logger: Fix DoutStreambuf::create_rank_symlink

Signed-off-by: Colin McCabe <colinm@hq.newdream.net>

diff --git a/src/common/DoutStreambuf.cc b/src/common/DoutStreambuf.cc
index 4279e4fbebdfe738a066d44f161186d6a1257cfc..d1967b820e3ded56017845bff1a46679d6be0118 100644 (file)
--- a/src/common/DoutStreambuf.cc
+++ b/src/common/DoutStreambuf.cc
@@ -373,7 +373,7 @@ int DoutStreambuf<charT, traits>::handle_pid_change()
 template <typename charT, typename traits>
 int DoutStreambuf<charT, traits>::create_rank_symlink(int n)
 {
-  Mutex::Locker l(_dout_lock);
+  assert(_dout_lock.is_locked());
 
   if (!(flags & DOUTSB_FLAG_OFILE))
     return 0;