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
40 int
main(void)41 main(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
66 int
main(void)67 main(void)
68 {
69 return 77;
70 }
71
72 #endif
73