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	int *const fds = tail_alloc(sizeof(*fds) * 2);
43	int *const efault = fds + 1;
44	long rc;
45
46	rc = syscall(__NR_pipe2, fds, F8ILL_KULONG_MASK | O_NONBLOCK);
47	if (rc)
48		perror_msg_and_skip("pipe2");
49	printf("pipe2([%d, %d], O_NONBLOCK) = 0\n", fds[0], fds[1]);
50
51	rc = syscall(__NR_pipe2, efault, F8ILL_KULONG_MASK);
52	printf("pipe2(%p, 0) = %s\n", efault, sprintrc(rc));
53
54	if (F8ILL_KULONG_SUPPORTED) {
55		const kernel_ulong_t ill = f8ill_ptr_to_kulong(fds);
56		rc = syscall(__NR_pipe2, ill, 0);
57		printf("pipe2(%#llx, 0) = %s\n",
58		       (unsigned long long) ill, sprintrc(rc));
59	}
60
61	puts("+++ exited with 0 +++");
62	return 0;
63}
64
65#else
66
67SKIP_MAIN_UNDEFINED("__NR_pipe2")
68
69#endif
70