86 lines
3.0 KiB
C
86 lines
3.0 KiB
C
/* $NetBSD: kern_time_30.c,v 1.5 2016/11/03 03:37:06 riastradh Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: kern_time_30.c,v 1.5 2016/11/03 03:37:06 riastradh Exp $");
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#ifdef _KERNEL_OPT
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#include "opt_ntp.h"
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#endif
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/time.h>
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#include <sys/timex.h>
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#include <compat/common/compat_util.h>
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#include <compat/sys/time.h>
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#include <compat/sys/timex.h>
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#include <sys/syscallargs.h>
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int
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compat_30_sys_ntp_gettime(struct lwp *l,
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const struct compat_30_sys_ntp_gettime_args *uap, register_t *retval)
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{
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#ifdef NTP
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/* {
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syscallarg(struct ntptimeval30 *) ontvp;
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} */
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struct ntptimeval ntv;
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struct ntptimeval30 ntv30;
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struct timeval tv;
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int error;
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if (SCARG(uap, ntvp)) {
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ntp_gettime(&ntv);
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TIMESPEC_TO_TIMEVAL(&tv, &ntv.time);
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timeval_to_timeval50(&tv, &ntv30.time);
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ntv30.maxerror = ntv.maxerror;
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ntv30.esterror = ntv.esterror;
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error = copyout(&ntv30, SCARG(uap, ntvp), sizeof(ntv30));
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if (error)
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return error;
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}
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*retval = ntp_timestatus();
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return 0;
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#else
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return ENOSYS;
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#endif
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}
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