st_nlink = 0; 4654 w->attr.st_nlink = 0;
4544 else if (!w->attr.st_nlink) 4655 else if (!w->attr.st_nlink)
4545 w->attr.st_nlink = 1; 4656 w->attr.st_nlink = 1;
4546} 4657}
4547 4658
4548noinline 4659ecb_noinline
4549static void 4660static void
4550stat_timer_cb (EV_P_ ev_timer *w_, int revents) 4661stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4551{ 4662{
4552 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 4663 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4553 4664
… …
4587} 4698}
4588 4699
4589void 4700void
4590ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT 4701ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4591{ 4702{
4592 if (expect_false (ev_is_active (w))) 4703 if (ecb_expect_false (ev_is_active (w)))
4593 return; 4704 return;
4594 4705
4595 ev_stat_stat (EV_A_ w); 4706 ev_stat_stat (EV_A_ w);
4596 4707
4597 if (w->interval < MIN_STAT_INTERVAL && w->interval) 4708 if (w->interval < MIN_STAT_INTERVAL && w->interval)
… …
4619 4730
4620void 4731void
4621ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT 4732ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4622{ 4733{
4623 clear_pending (EV_A_ (W)w); 4734 clear_pending (EV_A_ (W)w);
4624 if (expect_false (!ev_is_active (w))) 4735 if (ecb_expect_false (!ev_is_active (w)))
4625 return; 4736 return;
4626 4737
4627 EV_FREQUENT_CHECK; 4738 EV_FREQUENT_CHECK;
4628 4739
4629#if EV_USE_INOTIFY 4740#if EV_USE_INOTIFY
… …
4644 4755
4645#if EV_IDLE_ENABLE 4756#if EV_IDLE_ENABLE
4646void 4757void
4647ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT 4758ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4648{ 4759{
4649 if (expect_false (ev_is_active (w))) 4760 if (ecb_expect_false (ev_is_active (w)))
4650 return; 4761 return;
4651 4762
4652 pri_adjust (EV_A_ (W)w); 4763 pri_adjust (EV_A_ (W)w);
4653 4764
4654 EV_FREQUENT_CHECK; 4765 EV_FREQUENT_CHECK;
… …
4668 4779
4669void 4780void
4670ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT 4781ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4671{ 4782{
4672 clear_pending (EV_A_ (W)w); 4783 clear_pending (EV_A_ (W)w);
4673 if (expect_false (!ev_is_active (w))) 4784 if (ecb_expect_false (!ev_is_active (w)))
4674 return; 4785 return;
4675 4786
4676 EV_FREQUENT_CHECK; 4787 EV_FREQUENT_CHECK;
4677 4788
4678 { 4789 {
… …
4691 4802
4692#if EV_PREPARE_ENABLE 4803#if EV_PREPARE_ENABLE
4693void 4804void
4694ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT 4805ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4695{ 4806{
4696 if (expect_false (ev_is_active (w))) 4807 if (ecb_expect_false (ev_is_active (w)))
4697 return; 4808 return;
4698 4809
4699 EV_FREQUENT_CHECK; 4810 EV_FREQUENT_CHECK;
4700 4811
4701 ev_start (EV_A_ (W)w, ++preparecnt); 4812 ev_start (EV_A_ (W)w, ++preparecnt);
… …
4707 4818
4708void 4819void
4709ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT 4820ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4710{ 4821{
4711 clear_pending (EV_A_ (W)w); 4822 clear_pending (EV_A_ (W)w);
4712 if (expect_false (!ev_is_active (w))) 4823 if (ecb_expect_false (!ev_is_active (w)))
4713 return; 4824 return;
4714 4825
4715 EV_FREQUENT_CHECK; 4826 EV_FREQUENT_CHECK;
4716 4827
4717 { 4828 {
… …
4729 4840
4730#if EV_CHECK_ENABLE 4841#if EV_CHECK_ENABLE
4731void 4842void
4732ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT 4843ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4733{ 4844{
4734 if (expect_false (ev_is_active (w))) 4845 if (ecb_expect_false (ev_is_active (w)))
4735 return; 4846 return;
4736 4847
4737 EV_FREQUENT_CHECK; 4848 EV_FREQUENT_CHECK;
4738 4849
4739 ev_start (EV_A_ (W)w, ++checkcnt); 4850 ev_start (EV_A_ (W)w, ++checkcnt);
… …
4745 4856
4746void 4857void
4747ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT 4858ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4748{ 4859{
4749 clear_pending (EV_A_ (W)w); 4860 clear_pending (EV_A_ (W)w);
4750 if (expect_false (!ev_is_active (w))) 4861 if (ecb_expect_false (!ev_is_active (w)))
4751 return; 4862 return;
4752 4863
4753 EV_FREQUENT_CHECK; 4864 EV_FREQUENT_CHECK;
4754 4865
4755 { 4866 {
