1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/*
* Check decoding of pipe2 syscall.
*
* Copyright (c) 2015-2018 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2017-2024 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#include <stdio.h>
#include <unistd.h>
#include "kernel_fcntl.h"
int
main(void)
{
TAIL_ALLOC_OBJECT_CONST_ARR(int, fds, 2);
int *const efault = fds + 1;
long rc;
rc = syscall(__NR_pipe2, fds, F8ILL_KULONG_MASK | O_NONBLOCK);
if (rc)
perror_msg_and_skip("pipe2");
printf("pipe2([%d, %d], O_NONBLOCK) = 0\n", fds[0], fds[1]);
rc = syscall(__NR_pipe2, efault, F8ILL_KULONG_MASK);
printf("pipe2(%p, 0) = %s\n", efault, sprintrc(rc));
if (F8ILL_KULONG_SUPPORTED) {
const kernel_ulong_t ill = f8ill_ptr_to_kulong(fds);
rc = syscall(__NR_pipe2, ill, 0);
printf("pipe2(%#llx, 0) = %s\n",
(unsigned long long) ill, sprintrc(rc));
}
puts("+++ exited with 0 +++");
return 0;
}
|
