/*      $NetBSD: kern_event_100.c,v 1.1 2023/07/28 18:19:00 christos Exp $      */

/*-
* Copyright (c) 2023 The NetBSD Foundation, Inc.
* All rights reserved.
*
* 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_event_100.c,v 1.1 2023/07/28 18:19:00 christos Exp $");

#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
#endif

#include <sys/param.h>
#include <sys/event.h>
#include <sys/syscall.h>
#include <sys/syscallvar.h>
#include <sys/syscallargs.h>

#include <compat/common/compat_mod.h>
#include <compat/sys/event.h>

static const struct syscall_package kern_event_100_syscalls[] = {
       { SYS_compat_100___kevent50, 0,
           (sy_call_t *)compat_100_sys___kevent50 },
       { 0, 0, NULL },
};

int
compat_100_sys___kevent50(struct lwp *l,
   const struct compat_100_sys___kevent50_args *uap,
   register_t *retval)
{
       /* {
               syscallarg(int) fd;
               syscallarg(const struct kevent100 *) changelist;
               syscallarg(size_t) nchanges;
               syscallarg(struct kevent100 *) eventlist;
               syscallarg(size_t) nevents;
               syscallarg(const struct timespec *) timeout;
       } */
       static const struct kevent_ops compat_100_kevent_ops = {
               .keo_private = NULL,
               .keo_fetch_timeout = copyin,
               .keo_fetch_changes = compat_100___kevent50_fetch_changes,
               .keo_put_events = compat_100___kevent50_put_events,
       };

       return kevent1(retval, SCARG(uap, fd),
           (const struct kevent *)SCARG(uap, changelist), SCARG(uap, nchanges),
           (struct kevent *)SCARG(uap, eventlist), SCARG(uap, nevents),
           SCARG(uap, timeout), &compat_100_kevent_ops);
}

int
kern_event_100_init(void)
{

       return syscall_establish(NULL, kern_event_100_syscalls);
}

int
kern_event_100_fini(void)
{

       return syscall_disestablish(NULL, kern_event_100_syscalls);
}