Index: head/sys/compat/linux/linux_time.c
===================================================================
--- head/sys/compat/linux/linux_time.c	(revision 357492)
+++ head/sys/compat/linux/linux_time.c	(revision 357493)
@@ -1,620 +1,647 @@
 /*	$NetBSD: linux_time.c,v 1.14 2006/05/14 03:40:54 christos Exp $ */
 
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-NetBSD
  *
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
  * All rights reserved.
  *
  * This code is derived from software contributed to The NetBSD Foundation
  * by Emmanuel Dreyfus.
  *
  * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
  */
 
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 #if 0
 __KERNEL_RCSID(0, "$NetBSD: linux_time.c,v 1.14 2006/05/14 03:40:54 christos Exp $");
 #endif
 
 #include "opt_compat.h"
 
 #include <sys/param.h>
 #include <sys/kernel.h>
 #include <sys/lock.h>
 #include <sys/ucred.h>
 #include <sys/limits.h>
 #include <sys/mount.h>
 #include <sys/mutex.h>
 #include <sys/resourcevar.h>
 #include <sys/sdt.h>
 #include <sys/signal.h>
 #include <sys/stdint.h>
 #include <sys/syscallsubr.h>
 #include <sys/sysproto.h>
 #include <sys/time.h>
 #include <sys/systm.h>
 #include <sys/proc.h>
 
 #ifdef COMPAT_LINUX32
 #include <machine/../linux32/linux.h>
 #include <machine/../linux32/linux32_proto.h>
 #else
 #include <machine/../linux/linux.h>
 #include <machine/../linux/linux_proto.h>
 #endif
 
 #include <compat/linux/linux_dtrace.h>
+#include <compat/linux/linux_misc.h>
 #include <compat/linux/linux_timer.h>
 
 /* DTrace init */
 LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
 
 /**
  * DTrace probes in this module.
  */
 LIN_SDT_PROBE_DEFINE2(time, native_to_linux_timespec, entry,
     "struct l_timespec *", "struct timespec *");
 LIN_SDT_PROBE_DEFINE0(time, native_to_linux_timespec, return);
 LIN_SDT_PROBE_DEFINE2(time, linux_to_native_timespec, entry,
     "struct timespec *", "struct l_timespec *");
 LIN_SDT_PROBE_DEFINE1(time, linux_to_native_timespec, return, "int");
 LIN_SDT_PROBE_DEFINE2(time, linux_to_native_clockid, entry, "clockid_t *",
     "clockid_t");
 LIN_SDT_PROBE_DEFINE1(time, linux_to_native_clockid, unsupported_clockid,
     "clockid_t");
 LIN_SDT_PROBE_DEFINE1(time, linux_to_native_clockid, unknown_clockid,
     "clockid_t");
 LIN_SDT_PROBE_DEFINE1(time, linux_to_native_clockid, return, "int");
 LIN_SDT_PROBE_DEFINE2(time, linux_clock_gettime, entry, "clockid_t",
     "struct l_timespec *");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_gettime, conversion_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_gettime, gettime_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_gettime, copyout_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_gettime, return, "int");
 LIN_SDT_PROBE_DEFINE2(time, linux_clock_settime, entry, "clockid_t",
     "struct l_timespec *");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime, conversion_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime, settime_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime, copyin_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime, return, "int");
 LIN_SDT_PROBE_DEFINE2(time, linux_clock_getres, entry, "clockid_t",
     "struct l_timespec *");
 LIN_SDT_PROBE_DEFINE0(time, linux_clock_getres, nullcall);
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_getres, conversion_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_getres, getres_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_getres, copyout_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_getres, return, "int");
 LIN_SDT_PROBE_DEFINE2(time, linux_nanosleep, entry, "const struct l_timespec *",
     "struct l_timespec *");
 LIN_SDT_PROBE_DEFINE1(time, linux_nanosleep, conversion_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_nanosleep, copyout_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_nanosleep, copyin_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_nanosleep, return, "int");
 LIN_SDT_PROBE_DEFINE4(time, linux_clock_nanosleep, entry, "clockid_t", "int",
     "struct l_timespec *", "struct l_timespec *");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, conversion_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, copyout_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, copyin_error, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, unsupported_flags, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, unsupported_clockid, "int");
 LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, return, "int");
 
