/* ThreadStartEvent.java -- An event specifying that a new thread has started in the virtual machine Copyright (C) 2005 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.event; import gnu.classpath.jdwp.JdwpConstants; import gnu.classpath.jdwp.VMIdManager; import gnu.classpath.jdwp.id.ThreadId; import java.io.DataOutputStream; import java.io.IOException; /** * "Notification of a new running thread in the target VM. The new * thread can be the result of a call to {@link java.lang.Thread.start} or * the result of attaching a new thread to the VM though JNI. The * notification is generated by the new thread some time before its * execution starts. Because of this timing, it is possible to receive * other events for the thread before this event is received. (Notably, * Method Entry Events and Method Exit Events might occur during thread * initialization. It is also possible for the VirtualMachine AllThreads * command to return a thread before its thread start event is received. * *

Note that this event gives no information about the creation of the * thread object which may have happened much earlier, depending on the * VM being debugged." -- JDWP 1.4.2 * * @author Keith Seitz (keiths@redhat.com) */ public class ThreadStartEvent extends Event { private Thread _thread; /** * Constructs a new ThreadStartEvent * * @param tid the thread ID in which event occurred */ public ThreadStartEvent (Thread thread) { super (JdwpConstants.EventKind.THREAD_END); _thread = thread; } /** * Returns a specific filtering parameter for this event. * Valid types are ThreadId. * * @param type the type of parameter desired * @returns the desired parameter or null */ public Object getParameter (Class type) { if (type == ThreadId.class) return _thread; return null; } /** * Writes the event to the given stream * * @param outStream the output stream to write the event to */ protected void _writeData (DataOutputStream outStream) throws IOException { VMIdManager idm = VMIdManager.getDefault(); ThreadId tid = (ThreadId) idm.getObjectId (_thread); tid.write (outStream); } }