From ff60212cd6782d553deff750bab582bf2d36d765 Mon Sep 17 00:00:00 2001
From: jfrijters <jfrijters>
Date: Thu, 11 Feb 2010 09:50:26 +0000
Subject: [PATCH] Ignore SecurityException when trying to register Ctrl-Break
 handler.

---
 runtime/openjdk.cs | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/runtime/openjdk.cs b/runtime/openjdk.cs
index e8b305b6..f21f1a09 100644
--- a/runtime/openjdk.cs
+++ b/runtime/openjdk.cs
@@ -5473,7 +5473,7 @@ namespace IKVM.NativeCode.sun.misc
             }
         }
 
-        private static CriticalCtrlHandler defaultConsoleCtrlDelegate;
+        private static object defaultConsoleCtrlDelegate;
 
         private static bool ConsoleCtrlCheck(CtrlTypes ctrlType)
         {
@@ -5537,6 +5537,12 @@ namespace IKVM.NativeCode.sun.misc
             return -1;
         }
 
+		// this is a separate method to be able to catch the SecurityException (for the LinkDemand)
+		private static void RegisterCriticalCtrlHandler()
+		{
+			defaultConsoleCtrlDelegate = new CriticalCtrlHandler();
+		}
+
         // Register a signal handler
         public static long handle0(int sig, long nativeH)
         {
@@ -5547,7 +5553,13 @@ namespace IKVM.NativeCode.sun.misc
                 case 0: // Default Signal Handler
                     if (defaultConsoleCtrlDelegate == null && Environment.OSVersion.Platform == PlatformID.Win32NT)
                     {
-                        defaultConsoleCtrlDelegate = new CriticalCtrlHandler();
+						try
+						{
+							RegisterCriticalCtrlHandler();
+						}
+						catch (System.Security.SecurityException)
+						{
+						}
                     }
                     break;
                 case 1: // Ignore Signal