+++ /dev/null
-/*! ========================================================================
-** Extended Template and Library
-** Mutex Abstraction Class Implementation
-** $Id$
-**
-** 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__RWLOCK_H_
-#define __ETL__RWLOCK_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 read_write_lock : private Mutex
-{
-public:
-
- read_write_lock()
- { }
-
- ~read_write_lock()
- { }
-
- //! Exception-safe read-lock class
- class read_lock
- {
- read_write_lock *_mtx;
- public:
- read_lock(read_write_lock &x):_mtx(&x) { _mtx->lock_read(); }
- ~read_lock() { _mtx->unlock_read(); }
- read_write_lock &get() { return *_mtx; }
- };
-
- //! Exception-safe write-lock class
- class write_lock
- {
- read_write_lock *_mtx;
- public:
- write_lock(read_write_lock &x):_mtx(&x) { _mtx->lock_write(); }
- ~read_lock() { _mtx->unlock_write(); }
- read_write_lock &get() { return *_mtx; }
- };
-
- void lock_read(void)
- { lock_mutex(); }
-
- void lock_write(void)
- { lock_mutex(); }
-
- bool try_lock_read(void)
- { return try_lock_mutex(); }
-
- bool try_lock_write(void)
- { return try_lock_mutex(); }
-
- void unlock_write(void)
- { unlock_mutex(); }
-
- void unlock_read(void)
- { unlock_mutex(); }
-};
-
-_ETL_END_NAMESPACE
-
-/* === E X T E R N S ======================================================= */
-
-/* === E N D =============================================================== */
-
-#endif