add wayland session manager

recipes-diya/diya-session-manager/files/diya-sessiond

@@ -0,0 +1,78 @@
+#! /bin/sh
+### BEGIN INIT INFO
+# Provides:          diya
+# Short-Description: simple session manager
+# Description:       session manager that allows user login and
+#                    start user session
+### END INIT INFO
+#
+# -*- coding: utf-8 -*-
+
+# set -e
+
+# shellcheck disable=SC1091
+. /etc/init.d/functions
+
+DAEMON=/usr/bin/diya-session-manager
+NAME=diya-sessiond
+PIDFILE=/var/run/diya/sessiond.pid
+DESC="Diya session manager"
+DAEMONUSER="root"
+PARAMS="-c /etc/diya/daemon.conf"
+test -x $DAEMON || exit 0
+
+start_it_up()
+{
+  mkdir -p "$(dirname $PIDFILE)"
+  if [ -e $PIDFILE ]; then
+    PIDDIR=/proc/$(cat $PIDFILE)
+    if [ -d ${PIDDIR} -a  "$(readlink -f ${PIDDIR}/exe)" = "${DAEMON}" ]; then 
+      echo "$DESC already started; not starting."
+    else
+      echo "Removing stale PID file $PIDFILE."
+      rm -f $PIDFILE
+    fi
+  fi
+
+  echo -n "Starting $DESC: "
+  start-stop-daemon -o --start --quiet --pidfile $PIDFILE \
+    --user $DAEMONUSER --exec $DAEMON -- $PARAMS
+  echo "$NAME."
+}
+
+shut_it_down()
+{
+  echo -n "Stopping $DESC: "
+  start-stop-daemon -o --stop  --quiet --pidfile $PIDFILE \
+    --user $DAEMONUSER
+  # We no longer include these arguments so that start-stop-daemon
+  # can do its job even given that we may have been upgraded.
+  # We rely on the pidfile being sanely managed
+  # --exec $DAEMON -- --system $PARAMS
+  echo "$NAME."
+  rm -f $PIDFILE
+}
+
+case "$1" in
+  start)
+    start_it_up
+  ;;
+  stop)
+    shut_it_down
+  ;;
+  status)
+    status $DAEMON
+    exit $?
+  ;;
+  restart)
+    shut_it_down
+    sleep 1
+    start_it_up
+  ;;
+  *)
+    echo "Usage: /etc/init.d/$NAME {start|stop|status|restart}" >&2
+    exit 1
+  ;;
+esac
+
+exit 0