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BEGIN LICENSE BLOCK ***** Version: EPL 1.0/GPL 2.0/LGPL 2.1 The contents of this file are subject to the Eclipse Public License Version 1.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. Copyright (C) 2006 MenTaLguY <> Alternatively, the contents of this file may be used under the terms of either of the GNU General Public License Version 2 or later (the "GPL"), or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which case the provisions of the GPL or the LGPL are applicable instead of those above. If you wish to allow use of your version of this file only under the terms of either the GPL or the LGPL, and not to allow others to use your version of this file under the terms of the EPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL or the LGPL. If you do not delete the provisions above, a recipient may use your version of this file under the terms of any one of the EPL, the GPL or the LGPL. END LICENSE BLOCK ***
 package org.jruby.ext.thread;
 import org.jruby.Ruby;
The "ConditionVariable" class from the 'thread' library.
 @JRubyClass(name = "ConditionVariable")
 public class ConditionVariable extends RubyObject {
     @JRubyMethod(name = "new", rest = true, meta = true)
     public static ConditionVariable newInstance(ThreadContext contextIRubyObject recvIRubyObject[] argsBlock block) {
         ConditionVariable result = new ConditionVariable(context.runtime, (RubyClassrecv);
         return result;
     public ConditionVariable(Ruby runtimeRubyClass type) {
     public static void setup(Ruby runtime) {
         RubyClass cConditionVariable = runtime.defineClass("ConditionVariable"runtime.getObject(), new ObjectAllocator() {
             public IRubyObject allocate(Ruby runtimeRubyClass klass) {
                 return new ConditionVariable(runtimeklass);
     @JRubyMethod(name = "wait", required = 1, optional = 1)
     public IRubyObject wait_ruby(ThreadContext contextIRubyObject[] args) {
         Ruby runtime = context.runtime;
         if (args.length < 1) {
             throw runtime.newArgumentError(args.length, 1);
         if (args.length > 2) {
             throw runtime.newArgumentError(args.length, 2);
         if (!(args[0] instanceof Mutex)) {
             throw context.runtime.newTypeError(args[0], runtime.getClass("Mutex"));
         Mutex mutex = (Mutexargs[0];
         Double timeout = null;
         if (args.length > 1 && !args[1].isNil()) {
             timeout = args[1].convertToFloat().getDoubleValue();
             if (timeout < 0) {
                 throw runtime.newArgumentError("time interval must be positive");
         if (Thread.interrupted()) {
             throw runtime.newConcurrencyError("thread interrupted");
         boolean success = false;
         try {
             synchronized (this) {
                 try {
                     success = context.getThread().wait_timeout(thistimeout);
                 } catch (InterruptedException ie) {
                     throw runtime.newConcurrencyError(ie.getLocalizedMessage());
                 } finally {
                    // An interrupt or timeout may have caused us to miss
                    // a notify that we consumed, so do another notify in
                    // case someone else is available to pick it up.
                    if (!success) {
        } finally {
        if (timeout != null) {
            return runtime.newBoolean(success);
        } else {
            return this;
    public synchronized IRubyObject broadcast(ThreadContext context) {
        return this;
    public synchronized IRubyObject signal(ThreadContext context) {
        return this;
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