tuna: Ignore non-existing threads in threads_set_priority

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 10 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 502e282..a7baf79 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,5 @@
+- tuna: Ignore non-existing threads in threads_set_priority
+
 * Thu Sep  3 2009 Arnaldo Carvalho de Melo <acme@redhat.com> - 0.9-1
 - cmdline: --socket needs an argument
 - tuna: Present more graceful failure mode when machine can't start gui
diff --git a/tuna/tuna.py b/tuna/tuna.py
index 094023e..8a95ae2 100755
--- a/tuna/tuna.py
+++ b/tuna/tuna.py
@@ -445,11 +445,17 @@ def threads_set_priority(tids, parm, affect_children = False):
 		rtprio = int(parms[0])
 
 	for tid in tids:
-		thread_set_priority(tid, policy, rtprio)
+		try:
+			thread_set_priority(tid, policy, rtprio)
+		except SystemError: # (3, 'No such process')
+			continue
 		if affect_children:
 			for child in [int (a) for a in os.listdir("/proc/%d/task" % tid)]:
 				if child != tid:
-					thread_set_priority(child, policy, rtprio)
+					try:
+						thread_set_priority(child, policy, rtprio)
+					except SystemError: # (3, 'No such process')
+						continue
 
 class sched_tunings:
 	def __init__(self, name, pid, policy, rtprio, affinity, percpu):