Mercurial > hg > Members > kono > jpf-core
view src/examples/DiningPhil.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -0800 |
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/* * Copyright (C) 2014, United States Government, as represented by the * Administrator of the National Aeronautics and Space Administration. * All rights reserved. * * The Java Pathfinder core (jpf-core) platform is licensed under the * Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0. * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class DiningPhil { static class Fork { } static class Philosopher extends Thread { Fork left; Fork right; public Philosopher(Fork left, Fork right) { this.left = left; this.right = right; //start(); } @Override public void run() { // think! synchronized (left) { synchronized (right) { // eat! } } } } static int nPhilosophers = 6; public static void main(String[] args) { if (args.length > 0){ nPhilosophers = Integer.parseInt(args[0]); } //Verify.beginAtomic(); Fork[] forks = new Fork[nPhilosophers]; for (int i = 0; i < nPhilosophers; i++) { forks[i] = new Fork(); } for (int i = 0; i < nPhilosophers; i++) { Philosopher p = new Philosopher(forks[i], forks[(i + 1) % nPhilosophers]); p.start(); } //Verify.endAtomic(); } }