KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jruby > internal > runtime > RubyNativeThread


1 /***** BEGIN LICENSE BLOCK *****
2  * Version: CPL 1.0/GPL 2.0/LGPL 2.1
3  *
4  * The contents of this file are subject to the Common Public
5  * License Version 1.0 (the "License"); you may not use this file
6  * except in compliance with the License. You may obtain a copy of
7  * the License at http://www.eclipse.org/legal/cpl-v10.html
8  *
9  * Software distributed under the License is distributed on an "AS
10  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
11  * implied. See the License for the specific language governing
12  * rights and limitations under the License.
13  *
14  * Copyright (C) 2004 Charles O Nutter <headius@headius.com>
15  * Copyright (C) 2004 Jan Arne Petersen <jpetersen@uni-bonn.de>
16  *
17  * Alternatively, the contents of this file may be used under the terms of
18  * either of the GNU General Public License Version 2 or later (the "GPL"),
19  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20  * in which case the provisions of the GPL or the LGPL are applicable instead
21  * of those above. If you wish to allow use of your version of this file only
22  * under the terms of either the GPL or the LGPL, and not to allow others to
23  * use your version of this file under the terms of the CPL, indicate your
24  * decision by deleting the provisions above and replace them with the notice
25  * and other provisions required by the GPL or the LGPL. If you do not delete
26  * the provisions above, a recipient may use your version of this file under
27  * the terms of any one of the CPL, the GPL or the LGPL.
28  ***** END LICENSE BLOCK *****/
29 package org.jruby.internal.runtime;
30
31 import org.jruby.Ruby;
32 import org.jruby.RubyProc;
33 import org.jruby.RubyThread;
34 import org.jruby.RubyThreadGroup;
35 import org.jruby.exceptions.RaiseException;
36 import org.jruby.exceptions.ThreadKill;
37 import org.jruby.runtime.Block;
38 import org.jruby.runtime.Frame;
39 import org.jruby.runtime.ThreadContext;
40 import org.jruby.runtime.builtin.IRubyObject;
41
42 public class RubyNativeThread extends Thread JavaDoc {
43     private Ruby runtime;
44     private Frame currentFrame;
45     private RubyProc proc;
46     private IRubyObject[] arguments;
47     private RubyThread rubyThread;
48     
49     protected RubyNativeThread(RubyThread rubyThread, IRubyObject[] args, Block currentBlock) {
50         super(rubyThread.getRuntime().getThreadService().getRubyThreadGroup(), "Ruby Thread" + rubyThread.hash());
51         this.rubyThread = rubyThread;
52         this.runtime = rubyThread.getRuntime();
53         ThreadContext tc = runtime.getCurrentContext();
54         
55         proc = runtime.newProc(false, currentBlock);
56         currentFrame = tc.getCurrentFrame();
57         this.arguments = args;
58     }
59     
60     public RubyThread getRubyThread() {
61         return rubyThread;
62     }
63     
64     public void run() {
65         runtime.getThreadService().registerNewThread(rubyThread);
66         ThreadContext context = runtime.getCurrentContext();
67         
68         context.preRunThread(currentFrame);
69
70         // Call the thread's code
71 try {
72             rubyThread.notifyStarted();
73             
74             IRubyObject result = proc.call(arguments);
75             rubyThread.cleanTerminate(result);
76         } catch (ThreadKill tk) {
77             // notify any killer waiting on our thread that we're going bye-bye
78 synchronized (rubyThread.killLock) {
79                 rubyThread.killLock.notifyAll();
80             }
81         } catch (RaiseException e) {
82             rubyThread.exceptionRaised(e);
83         } finally {
84             runtime.getThreadService().setCritical(false);
85             ((RubyThreadGroup)rubyThread.group()).remove(rubyThread);
86         }
87     }
88 }
89
Popular Tags