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annotate src/examples/DiningPhil.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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3 * Administrator of the National Aeronautics and Space Administration.
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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12 * Unless required by applicable law or agreed to in writing, software
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18
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19 public class DiningPhil {
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20
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21 static class Fork {
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22 }
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23
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24 static class Philosopher extends Thread {
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25
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26 Fork left;
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27 Fork right;
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28
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29 public Philosopher(Fork left, Fork right) {
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30 this.left = left;
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31 this.right = right;
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32 //start();
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33 }
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34
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35 @Override
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36 public void run() {
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37 // think!
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38 synchronized (left) {
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39 synchronized (right) {
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40 // eat!
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41 }
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42 }
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43 }
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44 }
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45
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46 static int nPhilosophers = 6;
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47
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48 public static void main(String[] args) {
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49 if (args.length > 0){
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50 nPhilosophers = Integer.parseInt(args[0]);
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51 }
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52
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53 //Verify.beginAtomic();
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54 Fork[] forks = new Fork[nPhilosophers];
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55 for (int i = 0; i < nPhilosophers; i++) {
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56 forks[i] = new Fork();
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57 }
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58 for (int i = 0; i < nPhilosophers; i++) {
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59 Philosopher p = new Philosopher(forks[i], forks[(i + 1) % nPhilosophers]);
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60 p.start();
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61 }
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62 //Verify.endAtomic();
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63 }
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64 }