1/*
2 * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 *    derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifdef HAVE_CONFIG_H
29# include "config.h"
30#endif
31
32#include <unistd.h>
33#include <sys/select.h>
34#include <sys/syscall.h>
35
36#if defined __NR_select && defined __NR__newselect \
37 && __NR_select != __NR__newselect \
38 && !defined SPARC
39
40int
41main(void)
42{
43	int fds[2];
44	fd_set r = {}, w = {};
45	struct timeval timeout = { .tv_sec = 0, .tv_usec = 42 };
46	long args[] = {
47		2, (long) &r, (long) &w, 0, (long) &timeout,
48		0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded, 0xdeadbeef
49	};
50
51	(void) close(0);
52	(void) close(1);
53	if (pipe(fds))
54		return 77;
55
56	FD_SET(0, &w);
57	FD_SET(1, &r);
58	if (syscall(__NR_select, args))
59		return 77;
60
61	return 0;
62}
63
64#else
65
66int
67main(void)
68{
69	return 77;
70}
71
72#endif
73