Re: Can't re-open serial port after closing it
Re: Can't re-open serial port after closing it
- Subject: Re: Can't re-open serial port after closing it
- From: Tilghman Lesher <email@hidden>
- Date: Sat, 14 Jul 2012 11:12:27 -0500
On Fri, Jul 13, 2012 at 9:26 PM, Rick Mann <email@hidden> wrote:
> One last thing I don't understand: I set the FD to TIOCEXCL, which my comment says will disallow multiple opens, and which my own code experiences (it comes back as busy), but which -readInBackgroundAndNotify doesn't seem to have a problem with.
It's probably using dup2() on the file descriptor.
-Tilghman
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