1 //****************************************************************************** 2 // 3 // File: ParallelTeamThread_0.java 4 // Package: edu.rit.pj 5 // Unit: Class edu.rit.pj.ParallelTeamThread_0 6 // 7 // This Java source file is copyright (C) 2007 by Alan Kaminsky. All rights 8 // reserved. For further information, contact the author, Alan Kaminsky, at 9 // ark@cs.rit.edu. 10 // 11 // This Java source file is part of the Parallel Java Library ("PJ"). PJ is free 12 // software; you can redistribute it and/or modify it under the terms of the GNU 13 // General Public License as published by the Free Software Foundation; either 14 // version 3 of the License, or (at your option) any later version. 15 // 16 // PJ is distributed in the hope that it will be useful, but WITHOUT ANY 17 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 18 // A PARTICULAR PURPOSE. See the GNU General Public License for more details. 19 // 20 // Linking this library statically or dynamically with other modules is making a 21 // combined work based on this library. Thus, the terms and conditions of the GNU 22 // General Public License cover the whole combination. 23 // 24 // As a special exception, the copyright holders of this library give you 25 // permission to link this library with independent modules to produce an 26 // executable, regardless of the license terms of these independent modules, and 27 // to copy and distribute the resulting executable under terms of your choice, 28 // provided that you also meet, for each linked independent module, the terms 29 // and conditions of the license of that module. An independent module is a module 30 // which is not derived from or based on this library. If you modify this library, 31 // you may extend this exception to your version of the library, but you are not 32 // obligated to do so. If you do not wish to do so, delete this exception 33 // statement from your version. 34 // 35 // A copy of the GNU General Public License is provided in the file gpl.txt. You 36 // may also obtain a copy of the GNU General Public License on the World Wide 37 // Web at http://www.gnu.org/licenses/gpl.html. 38 // 39 //****************************************************************************** 40 package edu.rit.pj; 41 42 /** 43 * Class ParallelTeamThread_0 provides one thread in a {@linkplain ParallelTeam} 44 * of threads for executing a {@linkplain ParallelRegion} in parallel. This 45 * class is used for thread index 0. 46 * 47 * @author Alan Kaminsky 48 * @version 03-Oct-2007 49 */ 50 class ParallelTeamThread_0 51 extends ParallelTeamThread { 52 53 // Exported constructors. 54 /** 55 * Construct a new parallel team thread. 56 * 57 * @param theTeam Parallel team to which this thread belongs. 58 * @param theIndex Index of this thread within the team. 59 */ 60 public ParallelTeamThread_0(ParallelTeam theTeam, 61 int theIndex) { 62 super(theTeam, theIndex); 63 } 64 65 // Hidden operations. 66 /** 67 * Do this thread's portion of a barrier with no barrier action. This method 68 * is called by thread 0 of the parallel team. 69 */ 70 void barrier() { 71 myTeam.barrier(); 72 } 73 74 /** 75 * Do this thread's portion of a barrier with a barrier action. This method 76 * is called by thread 0 of the parallel team. 77 * 78 * @param action Barrier action. 79 * 80 * @exception Exception Thrown if the <code>action</code>'s <code>run()</code> 81 * method throws an exception. 82 */ 83 void barrier(BarrierAction action) 84 throws Exception { 85 myTeam.barrier(action); 86 } 87 88 }