Moved semisync from a plugin to normal server

Part of MDEV-13073 AliSQL Optimize performance of semisync

Did the following renames to match other similar variables
key_ss_mutex_LOCK_binlog_       > key_LOCK_bing
key_ss_cond_COND_binlog_send_  -> key_COND_binlog_send
COND_binlog_send_              -> COND_binlog_send
LOCK_binlog_                   -> LOCK_binlog

debian/mariadb-server-10.2.install does not install semisync libs.

1 files changed, 32 insertions, 0 deletions

diff --git a/sql/semisync.cc b/sql/semisync.cc
new file mode 100644
index 00000000000..df37f03ec2f
--- /dev/null
+++ b/sql/semisync.cc
@@ -0,0 +1,32 @@
+/* Copyright (C) 2007 Google Inc.
+   Copyright (C) 2008 MySQL AB
+   Use is subject to license terms
+
+   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 */
+
+
+#include <my_global.h>
+#include "semisync.h"
+
+const unsigned char ReplSemiSyncBase::kPacketMagicNum = 0xef;
+const unsigned char ReplSemiSyncBase::kPacketFlagSync = 0x01;
+
+
+const unsigned long Trace::kTraceGeneral  = 0x0001;
+const unsigned long Trace::kTraceDetail   = 0x0010;
+const unsigned long Trace::kTraceNetWait  = 0x0020;
+const unsigned long Trace::kTraceFunction = 0x0040;
+
+const unsigned char  ReplSemiSyncBase::kSyncHeader[2] =
+  {ReplSemiSyncBase::kPacketMagicNum, 0};