Reading serial ports with a timeout...

[Marc Lehmann]

On Fri, Jul 19, 2013 at 05:07:59PM +0100, Dirk Koopman <djk at tobit.co.uk> wrote:
> type. But I want to place a timeout on that push_read, such that the
> push_read exits cleanly (with, by definition, no or not enough valid
> data).

You can set an "rtimeout" to detetc the timeout. There is, however, no
way to undo a push_read. You can destroy the handle and create a new one,
which will effectively remove all outstanding pushed reads.

-- 
                The choice of a       Deliantra, the free code+content MORPG
      -----==-     _GNU_              http://www.deliantra.net
      ----==-- _       generation
      ---==---(_)__  __ ____  __      Marc Lehmann
      --==---/ / _ \/ // /\ \/ /      schmorp at schmorp.de
      -=====/_/_//_/\_,_/ /_/\_\