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/* $NetBSD: kern_time_30.c,v 1.8 2019/12/15 16:48:26 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.
*
* 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 1.8 2019/12/15 16:48:26 tsutsui Exp $");
#ifdef _KERNEL_OPT
#include "opt_compat_netbsd.h"
#include "opt_ntp.h"
#endif
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/time.h>
#include <sys/timex.h>
#include <sys/syscall.h>
#include <sys/syscallvar.h>
#include <sys/syscallargs.h>
#include <sys/compat_stub.h>
#include <compat/common/compat_mod.h>
#include <compat/common/compat_util.h>
#include <compat/sys/time.h>
#include <compat/sys/timex.h>
static const struct syscall_package kern_time_30_syscalls[] = {
{ SYS_compat_30_ntp_gettime, 0,
(sy_call_t *)compat_30_sys_ntp_gettime },
{ 0, 0, NULL }
};
int
compat_30_sys_ntp_gettime(struct lwp *l,
const struct compat_30_sys_ntp_gettime_args *uap, register_t *retval)
{
/* {
syscallarg(struct ntptimeval30 *) ontvp;
} */
struct ntptimeval ntv;
struct ntptimeval30 ntv30;
struct timeval tv;
int error;
if (vec_ntp_gettime == NULL)
return ENOSYS;
if (SCARG(uap, ntvp)) {
(*vec_ntp_gettime)(&ntv);
memset(&ntv30, 0, sizeof(ntv30));
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 = (*vec_ntp_timestatus)();
return 0;
}
int
kern_time_30_init(void)
{
return syscall_establish(NULL, kern_time_30_syscalls);
}
int
kern_time_30_fini(void)
{
return syscall_disestablish(NULL, kern_time_30_syscalls);
}
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