1 files changed, 75 insertions, 0 deletions
diff --git a/tools/stats_viewer/win32.cs b/tools/stats_viewer/win32.cs
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+++ b/tools/stats_viewer/win32.cs
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+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);
+  }
+}