/*      $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);
}