mono/tests/cas/threads/thread3.cs

   1 using System;
   2 using System.Security;
   3 using System.Security.Permissions;
   4 using System.Threading;
   5
   6 class Program {
   7
   8         static void ThreadProc ()
   9         {
  10                 if (debug)
  11                         Console.WriteLine (Environment.StackTrace);
  12
  13                 Thread.Sleep (1000);
  14                 try {
  15                         // this will work
  16                         Environment.Exit (0);
  17                         Console.WriteLine ("UNEXPECTED execution");
  18                 }
  19                 catch (SecurityException se) {
  20                         Console.WriteLine ("UNEXPECTED SecurityException {0}", se);
  21                 }
  22         }
  23
  24         static bool debug;
  25
  26         // this Deny _WONT_ prevent Environment.Exit from working
  27         // even if the Deny is executed prior to the call
  28         [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
  29         static int End ()
  30         {
  31                 Thread.Sleep (2000);
  32                 return 1;
  33         }
  34
  35         static int Main (string[] args)
  36         {
  37                 debug = (args.Length > 0);
  38                 Thread t = new Thread (new ThreadStart (ThreadProc));
  39                 t.Start ();
  40
  41                 return End ();
  42         }
  43 }