60 lines
2.5 KiB
C#
60 lines
2.5 KiB
C#
// <copyright file="UnsafeNativeMethods.cs" company="Microsoft">
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// Copyright (c) 2009 Microsoft Corporation. All rights reserved.
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// </copyright>
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using System;
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using System.Collections;
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using System.Diagnostics.CodeAnalysis;
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using System.IO;
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using System.Runtime.ConstrainedExecution;
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using System.Runtime.InteropServices;
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using System.Runtime.Versioning;
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using System.Security;
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using System.Security.Permissions;
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using System.Text;
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namespace System.Runtime.Caching {
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[SuppressUnmanagedCodeSecurity]
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[SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage", Justification = "Grandfathered suppression from original caching code checkin")]
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[SecurityCritical]
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internal static class UnsafeNativeMethods {
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private const string KERNEL32 = "KERNEL32.DLL";
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private const string ADVAPI32 = "ADVAPI32.DLL";
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/*
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* KERNEL32.DLL
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*/
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[SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage", Justification = "Grandfathered suppression from original caching code checkin")]
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[DllImport(KERNEL32, CharSet=CharSet.Unicode)]
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internal extern static int GetModuleFileName(IntPtr module, StringBuilder filename, int size);
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[SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage", Justification = "Grandfathered suppression from original caching code checkin")]
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[DllImport(KERNEL32, CharSet=CharSet.Unicode)]
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internal extern static int GlobalMemoryStatusEx(ref MEMORYSTATUSEX memoryStatusEx);
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/*
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* ADVAPI32.DLL
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*/
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[SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage", Justification = "Grandfathered suppression from original caching code checkin")]
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[DllImport(ADVAPI32), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
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internal static extern int RegCloseKey(IntPtr hKey);
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}
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[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Unicode)]
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internal struct MEMORYSTATUSEX {
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internal int dwLength;
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internal int dwMemoryLoad;
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internal long ullTotalPhys;
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internal long ullAvailPhys;
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internal long ullTotalPageFile;
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internal long ullAvailPageFile;
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internal long ullTotalVirtual;
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internal long ullAvailVirtual;
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internal long ullAvailExtendedVirtual;
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internal void Init() {
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dwLength = Marshal.SizeOf(typeof(MEMORYSTATUSEX));
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}
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}
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}
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