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From: robert@il.ft.hse.nl (Robert Klep)
Newsgroups: comp.unix.bsd.freebsd.misc,comp.unix.bsd.386bsd.misc,comp.unix.programmer,comp.unix.questions,comp.unix.internals
Subject: Re: revoke() system call
Date: 16 Jan 1996 16:59:21 +0100
Organization: LSD...melts in your mind, not in your hand
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rob@xs4all.nl (Rob J. Nauta):
>I want to compile a BSD 4.4 program (that uses forkpty()/openpty() from
>libc.a). I've grabbed pty.c and it works except that I am missing
>revoke(). This is a system call so I cannot get it from the libc.a
>source.
>Basically revoke() revokes all accesses to a file, other processes
>that have it open will get an error on further reading. I'll even
>settle for a revoke() that just works for a newly opened file by
>my process.
>Any ideas ?
If it's ok if it just works on a newly opened device, can't you make the
device un(read|write)able for anyone but yourself?
robert