mono/tests/gc-altstack.cs

   1 using System;
   2 using System.Threading;
   3 using System.Collections;
   4
   5 class T {
   6
   7         static bool finished = false;
   8
   9         static void segv () {
  10                 while (true) {
  11                         if (finished)
  12                                 break;
  13                         try {
  14                                 object o = null;
  15                                 o.ToString ();
  16                         } catch (NullReferenceException) {
  17                         }
  18                 }
  19         }
  20
  21         static void Main (string[] args) {
  22                 /* Test for running a GC while executing a SIGSEGV handler on an altstack */
  23                 Thread t = new Thread (delegate () {
  24                                 segv ();
  25                         });
  26
  27                 t.Start ();
  28
  29                 for (int i = 0; i < 100000; ++i) {
  30                         new ArrayList ();
  31                 }
  32
  33                 finished = true;
  34
  35                 t.Join ();
  36         }
  37 }
  38