Add a pidfile for varnishd

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@3242 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishtest/vtc_varnish.c

@@ -193,6 +193,7 @@ varnish_launch(struct varnish *v)
 	vsb_printf(vsb, "cd ../varnishd &&");
 	vsb_printf(vsb, " ./varnishd -d -d -n /tmp/__%s", v->name);
 	vsb_printf(vsb, " -a '%s' -T %s", v->accept, v->telnet);
+	vsb_printf(vsb, " -P /tmp/__%s/varnishd.pid", v->name);
 	vsb_printf(vsb, " %s", v->args);
 	vsb_finish(vsb);
 	AZ(vsb_overflowed(vsb));