mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
29 lines
1.0 KiB
C
29 lines
1.0 KiB
C
/* Copyright (C) 2005-2014 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#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;
|
|
}
|