Cleaning of interrupt lookup after process end

kernel/src/task.rs

@@ -100,6 +100,14 @@ impl Executor {
 
                     if let Poll::Ready(()) = task.poll(&mut cx) {
                         self.tasks.remove(id);
+                        self.interrupt_lookup.map(move |pid|{
+                            if let Some(pid) = pid{
+                                if pid == id {
+                                    return None;
+                                }
+                            }
+                            return pid;
+                        });
                     }
                 }
             }

sysdata/programs/timer_test/src/main.hb

@@ -2,9 +2,7 @@ sleep := @use("../../../libraries/stn/src/sleep.hb")
 log := @use("../../../libraries/stn/src/log.hb")
 
 main := fn(): int {
-	loop {
 	log.info("BEFORE\0")
 	sleep.sleep_until_interrupt(32)
 	log.info("AFTER\0")
 }
-}