_spinlock_stub.c revision 34378
134378Sjb/* 234378Sjb * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>. 334378Sjb * All rights reserved. 434378Sjb * 534378Sjb * Redistribution and use in source and binary forms, with or without 634378Sjb * modification, are permitted provided that the following conditions 734378Sjb * are met: 834378Sjb * 1. Redistributions of source code must retain the above copyright 934378Sjb * notice, this list of conditions and the following disclaimer. 1034378Sjb * 2. Redistributions in binary form must reproduce the above copyright 1134378Sjb * notice, this list of conditions and the following disclaimer in the 1234378Sjb * documentation and/or other materials provided with the distribution. 1334378Sjb * 3. All advertising materials mentioning features or use of this software 1434378Sjb * must display the following acknowledgement: 1534378Sjb * This product includes software developed by John Birrell. 1634378Sjb * 4. Neither the name of the author nor the names of any co-contributors 1734378Sjb * may be used to endorse or promote products derived from this software 1834378Sjb * without specific prior written permission. 1934378Sjb * 2034378Sjb * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 2134378Sjb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2234378Sjb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2334378Sjb * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2434378Sjb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2534378Sjb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2634378Sjb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2734378Sjb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2834378Sjb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2934378Sjb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3034378Sjb * SUCH DAMAGE. 3134378Sjb * 3234378Sjb * $Id$ 3334378Sjb * 3434378Sjb */ 3534378Sjb 3634378Sjb#include <stdio.h> 3734378Sjb#include "spinlock.h" 3834378Sjb 3934378Sjb/* 4034378Sjb * Declare weak references in case the application is not linked 4134378Sjb * with libpthread. 4234378Sjb */ 4334378Sjb#pragma weak _spinlock=_spinlock_stub 4434378Sjb#pragma weak _atomic_unlock=_atomic_unlock_stub 4534378Sjb 4634378Sjb/* 4734378Sjb * This function is a stub for the spinlock function in libpthread. 4834378Sjb */ 4934378Sjbvoid 5034378Sjb_spinlock_stub(long *lck) 5134378Sjb{ 5234378Sjb} 5334378Sjb 5434378Sjb/* 5534378Sjb * This function is a stub for the _atomic_unlock function in libpthread. 5634378Sjb */ 5734378Sjbvoid 5834378Sjb_atomic_unlock_stub(long *lck) 5934378Sjb{ 6034378Sjb} 61