diff --git a/src/runtime/c/pgf/ipc.h b/src/runtime/c/pgf/ipc.h
index b5e020685..90cf35426 100644
--- a/src/runtime/c/pgf/ipc.h
+++ b/src/runtime/c/pgf/ipc.h
@@ -2,6 +2,9 @@
 #define IPC_H
 
 PGF_INTERNAL_DECL
-pthread_rwlock_t *pgf_acquire_file_rwlock(const char* file_path);
+pthread_rwlock_t *ipc_new_file_rwlock(const char* file_path);
+
+PGF_INTERNAL
+void ipc_release_file_rwlock(const char* file_path);
 
 #endif