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

headers/private/net/net_stack.h

@@ -93,6 +93,8 @@ struct net_stack_module_info {
 	// timer
 	void (*init_timer)(struct net_timer *timer, net_timer_func hook, void *data);
 	void (*set_timer)(struct net_timer *timer, bigtime_t delay);
+	bool (*cancel_timer)(struct net_timer *timer);
+	bool (*is_timer_active)(struct net_timer *timer);
 };
 
 #endif	// NET_STACK_H