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/* $NetBSD: kern_time_60.c,v 1.3 2020/01/29 15:47:51 ad Exp $ */
/*-
* Copyright (c) 2013, 2020 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_60.c,v 1.3 2020/01/29 15:47:51 ad Exp $");
#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
#endif
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/lwp.h>
#include <sys/time.h>
#include <sys/syscall.h>
#include <sys/syscallvar.h>
#include <sys/syscallargs.h>
#include <compat/common/compat_util.h>
#include <compat/common/compat_mod.h>
static const struct syscall_package compat_60_syscalls[] = {
{ SYS_compat_60__lwp_park, 0, (sy_call_t *)compat_60_sys__lwp_park },
{ 0, 0, NULL }
};
int
compat_60_sys__lwp_park(struct lwp *l,
const struct compat_60_sys__lwp_park_args *uap, register_t *retval)
{
/* {
syscallarg(const struct timespec *) ts;
syscallarg(lwpid_t) unpark;
syscallarg(const void *) hint;
syscallarg(const void *) unparkhint;
} */
int error;
struct timespec ts, *tsp;
if (SCARG(uap, ts) == NULL)
tsp = NULL;
else {
error = copyin(SCARG(uap, ts), &ts, sizeof(ts));
if (error != 0)
return error;
tsp = &ts;
}
if (SCARG(uap, unpark) != 0) {
error = lwp_unpark(&SCARG(uap, unpark), 1);
if (error != 0)
return error;
}
return lwp_park(CLOCK_REALTIME, TIMER_ABSTIME, tsp);
}
int
kern_time_60_init(void)
{
return syscall_establish(NULL, compat_60_syscalls);
}
int
kern_time_60_fini(void)
{
return syscall_disestablish(NULL, compat_60_syscalls);
}
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