ThreadInfoHelper.java

/*
 * Copyright (C) 2009 Robert Lougher <rob@jamvm.org.uk>.
 *
 * This file is part of JamVM.
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

package jamvm;

class ThreadInfoHelper {
    static Object[] createThreadInfo(Thread thread, Object lock,
                                     Thread lockOwner) {

        String lockName = null;
        String lockOwnerName = null;

        if(lock != null) {
            lockName = lock.getClass().getName() + "@" + 
                           Integer.toHexString(System.identityHashCode(lock));
            if(lockOwner != null)
                lockOwnerName = lockOwner.getName();
        }

        return new Object[] {thread.getName(), thread.getState(),
                             lockName, lockOwnerName};
    }
}