diff --git a/aos/linux_code/init.h b/aos/linux_code/init.h
index 0042533..c2b2635 100644
--- a/aos/linux_code/init.h
+++ b/aos/linux_code/init.h
@@ -16,6 +16,10 @@
 // exit gracefully).
 void Cleanup();
 
+// Sets up this process to write core dump files.
+// This is called by Init*.
+void WriteCoreDumps();
+
 }  // namespace aos
 
 #endif  // AOS_LINUX_CODE_INIT_H_