blocxx

AutoDescriptor.hpp

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00001 /*******************************************************************************
00002 * Copyright (C) 2005, Quest Software, Inc. All rights reserved.
00003 * Copyright (C) 2006, Novell, Inc. All rights reserved.
00004 * 
00005 * Redistribution and use in source and binary forms, with or without
00006 * modification, are permitted provided that the following conditions are met:
00007 * 
00008 *     * Redistributions of source code must retain the above copyright notice,
00009 *       this list of conditions and the following disclaimer.
00010 *     * Redistributions in binary form must reproduce the above copyright
00011 *       notice, this list of conditions and the following disclaimer in the
00012 *       documentation and/or other materials provided with the distribution.
00013 *     * Neither the name of 
00014 *       Quest Software, Inc., 
00015 *       nor Novell, Inc., 
00016 *       nor the names of its contributors or employees may be used to 
00017 *       endorse or promote products derived from this software without 
00018 *       specific prior written permission.
00019 * 
00020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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00022 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00023 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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00032 
00033 
00034 #ifndef BLOCXX_AUTO_DESCRIPTOR_HPP_INCLUDE_GUARD_
00035 #define BLOCXX_AUTO_DESCRIPTOR_HPP_INCLUDE_GUARD_
00036 
00041 #include "blocxx/BLOCXX_config.h"
00042 #include "blocxx/AutoResource.hpp"
00043 #include "blocxx/Types.hpp"
00044 
00045 namespace BLOCXX_NAMESPACE
00046 {
00047 
00048    struct BLOCXX_COMMON_API AutoDescriptorPolicy
00049    {
00050       typedef Descriptor handle_type;
00051 
00052       static handle_type null()
00053       {
00054          return BLOCXX_INVALID_HANDLE;
00055       }
00056 
00057       static void free(handle_type h);
00058 
00059       static bool equal(handle_type h1, handle_type h2)
00060       {
00061          return h1 == h2;
00062       }
00063    };
00064 
00069    typedef AutoResource<AutoDescriptorPolicy> AutoDescriptor;
00070 
00071 } // namespace BLOCXX_NAMESPACE
00072 
00073 #endif