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Diffstat (limited to 'sys/i386/include/mutex.h')
| -rw-r--r-- | sys/i386/include/mutex.h | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/sys/i386/include/mutex.h b/sys/i386/include/mutex.h deleted file mode 100644 index 651e226..0000000 --- a/sys/i386/include/mutex.h +++ /dev/null @@ -1,66 +0,0 @@ -/*- - * Copyright (c) 1997 Berkeley Software Design, Inc. 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. Berkeley Software Design Inc's name may not be used to endorse or - * promote products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``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 BERKELEY SOFTWARE DESIGN INC 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. - * - * from BSDI $Id: mutex.h,v 2.7.2.35 2000/04/27 03:10:26 cp Exp $ - * $FreeBSD$ - */ - -#ifndef _MACHINE_MUTEX_H_ -#define _MACHINE_MUTEX_H_ - -#ifdef LOCORE - -/* - * Simple assembly macros to get and release mutexes. - * - * Note: All of these macros accept a "flags" argument and are analoguous - * to the mtx_lock_flags and mtx_unlock_flags general macros. If one - * desires to not pass a flag, the value 0 may be passed as second - * argument. - * - * XXX: We only have MTX_LOCK_SPIN and MTX_UNLOCK_SPIN for now, since that's - * all we use right now. We should add MTX_LOCK and MTX_UNLOCK (for sleep - * locks) in the near future, however. - */ -#define MTX_LOCK_SPIN(lck, flags) \ - pushl $0 ; \ - pushl $0 ; \ - pushl $flags ; \ - pushl $lck ; \ - call _mtx_lock_spin_flags ; \ - addl $0x10, %esp ; \ - -#define MTX_UNLOCK_SPIN(lck) \ - pushl $0 ; \ - pushl $0 ; \ - pushl $0 ; \ - pushl $lck ; \ - call _mtx_unlock_spin_flags ; \ - addl $0x10, %esp ; \ - -#endif /* LOCORE */ -#endif /* __MACHINE_MUTEX_H */ |