 
 int
 native_to_linux_timespec(struct l_timespec *ltp, struct timespec *ntp)
 {
 
 	LIN_SDT_PROBE2(time, native_to_linux_timespec, entry, ltp, ntp);
 #ifdef COMPAT_LINUX32
 	if (ntp->tv_sec > INT_MAX || ntp->tv_sec < INT_MIN)
 		return (EOVERFLOW);
 #endif
 	ltp->tv_sec = ntp->tv_sec;
 	ltp->tv_nsec = ntp->tv_nsec;
 
 	LIN_SDT_PROBE0(time, native_to_linux_timespec, return);
 	return (0);
 }
 
 int
 linux_to_native_timespec(struct timespec *ntp, struct l_timespec *ltp)
 {
 
 	LIN_SDT_PROBE2(time, linux_to_native_timespec, entry, ntp, ltp);
 
 	if (ltp->tv_sec < 0 || ltp->tv_nsec < 0 || ltp->tv_nsec > 999999999) {
 		LIN_SDT_PROBE1(time, linux_to_native_timespec, return, EINVAL);
 		return (EINVAL);
 	}
 	ntp->tv_sec = ltp->tv_sec;
 	ntp->tv_nsec = ltp->tv_nsec;
 
 	LIN_SDT_PROBE1(time, linux_to_native_timespec, return, 0);
 	return (0);
 }
 
 int
 native_to_linux_itimerspec(struct l_itimerspec *ltp, struct itimerspec *ntp)
 {
 	int error;
 
 	error = native_to_linux_timespec(&ltp->it_interval, &ntp->it_interval);
 	if (error == 0)
 		error = native_to_linux_timespec(&ltp->it_value, &ntp->it_interval);
 	return (error);
 }
 
 int
 linux_to_native_itimerspec(struct itimerspec *ntp, struct l_itimerspec *ltp)
 {
 	int error;
 
 	error = linux_to_native_timespec(&ntp->it_interval, &ltp->it_interval);
 	if (error == 0)
 		error = linux_to_native_timespec(&ntp->it_value, &ltp->it_value);
 	return (error);
 }
 
 int
 linux_to_native_clockid(clockid_t *n, clockid_t l)
 {
 
 	LIN_SDT_PROBE2(time, linux_to_native_clockid, entry, n, l);
 
 	if (l < 0) {
 		/* cpu-clock */
 		if ((l & LINUX_CLOCKFD_MASK) == LINUX_CLOCKFD)
 			return (EINVAL);
 		if (LINUX_CPUCLOCK_WHICH(l) >= LINUX_CPUCLOCK_MAX)
 			return (EINVAL);
 
 		if (LINUX_CPUCLOCK_PERTHREAD(l))
 			*n = CLOCK_THREAD_CPUTIME_ID;
 		else
 			*n = CLOCK_PROCESS_CPUTIME_ID;
 		return (0);
 	}
 
 	switch (l) {
 	case LINUX_CLOCK_REALTIME:
 		*n = CLOCK_REALTIME;
 		break;
 	case LINUX_CLOCK_MONOTONIC:
 		*n = CLOCK_MONOTONIC;
 		break;
+	case LINUX_CLOCK_PROCESS_CPUTIME_ID:
+		*n = CLOCK_PROCESS_CPUTIME_ID;
+		break;
+	case LINUX_CLOCK_THREAD_CPUTIME_ID:
+		*n = CLOCK_THREAD_CPUTIME_ID;
+		break;
 	case LINUX_CLOCK_REALTIME_COARSE:
 		*n = CLOCK_REALTIME_FAST;
 		break;
 	case LINUX_CLOCK_MONOTONIC_COARSE:
 		*n = CLOCK_MONOTONIC_FAST;
 		break;
 	case LINUX_CLOCK_BOOTTIME:
 		*n = CLOCK_UPTIME;
 		break;
 	case LINUX_CLOCK_MONOTONIC_RAW:
 	case LINUX_CLOCK_REALTIME_ALARM:
 	case LINUX_CLOCK_BOOTTIME_ALARM:
 	case LINUX_CLOCK_SGI_CYCLE:
 	case LINUX_CLOCK_TAI:
 		LIN_SDT_PROBE1(time, linux_to_native_clockid,
 		    unsupported_clockid, l);
 		LIN_SDT_PROBE1(time, linux_to_native_clockid, return, EINVAL);
 		return (EINVAL);
 	default:
 		LIN_SDT_PROBE1(time, linux_to_native_clockid,
 		    unknown_clockid, l);
 		LIN_SDT_PROBE1(time, linux_to_native_clockid, return, EINVAL);
 		return (EINVAL);
 	}
 
