On Sat, Jan 30, 2016 at 04:31:06PM +0300, Yuriy M. Kaminskiy wrote:
> From 64d1e9d905455b8177d65ad58ca2b403bbe8222c Mon Sep 17 00:00:00 2001
> From: "Yuriy M. Kaminskiy" <yumkam@xxxxxxxxx>
> Date: Sat, 30 Jan 2016 16:18:39 +0300
> Subject: [PATCH] unshare: fix busyloop and reduce racing probability
>
> Replace busy-loop with waiting on pipe from parent.
>
> Note: reduces racing probability, but still there are window where
> it is possible (if parent unshare process will be [externally] killed
> between successful read(fds[0]) and mount() calls).
>
> Signed-off-by: Yuriy M. Kaminskiy <yumkam@xxxxxxxxx>
> ---
> sys-utils/unshare.c | 49 ++++++++++++++++++++++++++++++++++++++++---------
> 1 file changed, 40 insertions(+), 9 deletions(-)
Thanks, applied with small changes.
I have used stuff from include/all-io.h (loops around read/write)
to make code more readable.
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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