83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
/*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by John Birrell.
|
|
* 4. 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"
|
|
|
|
/*
|
|
* 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)
|
|
{
|
|
return (0L);
|
|
}
|
|
|
|
|
|
/*
|
|
* This function is a stub for the spinlock function in libpthread.
|
|
*/
|
|
void
|
|
_spinlock_stub(spinlock_t *lck)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* This function is a stub for the spinunlock function in libpthread.
|
|
*/
|
|
void
|
|
_spinunlock_stub(spinlock_t *lck)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* This function is a stub for the debug spinlock function in libpthread.
|
|
*/
|
|
void
|
|
_spinlock_debug_stub(spinlock_t *lck, char *fname, int lineno)
|
|
{
|
|
}
|