Initial revision of NDB Cluster files

BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

ndb/include/portlib/NdbTick.h

@@ -0,0 +1,69 @@
+/* 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 NDB_TICK_H
+#define NDB_TICK_H
+
+#include <ndb_types.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#if defined NDB_OSE || defined NDB_SOFTOSE
+typedef unsigned long NDB_TICKS;
+#else
+typedef Uint64 NDB_TICKS; 
+#endif
+
+/**
+ * Returns the current millisecond since 1970
+ */
+NDB_TICKS NdbTick_CurrentMillisecond(void);
+
+/**
+ * Get current micro second
+ * Second method is simply abstraction on top of the first
+ * 
+ * Returns 0 - Success
+ */
+int NdbTick_CurrentMicrosecond(NDB_TICKS * secs, Uint32 * micros);
+
+//#define TIME_MEASUREMENT
+#ifdef TIME_MEASUREMENT
+
+struct MicroSecondTimer {
+  NDB_TICKS seconds;
+  NDB_TICKS micro_seconds;
+};
+
+/**
+ * Get time between start and stop time in microseconds
+ * Abstraction to get time in struct
+ *
+ * 0 means stop happened at or before start time
+ */
+NDB_TICKS NdbTick_getMicrosPassed(struct MicroSecondTimer start,
+                            struct MicroSecondTimer stop);
+int NdbTick_getMicroTimer(struct MicroSecondTimer* time_now);
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif
+