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* io/sys/stat.h [__USE_MISC]: Define __need_timespec for struct stat. * sysdeps/unix/sysv/linux/xstatconv.c (xstat_conv): Adjust for nsec resolution changes. (xstat64_conv): Likewise. (xstat32_conv): Likewise. * sysdeps/unix/sysv/linux/kernel_stat.h: Add nsec resolution for struct kernel_stat. * sysdeps/unix/sysv/linux/bits/stat.h: Add nsec resolution for structs stat and stat64. * time/time.h (__timespec_defined): Define for __USE_MISC. 2002-12-31 Ulrich Drepper <drepper@redhat.com> * include/signal.h: Add libc_hidden_proto for __libc_current_sigrtmin and __libc_current_sigrtmax. 2002-12-31 Jakub Jelinek <jakub@redhat.com> * include/errno.h (__errno_location): Add prototype. Use libc_hidden_proto unconditionally. * include/netdb.h (__h_errno_location): Use libc_hidden_proto unconditionally. * include/resolv.h (__res_state): Likewise. * hurd/errno-loc.c (__errno_location): Add libc_hidden_def. * include/sys/socket.h (accept): Add libc_hidden_proto. * include/errno.h (__errno_location): Likewise. * include/netdb.h (__h_errno_location): Likewise. * include/resolv.h (__res_state): Likewise. * include/unistd.h (__lseek): Likewise. * sysdeps/generic/errno-loc.c (__errno_location): Add libc_hidden_def. * sysdeps/generic/herrno-loc.c (__h_errno_location): Likewise. * sysdeps/generic/res-state.c (__res_state): Likewise. * sysdeps/generic/accept.c (accept): Likewise. * sysdeps/generic/lseek.c (__lseek): Likewise. * sysdeps/generic/allocrtsig.c (__libc_current_sigrtmin, __libc_current_sigrtmax): Likewise. * sysdeps/mach/hurd/accept.c (accept): Likewise. * sysdeps/mach/hurd/lseek.c (__lseek): Likewise. * sysdeps/unix/sysv/aix/accept.c (accept): Likewise. * sysdeps/unix/sysv/aix/lseek.c (__lseek): Likewise. * sysdeps/unix/sysv/linux/accept.S (accept): Likewise. * sysdeps/unix/inet/syscalls.list (__GI_accept): New alias to accept. * sysdeps/unix/sysv/linux/alpha/syscalls.list (__GI_accept): Likewise. * sysdeps/unix/sysv/linux/hppa/syscalls.list (__GI_accept): Likewise. * sysdeps/unix/sysv/linux/ia64/syscalls.list (__GI___lseek): New alias to llseek. (__GI_accept): New alias to accept. * sysdeps/unix/sysv/linux/mips/syscalls.list (__GI_accept): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (__GI___lseek): New alias to llseek. (__GI_accept): New alias to accept. * sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list (__GI_accept): Likewise. * sysdeps/unix/sysv/linux/x86_64/syscalls.list (__GI_accept): Likewise. * sysdeps/unix/syscalls.list (__GI___lseek): New alias to lseek. * sysdeps/alpha/setjmp.S : Use libc_hidden_def(name) instead of strong_alias (name, __GI_name). * sysdeps/arm/bsd-_setjmp.S : Likewise. * sysdeps/hppa/bsd-_setjmp.S : Likewise. * sysdeps/i386/bsd-_setjmp.S : Likewise. * sysdeps/mips/mips64/bsd-_setjmp.S : Likewise. * sysdeps/mips/bsd-_setjmp.S : Likewise. * sysdeps/powerpc/powerpc32/bsd-_setjmp.S : Likewise. * sysdeps/powerpc/powerpc64/setjmp.S : Likewise. * sysdeps/s390/s390-32/elf/setjmp.S : Likewise. * sysdeps/s390/s390-32/bsd-_setjmp.S : Likewise. * sysdeps/s390/s390-64/elf/setjmp.S : Likewise. * sysdeps/s390/s390-64/bsd-_setjmp.S : Likewise. * sysdeps/sh/bsd-_setjmp.S : Likewise. * sysdeps/sparc/sparc32/setjmp.S : Likewise. * sysdeps/unix/arm/fork.S : Likewise. * sysdeps/unix/bsd/hp/m68k/vfork.S : Likewise. * sysdeps/unix/bsd/i386/vfork.S : Likewise. * sysdeps/unix/bsd/osf/alpha/fork.S : Likewise. * sysdeps/unix/bsd/sun/m68k/vfork.S : Likewise. * sysdeps/unix/bsd/ultrix4/mips/vfork.S : Likewise. * sysdeps/unix/bsd/vax/vfork.S : Likewise. * sysdeps/unix/i386/fork.S : Likewise. * sysdeps/unix/mips/fork.S : Likewise. * sysdeps/unix/sparc/fork.S : Likewise. * sysdeps/unix/sparc/vfork.S : Likewise. * sysdeps/unix/sysv/linux/arm/vfork.S : Likewise. * sysdeps/unix/sysv/linux/cris/vfork.S : Likewise. * sysdeps/unix/sysv/linux/i386/vfork.S : Likewise. * sysdeps/unix/sysv/linux/ia64/fork.S : Likewise. * sysdeps/unix/sysv/linux/ia64/setjmp.S : Likewise. * sysdeps/unix/sysv/linux/ia64/vfork.S : Likewise. * sysdeps/unix/sysv/linux/m68k/vfork.S : Likewise. * sysdeps/unix/sysv/linux/sh/vfork.S : Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S : Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/setjmp.S : Likewise. * sysdeps/unix/sysv/linux/sparc/fork.S : Likewise. * sysdeps/unix/sysv/linux/sparc/vfork.S : Likewise. * sysdeps/unix/sysv/linux/x86_64/vfork.S : Likewise. * sysdeps/unix/fork.S : Likewise. * sysdeps/vax/bsd-_setjmp.S : Likewise. * sysdeps/x86_64/bsd-_setjmp.S : Likewise. * sysdeps/unix/sysv/linux/ia64/sysdep.h: Guard against multiple inclusion.
