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From: Philippe Troin <phil@fifi.org>
To: Denis Vlasenko <vda.linux@googlemail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: O_NONBLOCK setting "leak" outside of a process??
Date: 01 Feb 2007 15:15:53 -0800	[thread overview]
Message-ID: <87abzxbhau.fsf@tantale.fifi.org> (raw)
In-Reply-To: <200702020000.40524.vda.linux@googlemail.com>

Denis Vlasenko <vda.linux@googlemail.com> writes:

> What share the same file descriptor? MC and programs started from it?

All the processes started from your shell share at least fds 0, 1 and 2.
 
> I thought after exec() fds atre either closed (if CLOEXEC) or
> becoming independent from parent process
> (i.e. it you seek, close, etc your fd, parent would not notice that).
> 
> Am I wrong?

I'm afraid so.  Seek position and flags are still shared after an
exec.

Phil.

  reply	other threads:[~2007-02-01 23:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-27 20:52 Denis Vlasenko
2007-01-30  3:40 ` Philippe Troin
2007-02-01 23:00   ` Denis Vlasenko
2007-02-01 23:15     ` Philippe Troin [this message]
2007-02-02 12:10       ` Roland Kuhn
2007-02-02 13:48         ` Guillaume Chazarain
2007-02-02 15:04           ` Roland Kuhn
2007-02-02 18:59             ` Philippe Troin
2007-02-05 10:49               ` bert hubert
2007-02-04  0:55         ` David Schwartz
2007-02-04  1:22           ` Denis Vlasenko
2007-02-04  7:56             ` David Schwartz
2007-02-04 20:11               ` Michael Tokarev
2007-02-04 21:08                 ` David Schwartz

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