Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/test/common/test_global_doublefree.cc b/src/test/common/test_global_doublefree.cc
new file mode 100644
index 00000000..ef8fefb6
--- /dev/null
+++ b/src/test/common/test_global_doublefree.cc
@@ -0,0 +1,30 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2016 Red Hat, Inc.
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+
+/*
+ * This test is linked against librados and libcephfs to try and detect issues
+ * with global, static, non-POD variables as seen in the following trackers.
+ * http://tracker.ceph.com/issues/16504
+ * http://tracker.ceph.com/issues/16686
+ * In those trackers such variables caused segfaults with glibc reporting
+ * "double free or corruption".
+ *
+ * Don't be fooled by its emptiness. It does serve a purpose :)
+ */
+
+int main(int, char**)
+{
+    return 0;
+}