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/* Machine-dependent pthreads configuration and inline functions.
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i686 version.
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Copyright (C) 1996-2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson <rth@tamu.edu>.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _PT_MACHINE_H
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#define _PT_MACHINE_H 1
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#ifndef PT_EI
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# define PT_EI extern inline
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#endif
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#include "kernel-features.h"
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#ifndef __ASSEMBLER__
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extern long int testandset (int *spinlock);
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extern int __compare_and_swap (long int *p, long int oldval, long int newval);
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/* Get some notion of the current stack. Need not be exactly the top
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of the stack, just something somewhere in the current frame. */
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#define CURRENT_STACK_FRAME __builtin_frame_address (0)
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/* Spinlock implementation; required. */
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PT_EI long int
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testandset (int *spinlock)
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{
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long int ret;
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__asm__ __volatile__ (
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"xchgl %0, %1"
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: "=r" (ret), "=m" (*spinlock)
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: "0" (1), "m" (*spinlock)
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: "memory");
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return ret;
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}
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/* Compare-and-swap for semaphores. It's always available on i686. */
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#define HAS_COMPARE_AND_SWAP
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PT_EI int
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__compare_and_swap (long int *p, long int oldval, long int newval)
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{
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char ret;
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long int readval;
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__asm__ __volatile__ ("lock; cmpxchgl %3, %1; sete %0"
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: "=q" (ret), "=m" (*p), "=a" (readval)
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: "r" (newval), "m" (*p), "a" (oldval)
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: "memory");
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return ret;
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}
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#endif
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#if __ASSUME_LDT_WORKS > 0
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#include "../useldt.h"
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#endif
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/* The P4 and above really want some help to prevent overheating. */
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#define BUSY_WAIT_NOP __asm__ ("rep; nop")
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#endif /* pt-machine.h */
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