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https://github.com/eclipse-openvehicle-api/openvehicle-api.git
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57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
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#ifndef MEMORY_H
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#define MEMORY_H
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#include <map>
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#include <mutex>
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#include <support/pointer.h>
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#include <interfaces/mem.h>
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#include <support/component_impl.h>
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#include <support/mem_access.h>
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/**
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* @brief Memory Manager service
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*/
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class CMemoryManager : public sdv::core::IMemoryAlloc, public sdv::IInterfaceAccess, public sdv::internal::IInternalMemAlloc
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{
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public:
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BEGIN_SDV_INTERFACE_MAP()
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SDV_INTERFACE_ENTRY(sdv::core::IMemoryAlloc)
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END_SDV_INTERFACE_MAP()
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/**
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* @brief Allocate a memory block of the provided length. Overload of sdv::core::IMemoryAlloc::Allocate.
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* @param[in] uiLength The length of the memory block to allocate.
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* @return Smart pointer to the memory allocation or NULL when allocating was not possible.
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*/
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virtual sdv::pointer<uint8_t> Allocate(/*in*/ uint32_t uiLength) override;
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private:
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/**
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* @brief Allocate memory. Overload of internal::IInternalMemAlloc::Alloc.
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* @param[in] nSize The size of the memory to allocate (in bytes).
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* @return Pointer to the memory allocation or NULL when memory allocation failed.
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*/
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virtual void* Alloc(size_t nSize) override;
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/**
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* @brief Reallocate memory. Overload of internal::IInternalMemAlloc::Realloc.
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* @param[in] pData Pointer to a previous allocation or NULL when no previous allocation was available.
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* @param[in] nSize The size of the memory to allocate (in bytes).
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* @return Pointer to the memory allocation or NULL when memory allocation failed.
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*/
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virtual void* Realloc(void* pData, size_t nSize) override;
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/**
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* @brief Free a memory allocation. Overload of internal::IInternalMemAlloc::Free.
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* @param[in] pData Pointer to a previous allocation.
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*/
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virtual void Free(void* pData) override;
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#ifdef MEMORY_TRACKER
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std::mutex m_mtxTracker; ///< Synchronize map access
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std::map<void*, size_t> m_mapTracker; ///< Memory manager allocation tracker
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#endif
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};
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#endif // !define MEMORY_H
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