cmdline: Handle unknown schedulers in -p/--priority:

[root@mica ~]# tuna -t agetty -p OTHE:0
tuna: Unknown scheduler

Reported-by: Guy Streeter <streeter@redhat.com>
RHBZ-Reference: https://bugzilla.redhat.com/show_bug.cgi?id=563350
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/tuna-cmd.py b/tuna-cmd.py
index 7d6aefa..94349bf 100755
--- a/tuna-cmd.py
+++ b/tuna-cmd.py
@@ -474,7 +474,11 @@ def main():
 			if not thread_list:
 				print ("tuna: %s " % o) + _("requires a thread list!")
 				sys.exit(2)
-			tuna.threads_set_priority(thread_list, a, affect_children)
+			try:
+				tuna.threads_set_priority(thread_list, a, affect_children)
+			except SystemError, err:
+				print "tuna: %s" % err
+				sys.exit(2)
 		elif o in ("-P", "--show_threads"):
 			# If the user specified process names that weren't
 			# resolved to pids, don't show all threads.