From f8753a41c1476b58de7673708c5b6f5b0b34790b Mon Sep 17 00:00:00 2001
From: Andrew McCallum <mccallum@gnu.org>
Date: Thu, 7 Mar 1996 02:30:04 +0000
Subject: [PATCH] ([Port -invalidate]): Insist that is_valid is true at the
 beginning of this method, don't test it and skip the body of this method. 
 Force users to be careful about calling -invalidate more than once.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1088 72102866-910b-0410-8b05-ffd578937521
---
 Source/Port.m | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/Source/Port.m b/Source/Port.m
index e31d97f82..c8acbba5e 100644
--- a/Source/Port.m
+++ b/Source/Port.m
@@ -65,13 +65,12 @@
 
 - (void) invalidate
 {
-  if (is_valid)
-    {
-      [NotificationDispatcher
-	postNotificationName: PortBecameInvalidNotification 
-	object: self];
-      is_valid = NO;
-    }
+  assert (is_valid);
+
+  [NotificationDispatcher
+    postNotificationName: PortBecameInvalidNotification 
+    object: self];
+  is_valid = NO;
 }
 
 - (Class) packetClass