glibc/sysdeps/hppa/nptl/pthread_spin_unlock.c
Carlos O'Donell d396ccd5ec 2006-11-10 Carlos O'Donell <carlos@systemhalted.org>
* sysdeps/hppa/nptl/pthread_spin_init.c: New file.
	* sysdeps/hppa/nptl/pthread_spin_unlock.c: Remove strong alias
	to pthread_spin_init.
	* sysdeps/unix/sysv/linux/hppa/nptl/sysdep-cancel.h: Define
	RTLD_SINGLE_THREAD_P.

2006-09-20  Carlos O'Donell  <carlos@systemhalted.org>

	* sysdeps/unix/sysv/linux/hppa/bits/fcntl.h (splice): Add offin
	and offout arguments to the prototype.
2006-11-11 14:33:27 +00:00

30 lines
1.1 KiB
C

/* Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include "pthreadP.h"
int
pthread_spin_unlock (pthread_spinlock_t *lock)
{
int tmp = 0;
/* This should be a memory barrier to newer compilers */
__asm__ __volatile__ ("stw,ma %1,0(%0)"
: : "r" (lock), "r" (tmp) : "memory");
return 0;
}