Merge parts of <sys/time.h> from FreeBSD

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

5 files changed, 539 insertions, 65 deletions

diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 0de2ee27f..95c105706 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,29 @@
+2015-03-13  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	* libc/include/machine/_types.h (__suseconds_t): Define.
+	* libc/include/sys/_timeval.h: Import from FreeBSD and add
+	MinGW-w64 compatibility.
+	(timerclear): Copy from FreeBSD <sys/time.h>.
+	(timerisset): Likewise.
+	(timercmp): Likewise.
+	(timeradd): Likewise.
+	(timersub): Likewise.
+	* libc/include/sys/time.h: (bintime, ...) Import from FreeBSD.
+	(timespecclear, ...): Likewise.
+	(inittodr, ...): Likewise.
+	(timerclear): Delete.
+	(timerisset): Likewise.
+	(timercmp): Likewise.
+	(timeradd): Likewise.
+	(timersub): Likewise.
+	(futimes): Declare if __BSD_VISIBLE.
+	(futimesat): Likewise.
+	(lutimes): Likewise.
+	(setitimer): Declare unconditionally.
+	(gettimeofday): Declare if __XSI_VISIBLE.
+	* libc/include/sys/types.h (sbintime_t): Define.
+	(suseconds_t): Define conditionally via __suseconds_t.
+
 2015-03-12  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 
 	* libc/sys/rtems/include/semaphore.h: Import from FreeBSD.
diff --git a/newlib/libc/include/machine/types.h b/newlib/libc/include/machine/types.h
index 40a75faa5..4250ee371 100644
--- a/newlib/libc/include/machine/types.h
+++ b/newlib/libc/include/machine/types.h
@@ -25,6 +25,8 @@ typedef long int __loff_t;
 #endif
 #endif
 
+typedef	long		__suseconds_t;	/* microseconds (signed) */
+
 #endif	/* _MACHTYPES_H_ */
 
 
diff --git a/newlib/libc/include/sys/_timeval.h b/newlib/libc/include/sys/_timeval.h
new file mode 100644
index 000000000..0a4c539d9
--- /dev/null
+++ b/newlib/libc/include/sys/_timeval.h
@@ -0,0 +1,88 @@
+/*-
+ * Copyright (c) 2002 Mike Barcroft <mike@FreeBSD.org>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _SYS__TIMEVAL_H_
+#define _SYS__TIMEVAL_H_
+
+#include <machine/types.h>
+
+#ifndef _SUSECONDS_T_DECLARED
+typedef	__suseconds_t	suseconds_t;
+#define	_SUSECONDS_T_DECLARED
+#endif
+
+#ifndef __time_t_defined
+typedef	_TIME_T_	time_t;
+#define	__time_t_defined
+#endif
+
+/* This define is also used outside of Newlib, e.g. in MinGW-w64 */
+#ifndef _TIMEVAL_DEFINED
+#define _TIMEVAL_DEFINED
+
+/*
+ * Structure returned by gettimeofday(2) system call, and used in other calls.
+ */
+struct timeval {
+	time_t		tv_sec;		/* seconds */
+	suseconds_t	tv_usec;	/* and microseconds */
+};
+
+#if __BSD_VISIBLE
+#ifndef _KERNEL			/* NetBSD/OpenBSD compatible interfaces */
+
+#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))
+#define	timeradd(tvp, uvp, vvp)						\
+	do {								\
+		(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;		\
+		(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec;	\
+		if ((vvp)->tv_usec >= 1000000) {			\
+			(vvp)->tv_sec++;				\
+			(vvp)->tv_usec -= 1000000;			\
+		}							\
+	} while (0)
+#define	timersub(tvp, uvp, vvp)						\
+	do {								\
+		(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;		\
+		(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;	\
+		if ((vvp)->tv_usec < 0) {				\
+			(vvp)->tv_sec--;				\
+			(vvp)->tv_usec += 1000000;			\
+		}							\
+	} while (0)
+#endif
+#endif /* __BSD_VISIBLE */
+
+#endif /* _TIMEVAL_DEFINED */
+
+#endif /* !_SYS__TIMEVAL_H_ */
diff --git a/newlib/libc/include/sys/time.h b/newlib/libc/include/sys/time.h
index 470a1a640..4a34293fe 100644
--- a/newlib/libc/include/sys/time.h
+++ b/newlib/libc/include/sys/time.h
@@ -2,91 +2,443 @@
    Written by Geoffrey Noer <noer@cygnus.com>
    Public domain; no rights reserved. */
 
