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/* Copyright (C) 2002 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.

   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.  */

#define EBUSY	16

	.globl	pthread_spin_trylock
	.type	pthread_spin_trylock,@function
	.align	16
pthread_spin_trylock:
	movl	4(%esp), %edx
	movl	$1, %eax
	xorl	%ecx, %ecx
	cmpxchgl %ecx, (%edx)
	movl	$EBUSY, %ecx
	movl	$0, %eax
	cmovne	%ecx, %eax
	ret
	.size	pthread_spin_trylock,.-pthread_spin_trylock