screensaver: give 1 sec to dunst to hide msg

.xinitrc

@@ -27,8 +27,6 @@ export GNOME_KEYRING_CONTROL GNOME_KEYRING_PID GPG_AGENT_INFO SSH_AUTH_SOCK
 (
 	xautolock -locker '~/bin/screensaver start' -notify 5 -notifier '~/bin/screensaver notify 5' &
 	dunst &
-	# this pidfile is later used for screensaver
-	echo $! >.cache/dunst.pid
 	gtk-redshift &
 	skype &
 	psi-plus &

bin/screensaver

@@ -1,18 +1,16 @@
 #!/usr/bin/env bash
 
-DUNST_PID=$(<~/.cache/dunst.pid)
-
 if [ "$1" = "notify" ]; then
 	# notify-send help says timeout is in milliseconds
 	# but it appears that it is really in seconds (is it a dunst bug?)
-	notify-send -t 3 "Activating screensaver in $2 seconds..."
+	notify-send -t $[$2-1] "Activating screensaver in $2 seconds..."
 else
-	kill -USR1 $DUNST_PID
+	killall -USR1 dunst
 	notify_suspend
 	slock &
 	slock_pid=$!
 	# for xautolock -unlocknow
-	trap "kill -USR2 $DUNST_PID; kill $slock_pid" SIGTERM
+	trap "killall -USR2 dunst; kill $slock_pid" SIGTERM
 	wait $slock_pid
-	kill -USR2 $DUNST_PID
+	killall -USR2 dunst
 fi