+/*-
+ * 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.
+ * 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	8.5 (Berkeley) 5/4/95
+ * $FreeBSD$
+ */
+
 #ifndef _SYS_TIME_H_
-#define _SYS_TIME_H_
+#define	_SYS_TIME_H_
 
 #include <_ansi.h>
-#include <sys/cdefs.h>
+#include <sys/_timeval.h>
 #include <sys/types.h>
+#include <sys/timespec.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+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 */
 
-#ifndef _TIMEVAL_DEFINED
-#define _TIMEVAL_DEFINED
-struct timeval {
-  time_t      tv_sec;
-  suseconds_t tv_usec;
+#if __BSD_VISIBLE
+struct bintime {
+	time_t	sec;
+	uint64_t frac;
 };
 
-/* BSD time macros used by RTEMS code */
-#if defined (__rtems__) || defined (__CYGWIN__)
-
-/* Convenience macros for operations on timevals.
-   NOTE: `timercmp' does not work for >= or <=.  */
-#define	timerisset(tvp)		((tvp)->tv_sec || (tvp)->tv_usec)
-#define	timerclear(tvp)		((tvp)->tv_sec = (tvp)->tv_usec = 0)
-#define	timercmp(a, b, CMP) 						      \
-  (((a)->tv_sec == (b)->tv_sec) ? 					      \
-   ((a)->tv_usec CMP (b)->tv_usec) : 					      \
-   ((a)->tv_sec CMP (b)->tv_sec))
-#define	timeradd(a, b, result)						      \
-  do {									      \
-    (result)->tv_sec = (a)->tv_sec + (b)->tv_sec;			      \
-    (result)->tv_usec = (a)->tv_usec + (b)->tv_usec;			      \
-    if ((result)->tv_usec >= 1000000)					      \
-      {									      \
-	++(result)->tv_sec;						      \
-	(result)->tv_usec -= 1000000;					      \
-      }									      \
-  } while (0)
-#define	timersub(a, b, result)						      \
-  do {									      \
-    (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;			      \
-    (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;			      \
-    if ((result)->tv_usec < 0) {					      \
-      --(result)->tv_sec;						      \
-      (result)->tv_usec += 1000000;					      \
-    }									      \
-  } while (0)
-#endif /* defined (__rtems__) || defined (__CYGWIN__) */
-#endif /* !_TIMEVAL_DEFINED */
+static __inline void
+bintime_addx(struct bintime *_bt, uint64_t _x)
+{
+	uint64_t _u;
 
