mono/tests/cas/demand/sucs3.cs

   1 using System;
   2 using System.Runtime.InteropServices;
   3 using System.Security;
   4 using System.Security.Permissions;
   5
   6 public class Program {
   7
   8         // for Mono
   9         [DllImport ("libc", SetLastError=true)]
  10         [SuppressUnmanagedCodeSecurity]
  11         public static extern uint getuid ();
  12
  13         // for Microsoft
  14         [DllImport ("kernel32.dll", SetLastError=true)]
  15         [SuppressUnmanagedCodeSecurity]
  16         public static extern uint GetTickCount ();
  17
  18         static bool RunningOnMono ()
  19         {
  20                 bool mono = (Type.GetType ("Mono.Math.BigInteger") != null);
  21                 Console.WriteLine ("Running on {0} runtime...", mono ? "Mono" : "Microsoft");
  22                 return mono;
  23         }
  24
  25         static int Test ()
  26         {
  27                 try {
  28                         uint u = (RunningOnMono ()) ? getuid () : GetTickCount ();
  29                         Console.WriteLine ("*0* P/Invoke: {0}", u);
  30                         return 0;
  31                 }
  32                 catch (SecurityException se) {
  33                         Console.WriteLine ("*1* Unexpected SecurityException\n{0}", se);
  34                         return 1;
  35                 }
  36                 catch (Exception e) {
  37                         Console.WriteLine ("*2* Unexpected exception\n{0}", e);
  38                         return 2;
  39                 }
  40         }
  41
  42         [SecurityPermission (SecurityAction.Deny, UnmanagedCode=true)]
  43         static int Main ()
  44         {
  45                 return Test ();
  46         }
  47 }