blob: 54e73785516f89f2ed63eddb7d972f4d44628942 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/* Copyright (C) 2003-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
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/>. */
/* Ugly hack to avoid the declaration of pthread_spin_init. */
#define pthread_spin_init pthread_spin_init_XXX
#include "pthreadP.h"
#undef pthread_spin_init
int
pthread_spin_unlock (pthread_spinlock_t *lock)
{
__asm__ __volatile__ (" xc %O0(4,%R0),%0\n"
" bcr 15,0"
: "=Q" (*lock) : "m" (*lock) : "cc" );
return 0;
}
strong_alias (pthread_spin_unlock, pthread_spin_init)
|
