Function switch_socket_timeout_get 

pub unsafe extern "C" fn switch_socket_timeout_get(
    sock: *mut switch_socket_t,
    t: *mut switch_interval_time_t,
) -> switch_status_t

Query socket timeout for the specified socket @param sock The socket to query @param t Socket timeout returned from the query.

  t > 0  -- read and write calls return APR_TIMEUP if specified time
            elapsess with no data read or written
  t == 0 -- read and write calls never block
  t < 0  -- read and write calls block