 	LIN_SDT_PROBE1(time, linux_to_native_clockid, return, 0);
 	return (0);
 }
 
 int
 linux_to_native_timerflags(int *nflags, int flags)
 {
 
 	if (flags & ~LINUX_TIMER_ABSTIME)
 		return (EINVAL);
 	*nflags = 0;
 	if (flags & LINUX_TIMER_ABSTIME)
 		*nflags |= TIMER_ABSTIME;
 	return (0);
 }
 
 int
 linux_clock_gettime(struct thread *td, struct linux_clock_gettime_args *args)
 {
 	struct l_timespec lts;
 	struct timespec tp;
 	struct rusage ru;
 	struct thread *targettd;
 	struct proc *p;
 	int error, clockwhich;
 	clockid_t nwhich;
 	pid_t pid;
 	lwpid_t tid;
 
 	LIN_SDT_PROBE2(time, linux_clock_gettime, entry, args->which, args->tp);
 
 	error = linux_to_native_clockid(&nwhich, args->which);
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_clock_gettime, conversion_error,
 		    error);
 		LIN_SDT_PROBE1(time, linux_clock_gettime, return, error);
 		return (error);
 	}
 
 	switch (nwhich) {
 	case CLOCK_PROCESS_CPUTIME_ID:
-		clockwhich = LINUX_CPUCLOCK_WHICH(args->which);
-		pid = LINUX_CPUCLOCK_ID(args->which);
+		if (args->which < 0) {
+			clockwhich = LINUX_CPUCLOCK_WHICH(args->which);
+			pid = LINUX_CPUCLOCK_ID(args->which);
+		} else {
+			clockwhich = LINUX_CPUCLOCK_SCHED;
+			pid = 0;
+		}
 		if (pid == 0) {
 			p = td->td_proc;
 			PROC_LOCK(p);
 		} else {
 			error = pget(pid, PGET_CANSEE, &p);
 			if (error != 0)
 				return (EINVAL);
 		}
 		switch (clockwhich) {
 		case LINUX_CPUCLOCK_PROF:
 			PROC_STATLOCK(p);
 			calcru(p, &ru.ru_utime, &ru.ru_stime);
 			PROC_STATUNLOCK(p);
 			PROC_UNLOCK(p);
 			timevaladd(&ru.ru_utime, &ru.ru_stime);
 			TIMEVAL_TO_TIMESPEC(&ru.ru_utime, &tp);
 			break;
 		case LINUX_CPUCLOCK_VIRT:
 			PROC_STATLOCK(p);
 			calcru(p, &ru.ru_utime, &ru.ru_stime);
 			PROC_STATUNLOCK(p);
 			PROC_UNLOCK(p);
 			TIMEVAL_TO_TIMESPEC(&ru.ru_utime, &tp);
 			break;
 		case LINUX_CPUCLOCK_SCHED:
+			kern_process_cputime(p, &tp);
 			PROC_UNLOCK(p);
-			error = kern_clock_getcpuclockid2(td, pid,
-			    CPUCLOCK_WHICH_PID, &nwhich);
-			if (error != 0)
-				return (EINVAL);
-			error = kern_clock_gettime(td, nwhich, &tp);
 			break;
 		default:
 			PROC_UNLOCK(p);
 			return (EINVAL);
 		}
 
 		break;
 
