Changes to create storage directory for storage engines.

1 files changed, 87 insertions, 0 deletions

diff --git a/storage/ndb/include/kernel/signaldata/ManagementServer.hpp b/storage/ndb/include/kernel/signaldata/ManagementServer.hpp
new file mode 100644
index 00000000000..ce14e30c81d
--- /dev/null
+++ b/storage/ndb/include/kernel/signaldata/ManagementServer.hpp
@@ -0,0 +1,87 @@
+/* Copyright (C) 2003 MySQL AB
+
+   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; either version 2 of the License, or
+   (at your option) any later version.
+
+   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifndef MANAGEMENTSERVER_HPP
+#define MANAGEMENTSERVER_HPP
+
+#include "SignalData.hpp"
+
+/**
+ * Request to lock configuration
+ */
+class MgmLockConfigReq {
+  friend class MgmtSrvr;
+
+public:
+  STATIC_CONST( SignalLength = 1 );
+
+private:
+  Uint32 newConfigGeneration;
+};
+
+/**
+ * Confirm configuration lock
+ */
+class MgmLockConfigRep {
+  friend class MgmtSrvr;
+public:
+  STATIC_CONST( SignalLength = 1 );
+
+  /* Error codes */
+  enum ErrorCode {
+    OK,
+    UNKNOWN_ERROR,
+    GENERATION_MISMATCH,
+    ALREADY_LOCKED
+  };
+
+private:
+  Uint32 errorCode;
+};
+
+/**
+ * Unlock configuration
+ */
+class MgmUnlockConfigReq {
+  friend class MgmtSrvr;
+
+public:
+  STATIC_CONST( SignalLength = 1 );
+
+private:
+  Uint32 commitConfig;
+};
+
+/**
+ * Confirm config unlock
+ */
+class MgmUnlockConfigRep {
+  friend class MgmtSrvr;
+public:
+  STATIC_CONST( SignalLength = 1 );
+
+  /* Error codes */
+  enum ErrorCode {
+    OK,
+    UNKNOWN_ERROR,
+    NOT_LOCKED
+  };
+
+private:
+  Uint32 errorCode;
+};
+
+#endif /* !MANAGEMENTSERVER_HPP */