Function apr_socket_timeout_set 

pub unsafe extern "C" fn apr_socket_timeout_set(
    sock: *mut apr_socket_t,
    t: apr_interval_time_t,
) -> apr_status_t

Setup socket timeout for the specified socket @param sock The socket to set up. @param t Value for the timeout.

  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