openrc/sh/start-stop-daemon.sh

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# start / stop / status functions for start-stop-daemon
# Copyright (c) 2007-2015 The OpenRC Authors.
# See the Authors file at the top-level directory of this distribution and
# https://github.com/OpenRC/openrc/blob/master/AUTHORS
#
# This file is part of OpenRC. It is subject to the license terms in
# the LICENSE file found in the top-level directory of this
# distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.
ssd_start()
{
if [ -z "$command" ]; then
ewarn "The command variable is undefined."
ewarn "There is nothing for ${name:-$RC_SVCNAME} to start."
ewarn "If this is what you intend, please write a start function."
ewarn "This will become a failure in a future release."
return 0
fi
local _background=
ebegin "Starting ${name:-$RC_SVCNAME}"
if yesno "${command_background}"; then
if [ -z "${pidfile}" ]; then
eend 1 "command_background option used but no pidfile specified"
return 1
fi
if [ -n "${command_args_background}" ]; then
eend 1 "command_background used with command_args_background"
return 1
fi
_background="--background --make-pidfile"
fi
if yesno "$start_inactive"; then
local _inactive=false
service_inactive && _inactive=true
mark_service_inactive
fi
[ -n "$output_logger" ] &&
output_logger_arg="--stdout-logger \"$output_logger\""
[ -n "$error_logger" ] &&
error_logger_arg="--stderr-logger \"$error_logger\""
#the eval call is necessary for cases like:
# command_args="this \"is a\" test"
# to work properly.
eval start-stop-daemon --start \
--exec $command \
${chroot:+--chroot} $chroot \
${directory:+--chdir} $directory \
${output_log+--stdout} $output_log \
${error_log+--stderr} $error_log \
${output_logger_arg} \
${error_logger_arg} \
${procname:+--name} $procname \
${pidfile:+--pidfile} $pidfile \
${command_user+--user} $command_user \
${umask+--umask} $umask \
$_background $start_stop_daemon_args \
-- $command_args $command_args_background
if eend $? "Failed to start ${name:-$RC_SVCNAME}"; then
service_set_value "command" "${command}"
[ -n "${chroot}" ] && service_set_value "chroot" "${chroot}"
[ -n "${pidfile}" ] && service_set_value "pidfile" "${pidfile}"
[ -n "${procname}" ] && service_set_value "procname" "${procname}"
return 0
fi
if yesno "$start_inactive"; then
if ! $_inactive; then
mark_service_stopped
fi
fi
return 1
}
ssd_stop()
{
local _progress=
local startcommand="$(service_get_value "command")"
local startchroot="$(service_get_value "chroot")"
local startpidfile="$(service_get_value "pidfile")"
local startprocname="$(service_get_value "procname")"
command="${startcommand:-$command}"
chroot="${startchroot:-$chroot}"
pidfile="${startpidfile:-$pidfile}"
procname="${startprocname:-$procname}"
[ -n "$command" -o -n "$procname" -o -n "$pidfile" ] || return 0
yesno "${command_progress}" && _progress=--progress
ebegin "Stopping ${name:-$RC_SVCNAME}"
start-stop-daemon --stop \
${retry:+--retry} $retry \
${command:+--exec} $command \
${procname:+--name} $procname \
${pidfile:+--pidfile} $chroot$pidfile \
${stopsig:+--signal} $stopsig \
${_progress}
eend $? "Failed to stop ${name:-$RC_SVCNAME}"
}
ssd_status()
{
_status
}