Remove ancient trunk folder from svn repository

[synfig.git] / ETL / ETL / _mutex_pthreads_simple.h

diff --git a/ETL/ETL/_mutex_pthreads_simple.h b/ETL/ETL/_mutex_pthreads_simple.h
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+/*! ========================================================================
+** Extended Template and Library
+** Mutex Abstraction Class Implementation
+** $Id$
+**
+** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** Copyright (c) 2008 Chris Moore
+**
+** 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__MUTEX_PTHREADS_SIMPLE_H_
+#define __ETL__MUTEX_PTHREADS_SIMPLE_H_
+
+/* === H E A D E R S ======================================================= */
+
+#include <pthread.h>
+
+/* === M A C R O S ========================================================= */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+_ETL_BEGIN_NAMESPACE
+
+class mutex
+{
+       pthread_mutex_t mtx;
+public:
+                       mutex()                 { pthread_mutex_init(&mtx,NULL);        }
+                  ~mutex()                     { pthread_mutex_destroy(&mtx);          }
+       void    lock_mutex()    { pthread_mutex_lock(&mtx);                     }
+       void    unlock_mutex()  { pthread_mutex_unlock(&mtx);           }
+
+       //! Exception-safe mutex lock class
+       class lock
+       {
+               mutex *_mtx;
+       public:
+                lock(mutex &x):_mtx(&x)        { _mtx->lock_mutex();           }
+               ~lock()                                         { _mtx->unlock_mutex();         }
+       };
+};
+
+_ETL_END_NAMESPACE
+
+/* === E N D =============================================================== */
+
+#endif