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Diffstat (limited to 'src/mem/gems_common/RefCnt.hh')
| -rw-r--r-- | src/mem/gems_common/RefCnt.hh | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/src/mem/gems_common/RefCnt.hh b/src/mem/gems_common/RefCnt.hh deleted file mode 100644 index 75160fc80..000000000 --- a/src/mem/gems_common/RefCnt.hh +++ /dev/null @@ -1,164 +0,0 @@ -/* - * Copyright (c) 1999-2005 Mark D. Hill and David A. Wood - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef REFCNT_H -#define REFCNT_H - -#include <iostream> - -template <class TYPE> -class RefCnt { -public: - // Constructors - RefCnt(); - RefCnt(const TYPE& data); - - // Destructor - ~RefCnt(); - - // Public Methods - const TYPE* ref() const { return m_data_ptr; } - TYPE* ref() { return m_data_ptr; } - TYPE* mod_ref() const { return m_data_ptr; } - void freeRef(); - void print(std::ostream& out) const; - - // Public copy constructor and assignment operator - RefCnt(const RefCnt& obj); - RefCnt& operator=(const RefCnt& obj); - -private: - // Private Methods - - // Data Members (m_ prefix) - TYPE* m_data_ptr; - // int* m_count_ptr; // Not used yet -}; - -// Output operator declaration -template <class TYPE> -inline -std::ostream& operator<<(std::ostream& out, const RefCnt<TYPE>& obj); - -// ******************* Definitions ******************* - -// Constructors -template <class TYPE> -inline -RefCnt<TYPE>::RefCnt() -{ - m_data_ptr = NULL; -} - -template <class TYPE> -inline -RefCnt<TYPE>::RefCnt(const TYPE& data) -{ - m_data_ptr = data.clone(); - m_data_ptr->setRefCnt(1); -} - -template <class TYPE> -inline -RefCnt<TYPE>::~RefCnt() -{ - freeRef(); -} - -template <class TYPE> -inline -void RefCnt<TYPE>::freeRef() -{ - if (m_data_ptr != NULL) { - m_data_ptr->decRefCnt(); - if (m_data_ptr->getRefCnt() == 0) { - m_data_ptr->destroy(); - } - m_data_ptr = NULL; - } -} - -template <class TYPE> -inline -void RefCnt<TYPE>::print(std::ostream& out) const -{ - if (m_data_ptr == NULL) { - out << "[RefCnt: Null]"; - } else { - out << "[RefCnt: "; - m_data_ptr->print(out); - out << "]"; - } -} - -// Copy constructor -template <class TYPE> -inline -RefCnt<TYPE>::RefCnt(const RefCnt<TYPE>& obj) -{ - // m_data_ptr = obj.m_data_ptr->clone(); - m_data_ptr = obj.m_data_ptr; - - // Increment the reference count - if (m_data_ptr != NULL) { - m_data_ptr->incRefCnt(); - } -} - -// Assignment operator -template <class TYPE> -inline -RefCnt<TYPE>& RefCnt<TYPE>::operator=(const RefCnt<TYPE>& obj) -{ - if (this == &obj) { - // If this is the case, do nothing - // assert(false); - } else { - freeRef(); - m_data_ptr = obj.m_data_ptr; - if (m_data_ptr != NULL) { - m_data_ptr->incRefCnt(); - } - } - return *this; -} - - -// Output operator definition -template <class TYPE> -inline -std::ostream& operator<<(std::ostream& out, const RefCnt<TYPE>& obj) -{ - obj.print(out); - out << std::flush; - return out; -} - - - -#endif //REFCNT_H |