1 files changed, 73 insertions, 0 deletions
diff --git a/storage/tokudb/tokudb_time.h b/storage/tokudb/tokudb_time.h
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+++ b/storage/tokudb/tokudb_time.h
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+/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
+/* -*- mode: C; c-basic-offset: 4 -*- */
+#ident "$Id$"
+/*======
+This file is part of TokuDB
+
+
+Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
+
+    TokuDBis 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.
+
+    TokuDB 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 TokuDB.  If not, see <http://www.gnu.org/licenses/>.
+
+======= */
+
+#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
+
+#ifndef _TOKUDB_TIME_H
+#define _TOKUDB_TIME_H
+
+#include "hatoku_defines.h"
+
+namespace tokudb {
+namespace time {
+
+static const ulonglong MILLISECONDS = 1000;
+static const ulonglong MICROSECONDS = 1000000;
+static const ulonglong NANOSECONDS = 1000000000;
+
+// gets curent time of day in microseconds
+ulonglong microsec(void);
+
+// gets a timespec in the future based on the current time and an offset forward
+timespec offset_timespec(ulonglong offset);
+
+// sleep microseconds
+void sleep_microsec(ulong tm);
+
+
+
+inline ulonglong microsec(void) {
+    timeval t;
+    gettimeofday(&t, NULL);
+    return t.tv_sec * (1UL * 1000 * 1000) + t.tv_usec;
+}
+inline timespec offset_timespec(ulonglong offset) {
+    timespec ret;
+    ulonglong tm = offset + microsec();
+    ret.tv_sec = tm / MICROSECONDS;
+    ret.tv_nsec = (tm % MICROSECONDS) * 1000;
+    return ret;
+}
+inline void sleep_microsec(ulong tm) {
+    timeval	t;
+    t.tv_sec = tm / MICROSECONDS;
+    t.tv_usec = tm % MICROSECONDS;
+
+    select(0, NULL, NULL, NULL, &t);
+}
+
+} // namespace time
+} // namespace tokudb
+
+#endif // _TOKUDB_TIME_H