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, 54 insertions, 0 deletions

diff --git a/sql/wsrep_condition_variable.h b/sql/wsrep_condition_variable.h
new file mode 100644
index 00000000..6ad53a30
--- /dev/null
+++ b/sql/wsrep_condition_variable.h
@@ -0,0 +1,54 @@
+/* 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_CONDITION_VARIABLE_H
+#define WSREP_CONDITION_VARIABLE_H
+
+/* wsrep-lib */
+#include "wsrep/condition_variable.hpp"
+
+/* implementation */
+#include "my_pthread.h"
+
+class Wsrep_condition_variable : public wsrep::condition_variable
+{
+public:
+
+  Wsrep_condition_variable(mysql_cond_t& cond)
+    : m_cond(cond)
+  { }
+  ~Wsrep_condition_variable()
+  { }
+
+  void notify_one()
+  {
+    mysql_cond_signal(&m_cond);
+  }
+
+  void notify_all()
+  {
+    mysql_cond_broadcast(&m_cond);
+  }
+
+  void wait(wsrep::unique_lock<wsrep::mutex>& lock)
+  {
+    mysql_mutex_t* mutex= static_cast<mysql_mutex_t*>(lock.mutex()->native());
+    mysql_cond_wait(&m_cond, mutex);
+  }
+private:
+  mysql_cond_t& m_cond;
+};
+
+#endif /* WSREP_CONDITION_VARIABLE_H */