Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/livejvm/CStringAccessor.java @ 210:05712c37c828
6676016: ParallelOldGC leaks memory
Summary: ensure that GCTask threads release resource and handle memory
Reviewed-by: jmasa, chrisphi
author | jcoomes |
---|---|
date | Wed, 18 Jun 2008 18:36:47 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
line wrap: on
line source
/* * Copyright 2002 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.livejvm; import java.io.UnsupportedEncodingException; import sun.jvm.hotspot.debugger.*; class CStringAccessor { private Address addr; private int bufLen; CStringAccessor(Address addr, int bufLen) { this.addr = addr; this.bufLen = bufLen; } String getValue() throws DebuggerException { int len = 0; while ((addr.getCIntegerAt(len, 1, true) != 0) && (len < bufLen)) { ++len; } byte[] res = new byte[len]; for (int i = 0; i < len; i++) { res[i] = (byte) addr.getCIntegerAt(i, 1, true); } try { return new String(res, "US-ASCII"); } catch (UnsupportedEncodingException e) { throw new DebuggerException("Unable to use US-ASCII encoding"); } } void setValue(String value) throws DebuggerException { try { byte[] data = value.getBytes("US-ASCII"); if (data.length >= bufLen) { throw new DebuggerException("String too long"); } for (int i = 0; i < data.length; i++) { addr.setCIntegerAt(i, 1, data[i]); } addr.setCIntegerAt(data.length, 1, 0); } catch (UnsupportedEncodingException e) { throw new DebuggerException("Unable to use US-ASCII encoding"); } } }