[arch-projects] [PATCH] added get_pid() and ck_pidfile() (FS#18654)

[Tom Gundersen]

Thanks for your contribution! I'd be happy to merge something like
this, once Dave's comments have been addressed.

Cheers,

Tom

On Fri, Jun 10, 2011 at 4:20 PM, Andrwe Lord Weber <archlinux at andrwe.org> wrote:
> get_pid:
>  Arguments: programname
>  Returns:   PID of program
> ck_pidfile:
>  Arguments: PID-file programname
>  Returns:   0 - PID in PID-file is of program
>             1 - PID in PID-file is not of program
>
> Signed-off-by: Andrwe Lord Weber <archlinux at andrwe.org>
> ---
>  functions |   15 +++++++++++++++
>  1 files changed, 15 insertions(+), 0 deletions(-)
>
> diff --git a/functions b/functions
> index adf4ea9..9a741e1 100644
> --- a/functions
> +++ b/functions
> @@ -231,6 +231,21 @@ ck_status() {
>        fi
>  }
>
> +# Return PID of $1
> +get_pid() {
> +        pidof -o %PPID $1 || return 1
> +}
> +
> +# Check if PID-file $1 is still the active PID-file for command $2
> +ck_pidfile() {
> +        if [ -f "$1" ]; then
> +                fpid=$(<"$1")
> +                ppid=$(get_pid $2)
> +                [ $fpid -eq $ppid ] && return 0
> +        fi
> +        return 1
> +}
> +
>  # PIDs to be omitted by killall5
>  declare -a omit_pids
>
> --
> 1.7.5.2
>
>
>