FreeListPager.h

// FreeListPager.h
//
 
namespace nkMemory
{
    template <typename T>
    struct FreeListAllocation
    {
        T _allocation ;
 
        unsigned long long _index ;
    } ;
}
 
namespace nkMemory
{
    template <typename T = char*, typename U = DefaultMemorySpace>
    class FreeListPager final
    {
        public :
 
            FreeListPager (unsigned long long pageSize, UniquePtr<MemorySpaceAllocator<U>> allocator = makeUnique<DefaultMemorySpaceAllocator<U>>()) noexcept ;
            FreeListPager (const FreeListPager&) noexcept = delete ;
            FreeListPager (FreeListPager&&) noexcept = default ;
 
            // Getters
            unsigned long long getPageSize () const ;
            unsigned long long getAllocatedPageCount () const ;
            const FreeListMemorySpaceWrapper<T, U>& getPage (unsigned long long index) ;
 
            // Allocations
            FreeListAllocation<T> allocate (unsigned long long size, unsigned long long alignment = 1) ;
            void free (unsigned long long allocationIndex) ;
 
        public :
 
            // Operators
            FreeListPager& operator= (const FreeListPager&) noexcept = delete ;
            FreeListPager& operator= (FreeListPager&&) noexcept = default ;
    } ;
}