-struct timezone {
-  int tz_minuteswest;
-  int tz_dsttime;
-};
+	_u = _bt->frac;
+	_bt->frac += _x;
+	if (_u > _bt->frac)
+		_bt->sec++;
+}
+
+static __inline void
+bintime_add(struct bintime *_bt, const struct bintime *_bt2)
+{
+	uint64_t _u;
+
+	_u = _bt->frac;
+	_bt->frac += _bt2->frac;
+	if (_u > _bt->frac)
+		_bt->sec++;
+	_bt->sec += _bt2->sec;
+}
+
+static __inline void
+bintime_sub(struct bintime *_bt, const struct bintime *_bt2)
+{
+	uint64_t _u;
+
+	_u = _bt->frac;
+	_bt->frac -= _bt2->frac;
+	if (_u < _bt->frac)
+		_bt->sec--;
+	_bt->sec -= _bt2->sec;
+}
+
+static __inline void
+bintime_mul(struct bintime *_bt, u_int _x)
+{
+	uint64_t _p1, _p2;
+
+	_p1 = (_bt->frac & 0xffffffffull) * _x;
+	_p2 = (_bt->frac >> 32) * _x + (_p1 >> 32);
+	_bt->sec *= _x;
+	_bt->sec += (_p2 >> 32);
+	_bt->frac = (_p2 << 32) | (_p1 & 0xffffffffull);
+}
+
+static __inline void
+bintime_shift(struct bintime *_bt, int _exp)
+{
+
+	if (_exp > 0) {
+		_bt->sec <<= _exp;
+		_bt->sec |= _bt->frac >> (64 - _exp);
+		_bt->frac <<= _exp;
+	} else if (_exp < 0) {
+		_bt->frac >>= -_exp;
+		_bt->frac |= (uint64_t)_bt->sec << (64 + _exp);
+		_bt->sec >>= -_exp;
+	}
+}
+
+#define	bintime_clear(a)	((a)->sec = (a)->frac = 0)
+#define	bintime_isset(a)	((a)->sec || (a)->frac)
+#define	bintime_cmp(a, b, cmp)						\
+	(((a)->sec == (b)->sec) ?					\
+	    ((a)->frac cmp (b)->frac) :					\
+	    ((a)->sec cmp (b)->sec))
+
+#define	SBT_1S	((sbintime_t)1 << 32)
+#define	SBT_1M	(SBT_1S * 60)
+#define	SBT_1MS	(SBT_1S / 1000)
+#define	SBT_1US	(SBT_1S / 1000000)
+#define	SBT_1NS	(SBT_1S / 1000000000)
+#define	SBT_MAX	0x7fffffffffffffffLL
+
+static __inline int
+sbintime_getsec(sbintime_t _sbt)
+{
+
+	return (_sbt >> 32);
+}
+
+static __inline sbintime_t
+bttosbt(const struct bintime _bt)
+{
+
+	return (((sbintime_t)_bt.sec << 32) + (_bt.frac >> 32));
+}
+
+static __inline struct bintime
+sbttobt(sbintime_t _sbt)
+{
+	struct bintime _bt;
+
+	_bt.sec = _sbt >> 32;
+	_bt.frac = _sbt << 32;
+	return (_bt);
+}
+
+/*-
+ * Background information:
+ *
+ * When converting between timestamps on parallel timescales of differing
+ * resolutions it is historical and scientific practice to round down rather
+ * than doing 4/5 rounding.
+ *
+ *   The date changes at midnight, not at noon.
+ *
+ *   Even at 15:59:59.999999999 it's not four'o'clock.
+ *
+ *   time_second ticks after N.999999999 not after N.4999999999
+ */
+
+static __inline void
+bintime2timespec(const struct bintime *_bt, struct timespec *_ts)
+{
+
+	_ts->tv_sec = _bt->sec;
+	_ts->tv_nsec = ((uint64_t)1000000000 *
+	    (uint32_t)(_bt->frac >> 32)) >> 32;
+}
+
+static __inline void
