Post the NSThreadWillExit notification when unregistering alien threads

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@9450 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -7,8 +7,9 @@
 
 	* Source/NSThread.m (GSRegisterCurrentThread): Call
 	objc_thread_add before creating the NSThread object using a method
-	call.
-
+	call.  (GSUnregisterCurrentThread): Post the NSThreadWillExit
+	notification.
+	
 2001-03-19  Jonathan Gapen  <jagapen@home.com>
 
 	* Source/NSString.m: In ([-rangeOfComposedCharacterSequenceAtIndex:]),

Headers/gnustep/base/NSThread.h

@@ -93,7 +93,8 @@ GS_EXPORT BOOL GSRegisterCurrentThread (void);
  * registerCurrentThread ().  This method is basically the same as
  * `+exit', but does not exit the thread - just destroys all objects
  * associated with the thread.  Warning: using any GNUstep code after
- * this method call is not safe.  */
+ * this method call is not safe.  Posts an NSThreadWillExit
+ * notification. x*/
 GS_EXPORT void GSUnregisterCurrentThread (void);
 #endif
 

Source/NSThread.m

@@ -475,15 +475,35 @@ void
 GSUnregisterCurrentThread (void)
 {
   NSThread *thread;
+  static NSNotificationCenter *nc = nil;
+  static Class notificationClass = Nil;
 
+  if (nc == nil)
+    {
+      nc = [NSNotificationCenter defaultCenter];
+      notificationClass = [NSNotification class];
+    }
+  
   thread = GSCurrentThread();
   
   if (thread->_active == YES)
     {
+      NSNotification	*n;
+      
       /*
        * Set the thread to be inactive to avoid any possibility of recursion.
        */
       thread->_active = NO;
+      
+      /*
+       * Let observers know this thread is exiting.
+       */
+      n = [notificationClass alloc];
+      n = [n initWithName: NSThreadWillExitNotification
+	           object: thread
+	         userInfo: nil];
+      [nc postNotification: n];
+      RELEASE(n);
 
       /*
        * destroy the thread object.