Messages in this thread | | | Date | Thu, 9 Jun 2005 16:22:49 +0200 (CEST) | From | moreau francis <> | Subject | Re: [TTY] exclusive mode question |
| |
--- Frederik Deweerdt <dev.deweerdt@laposte.net> 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
___________________________________________________________________________ Appel audio GRATUIT partout dans le monde avec le nouveau Yahoo! Messenger Téléchargez cette version sur http://fr.messenger.yahoo.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |