Re: [TTY] exclusive mode question

From: moreau francis
Date: Thu Jun 09 2005 - 09:25:34 EST



--- Frederik Deweerdt <dev.deweerdt@xxxxxxxxxxx> a écrit :

> Le 09/06/05 13:41 +0200, moreau francis écrivit:
> >
> > oh ok...sorry I misunderstood TIOEXCL meaning ;)
> > Do you know how I could implement such exclusive mode (the one I described)
> ?
> >
> This is handled through lock files, google for LCK..ttyS0
>

This lock mechanism is a convention but nothing prevent a user application to
issue a "echo foo > /dev/ttyS0" command while "LCK..ttyS0" file exists...

Francis





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