| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _SALHELPER_REFOBJ_HXX_ |
| #define _SALHELPER_REFOBJ_HXX_ |
| |
| #include <sal/types.h> |
| #include <rtl/alloc.h> |
| #include <rtl/ref.hxx> |
| #include <osl/diagnose.h> |
| #include <osl/interlck.h> |
| |
| namespace salhelper |
| { |
| |
| //---------------------------------------------------------------------------- |
| |
| class ReferenceObject : public rtl::IReference |
| { |
| /** Representation. |
| */ |
| oslInterlockedCount m_nReferenceCount; |
| |
| /** Not implemented. |
| */ |
| ReferenceObject (const ReferenceObject&); |
| ReferenceObject& operator= (const ReferenceObject&); |
| |
| public: |
| /** Allocation. |
| */ |
| static void* operator new (size_t n) SAL_THROW(()) |
| { |
| return ::rtl_allocateMemory (n); |
| } |
| static void operator delete (void* p) SAL_THROW(()) |
| { |
| ::rtl_freeMemory (p); |
| } |
| static void* operator new (size_t, void* p) SAL_THROW(()) |
| { |
| return (p); |
| } |
| static void operator delete (void*, void*) SAL_THROW(()) |
| {} |
| |
| public: |
| /** Construction. |
| */ |
| inline ReferenceObject() SAL_THROW(()) : m_nReferenceCount (0) |
| {} |
| |
| |
| /** IReference. |
| */ |
| virtual oslInterlockedCount SAL_CALL acquire() SAL_THROW(()) |
| { |
| return ::osl_incrementInterlockedCount (&m_nReferenceCount); |
| } |
| |
| virtual oslInterlockedCount SAL_CALL release() SAL_THROW(()) |
| { |
| oslInterlockedCount result; |
| result = ::osl_decrementInterlockedCount (&m_nReferenceCount); |
| if (result == 0) |
| { |
| // Last reference released. |
| delete this; |
| } |
| return (result); |
| } |
| |
| protected: |
| /** Destruction. |
| */ |
| virtual ~ReferenceObject() SAL_THROW(()) |
| { |
| OSL_ASSERT(m_nReferenceCount == 0); |
| } |
| }; |
| |
| //---------------------------------------------------------------------------- |
| |
| } // namespace salhelper |
| |
| #endif /* !_SALHELPER_REFOBJ_HXX_ */ |