1/*	$NetBSD: linux_oldselect.c,v 1.59 2021/09/23 06:56:27 ryo Exp $	*/
2
3/*-
4 * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Frank van der Linden and Eric Haszlakiewicz.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__KERNEL_RCSID(0, "$NetBSD: linux_oldselect.c,v 1.59 2021/09/23 06:56:27 ryo Exp $");
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/mount.h>
38
39#include <sys/sched.h>
40#include <sys/syscallargs.h>
41
42#include <compat/linux/common/linux_types.h>
43#include <compat/linux/common/linux_misc.h>
44#include <compat/linux/common/linux_mmap.h>
45#include <compat/linux/common/linux_signal.h>
46#include <compat/linux/common/linux_oldselect.h>
47
48#include <compat/linux/linux_syscallargs.h>
49
50/* Used on: arm, i386, m68k */
51/* Not used on: aarch64, alpha, mips, ppc, sparc, sparc64 */
52
53/*
54 * Not sure why the arguments to this older version of select() were put
55 * into a structure, because there are 5, and that can all be handled
56 * in registers on the i386 like Linux wants to.
57 */
58int
59linux_sys_oldselect(struct lwp *l, const struct linux_sys_oldselect_args *uap, register_t *retval)
60{
61	/* {
62		syscallarg(struct linux_oldselect *) lsp;
63	} */
64	struct linux_oldselect ls;
65	int error;
66
67	if ((error = copyin(SCARG(uap, lsp), &ls, sizeof(ls))))
68		return error;
69
70	return linux_select1(l, retval, ls.nfds, ls.readfds, ls.writefds,
71	    ls.exceptfds, ls.timeout);
72}
73
74