+timespec2bintime(const struct timespec *_ts, struct bintime *_bt)
+{
+
+	_bt->sec = _ts->tv_sec;
+	/* 18446744073 = int(2^64 / 1000000000) */
+	_bt->frac = _ts->tv_nsec * (uint64_t)18446744073LL;
+}
+
+static __inline void
+bintime2timeval(const struct bintime *_bt, struct timeval *_tv)
+{
+
+	_tv->tv_sec = _bt->sec;
+	_tv->tv_usec = ((uint64_t)1000000 * (uint32_t)(_bt->frac >> 32)) >> 32;
+}
+
+static __inline void
+timeval2bintime(const struct timeval *_tv, struct bintime *_bt)
+{
+
+	_bt->sec = _tv->tv_sec;
+	/* 18446744073709 = int(2^64 / 1000000) */
+	_bt->frac = _tv->tv_usec * (uint64_t)18446744073709LL;
+}
+
+static __inline struct timespec
+sbttots(sbintime_t _sbt)
+{
+	struct timespec _ts;
+
+	_ts.tv_sec = _sbt >> 32;
+	_ts.tv_nsec = ((uint64_t)1000000000 * (uint32_t)_sbt) >> 32;
+	return (_ts);
+}
+
+static __inline sbintime_t
+tstosbt(struct timespec _ts)
+{
+
+	return (((sbintime_t)_ts.tv_sec << 32) +
+	    (_ts.tv_nsec * (((uint64_t)1 << 63) / 500000000) >> 32));
+}
+
+static __inline struct timeval
+sbttotv(sbintime_t _sbt)
+{
+	struct timeval _tv;
+
+	_tv.tv_sec = _sbt >> 32;
+	_tv.tv_usec = ((uint64_t)1000000 * (uint32_t)_sbt) >> 32;
+	return (_tv);
+}
+
+static __inline sbintime_t
+tvtosbt(struct timeval _tv)
+{
+
+	return (((sbintime_t)_tv.tv_sec << 32) +
+	    (_tv.tv_usec * (((uint64_t)1 << 63) / 500000) >> 32));
+}
+#endif /* __BSD_VISIBLE */
+
+#ifdef _KERNEL
+
+/* Operations on timespecs */
+#define	timespecclear(tvp)	((tvp)->tv_sec = (tvp)->tv_nsec = 0)
+#define	timespecisset(tvp)	((tvp)->tv_sec || (tvp)->tv_nsec)
+#define	timespeccmp(tvp, uvp, cmp)					\
+	(((tvp)->tv_sec == (uvp)->tv_sec) ?				\
+	    ((tvp)->tv_nsec cmp (uvp)->tv_nsec) :			\
+	    ((tvp)->tv_sec cmp (uvp)->tv_sec))
+#define	timespecadd(vvp, uvp)						\
+	do {								\
+		(vvp)->tv_sec += (uvp)->tv_sec;				\
+		(vvp)->tv_nsec += (uvp)->tv_nsec;			\
+		if ((vvp)->tv_nsec >= 1000000000) {			\
+			(vvp)->tv_sec++;				\
+			(vvp)->tv_nsec -= 1000000000;			\
+		}							\
+	} while (0)
+#define	timespecsub(vvp, uvp)						\
+	do {								\
+		(vvp)->tv_sec -= (uvp)->tv_sec;				\
+		(vvp)->tv_nsec -= (uvp)->tv_nsec;			\
+		if ((vvp)->tv_nsec < 0) {				\
+			(vvp)->tv_sec--;				\
+			(vvp)->tv_nsec += 1000000000;			\
+		}							\
+	} while (0)
+
+/* Operations on timevals. */
+
+#define	timevalclear(tvp)		((tvp)->tv_sec = (tvp)->tv_usec = 0)
+#define	timevalisset(tvp)		((tvp)->tv_sec || (tvp)->tv_usec)
+#define	timevalcmp(tvp, uvp, cmp)					\
+	(((tvp)->tv_sec == (uvp)->tv_sec) ?				\
+	    ((tvp)->tv_usec cmp (uvp)->tv_usec) :			\
+	    ((tvp)->tv_sec cmp (uvp)->tv_sec))
+
+/* timevaladd and timevalsub are not inlined */
+
+#endif /* _KERNEL */
 
