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diff --git a/dep/include/zthread/PriorityCondition.h b/dep/include/zthread/PriorityCondition.h
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+++ b/dep/include/zthread/PriorityCondition.h
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+/*
+ * Copyright (c) 2005, Eric Crahen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __ZTPRIORITYCONDITION_H__
+#define __ZTPRIORITYCONDITION_H__
+
+#include "zthread/Lockable.h"
+#include "zthread/NonCopyable.h"
+#include "zthread/Waitable.h"
+
+namespace ZThread {
+  
+  class PriorityConditionImpl;
+
+  /**
+   * @class PriorityCondition
+   * @author Eric Crahen <http://www.code-foo.com>
+   * @date <2003-07-16T17:35:28-0400>
+   * @version 2.2.1
+   *
+   * A PriorityCondition is a Condition that is sensitive to thread priority.
+   *
+   * @see Condition
+   *
+   * <b>Scheduling</b>
+   *
+   * Threads blocked on a PriorityCondition are resumed in priority order, highest priority
+   * first
+   */
+  class ZTHREAD_API PriorityCondition : public Waitable, private NonCopyable {
+
+    PriorityConditionImpl* _impl;
+  
+  public:
+  
+    /**
+     * @see Condition::Condition(Lockable& l)
+     */
+    PriorityCondition(Lockable& l);
+
+    /**
+     * @see Condition::~Condition()
+     */
+    ~PriorityCondition();
+  
+    /**
+     * @see Condition::signal()
+     */
+    void signal();
+
+    /**
+     * @see Condition::broadcast()
+     */
+    void broadcast();
+
+    /**
+     * @see Condition::wait()
+     */
+    virtual void wait();
+
+    /**
+     * @see Condition::wait(unsigned long timeout)
+     */
+    virtual bool wait(unsigned long timeout);
+  
+  };
+  
+} // namespace ZThread
+
+#endif // __ZTPRIORITYCONDITION_H__