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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2012 Linux Test Project, Inc.
* Copyright (C) 2023-2024 Cyril Hrubis <chrubis@suse.cz>
*/
/*\
* [Description]
*
* Verify that readahead() syscall fails with:
*
* - EBADF when fd is not a valid file descriptor or is not open for reading.
* - EINVAL when fd does not refer to a file type to which readahead()
* can be applied.
*/
#define _GNU_SOURCE
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include "config.h"
#include "tst_test.h"
#include "lapi/syscalls.h"
#if defined(__NR_readahead)
static void test_bad_fd(void)
{
int fd[2];
TST_EXP_FAIL(readahead(-1, 0, getpagesize()), EBADF,
"readahead() with fd = -1");
SAFE_PIPE(fd);
SAFE_CLOSE(fd[0]);
SAFE_CLOSE(fd[1]);
TST_EXP_FAIL(readahead(fd[0], 0, getpagesize()), EBADF,
"readahead() with invalid fd");
}
static void test_invalid_fd(struct tst_fd *fd)
{
switch (fd->type) {
/* These succeed */
case TST_FD_FILE:
case TST_FD_MEMFD:
case TST_FD_PROC_MAPS:
return;
default:
break;
}
int exp_errnos[] = {EBADF, EINVAL, ESPIPE};
TST_EXP_FAIL_ARR(readahead(fd->fd, 0, getpagesize()), exp_errnos,
"readahead() on %s", tst_fd_desc(fd));
}
static void test_readahead(void)
{
test_bad_fd();
TST_FD_FOREACH(fd)
test_invalid_fd(&fd);
}
static void setup(void)
{
/* check if readahead syscall is supported */
tst_syscall(__NR_readahead, 0, 0, 0);
}
static struct tst_test test = {
.needs_tmpdir = 1,
.setup = setup,
.test_all = test_readahead,
};
#else /* __NR_readahead */
TST_TEST_TCONF("System doesn't support __NR_readahead");
#endif
|