 	case CLOCK_THREAD_CPUTIME_ID:
-		clockwhich = LINUX_CPUCLOCK_WHICH(args->which);
+		if (args->which < 0) {
+			clockwhich = LINUX_CPUCLOCK_WHICH(args->which);
+			tid = LINUX_CPUCLOCK_ID(args->which);
+		} else {
+			clockwhich = LINUX_CPUCLOCK_SCHED;
+			tid = 0;
+		}
 		p = td->td_proc;
-		tid = LINUX_CPUCLOCK_ID(args->which);
 		if (tid == 0) {
 			targettd = td;
 			PROC_LOCK(p);
 		} else {
-			targettd = tdfind(tid, p->p_pid);
+			targettd = linux_tdfind(td, tid, p->p_pid);
 			if (targettd == NULL)
 				return (EINVAL);
 		}
 		switch (clockwhich) {
 		case LINUX_CPUCLOCK_PROF:
 			PROC_STATLOCK(p);
 			thread_lock(targettd);
 			rufetchtd(targettd, &ru);
 			thread_unlock(targettd);
 			PROC_STATUNLOCK(p);
 			PROC_UNLOCK(p);
 			timevaladd(&ru.ru_utime, &ru.ru_stime);
 			TIMEVAL_TO_TIMESPEC(&ru.ru_utime, &tp);
 			break;
 		case LINUX_CPUCLOCK_VIRT:
 			PROC_STATLOCK(p);
 			thread_lock(targettd);
 			rufetchtd(targettd, &ru);
 			thread_unlock(targettd);
 			PROC_STATUNLOCK(p);
 			PROC_UNLOCK(p);
 			TIMEVAL_TO_TIMESPEC(&ru.ru_utime, &tp);
 			break;
 		case LINUX_CPUCLOCK_SCHED:
-			error = kern_clock_getcpuclockid2(td, tid,
-			    CPUCLOCK_WHICH_TID, &nwhich);
+			if (td == targettd)
+				targettd = NULL;
+			kern_thread_cputime(targettd, &tp);
 			PROC_UNLOCK(p);
-			if (error != 0)
-				return (EINVAL);
-			error = kern_clock_gettime(td, nwhich, &tp);
 			break;
 		default:
 			PROC_UNLOCK(p);
 			return (EINVAL);
 		}
 		break;
 
 	default:
 		error = kern_clock_gettime(td, nwhich, &tp);
 		break;
 	}
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_clock_gettime, gettime_error, error);
 		LIN_SDT_PROBE1(time, linux_clock_gettime, return, error);
 		return (error);
 	}
 	error = native_to_linux_timespec(&lts, &tp);
 	if (error != 0)
 		return (error);
 	error = copyout(&lts, args->tp, sizeof lts);
 	if (error != 0)
 		LIN_SDT_PROBE1(time, linux_clock_gettime, copyout_error, error);
 
 	LIN_SDT_PROBE1(time, linux_clock_gettime, return, error);
 	return (error);
 }
 
 int
 linux_clock_settime(struct thread *td, struct linux_clock_settime_args *args)
 {
 	struct timespec ts;
 	struct l_timespec lts;
 	int error;
 	clockid_t nwhich;
 
 	LIN_SDT_PROBE2(time, linux_clock_settime, entry, args->which, args->tp);
 
 	error = linux_to_native_clockid(&nwhich, args->which);
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_clock_settime, conversion_error,
 		    error);
 		LIN_SDT_PROBE1(time, linux_clock_settime, return, error);
 		return (error);
 	}
 	error = copyin(args->tp, &lts, sizeof lts);
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_clock_settime, copyin_error, error);
 		LIN_SDT_PROBE1(time, linux_clock_settime, return, error);
 		return (error);
 	}
 	error = linux_to_native_timespec(&ts, &lts);
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_clock_settime, conversion_error,
 		    error);
 		LIN_SDT_PROBE1(time, linux_clock_settime, return, error);
 		return (error);
 	}
 
 	error = kern_clock_settime(td, nwhich, &ts);
 	if (error != 0)
 		LIN_SDT_PROBE1(time, linux_clock_settime, settime_error, error);
 
 	LIN_SDT_PROBE1(time, linux_clock_settime, return, error);
 	return (error);
 }
 
 int
 linux_clock_getres(struct thread *td, struct linux_clock_getres_args *args)
 {
 	struct proc *p;
 	struct timespec ts;
 	struct l_timespec lts;
 	int error, clockwhich;
 	clockid_t nwhich;
 	pid_t pid;
 	lwpid_t tid;
 
