From 07689f767246c9e3c7eb70474ae7b60656b0e038 Mon Sep 17 00:00:00 2001
From: Greg Eisenhauer <eisen@cc.gatech.edu>
Date: Sun, 23 May 2021 21:08:37 -0400
Subject: [PATCH] TSAN

---
 source/adios2/toolkit/sst/cp/cp_reader.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/source/adios2/toolkit/sst/cp/cp_reader.c b/source/adios2/toolkit/sst/cp/cp_reader.c
index 277c6fa240..9e2cd57436 100644
--- a/source/adios2/toolkit/sst/cp/cp_reader.c
+++ b/source/adios2/toolkit/sst/cp/cp_reader.c
@@ -2257,6 +2257,7 @@ extern void SstReaderClose(SstStream Stream)
         free(Stream->CurrentMetadata);
         Stream->CurrentMetadata = NULL;
     }
+    STREAM_MUTEX_LOCK(Stream);
     for (int i = 0; i < Stream->InternalMetaMetaCount; i++)
     {
         free(Stream->InternalMetaMetaInfo[i].ID);
@@ -2271,6 +2272,7 @@ extern void SstReaderClose(SstStream Stream)
         }
         free(Stream->InternalAttrDataInfo);
     }
+    STREAM_MUTEX_UNLOCK(Stream);
 }
 
 //  SstWaitForCompletion is only called by the main program thread and