Function r2r_rcl::rcl_wait_set_add_guard_condition

source ยท 
pub unsafe extern "C" fn rcl_wait_set_add_guard_condition(
    wait_set: *mut rcl_wait_set_t,
    guard_condition: *const rcl_guard_condition_t,
    index: *mut usize,
) -> rcl_ret_t