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/*
* Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stdio.h>
#include "spinlock.h"
long _atomic_lock_stub(volatile long *);
void _spinlock_stub(spinlock_t *);
void _spinunlock_stub(spinlock_t *);
void _spinlock_debug_stub(spinlock_t *, char *, int);
/*
* Declare weak definitions in case the application is not linked
* with libpthread.
*/
__weak_reference(_atomic_lock_stub, _atomic_lock);
__weak_reference(_spinlock_stub, _spinlock);
__weak_reference(_spinunlock_stub, _spinunlock);
__weak_reference(_spinlock_debug_stub, _spinlock_debug);
/*
* This function is a stub for the _atomic_lock function in libpthread.
*/
long
_atomic_lock_stub(volatile long *lck __unused)
{
return (0L);
}
/*
* This function is a stub for the spinlock function in libpthread.
*/
void
_spinlock_stub(spinlock_t *lck __unused)
{
}
/*
* This function is a stub for the spinunlock function in libpthread.
*/
void
_spinunlock_stub(spinlock_t *lck __unused)
{
}
/*
* This function is a stub for the debug spinlock function in libpthread.
*/
void
_spinlock_debug_stub(spinlock_t *lck __unused, char *fname __unused, int lineno __unused)
{
}
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