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 }