1 files changed, 32 insertions, 0 deletions
diff --git a/src/mongo/s/shard_version.h b/src/mongo/s/shard_version.h
new file mode 100644
index 00000000000..98cacf67af2
--- /dev/null
+++ b/src/mongo/s/shard_version.h
@@ -0,0 +1,32 @@
+// @file shard_version.h
+
+/**
+*    Copyright (C) 2010 10gen Inc.
+*
+*    This program is free software: you can redistribute it and/or  modify
+*    it under the terms of the GNU Affero General Public License, version 3,
+*    as published by the Free Software Foundation.
+*
+*    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 Affero General Public License for more details.
+*
+*    You should have received a copy of the GNU Affero General Public License
+*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+namespace mongo {
+
+    /*
+     * Install chunk shard vesion callbaks in shardconnection code. This activates
+     * the chunk shard version control that mongos needs.
+     *
+     * MUST be called before accepting any connections.
+     */
+    void installChunkShardVersioning();
+
+
+}  // namespace mongo