 	LIN_SDT_PROBE2(time, linux_clock_getres, entry, args->which, args->tp);
 
 	error = linux_to_native_clockid(&nwhich, args->which);
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_clock_getres, conversion_error,
 		    error);
 		LIN_SDT_PROBE1(time, linux_clock_getres, return, error);
 		return (error);
 	}
 
 	/*
 	 * Check user supplied clock id in case of per-process
 	 * or thread-specific cpu-time clock.
 	 */
-	switch (nwhich) {
-	case CLOCK_THREAD_CPUTIME_ID:
-		tid = LINUX_CPUCLOCK_ID(args->which);
-		if (tid != 0) {
-			p = td->td_proc;
-			if (tdfind(tid, p->p_pid) == NULL)
-				return (ESRCH);
-			PROC_UNLOCK(p);
+	if (args->which < 0) {
+		switch (nwhich) {
+		case CLOCK_THREAD_CPUTIME_ID:
+			tid = LINUX_CPUCLOCK_ID(args->which);
+			if (tid != 0) {
+				p = td->td_proc;
+				if (linux_tdfind(td, tid, p->p_pid) == NULL)
+					return (EINVAL);
+				PROC_UNLOCK(p);
+			}
+			break;
+		case CLOCK_PROCESS_CPUTIME_ID:
+			pid = LINUX_CPUCLOCK_ID(args->which);
+			if (pid != 0) {
+				error = pget(pid, PGET_CANSEE, &p);
+				if (error != 0)
+					return (EINVAL);
+				PROC_UNLOCK(p);
+			}
+			break;
 		}
-		break;
-	case CLOCK_PROCESS_CPUTIME_ID:
-		pid = LINUX_CPUCLOCK_ID(args->which);
-		if (pid != 0) {
-			error = pget(pid, PGET_CANSEE, &p);
-			if (error != 0)
-				return (EINVAL);
-			PROC_UNLOCK(p);
-		}
-		break;
 	}
 
 	if (args->tp == NULL) {
 		LIN_SDT_PROBE0(time, linux_clock_getres, nullcall);
 		LIN_SDT_PROBE1(time, linux_clock_getres, return, 0);
 		return (0);
 	}
 
 	switch (nwhich) {
 	case CLOCK_THREAD_CPUTIME_ID:
 	case CLOCK_PROCESS_CPUTIME_ID:
 		clockwhich = LINUX_CPUCLOCK_WHICH(args->which);
+		/*
+		 * In both cases (when the clock id obtained by a call to
+		 * clock_getcpuclockid() or using the clock
+		 * ID CLOCK_PROCESS_CPUTIME_ID Linux hardcodes precision
+		 * of clock. The same for the CLOCK_THREAD_CPUTIME_ID clock.
+		 *
+		 * See Linux posix_cpu_clock_getres() implementation.
+		 */
+		if (args->which > 0 || clockwhich == LINUX_CPUCLOCK_SCHED) {
+			ts.tv_sec = 0;
+			ts.tv_nsec = 1;
+			goto out;
+		}
+
 		switch (clockwhich) {
 		case LINUX_CPUCLOCK_PROF:
 			nwhich = CLOCK_PROF;
 			break;
 		case LINUX_CPUCLOCK_VIRT:
 			nwhich = CLOCK_VIRTUAL;
 			break;
-		case LINUX_CPUCLOCK_SCHED:
-			break;
 		default:
 			return (EINVAL);
 		}
 		break;
 
 	default:
 		break;
 	}
 	error = kern_clock_getres(td, nwhich, &ts);
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_clock_getres, getres_error, error);
 		LIN_SDT_PROBE1(time, linux_clock_getres, return, error);
 		return (error);
 	}
+
+out:
 	error = native_to_linux_timespec(&lts, &ts);
 	if (error != 0)
 		return (error);
 	error = copyout(&lts, args->tp, sizeof lts);
 	if (error != 0)
 		LIN_SDT_PROBE1(time, linux_clock_getres, copyout_error, error);
 
