[PATCH 19/21] [terminal] guard open and close against repeated calls

[Ray Strode]

Hi,

On Thu, Mar 18, 2010 at 1:06 AM, Scott James Remnant <scott at ubuntu.com> wrote:
> Since we have a status flag whether or not the terminal fd is open,
> use it in the open and close functions to guard against repeated
> calls.

Should these be assertions?

--Ray