atomic.hpp revision 0
3157N/A * Copyright 1999-2003 Sun Microsystems, Inc. All Rights Reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 0N/A * published by the Free Software Foundation. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1472N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 1472N/A * CA 95054 USA or visit www.sun.com if you need additional information or 1879N/A // Atomically store to a location 0N/A // Atomically add to a location, return updated value 3157N/A // Atomically increment location 3157N/A // Atomically decrement a location 3157N/A // Performs atomic exchange of *dest with exchange_value. Returns old prior value of *dest. 3157N/A // Performs atomic compare of *dest and compare_value, and exchanges *dest with exchange_value 3157N/A // if the comparison succeeded. Returns prior value of *dest. Guarantees a two-way memory 3157N/A // barrier across the cmpxchg. I.e., it's really a 'fence_cmpxchg_acquire'.