openssl_tls_callback_t *vpp_add_async_pending_event (tls_ctx_t * ctx,
openssl_resume_handler *
handler);
+int vpp_add_async_run_event (tls_ctx_t * ctx, openssl_resume_handler *
+ handler);
void openssl_polling_start (ENGINE * engine);
int openssl_engine_register (char *engine, char *alg);
void openssl_async_node_enable_disable (u8 is_en);