[ovs-dev] [PATCH] docs: Document that --detach disables logging to the console.

Guru Shetty guru at ovn.org
Tue Dec 1 18:05:58 UTC 2015


On 1 December 2015 at 09:55, Ben Pfaff <blp at ovn.org> wrote:

> Reported-by: "P.R.Dinesh" <pr.dinesh at gmail.com>
> Reported-at:
> http://openvswitch.org/pipermail/discuss/2015-December/019567.html
> Signed-off-by: Ben Pfaff <blp at ovn.org>
>
Acked-by: Gurucharan Shetty <guru at ovn.org>

> ---
>  lib/daemon.man | 11 +++++++----
>  lib/vlog.man   |  4 +++-
>  2 files changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/lib/daemon.man b/lib/daemon.man
> index ff0b157..78469cd 100644
> --- a/lib/daemon.man
> +++ b/lib/daemon.man
> @@ -18,10 +18,13 @@ overwrite the pidfile.
>  .IP
>  When \fB\-\-pidfile\fR is not specified, this option has no effect.
>  .
> -.TP
> -\fB\-\-detach\fR
> -Causes \fB\*(PN\fR to detach itself from the foreground session and
> -run as a background process. \*(DD
> +.IP \fB\-\-detach\fR
> +Runs \fB\*(PN\fR as a background process.  The process forks, and in
> +the child it starts a new session, closes the standard file
> +descriptors (which has the side effect of disabling logging to the
> +console), and changes its current directory to the root (unless
> +\fB\-\-no\-chdir\fR is specified).  After the child completes its
> +initialization, the parent exits.  \*(DD
>  .
>  .TP
>  \fB\-\-monitor\fR
> diff --git a/lib/vlog.man b/lib/vlog.man
> index 6994eec..674528d 100644
> --- a/lib/vlog.man
> +++ b/lib/vlog.man
> @@ -20,7 +20,9 @@ module.
>  .IP \(bu
>  \fBsyslog\fR, \fBconsole\fR, or \fBfile\fR, to limit the log level
>  change to only to the system log, to the console, or to a file,
> -respectively.
> +respectively.  (If \fB\-\-detach\fR is specified, \fB\*(PN\fR closes
> +its standard file descriptors, so logging to the console will have no
> +effect.)
>  .IP
>  On Windows platform, \fBsyslog\fR is accepted as a word and is only
>  useful along with the \fB\-\-syslog\-target\fR option (the word has no
> --
> 2.1.3
>
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