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
39 int
main(void)40 main(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
67 SKIP_MAIN_UNDEFINED("__NR_pipe2")
68
69 #endif
70