Return if add is successful

1 files changed, 1 insertions, 1 deletions

diff --git a/include/sys/schedule.h b/include/sys/schedule.h
index eb9d251..3015e98 100644
--- a/include/sys/schedule.h
+++ b/include/sys/schedule.h
@@ -53,7 +53,7 @@ struct Scheduler {
 };
 
 void init_scheduler(void);
-void add_thread(void* pc, void* arg, unsigned char priority);
+unsigned char add_thread(void* pc, void* arg, unsigned char priority);
 void uart_scheduler(void);
 struct Thread* next_thread(void);
 extern void schedule(void);