1 files changed, 66 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/ft/txn/txn_child_manager.h b/storage/tokudb/PerconaFT/ft/txn/txn_child_manager.h
new file mode 100644
index 00000000000..76db3705251
--- /dev/null
+++ b/storage/tokudb/PerconaFT/ft/txn/txn_child_manager.h
@@ -0,0 +1,66 @@
+/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
+#ident "$Id$"
+/*======
+This file is part of PerconaFT.
+
+
+Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
+
+    PerconaFT is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License, version 2,
+    as published by the Free Software Foundation.
+
+    PerconaFT 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 PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+    PerconaFT 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.
+
+    PerconaFT 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 PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+======= */
+
+#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
+
+#pragma once
+
+// We should be including ft/txn/txn.h here but that header includes this one,
+// so we don't.
+#include "portability/toku_pthread.h"
+
+class txn_child_manager {
+public:
+    void init (TOKUTXN root);
+    void destroy();
+    void start_child_txn_for_recovery(TOKUTXN child, TOKUTXN parent, TXNID_PAIR txnid);
+    void start_child_txn(TOKUTXN child, TOKUTXN parent);
+    void finish_child_txn(TOKUTXN child);
+    void suspend();
+    void resume();
+    void find_tokutxn_by_xid_unlocked(TXNID_PAIR xid, TOKUTXN* result);
+    int iterate(int (*cb)(TOKUTXN txn, void *extra), void* extra);
+
+private:
+    TXNID m_last_xid;
+    TOKUTXN m_root;
+    toku_mutex_t m_mutex;
+
+    friend class txn_child_manager_unit_test;
+};
+
+
+ENSURE_POD(txn_child_manager);