rw_lock.h

Go to the documentation of this file.

#ifndef READER_WRITER_LOCK_CLASS
#define READER_WRITER_LOCK_CLASS

/*****************************************************************************\
*                                                                             *
*  Name   : reader_writer_lock                                                *
*  Author : Chris Koeritz                                                     *
*                                                                             *
*******************************************************************************
* Copyright (c) 1998-$now By Author.  This program 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 is online at:      *
*     http://www.fsf.org/copyleft/gpl.html                                    *
* Please send any updates to: fred@gruntose.com                               *
\*****************************************************************************/

#include "mechanisms_dll.h"

#include <basis/object_base.h>


class MECHANISMS_CLASS_STYLE reader_writer_lock
{
public:
  reader_writer_lock();
  virtual ~reader_writer_lock();

  IMPLEMENT_CLASS_NAME("reader_writer_lock");

  void begin_read();

  void end_read();

  void begin_write();

  void end_write();

private:
  mutex *_write_lock;  
  int _reader_count;  
  mutex *_variable_lock;  
};

#endif

---