 	LIN_SDT_PROBE1(time, linux_clock_getres, return, error);
 	return (error);
 }
 
 int
 linux_nanosleep(struct thread *td, struct linux_nanosleep_args *args)
 {
 	struct timespec *rmtp;
 	struct l_timespec lrqts, lrmts;
 	struct timespec rqts, rmts;
 	int error, error2;
 
 	LIN_SDT_PROBE2(time, linux_nanosleep, entry, args->rqtp, args->rmtp);
 
 	error = copyin(args->rqtp, &lrqts, sizeof lrqts);
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_nanosleep, copyin_error, error);
 		LIN_SDT_PROBE1(time, linux_nanosleep, return, error);
 		return (error);
 	}
 
 	if (args->rmtp != NULL)
 		rmtp = &rmts;
 	else
 		rmtp = NULL;
 
 	error = linux_to_native_timespec(&rqts, &lrqts);
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_nanosleep, conversion_error, error);
 		LIN_SDT_PROBE1(time, linux_nanosleep, return, error);
 		return (error);
 	}
 	error = kern_nanosleep(td, &rqts, rmtp);
 	if (error == EINTR && args->rmtp != NULL) {
 		error2 = native_to_linux_timespec(&lrmts, rmtp);
 		if (error2 != 0)
 			return (error2);
 		error2 = copyout(&lrmts, args->rmtp, sizeof(lrmts));
 		if (error2 != 0) {
 			LIN_SDT_PROBE1(time, linux_nanosleep, copyout_error,
 			    error2);
 			LIN_SDT_PROBE1(time, linux_nanosleep, return, error2);
 			return (error2);
 		}
 	}
 
 	LIN_SDT_PROBE1(time, linux_nanosleep, return, error);
 	return (error);
 }
 
 int
 linux_clock_nanosleep(struct thread *td, struct linux_clock_nanosleep_args *args)
 {
 	struct timespec *rmtp;
 	struct l_timespec lrqts, lrmts;
 	struct timespec rqts, rmts;
 	int error, error2, flags;
 	clockid_t clockid;
 
 	LIN_SDT_PROBE4(time, linux_clock_nanosleep, entry, args->which,
 	    args->flags, args->rqtp, args->rmtp);
 
 	error = linux_to_native_timerflags(&flags, args->flags);
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_clock_nanosleep, unsupported_flags,
 		    args->flags);
 		LIN_SDT_PROBE1(time, linux_clock_nanosleep, return, error);
 		return (error);
 	}
 
 	error = linux_to_native_clockid(&clockid, args->which);
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_clock_nanosleep, unsupported_clockid,
 		    args->which);
 		LIN_SDT_PROBE1(time, linux_clock_settime, return, error);
 		return (error);
 	}
 
 	error = copyin(args->rqtp, &lrqts, sizeof(lrqts));
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_clock_nanosleep, copyin_error,
 		    error);
 		LIN_SDT_PROBE1(time, linux_clock_nanosleep, return, error);
 		return (error);
 	}
 
 	if (args->rmtp != NULL)
 		rmtp = &rmts;
 	else
 		rmtp = NULL;
 
 	error = linux_to_native_timespec(&rqts, &lrqts);
 	if (error != 0) {
 		LIN_SDT_PROBE1(time, linux_clock_nanosleep, conversion_error,
 		    error);
 		LIN_SDT_PROBE1(time, linux_clock_nanosleep, return, error);
 		return (error);
 	}
 	error = kern_clock_nanosleep(td, clockid, flags, &rqts, rmtp);
 	if (error == EINTR && (flags & TIMER_ABSTIME) == 0 &&
 	    args->rmtp != NULL) {
 		error2 = native_to_linux_timespec(&lrmts, rmtp);
 		if (error2 != 0)
 			return (error2);
 		error2 = copyout(&lrmts, args->rmtp, sizeof(lrmts));
 		if (error2 != 0) {
 			LIN_SDT_PROBE1(time, linux_clock_nanosleep,
 			    copyout_error, error2);
 			LIN_SDT_PROBE1(time, linux_clock_nanosleep,
 			    return, error2);
 			return (error2);
 		}
 	}
 
 	LIN_SDT_PROBE1(time, linux_clock_nanosleep, return, error);
 	return (error);
 }