Changes made in Rochester. See ChangeLog

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1650 72102866-910b-0410-8b05-ffd578937521

Source/NotificationDispatcher.m

@@ -182,7 +182,8 @@
 @implementation NotificationDispatcher
 
 /* The default instance, most often the only one created.
-   It is accessed by the class methods at the end of this file. */
+   It is accessed by the class methods at the end of this file.
+   There is no need to mutex locking of this variable. */
 static NotificationDispatcher *default_notification_dispatcher = nil;
 
 + (void) initialize
@@ -219,9 +220,21 @@ static NotificationDispatcher *default_notification_dispatcher = nil;
     NSCreateMapTable (NSNonOwnedPointerOrNullMapKeyCallBacks,
 		      NSObjectMapValueCallBacks, 0);
 
+  _lock = [NSRecursiveLock new];
+
   return self;
 }
 
+- (void) dealloc
+{
+  [_anonymous_nr_list release];
+  NSFreeMapTable( _object_2_nr_list);
+  NSFreeMapTable (_name_2_nr_list);
+  NSFreeMapTable (_observer_2_nr_array);
+  [_lock release];
+  [super dealloc];
+}
+
 
 /* Adding new observers. */
 
@@ -237,6 +250,8 @@ static NotificationDispatcher *default_notification_dispatcher = nil;
   if (!observer)
     return;
 
+  [_lock lock];
+
   /* Record the notification request in an array keyed by OBSERVER. */
   {
     /* Find the array of all the requests by OBSERVER. */
@@ -298,6 +313,8 @@ static NotificationDispatcher *default_notification_dispatcher = nil;
 	}
       [nr_list appendObject: nr];
     }
+
+  [_lock unlock];
 }
 
 - (void) addInvocation: (id <Invoking>)invocation
@@ -435,6 +452,8 @@ static NotificationDispatcher *default_notification_dispatcher = nil;
   if (!observer)
     return;
 
+  [_lock lock];
+
   /* Get the array of NotificationRequest's associated with OBSERVER. */
   observer_nr_array = NSMapGet (_observer_2_nr_array, observer);
 
@@ -454,6 +473,8 @@ static NotificationDispatcher *default_notification_dispatcher = nil;
      associated with OBSERVER.  This also releases the observer_nr_array,
      and its contents. */
   NSMapRemove (_observer_2_nr_array, observer);
+
+  [_lock unlock];
 }
 
 
@@ -473,6 +494,8 @@ static NotificationDispatcher *default_notification_dispatcher = nil;
 
   /* We are now guaranteed that at least one of NAME and OBJECT is non-nil. */
 
+  [_lock lock];
+
   /* Get the list of NotificationRequest's associated with OBSERVER. */
   observer_nr_array = NSMapGet (_observer_2_nr_array, observer);
 
@@ -508,6 +531,8 @@ static NotificationDispatcher *default_notification_dispatcher = nil;
     /* xxx If there are some LinkedList's that are empty, I should
        remove them from the map table's. */
   }
+
+  [_lock unlock];
 }
 
 
@@ -526,6 +551,8 @@ static NotificationDispatcher *default_notification_dispatcher = nil;
     [NSException raise: NSInvalidArgumentException
 		 format: @"Tried to post a notification with no name."];
 
+  [_lock lock];
+
   /* Post the notification to all the observers that specified neither
      NAME or OBJECT. */
   if ([_anonymous_nr_list count])
@@ -566,6 +593,8 @@ static NotificationDispatcher *default_notification_dispatcher = nil;
 	}
       END_FOR_COLLECTION (nr_list);
     }
+
+  [_lock unlock];
 }
 
 - (void) postNotificationName: (id <String>)name