diff -r c8aa7a0bf7d0 -r 100a882dcffa hotspot/src/share/vm/services/memPtr.cpp --- a/hotspot/src/share/vm/services/memPtr.cpp Fri Aug 08 16:24:16 2014 -0700 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,43 +0,0 @@ -/* - * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - * - */ - -#include "precompiled.hpp" -#include "runtime/atomic.inline.hpp" -#include "services/memPtr.hpp" -#include "services/memTracker.hpp" - -volatile jint SequenceGenerator::_seq_number = 1; -volatile unsigned long SequenceGenerator::_generation = 1; -NOT_PRODUCT(jint SequenceGenerator::_max_seq_number = 1;) - -jint SequenceGenerator::next() { - jint seq = Atomic::add(1, &_seq_number); - if (seq < 0) { - MemTracker::shutdown(MemTracker::NMT_sequence_overflow); - } else { - NOT_PRODUCT(_max_seq_number = (seq > _max_seq_number) ? seq : _max_seq_number;) - } - return seq; -} -