51 lines
1.8 KiB
C#
51 lines
1.8 KiB
C#
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Runtime.InteropServices;
|
|
using System.Text;
|
|
|
|
namespace StatsViewer {
|
|
/// <summary>
|
|
/// Win32 API constants, structs, and wrappers for access via C#.
|
|
/// </summary>
|
|
class Win32 {
|
|
#region Constants
|
|
public enum MapAccess {
|
|
FILE_MAP_COPY = 0x0001,
|
|
FILE_MAP_WRITE = 0x0002,
|
|
FILE_MAP_READ = 0x0004,
|
|
FILE_MAP_ALL_ACCESS = 0x001f,
|
|
}
|
|
|
|
public const int GENERIC_READ = unchecked((int)0x80000000);
|
|
public const int GENERIC_WRITE = unchecked((int)0x40000000);
|
|
public const int OPEN_ALWAYS = 4;
|
|
public static readonly IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
|
|
#endregion
|
|
|
|
[DllImport("kernel32", SetLastError=true, CharSet=CharSet.Auto)]
|
|
public static extern IntPtr CreateFile (
|
|
String lpFileName, int dwDesiredAccess, int dwShareMode,
|
|
IntPtr lpSecurityAttributes, int dwCreationDisposition,
|
|
int dwFlagsAndAttributes, IntPtr hTemplateFile);
|
|
|
|
[DllImport("kernel32", SetLastError=true)]
|
|
public static extern IntPtr MapViewOfFile (
|
|
IntPtr hFileMappingObject, int dwDesiredAccess, int dwFileOffsetHigh,
|
|
int dwFileOffsetLow, int dwNumBytesToMap);
|
|
|
|
[DllImport("kernel32", SetLastError=true, CharSet=CharSet.Auto)]
|
|
public static extern IntPtr OpenFileMapping (
|
|
int dwDesiredAccess, bool bInheritHandle, String lpName);
|
|
|
|
[DllImport("kernel32", SetLastError=true)]
|
|
public static extern bool UnmapViewOfFile (IntPtr lpBaseAddress);
|
|
|
|
[DllImport("kernel32", SetLastError = true)]
|
|
public static extern bool CloseHandle(IntPtr handle);
|
|
}
|
|
}
|