--- /dev/null
+/*! ========================================================================
+** Extended Template and Library
+** Mutex Abstraction Class Implementation
+** $Id: _condition.h,v 1.1.1.1 2005/01/04 01:31:47 darco Exp $
+**
+** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** General Public License for more details.
+**
+** === N O T E S ===========================================================
+**
+** This is an internal header file, included by other ETL headers.
+** You should not attempt to use it directly.
+**
+** ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __ETL__CONDITION_H_
+#define __ETL__CONDITION_H_
+
+/* === H E A D E R S ======================================================= */
+
+/* === M A C R O S ========================================================= */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+_ETL_BEGIN_NAMESPACE
+
+class condition : private mutex
+{
+ bool flag;
+public:
+ condition()
+ { flag=false; }
+ ~condition()
+ { }
+ void operator()()
+ { flag=true; }
+ void wait()
+ {
+ mutex::lock lock(*this);
+
+ while(!flag)Yield();
+ flag=false;
+ }
+ void wait_next()
+ {
+ mutex::lock lock(*this);
+
+ flag=false;
+ while(!flag)Yield();
+ }
+};
+
+_ETL_END_NAMESPACE
+
+/* === E X T E R N S ======================================================= */
+
+/* === E N D =============================================================== */
+
+#endif