… …
4764 EV_FREQUENT_CHECK; 4875 EV_FREQUENT_CHECK;
4765} 4876}
4766#endif 4877#endif
4767 4878
4768#if EV_EMBED_ENABLE 4879#if EV_EMBED_ENABLE
4769noinline 4880ecb_noinline
4770void 4881void
4771ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT 4882ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4772{ 4883{
4773 ev_run (w->other, EVRUN_NOWAIT); 4884 ev_run (w->other, EVRUN_NOWAIT);
4774} 4885}
… …
4826#endif 4937#endif
4827 4938
4828void 4939void
4829ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT 4940ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4830{ 4941{
4831 if (expect_false (ev_is_active (w))) 4942 if (ecb_expect_false (ev_is_active (w)))
4832 return; 4943 return;
4833 4944
4834 { 4945 {
4835 EV_P = w->other; 4946 EV_P = w->other;
4836 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 4947 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
… …
4858 4969
4859void 4970void
4860ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT 4971ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4861{ 4972{
4862 clear_pending (EV_A_ (W)w); 4973 clear_pending (EV_A_ (W)w);
4863 if (expect_false (!ev_is_active (w))) 4974 if (ecb_expect_false (!ev_is_active (w)))
4864 return; 4975 return;
4865 4976
4866 EV_FREQUENT_CHECK; 4977 EV_FREQUENT_CHECK;
4867 4978
4868 ev_io_stop (EV_A_ &w->io); 4979 ev_io_stop (EV_A_ &w->io);
… …
4877 4988
4878#if EV_FORK_ENABLE 4989#if EV_FORK_ENABLE
4879void 4990void
4880ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT 4991ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4881{ 4992{
4882 if (expect_false (ev_is_active (w))) 4993 if (ecb_expect_false (ev_is_active (w)))
4883 return; 4994 return;
4884 4995
4885 EV_FREQUENT_CHECK; 4996 EV_FREQUENT_CHECK;
4886 4997
4887 ev_start (EV_A_ (W)w, ++forkcnt); 4998 ev_start (EV_A_ (W)w, ++forkcnt);
… …
4893 5004
4894void 5005void
4895ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT 5006ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4896{ 5007{
4897 clear_pending (EV_A_ (W)w); 5008 clear_pending (EV_A_ (W)w);
4898 if (expect_false (!ev_is_active (w))) 5009 if (ecb_expect_false (!ev_is_active (w)))
4899 return; 5010 return;
4900 5011
4901 EV_FREQUENT_CHECK; 5012 EV_FREQUENT_CHECK;
4902 5013
4903 { 5014 {
… …
4915 5026
4916#if EV_CLEANUP_ENABLE 5027#if EV_CLEANUP_ENABLE
4917void 5028void
4918ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5029ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4919{ 5030{
4920 if (expect_false (ev_is_active (w))) 5031 if (ecb_expect_false (ev_is_active (w)))
4921 return; 5032 return;
4922 5033
4923 EV_FREQUENT_CHECK; 5034 EV_FREQUENT_CHECK;
4924 5035
4925 ev_start (EV_A_ (W)w, ++cleanupcnt); 5036 ev_start (EV_A_ (W)w, ++cleanupcnt);
… …
4933 5044
4934void 5045void
4935ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5046ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4936{ 5047{
4937 clear_pending (EV_A_ (W)w); 5048 clear_pending (EV_A_ (W)w);
4938 if (expect_false (!ev_is_active (w))) 5049 if (ecb_expect_false (!ev_is_active (w)))
4939 return; 5050 return;
4940 5051
4941 EV_FREQUENT_CHECK; 5052 EV_FREQUENT_CHECK;
4942 ev_ref (EV_A); 5053 ev_ref (EV_A);
4943 5054
… …
4956 5067
4957#if EV_ASYNC_ENABLE 5068#if EV_ASYNC_ENABLE
4958void 5069void
4959ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT 5070ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4960{ 5071{
4961 if (expect_false (ev_is_active (w))) 5072 if (ecb_expect_false (ev_is_active (w)))
4962 return; 5073 return;
4963 5074
4964 w->sent = 0; 5075 w->sent = 0;
4965 5076
4966 evpipe_init (EV_A); 5077 evpipe_init (EV_A);
… …
4976 5087
4977void 5088void
4978ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT 5089ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4979{ 5090{
4980 clear_pending (EV_A_ (W)w); 5091 clear_pending (EV_A_ (W)w);
4981 if (expect_false (!ev_is_active (w))) 5092 if (ecb_expect_false (!ev_is_active (w)))
4982 return; 5093 return;
4983 5094
4984 EV_FREQUENT_CHECK; 5095 EV_FREQUENT_CHECK;
4985 5096
4986 { 5097 {

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