@@ -620,10 +620,67 @@
 					 target: self
 				       selector: selector
 					 object: object1
 					 object: object2
 					repeats: NO];
+
+	objc_autoreleasePoolPop(pool);
+}
+
+- (void)performSelector: (SEL)selector
+	       onThread: (OFThread*)thread
+	  waitUntilDone: (BOOL)waitUntilDone
+{
+	void *pool = objc_autoreleasePoolPush();
+	OFTimer *timer = [OFTimer timerWithTimeInterval: 0
+						 target: self
+					       selector: selector
+						repeats: NO];
+	[[thread runLoop] addTimer: timer];
+
+	if (waitUntilDone)
+		[timer waitUntilDone];
+
+	objc_autoreleasePoolPop(pool);
+}
+
+- (void)performSelector: (SEL)selector
+	       onThread: (OFThread*)thread
+	     withObject: (id)object
+	  waitUntilDone: (BOOL)waitUntilDone
+{
+	void *pool = objc_autoreleasePoolPush();
+	OFTimer *timer = [OFTimer timerWithTimeInterval: 0
+						 target: self
+					       selector: selector
+						 object: object
+						repeats: NO];
+	[[thread runLoop] addTimer: timer];
+
+	if (waitUntilDone)
+		[timer waitUntilDone];
+
+	objc_autoreleasePoolPop(pool);
+}
+
+- (void)performSelector: (SEL)selector
+	       onThread: (OFThread*)thread
+	     withObject: (id)object1
+	     withObject: (id)object2
+	  waitUntilDone: (BOOL)waitUntilDone
+{
+	void *pool = objc_autoreleasePoolPush();
+	OFTimer *timer = [OFTimer timerWithTimeInterval: 0
+						 target: self
+					       selector: selector
+						 object: object1
+						 object: object2
+						repeats: NO];
+	[[thread runLoop] addTimer: timer];
+
+	if (waitUntilDone)
+		[timer waitUntilDone];
 
 	objc_autoreleasePoolPop(pool);
 }
 
 - (void)performSelector: (SEL)selector