NetBSD/sys/compat/common/kern_time_30.c

84 lines
2.9 KiB
C

/* $NetBSD: kern_time_30.c,v 1.4 2011/01/19 10:21:16 tsutsui Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* 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 NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 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>
__KERNEL_RCSID(0, "$NetBSD: kern_time_30.c,v 1.4 2011/01/19 10:21:16 tsutsui Exp $");
#include "opt_ntp.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/time.h>
#include <sys/timex.h>
#include <compat/common/compat_util.h>
#include <compat/sys/time.h>
#include <compat/sys/timex.h>
#include <sys/syscallargs.h>
int
compat_30_sys_ntp_gettime(struct lwp *l,
const struct compat_30_sys_ntp_gettime_args *uap, register_t *retval)
{
#ifdef NTP
/* {
syscallarg(struct ntptimeval30 *) ontvp;
} */
struct ntptimeval ntv;
struct ntptimeval30 ntv30;
struct timeval tv;
int error;
if (SCARG(uap, ntvp)) {
ntp_gettime(&ntv);
TIMESPEC_TO_TIMEVAL(&tv, &ntv.time);
timeval_to_timeval50(&tv, &ntv30.time);
ntv30.maxerror = ntv.maxerror;
ntv30.esterror = ntv.esterror;
error = copyout(&ntv30, SCARG(uap, ntvp), sizeof(ntv30));
if (error)
return error;
}
*retval = ntp_timestatus();
return 0;
#else
return ENOSYS;
#endif
}