2362N/A * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * RMI runtime implementation utilities. 0N/A * There is a single instance of this class, which can be obtained 0N/A * with a GetInstanceAction. Getting the instance requires 0N/A * RuntimePermission("sun.rmi.runtime.RuntimeUtil.getInstance") 0N/A * because the public methods of this class expose security-sensitive 0N/A * @author Peter Jones 0N/A /** runtime package log */ 0N/A /** number of scheduler threads */ 0N/A /** permission required to get instance */ 0N/A /** the singleton instance of this class */ 0N/A /** thread pool for scheduling delayed tasks */ 0N/A "scheduler thread factory throws", t);
0N/A * We would like to allow the scheduler's threads to terminate 0N/A * if possible, but a bug in DelayQueue.poll can cause code 0N/A * like this to result in a busy loop: 0N/A // stpe.setKeepAliveTime(10, TimeUnit.MINUTES); 0N/A // stpe.allowCoreThreadTimeOut(true); 0N/A * A PrivilegedAction for getting the RuntimeUtil instance. 0N/A * Creates an action that returns the RuntimeUtil instance. 0N/A * Returns the shared thread pool for scheduling delayed tasks. 0N/A * Note that the returned pool has limited concurrency, so 0N/A * submitted tasks should be short-lived and should not block.