/*      $NetBSD: linux_oldselect.c,v 1.59 2021/09/23 06:56:27 ryo Exp $ */

/*-
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Frank van der Linden and Eric Haszlakiewicz.
*
* 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: linux_oldselect.c,v 1.59 2021/09/23 06:56:27 ryo Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mount.h>

#include <sys/sched.h>
#include <sys/syscallargs.h>

#include <compat/linux/common/linux_types.h>
#include <compat/linux/common/linux_misc.h>
#include <compat/linux/common/linux_mmap.h>
#include <compat/linux/common/linux_signal.h>
#include <compat/linux/common/linux_oldselect.h>

#include <compat/linux/linux_syscallargs.h>

/* Used on: arm, i386, m68k */
/* Not used on: aarch64, alpha, mips, ppc, sparc, sparc64 */

/*
* Not sure why the arguments to this older version of select() were put
* into a structure, because there are 5, and that can all be handled
* in registers on the i386 like Linux wants to.
*/
int
linux_sys_oldselect(struct lwp *l, const struct linux_sys_oldselect_args *uap, register_t *retval)
{
       /* {
               syscallarg(struct linux_oldselect *) lsp;
       } */
       struct linux_oldselect ls;
       int error;

       if ((error = copyin(SCARG(uap, lsp), &ls, sizeof(ls))))
               return error;

       return linux_select1(l, retval, ls.nfds, ls.readfds, ls.writefds,
           ls.exceptfds, ls.timeout);
}