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Re: [Xen-devel] [PATCH for-4.6 v2 1/4] cxenstored: fix systemd socket activation

On Mon, 2015-08-10 at 09:00 +0100, Wei Liu wrote:
> There were two problems with original code:
> 1. sd_booted() was used to determined if the process was started by
>    systemd, which was wrong.
> 2. Exit with error if pidfile was specified, which was too harsh.
> These two combined made cxenstored unable to start by hand if it ran
> on a system which had systemd.
> Fix issues with following changes:
> 1. Use sd_listen_fds to determine if the process is started by systemd.
> 2. Don't exit if pidfile is specified.
> Rename function and restructure code to make things clearer.
> A side effect of this patch is that gcc 4.8 with -Wmaybe-uninitialized
> in non-debug build spits out spurious warning about sock and ro_sock
> might be uninitialized. Since CentOS 7 ships gcc 4.8, we need to work
> around that by setting sock and ro_sock to NULL at the beginning of
> main.
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> Tested-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

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