1/*
2 * Check decoding of pipe2 syscall.
3 *
4 * Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include "tests.h"
31#include <asm/unistd.h>
32
33#ifdef __NR_pipe2
34
35# include <fcntl.h>
36# include <stdio.h>
37# include <unistd.h>
38
39int
40main(void)
41{
42	static const kernel_ulong_t bogus_zero =
43		(kernel_ulong_t) 0xffffffff00000000ULL;
44	int *const fds = tail_alloc(sizeof(*fds) * 2);
45	int *const efault = fds + 1;
46	long rc;
47
48	rc = syscall(__NR_pipe2, fds, bogus_zero | O_NONBLOCK);
49	if (rc)
50		perror_msg_and_skip("pipe2");
51	printf("pipe2([%d, %d], O_NONBLOCK) = 0\n", fds[0], fds[1]);
52
53	rc = syscall(__NR_pipe2, efault, bogus_zero);
54	printf("pipe2(%p, 0) = %s\n", efault, sprintrc(rc));
55
56	if (F8ILL_KULONG_SUPPORTED) {
57		const kernel_ulong_t ill = f8ill_ptr_to_kulong(fds);
58		rc = syscall(__NR_pipe2, ill, 0);
59		printf("pipe2(%#llx, 0) = %s\n",
60		       (unsigned long long) ill, sprintrc(rc));
61	}
62
63	puts("+++ exited with 0 +++");
64	return 0;
65}
66
67#else
68
69SKIP_MAIN_UNDEFINED("__NR_pipe2")
70
71#endif
72