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1 files changed, 53 insertions, 0 deletions

diff --git a/include/mach/sa/sys/time.h b/include/mach/sa/sys/time.h
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+/*
+ * Mach Operating System
+ * Copyright (c) 1991 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie Mellon rights
+ * to redistribute these changes.
+ */
+/*
+ *	Time-keeper for kernel IO devices.
+ *
+ *	May or may not have any relation to wall-clock time.
+ */
+
+#ifndef _MACH_SA_SYS_TIME_H_
+#define _MACH_SA_SYS_TIME_H_
+
+#include <mach/time_value.h>
+
+extern time_value_t	time;
+
+/*
+ * Definitions to keep old code happy.
+ */
+#define timeval_t time_value_t
+#define timeval time_value
+#define	tv_sec	seconds
+#define	tv_usec	microseconds
+
+#define timerisset(tvp)		((tvp)->tv_sec || (tvp)->tv_usec)
+#define timercmp(tvp, uvp, cmp)	\
+	((tvp)->tv_sec cmp (uvp)->tv_sec || \
+	 (tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec)
+#define timerclear(tvp)		(tvp)->tv_sec = (tvp)->tv_usec = 0
+
+#endif _MACH_SA_SYS_TIME_H_