add a graceful restart option to kojid.init

builder/kojid

@@ -81,7 +81,11 @@ def main(options, session):
             tm.scanPlugin(pt.load(name))
     def shutdown(*args):
         raise SystemExit
+    def restart(*args):
+        logger.warn("Initiating graceful restart")
+        tm.restart_pending = True
     signal.signal(signal.SIGTERM,shutdown)
+    signal.signal(signal.SIGUSR1,restart)
     taken = False
     while 1:
         try:

builder/kojid.init

@@ -60,6 +60,17 @@ restart() {
     start
 }
 
+graceful() {
+    #SIGUSR1 initiates a graceful restart
+    pid=$(pidofproc kojid)
+    if test -z "$pid"
+    then
+        echo $"$prog not running"
+    else
+        kill -10 $pid
+    fi
+}
+
 # See how we were called.
 case "$1" in
   start)
@@ -77,8 +88,11 @@ case "$1" in
   condrestart|try-restart)
         [ -f /var/lock/subsys/kojid ] && restart || :
         ;;
+  graceful)
+        graceful
+        ;;
   *)
-	echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
+        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|graceful}"
         exit 1
 esac