diff --git a/libs/binder/RpcState.h b/libs/binder/RpcState.h
index 42e95e0..50de22b 100644
--- a/libs/binder/RpcState.h
+++ b/libs/binder/RpcState.h
@@ -177,7 +177,8 @@
 
     [[nodiscard]] status_t rpcSend(const sp<RpcSession::RpcConnection>& connection,
                                    const sp<RpcSession>& session, const char* what,
-                                   const void* data, size_t size);
+                                   const void* data, size_t size,
+                                   const std::function<status_t()>& altPoll = nullptr);
     [[nodiscard]] status_t rpcRec(const sp<RpcSession::RpcConnection>& connection,
                                   const sp<RpcSession>& session, const char* what, void* data,
                                   size_t size);