common: do not set ioprio if pid is not set

Signed-off-by: Loic Dachary <loic-201408@dachary.org>

diff --git a/src/common/Thread.cc b/src/common/Thread.cc
index 7be0013a6676bc98a5d35515994a6f817aa69c9b..a962e06f66a4db4a328472577105c3f01da5cc42 100644 (file)
--- a/src/common/Thread.cc
+++ b/src/common/Thread.cc
@@ -51,7 +51,8 @@ void *Thread::entry_wrapper()
   int p = ceph_gettid(); // may return -ENOSYS on other platforms
   if (p > 0)
     pid = p;
-  if (ioprio_class >= 0 &&
+  if (pid &&
+      ioprio_class >= 0 &&
       ioprio_priority >= 0) {
     ceph_ioprio_set(IOPRIO_WHO_PROCESS,
                    pid,