brutisso@6904: /*
brutisso@6904:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
brutisso@6904:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
brutisso@6904:  *
brutisso@6904:  * This code is free software; you can redistribute it and/or modify it
brutisso@6904:  * under the terms of the GNU General Public License version 2 only, as
brutisso@6904:  * published by the Free Software Foundation.
brutisso@6904:  *
brutisso@6904:  * This code is distributed in the hope that it will be useful, but WITHOUT
brutisso@6904:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
brutisso@6904:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
brutisso@6904:  * version 2 for more details (a copy is included in the LICENSE file that
brutisso@6904:  * accompanied this code).
brutisso@6904:  *
brutisso@6904:  * You should have received a copy of the GNU General Public License version
brutisso@6904:  * 2 along with this work; if not, write to the Free Software Foundation,
brutisso@6904:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
brutisso@6904:  *
brutisso@6904:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
brutisso@6904:  * or visit www.oracle.com if you need additional information or have any
brutisso@6904:  * questions.
brutisso@6904:  *
brutisso@6904:  */
brutisso@6904: 
brutisso@6904: #include "precompiled.hpp"
brutisso@6904: #include "gc_implementation/shared/gcId.hpp"
brutisso@6904: #include "runtime/safepoint.hpp"
brutisso@6904: 
brutisso@6904: uint GCId::_next_id = 0;
brutisso@6904: 
brutisso@6904: const GCId GCId::create() {
brutisso@6904:   return GCId(_next_id++);
brutisso@6904: }
brutisso@6904: const GCId GCId::peek() {
brutisso@6904:   return GCId(_next_id);
brutisso@6904: }
brutisso@6904: const GCId GCId::undefined() {
brutisso@6904:   return GCId(UNDEFINED);
brutisso@6904: }
brutisso@6904: bool GCId::is_undefined() const {
brutisso@6904:   return _id == UNDEFINED;
brutisso@6904: }