diff options
Diffstat (limited to 'stap-find-or-start-server')
| -rwxr-xr-x | stap-find-or-start-server | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/stap-find-or-start-server b/stap-find-or-start-server new file mode 100755 index 00000000..0ea0ef43 --- /dev/null +++ b/stap-find-or-start-server @@ -0,0 +1,36 @@ +#!/bin/bash + +# Find or start a systemtap server +# +# Copyright (C) 2008 Red Hat Inc. +# +# This file is part of systemtap, and is free software. You can +# redistribute it and/or modify it under the terms of the GNU General +# Public License (GPL); either version 2, or (at your option) any +# later version. + +# This script attempts to find a systemtap server. If one is found, it +# simply exits with 0. +# +# Otherwise, it attempts to start a server. If succesful, it echoes the +# process id and exits with 0. +# +# Otherwise, it exits with 1 + +# Is there a server available? +stap-find-servers >/dev/null 2>&1 && exit 0 + +# No server available, try to start one. +pid=`stap-start-server` +if test $? = 0; then + echo $pid + # Make sure the server is started + for ((attempt=0; $attempt < 5; ++attempt)) + do + stap-find-servers >/dev/null 2>&1 && exit 0 + sleep 1 + done +fi + +# Could not find or start a server +exit 1 |