1 files changed, 2 insertions, 0 deletions

diff --git a/uisimulator/sdl/thread-sdl.h b/uisimulator/sdl/thread-sdl.h
index 20641fb673..90dffd6806 100644
--- a/uisimulator/sdl/thread-sdl.h
+++ b/uisimulator/sdl/thread-sdl.h
@@ -24,6 +24,8 @@
 
 extern SDL_Thread *gui_thread;   /* The "main" thread */
 void kill_sim_threads();         /* Kill all the rockbox sim threads */
+void thread_sdl_lock(void); /* Sync with SDL threads */
+void thread_sdl_unlock(void); /* Sync with SDL threads */
 
 #endif /* #ifndef __THREADSDL_H__ */