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

From: Alan Cox
Date: Tue Aug 08 2006 - 07:54:08 EST

Ar Llu, 2006-08-07 am 17:24 -0500, ysgrifennodd Chase Venters:
> implementation is crude. "EBADF" is not something that applications are
> taught to expect. Someone correct me if I'm wrong, but I can think of no
> situation under which a file descriptor currently gets yanked out from
> under your feet -- you should always have to formally abandon it with
> close().

The file descriptor is not pulled from under you, the access to it is.
This is exactly what occurs today when a tty is hung up. That could be
almost any fd because paths could be symlinks to a pty/tty pair...

In the tty case you get -ENXIO


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