From: tholo <tholo@openbsd.org>
Date: Sun, 20 Apr 1997 20:47:33 +0000 (+0000)
Subject: Add macros and types needed for POSIX 1003.1b timers
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=e375aa517761a018836d3d00dce2f1400e4b79bb;p=openbsd

Add macros and types needed for POSIX 1003.1b timers
---

diff --git a/sys/sys/time.h b/sys/sys/time.h
index b95e8b0659c..0b9cdcc01cc 100644
--- a/sys/sys/time.h
+++ b/sys/sys/time.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: time.h,v 1.3 1996/05/02 13:14:04 deraadt Exp $	*/
+/*	$OpenBSD: time.h,v 1.4 1997/04/20 20:47:34 tholo Exp $	*/
 /*	$NetBSD: time.h,v 1.18 1996/04/23 10:29:33 mycroft Exp $	*/
 
 /*
@@ -105,6 +105,32 @@ struct timezone {
 		}							\
 	} while (0)
 
+/* Operations on timespecs. */
+#define	timespecclear(tsp)		(tsp)->tv_sec = (tsp)->tv_nsec = 0
+#define	timespecisset(tsp)		((tsp)->tv_sec || (tsp)->tv_nsec)
+#define	timespeccmp(tsp, usp, cmp)					\
+	(((tsp)->tv_sec == (usp)->tv_sec) ?				\
+	    ((tsp)->tv_nsec cmp (usp)->tv_nsec) :			\
+	    ((tsp)->tv_sec cmp (usp)->tv_sec))
+#define	timespecadd(tsp, usp, vsp)					\
+	do {								\
+		(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec;		\
+		(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec;	\
+		if ((vsp)->tv_nsec >= 1000000000L) {			\
+			(vsp)->tv_sec++;				\
+			(vsp)->tv_nsec -= 1000000000L;			\
+		}							\
+	} while (0)
+#define	timespecsub(tsp, usp, vsp)					\
+	do {								\
+		(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;		\
+		(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;	\
+		if ((vsp)->tv_nsec < 0) {				\
+			(vsp)->tv_sec--;				\
+			(vsp)->tv_nsec += 1000000000L;			\
+		}							\
+	} while (0)
+
 /*
  * Names of the interval timers, and structure
  * defining a timer setting.
@@ -129,6 +155,13 @@ struct clockinfo {
 	int	profhz;		/* profiling clock frequency */
 };
 
+#define CLOCK_REALTIME	0
+#define CLOCK_VIRTUAL	1
+#define CLOCK_PROF	2
+
+#define TIMER_RELTIME	0x0	/* relative timer */
+#define TIMER_ABSTIME	0x1	/* absolute timer */
+
 #ifdef _KERNEL
 int	itimerfix __P((struct timeval *tv));
 int	itimerdecr __P((struct itimerval *itp, int usec));
diff --git a/sys/sys/types.h b/sys/sys/types.h
index c2a4cf8e377..1dd72e61c82 100644
--- a/sys/sys/types.h
+++ b/sys/sys/types.h
@@ -1,5 +1,5 @@
-/*	$OpenBSD: types.h,v 1.9 1996/05/28 12:16:28 deraadt Exp $	*/
-/*	$NetBSD: types.h,v 1.26 1996/04/09 20:55:47 cgd Exp $	*/
+/*	$OpenBSD: types.h,v 1.10 1997/04/20 20:47:33 tholo Exp $	*/
+/*	$NetBSD: types.h,v 1.29 1996/11/15 22:48:25 jtc Exp $	*/
 
 /*-
  * Copyright (c) 1982, 1986, 1991, 1993
@@ -125,6 +125,16 @@ typedef	_BSD_TIME_T_	time_t;
 #undef	_BSD_TIME_T_
 #endif
 
+#ifdef	_BSD_CLOCKID_T_
+typedef	_BSD_CLOCKID_T_	clockid_t;
+#undef	_BSD_CLOCKID_T_
+#endif
+
+#ifdef	_BSD_TIMER_T_
+typedef	_BSD_TIMER_T_	timer_t;
+#undef	_BSD_TIMER_T_
+#endif
+
 #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)
 #define	NBBY	8		/* number of bits in a byte */