src/System.Private.CoreLib/shared/Interop/Windows/Kernel32/Interop.VirtualAlloc.cs


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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System;
using System.Runtime.InteropServices;

internal partial class Interop
{
    internal partial class Kernel32
    {
        internal const int MEM_COMMIT = 0x1000;
        internal const int MEM_RESERVE = 0x2000;
        internal const int MEM_RELEASE = 0x8000;
        internal const int MEM_FREE = 0x10000;
        internal const int PAGE_READWRITE = 0x04;

#if ENABLE_WINRT
        [DllImport(Libraries.Kernel32, EntryPoint = "VirtualAllocFromApp")]
        internal static extern unsafe void* VirtualAlloc(void* BaseAddress, UIntPtr Size, int AllocationType, int Protection);
#else
        [DllImport(Libraries.Kernel32)]
        internal static extern unsafe void* VirtualAlloc(void* lpAddress, UIntPtr dwSize, int flAllocationType, int flProtect);
#endif
    }
}