catch exception

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@25722 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,8 @@
+2007-12-11  Richard Frith-Macdonald <rfm@gnu.org>
+
+	* Source/NSUserDefaults.m: catch any exception if som eone breaks our
+	lock on the defaults file.
+
 2007-12-11  Richard Frith-Macdonald <rfm@gnu.org>
 
 	* Source/NSIndexSet.m: Test and debug ([-initWithCoder:])

Source/NSUserDefaults.m

@@ -1456,7 +1456,17 @@ static BOOL isLocked = NO;
 
 - (void) unlockDefaultsFile
 {
-  [_fileLock unlock];
+  NS_DURING
+    {
+      [_fileLock unlock];
+    }
+  NS_HANDLER
+    {
+      NSLog(@"Warning ... someone broke our lock (%@) ... and may have"
+        @" interfered with updating defaults data in file.", 
+        [_defaultsDatabase stringByAppendingPathExtension: @"lck"]);
+    }
+  NS_ENDHANDLER
   isLocked = NO;
 }