X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=pl_mom;fp=pl_mom;h=a41c481a9f25075337832f285fe3f43ccea12044;hb=0b94296a0de4e93a3ebb4c0747ea2be4e29ae674;hp=0000000000000000000000000000000000000000;hpb=23ef533708ecb5f8bb98672527c70119dcae88cc;p=mom.git

diff --git a/pl_mom b/pl_mom
new file mode 100755
index 0000000..a41c481
--- /dev/null
+++ b/pl_mom
@@ -0,0 +1,74 @@
+#!/bin/sh
+#
+# chkconfig: 345 98 02
+# description: pl_mom (daemon of death) startup script
+#
+
+CODE='/usr/local/planetlab/bin/pl_mom.pl'
+PROC='pl_mom'
+
+. /etc/rc.d/init.d/functions
+
+RETVAL=0
+
+pidfile=/var/run/$PROC.pid
+
+check_status() {
+    pid=`cat $pidfile 2>/dev/null`
+    #
+    # this eliminates a race condition between checking existence of pidfile
+    # and reading its value
+    #
+    [ -n "$pid" -a -d /proc/$pid ]
+}
+
+case "$1" in
+    start)
+	echo -n "starting $PROC:"
+	[ -r $CODE ] || action "code missing" /bin/false || exit 1
+	pid=`cat $pidfile 2>/dev/null`
+	if [ -n "$pid" ]; then
+	    # check whether process really exists
+	    # yes - don't try to start
+	    [ -d /proc/$pid ] && action "already running" /bin/true && exit 1
+
+	    # no - PID file is stale
+	    rm -f $pidfile
+	fi
+
+	$CODE
+	sleep 1
+
+	cmd=success
+	check_status || cmd=failure
+	$cmd "$PROC startup"
+	echo
+        ;;
+
+    stop)
+	echo -n "shutting down $PROC: "
+	check_status && kill -TERM -`cat $pidfile` && sleep 1
+	cmd=failure
+	check_status || cmd=success && rm -f $pidfile
+	$cmd "$PROC shutdown"
+	RETVAL=0
+	echo
+	;;
+
+    restart|reload)
+	$0 stop
+	$0 start
+	RETVAL=$?
+        ;;
+
+    status)
+	check_status && echo 'running' && exit 0 || \
+	    echo 'not running' && exit 1
+	;;
+
+    *)
+	echo "Usage: $0 {start|stop|restart|status}"
+	exit 1
+esac
+
+exit $RETVAL