FixedMemoryPool.h

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#ifndef OS_WRAPPER_FIXED_MEMORY_POOL_H_INCLUDED
#define OS_WRAPPER_FIXED_MEMORY_POOL_H_INCLUDED
 
#include <cstddef>
#include "Timeout.h"
#include "OSWrapperError.h"
 
namespace OSWrapper {
 
class FixedMemoryPoolFactory;
 
void registerFixedMemoryPoolFactory(FixedMemoryPoolFactory* factory);
 
class FixedMemoryPool {
protected:
    virtual ~FixedMemoryPool() {}
 
public:
    static FixedMemoryPool* create(std::size_t blockSize, std::size_t memoryPoolSize, void* memoryPoolAddress = 0);
 
    static void destroy(FixedMemoryPool* p);
 
    static std::size_t getRequiredMemorySize(std::size_t blockSize, std::size_t numBlocks);
 
    virtual void* allocate() = 0;
 
    virtual void deallocate(void* p) = 0;
 
    virtual std::size_t getBlockSize() const = 0;
 
    virtual Error allocateMemory(void** memory);
 
    virtual Error tryAllocateMemory(void** memory);
 
    virtual Error timedAllocateMemory(void** memory, Timeout tmout);
 
    virtual std::size_t getNumberOfAvailableBlocks() const;
 
    virtual std::size_t getMaxNumberOfBlocks() const;
};
 
}
 
#endif // OS_WRAPPER_FIXED_MEMORY_POOL_H_INCLUDED