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

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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/examples/DiningPhil.java	Fri Jan 23 10:14:01 2015 -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();
+  }
+}
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