 #ifdef __CYGWIN__
 #include <cygwin/sys_time.h>
 #endif /* __CYGWIN__ */
 
-#define ITIMER_REAL     0
-#define ITIMER_VIRTUAL  1
-#define ITIMER_PROF     2
+/*
+ * 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;
-  struct  timeval it_value;
+struct itimerval {
+	struct	timeval it_interval;	/* timer interval */
+	struct	timeval it_value;	/* current value */
 };
 
-#ifdef _COMPILING_NEWLIB
-int _EXFUN(_gettimeofday, (struct timeval *__p, void *__tz));
-#endif
+#ifdef _KERNEL
+
+/*
+ * Kernel to clock driver interface.
+ */
+void	inittodr(time_t base);
+void	resettodr(void);
+
+extern volatile time_t	time_second;
+extern volatile time_t	time_uptime;
+extern struct bintime boottimebin;
+extern struct timeval boottime;
+extern struct bintime tc_tick_bt;
+extern sbintime_t tc_tick_sbt;
+extern struct bintime tick_bt;
+extern sbintime_t tick_sbt;
+extern int tc_precexp;
+extern int tc_timepercentage;
+extern struct bintime bt_timethreshold;
+extern struct bintime bt_tickthreshold;
+extern sbintime_t sbt_timethreshold;
+extern sbintime_t sbt_tickthreshold;
+
+/*
+ * Functions for looking at our clock: [get]{bin,nano,micro}[up]time()
+ *
+ * Functions without the "get" prefix returns the best timestamp
+ * we can produce in the given format.
+ *
+ * "bin"   == struct bintime  == seconds + 64 bit fraction of seconds.
+ * "nano"  == struct timespec == seconds + nanoseconds.
+ * "micro" == struct timeval  == seconds + microseconds.
+ *
+ * Functions containing "up" returns time relative to boot and
+ * should be used for calculating time intervals.
+ *
+ * Functions without "up" returns UTC time.
+ *
+ * Functions with the "get" prefix returns a less precise result
+ * much faster than the functions without "get" prefix and should
+ * be used where a precision of 1/hz seconds is acceptable or where
+ * performance is priority. (NB: "precision", _not_ "resolution" !)
+ */
+
+void	binuptime(struct bintime *bt);
+void	nanouptime(struct timespec *tsp);
+void	microuptime(struct timeval *tvp);
+
+static __inline sbintime_t
+sbinuptime(void)
+{
+	struct bintime _bt;
+
+	binuptime(&_bt);
+	return (bttosbt(_bt));
+}
+
+void	bintime(struct bintime *bt);
+void	nanotime(struct timespec *tsp);
+void	microtime(struct timeval *tvp);
+
+void	getbinuptime(struct bintime *bt);
+void	getnanouptime(struct timespec *tsp);
+void	getmicrouptime(struct timeval *tvp);
+
+static __inline sbintime_t
+getsbinuptime(void)
+{
+	struct bintime _bt;
+
+	getbinuptime(&_bt);
+	return (bttosbt(_bt));
+}
+
+void	getbintime(struct bintime *bt);
+void	getnanotime(struct timespec *tsp);
+void	getmicrotime(struct timeval *tvp);
+
+/* Other functions */
+int	itimerdecr(struct itimerval *itp, int usec);
+int	itimerfix(struct timeval *tv);
+int	ppsratecheck(struct timeval *, int *, int);
+int	ratecheck(struct timeval *, const struct timeval *);
+void	timevaladd(struct timeval *t1, const struct timeval *t2);
+void	timevalsub(struct timeval *t1, const struct timeval *t2);
+int	tvtohz(struct timeval *tv);
+
+#define	TC_DEFAULTPERC		5
+
+#define	BT2FREQ(bt)                                                     \
+	(((uint64_t)0x8000000000000000 + ((bt)->frac >> 2)) /           \
+	    ((bt)->frac >> 1))
+
+#define	SBT2FREQ(sbt)	((SBT_1S + ((sbt) >> 1)) / (sbt))
+
+#define	FREQ2BT(freq, bt)                                               \
+{									\
+	(bt)->sec = 0;                                                  \
+	(bt)->frac = ((uint64_t)0x8000000000000000  / (freq)) << 1;     \
+}
+
+#define	TIMESEL(sbt, sbt2)						\
+	(((sbt2) >= sbt_timethreshold) ?				\
+	    ((*(sbt) = getsbinuptime()), 1) : ((*(sbt) = sbinuptime()), 0))
+
+#else /* !_KERNEL */
+#include <time.h>
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+int _EXFUN(setitimer, (int __which, const struct itimerval *__restrict __value,
+					struct itimerval *__restrict __ovalue));
+int _EXFUN(utimes, (const char *__path, const struct timeval *__tvp));
 
-int _EXFUN(gettimeofday, (struct timeval *__restrict __p,
-			  void *__restrict __tz));
 #if __BSD_VISIBLE
-int _EXFUN(settimeofday, (const struct timeval *, const struct timezone *));
 int _EXFUN(adjtime, (const struct timeval *, struct timeval *));
+int _EXFUN(futimes, (int, const struct timeval *));
+int _EXFUN(futimesat, (int, const char *, const struct timeval [2]));
+int _EXFUN(lutimes, (const char *, const struct timeval *));
+int _EXFUN(settimeofday, (const struct timeval *, const struct timezone *));
 #endif
-int _EXFUN(utimes, (const char *__path, const struct timeval *__tvp));
+
+#if __XSI_VISIBLE
 int _EXFUN(getitimer, (int __which, struct itimerval *__value));
-int _EXFUN(setitimer, (int __which, const struct itimerval *__restrict __value,
-					struct itimerval *__restrict __ovalue));
+int _EXFUN(gettimeofday, (struct timeval *__restrict __p,
+			  void *__restrict __tz));
+#endif
 
-#ifdef __cplusplus
-}
+#ifdef _COMPILING_NEWLIB
+int _EXFUN(_gettimeofday, (struct timeval *__p, void *__tz));
 #endif
-#endif /* _SYS_TIME_H_ */
+
+__END_DECLS
+
+#endif /* !_KERNEL */
+
+#endif /* !_SYS_TIME_H_ */
diff --git a/newlib/libc/include/sys/types.h b/newlib/libc/include/sys/types.h
index f20ef111e..227f83cf5 100644
--- a/newlib/libc/include/sys/types.h
+++ b/newlib/libc/include/sys/types.h
@@ -267,7 +267,13 @@ typedef _TIMER_T_ timer_t;
 #endif
 
 typedef unsigned long useconds_t;
-typedef long suseconds_t;
+
+#ifndef _SUSECONDS_T_DECLARED
+typedef	__suseconds_t	suseconds_t;
+#define	_SUSECONDS_T_DECLARED
+#endif
+
+typedef	__int64_t	sbintime_t;
 
 #include <sys/features.h>