Added two more utility functions to the timer service:

* cancel_timer() cancels a timer, and returns true if the timer was running
* is_timer_active() determines if the timer is currently running or not.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19393 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kits/net/tcp_tester.cpp

@@ -186,6 +186,8 @@ static net_stack_module_info gNetStackModule = {
 
 	init_timer,
 	set_timer,
+	cancel_timer,
+	is_timer_active,
 };