BSD 4.4 Lite Kernel Sources

1 files changed, 126 insertions, 0 deletions

diff --git a/sys/sys/time.h b/sys/sys/time.h
new file mode 100644
index 0000000..5322771
--- /dev/null
+++ b/sys/sys/time.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)time.h	8.1 (Berkeley) 6/2/93
+ */
+
+#ifndef _SYS_TIME_H_
+#define _SYS_TIME_H_
+
+/*
+ * Structure returned by gettimeofday(2) system call,
+ * and used in other calls.
+ */
+struct timeval {
+	long	tv_sec;		/* seconds */
+	long	tv_usec;	/* and microseconds */
+};
+
+/*
+ * Structure defined by POSIX.4 to be like a timeval.
+ */
+struct timespec {
+	long	ts_sec;		/* seconds */
+	long	ts_nsec;	/* and nanoseconds */
+};
+
+#define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
+	(ts)->ts_sec = (tv)->tv_sec;					\
+	(ts)->ts_nsec = (tv)->tv_usec * 1000;				\
+}
+#define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
+	(tv)->tv_sec = (ts)->ts_sec;					\
+	(tv)->tv_usec = (ts)->ts_nsec / 1000;				\
+}
+
+struct timezone {
+	int	tz_minuteswest;	/* minutes west of Greenwich */
+	int	tz_dsttime;	/* type of dst correction */
+};
+#define	DST_NONE	0	/* not on dst */
+#define	DST_USA		1	/* USA style dst */
+#define	DST_AUST	2	/* Australian style dst */
+#define	DST_WET		3	/* Western European dst */
+#define	DST_MET		4	/* Middle European dst */
+#define	DST_EET		5	/* Eastern European dst */
+#define	DST_CAN		6	/* Canada */
+
+/* Operations on timevals. */
+#define	timerclear(tvp)		(tvp)->tv_sec = (tvp)->tv_usec = 0
+#define	timerisset(tvp)		((tvp)->tv_sec || (tvp)->tv_usec)
+#define	timercmp(tvp, uvp, cmp)						\
+	(((tvp)->tv_sec == (uvp)->tv_sec) ?				\
+	    ((tvp)->tv_usec cmp (uvp)->tv_usec) :			\
+	    ((tvp)->tv_sec cmp (uvp)->tv_sec))
+
+/*
+ * Names of the interval timers, and structure
+ * defining a timer setting.
+ */
+#define	ITIMER_REAL	0
+#define	ITIMER_VIRTUAL	1
+#define	ITIMER_PROF	2
+
+struct	itimerval {
+	struct	timeval it_interval;	/* timer interval */
+	struct	timeval it_value;	/* current value */
+};
+
+/*
+ * Getkerninfo clock information structure
+ */
+struct clockinfo {
+	int	hz;		/* clock frequency */
+	int	tick;		/* micro-seconds per hz tick */
+	int	stathz;		/* statistics clock frequency */
+	int	profhz;		/* profiling clock frequency */
+};
+
+#ifndef KERNEL
+#include <time.h>
+
+#ifndef _POSIX_SOURCE
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+int	adjtime __P((const struct timeval *, struct timeval *));
+int	getitimer __P((int, struct itimerval *));
+int	gettimeofday __P((struct timeval *, struct timezone *));
+int	setitimer __P((int, const struct itimerval *, struct itimerval *));
+int	settimeofday __P((const struct timeval *, const struct timezone *));
+int	utimes __P((const char *, const struct timeval *));
+__END_DECLS
+#endif /* !POSIX */
+
+#endif /* !KERNEL */
+
+#endif /* !_SYS_TIME_H_ */