1 files changed, 62 insertions, 0 deletions
diff --git a/ndb/src/kernel/vm/TimeQueue.hpp b/ndb/src/kernel/vm/TimeQueue.hpp
new file mode 100644
index 00000000000..1203ace10f5
--- /dev/null
+++ b/ndb/src/kernel/vm/TimeQueue.hpp
@@ -0,0 +1,62 @@
+/* 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 TimeQueue_H
+#define TimeQueue_H
+
+#include <kernel_types.h>
+#include "Prio.hpp"
+
+#define MAX_NO_OF_SHORT_TQ 512
+#define MAX_NO_OF_LONG_TQ 512
+#define MAX_NO_OF_TQ (MAX_NO_OF_SHORT_TQ + MAX_NO_OF_LONG_TQ)
+#define NULL_TQ_ENTRY 65535
+
+class Signal;
+
+struct TimeStruct
+{
+  Uint16 delay_time;
+  Uint16 job_index;
+};
+
+union TimerEntry
+{
+  struct TimeStruct time_struct;
+  Uint32 copy_struct;
+};
+
+class TimeQueue
+{
+public:
+  TimeQueue();
+  ~TimeQueue();
+
+  void   insert(Signal* signal, BlockNumber bnr,
+		GlobalSignalNumber gsn, Uint32 delayTime);
+  void   clear();
+  void   scanTable(); // Called once per millisecond
+  Uint32 getIndex();
+  void   releaseIndex(Uint32 aIndex);
+  void   recount_timers();
+  
+private:
+  TimerEntry  theShortQueue[MAX_NO_OF_SHORT_TQ];
+  TimerEntry  theLongQueue[MAX_NO_OF_LONG_TQ];
+  Uint16     theFreeIndex[MAX_NO_OF_TQ];
+};
+
+#endif