void fail_open_set_controllers(struct fail_open *, struct rconn **, size_t n);
void fail_open_destroy(struct fail_open *);
void fail_open_wait(struct fail_open *);
void fail_open_set_controllers(struct fail_open *, struct rconn **, size_t n);
void fail_open_destroy(struct fail_open *);
void fail_open_wait(struct fail_open *);