Re: [RFC/PATCH] revoke/frevoke system calls V2

From: Alan Cox
Date: Wed Aug 09 2006 - 06:19:56 EST

Ar Mer, 2006-08-09 am 10:41 +0200, ysgrifennodd Edgar Toernig:
> > If I own the file I can make it a symlink to a pty/tty pair
> > I can revoke a pty/tty pair
> With the EIO/EOF behaviour that's not a problem - apps that deal
> with ttys have to expect that condition.

Think about it a moment - I can symlink any file to a tty/pty pair so
any file I own you open might be a tty.

> Hmm... which apps have an open fd on block devices? Usually a

cdrecord, cd audio players, eject, ....

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