1da2e3ebdSchin /*********************************************************************** 2da2e3ebdSchin * * 3da2e3ebdSchin * This software is part of the ast package * 4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2012 AT&T Intellectual Property * 5da2e3ebdSchin * and is licensed under the * 6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 * 77c2fbfb3SApril Chin * by AT&T Intellectual Property * 8da2e3ebdSchin * * 9da2e3ebdSchin * A copy of the License is available at * 10*b30d1939SAndy Fiddaman * http://www.eclipse.org/org/documents/epl-v10.html * 11*b30d1939SAndy Fiddaman * (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12da2e3ebdSchin * * 13da2e3ebdSchin * Information and Software Systems Research * 14da2e3ebdSchin * AT&T Research * 15da2e3ebdSchin * Florham Park NJ * 16da2e3ebdSchin * * 17da2e3ebdSchin * Glenn Fowler <gsf@research.att.com> * 18da2e3ebdSchin * David Korn <dgk@research.att.com> * 19da2e3ebdSchin * Phong Vo <kpv@research.att.com> * 20da2e3ebdSchin * * 21da2e3ebdSchin ***********************************************************************/ 22*b30d1939SAndy Fiddaman #ifndef _ASO_H 23*b30d1939SAndy Fiddaman #define _ASO_H 1 24da2e3ebdSchin 25*b30d1939SAndy Fiddaman #define ASO_UNLOCK 0 /* unlock if key matches */ 26*b30d1939SAndy Fiddaman #define ASO_TRYLOCK 1 /* matched key means successful attempt */ 27*b30d1939SAndy Fiddaman #define ASO_LOCK 2 /* matched key first, then spin-lock */ 28*b30d1939SAndy Fiddaman #define ASO_SPINLOCK 3 /* no matching of key before locking */ 29da2e3ebdSchin 30*b30d1939SAndy Fiddaman extern int asolock(unsigned int volatile*, unsigned int, int); 31da2e3ebdSchin 32da2e3ebdSchin #endif 33