OW_RefCount.hpp

Go to the documentation of this file.
00001 /*******************************************************************************
00002  * Copyright (C) 2001-2004 Vintela, Inc. All rights reserved.
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions are met:
00006  *
00007  *  - Redistributions of source code must retain the above copyright notice,
00008  *    this list of conditions and the following disclaimer.
00009  *
00010  *  - Redistributions in binary form must reproduce the above copyright notice,
00011  *    this list of conditions and the following disclaimer in the documentation
00012  *    and/or other materials provided with the distribution.
00013  *
00014  *  - Neither the name of Vintela, Inc. nor the names of its
00015  *    contributors may be used to endorse or promote products derived from this
00016  *    software without specific prior written permission.
00017  *
00018  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00019  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00020  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00021  * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc. OR THE CONTRIBUTORS
00022  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00023  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00024  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00025  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00026  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00027  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00028  * POSSIBILITY OF SUCH DAMAGE.
00029  ******************************************************************************/
00030 
00035 #ifndef OW_REF_COUNT_HPP_
00036 #define OW_REF_COUNT_HPP_
00037 #include "OW_config.h"
00038 #include "OW_AtomicOps.hpp"
00039 
00040 // The classes and functions defined in this file are not meant for general
00041 // use, they are internal implementation details.  They may change at any time.
00042 
00043 namespace OW_NAMESPACE
00044 {
00045 
00047 class OW_COMMON_API RefCount
00048 {
00049 public:
00050    RefCount()
00051       : m_count(1)
00052    {
00053    }
00054    RefCount(Atomic_t c)
00055       : m_count(c)
00056    {
00057    }
00058    void inc()
00059    {
00060       AtomicInc(m_count);
00061    }
00062    bool decAndTest()
00063    {
00064       return AtomicDecAndTest(m_count);
00065    }
00066    int get() const
00067    {
00068       return AtomicGet(m_count);
00069    }
00070 private:
00071    Atomic_t m_count;
00072 };
00073 
00074 } // end namespace OW_NAMESPACE
00075 
00076 #endif

Generated on Thu Feb 9 08:48:10 2006 for openwbem by  doxygen 1.4.6