2 // System.Runtime.InteropServices/RuntimeEnvironment.cs
5 // Dominik Fretz (roboto@gmx.net)
6 // Sebastien Pouliot (sebastien@ximian.com)
8 // (C) 2003 Dominik Fretz
9 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Reflection;
33 using System.Runtime.InteropServices;
34 using System.Security;
35 using System.Security.Permissions;
37 namespace System.Runtime.InteropServices
42 public class RuntimeEnvironment
44 public RuntimeEnvironment ()
48 public static string SystemConfigurationFile {
50 // GetMachineConfigPath is internal and not protected by CAS
51 string path = Environment.GetMachineConfigPath ();
52 if (SecurityManager.SecurityEnabled) {
53 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
59 public static bool FromGlobalAccessCache (Assembly a)
61 // yes, this will throw a NullReferenceException (just like MS, reported as ...)
62 return a.GlobalAssemblyCache;
65 public static string GetRuntimeDirectory ()
67 return Path.GetDirectoryName (typeof (int).Assembly.Location);
70 [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
71 public static string GetSystemVersion ()
73 return "v" + Environment.Version.Major + "." + Environment.Version.Minor + "." + Environment.Version.Build;