Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

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

1 files changed, 50 insertions, 0 deletions

diff --git a/sql/wsrep_mutex.h b/sql/wsrep_mutex.h
new file mode 100644
index 00000000..3454b44e
--- /dev/null
+++ b/sql/wsrep_mutex.h
@@ -0,0 +1,50 @@
+/* Copyright 2018 Codership Oy <info@codership.com>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
+
+#ifndef WSREP_MUTEX_H
+#define WSREP_MUTEX_H
+
+/* wsrep-lib */
+#include "wsrep/mutex.hpp"
+
+/* implementation */
+#include "my_pthread.h"
+
+class Wsrep_mutex : public wsrep::mutex
+{
+public:
+  Wsrep_mutex(mysql_mutex_t& mutex)
+    : m_mutex(mutex)
+  { }
+
+  void lock()
+  {
+    mysql_mutex_lock(&m_mutex);
+  }
+
+  void unlock()
+  {
+    mysql_mutex_unlock(&m_mutex);
+  }
+
+  void* native()
+  {
+    return &m_mutex;
+  }
+private:
+  mysql_mutex_t& m_mutex;
+};
+
+#endif /* WSREP_MUTEX_H */