2 using System.Diagnostics;
3 using System.Threading;
4 using System.Threading.Tasks;
6 class CustomException : Exception
12 /* expected exit code: 255 */
13 static void Main (string[] args)
15 if (Environment.GetEnvironmentVariable ("TEST_UNHANDLED_EXCEPTION_HANDLER") != null)
16 AppDomain.CurrentDomain.UnhandledException += (s, e) => {};
18 ManualResetEvent mre = new ManualResetEvent (false);
20 ThreadPool.QueueUserWorkItem (_ => { try { throw new CustomException (); } finally { mre.Set (); } });
22 if (!mre.WaitOne (5000))
25 /* Give a chance to the threadpool thread to finish executing the exception unwinding
26 * after the finally, before we exit with status 0 on the current thread */