1/* Copyright (C) 2003 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3
4   The GNU C Library is free software; you can redistribute it and/or
5   modify it under the terms of the GNU Lesser General Public
6   License as published by the Free Software Foundation; either
7   version 2.1 of the License, or (at your option) any later version.
8
9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library; if not, see
16   <http://www.gnu.org/licenses/>.  */
17
18#include <pthread-errnos.h>
19
20	.globl	pthread_spin_trylock
21	.type	pthread_spin_trylock,@function
22	.align	5
23pthread_spin_trylock:
24	tas.b	@r4
25	bf/s	1f
26	mov	#EBUSY, r0
27	mov	#0, r0
281:
29	rts
30	 nop
31	.size	pthread_spin_trylock,.-pthread_spin_trylock
32