diff usr/src/cmd/cpc/common/time.c @ 0:c9caec207d52 b86

Initial porting based on b86
author Koji Uno <koji.uno@sun.com>
date Tue, 02 Jun 2009 18:56:50 +0900
parents
children 1a15d5aaf794
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/cpc/common/time.c	Tue Jun 02 18:56:50 2009 +0900
@@ -0,0 +1,54 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"@(#)time.c	1.3	05/06/08 SMI"
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <libcpc.h>
+
+#include "cpucmds.h"
+
+static hrtime_t timebase;
+
+void
+zerotime(void)
+{
+	timebase = gethrtime();
+}
+
+#define	NSECPERSEC	1000000000.0
+
+float
+mstimestamp(hrtime_t hrt)
+{
+	if (hrt == 0)
+		hrt = gethrtime();
+	return ((float)(hrt - timebase) / NSECPERSEC);
+}