IHostMAlloc Interface

Provides methods that allow the common language runtime (CLR) to request fine-grained allocations from the heap through the host.

interface IHostMalloc : IUnknown {
    HRESULT Alloc (
        [in] SIZE_T cbSize, 
        [in] EMemoryCriticalLevel dwCriticalLevel, 
        [out] void** ppMem
    );
    HRESULT DebugAlloc (
        [in] SIZE_T cbSize, 
        [in] EMemoryCriticalLevel dwCriticalLevel, 
        [in] char* pszFileName, 
        [in] int iLineNo, 
        [out] void** ppMem
    );
    HRESULT Free (
        [in] void* pMem
    );
}

Method

Description

IHostMAlloc::Alloc Method

Requests that the host allocate the requested amount of memory from the heap.

IHostMAlloc::DebugAlloc Method

Requests that the host allocate the requested amount of memory from the heap, and additionally track where the memory was allocated.

IHostMAlloc::Free Method

Frees memory that was allocated by using the Alloc method.

The CLR gets an interface pointer to an IHostMalloc instance by calling the IHostMemoryManager::CreateMAlloc method.

Platforms: See .NET Framework System Requirements.

Header: MSCorEE.idl

Library: Included as a resource in MSCorEE.dll

.NET Framework Versions: 3.5 SP1, 3.5, 3.0 SP1, 3.0, 2.0 SP1, 2.0

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