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Diffstat (limited to 'gnu/classpath/jdwp/util/MonitorInfo.java')
-rw-r--r-- | gnu/classpath/jdwp/util/MonitorInfo.java | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/gnu/classpath/jdwp/util/MonitorInfo.java b/gnu/classpath/jdwp/util/MonitorInfo.java new file mode 100644 index 000000000..f28eabf83 --- /dev/null +++ b/gnu/classpath/jdwp/util/MonitorInfo.java @@ -0,0 +1,76 @@ +/* MonitorInfo.java -- class used to return monitor information + for JDWP. + + Copyright (C) 2007 Free Software Foundation + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.classpath.jdwp.util; + +import gnu.classpath.jdwp.VMIdManager; +import gnu.classpath.jdwp.id.ObjectId; + +import java.io.DataOutputStream; +import java.io.IOException; + +/** + * This class is used to pass monitor information between + * the JDWP back-end and the virtual machine. + * + * @author Keith Seitz (keiths@redhat.com) + */ +public class MonitorInfo +{ + public int entryCount; + public Thread owner; + public Thread[] waiters; + + public void write(DataOutputStream os) + throws IOException + { + VMIdManager idm = VMIdManager.getDefault(); + ObjectId id = idm.getObjectId(owner); + id.write(os); + os.write(entryCount); + os.write(waiters.length); + for (int i = 0; i < waiters.length; ++i) + { + id = idm.getObjectId(waiters[i]); + id.write(os); + } + } +} |