1 /*
2 * Check decoding of inotify_init1 syscall.
3 *
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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
32 #include <asm/unistd.h>
33
34 #if defined(__NR_inotify_init1)
35
36 # include <fcntl.h>
37 # include <stdio.h>
38 # include <unistd.h>
39
40 # ifdef O_CLOEXEC
41 # define cloexec_flag O_CLOEXEC
42 # else
43 # define cloexec_flag 0
44 # endif
45 # define all_flags (O_NONBLOCK | cloexec_flag)
46
47 int
main(void)48 main(void)
49 {
50 static const kernel_ulong_t bogus_flags1 =
51 (kernel_ulong_t) 0xfacefeeddeadbeefULL | O_NONBLOCK;
52 static const kernel_ulong_t bogus_flags2 =
53 (kernel_ulong_t) 0x55555550ff96b77bULL & ~all_flags;
54
55 long rc;
56
57 rc = syscall(__NR_inotify_init1, bogus_flags1);
58 printf("inotify_init1(IN_NONBLOCK|%s%#x) = %s\n",
59 bogus_flags1 & cloexec_flag ? "IN_CLOEXEC|" : "",
60 (unsigned int) (bogus_flags1 & ~all_flags),
61 sprintrc(rc));
62
63 rc = syscall(__NR_inotify_init1, bogus_flags2);
64 printf("inotify_init1(%#x /* IN_??? */) = %s\n",
65 (unsigned int) bogus_flags2, sprintrc(rc));
66
67 rc = syscall(__NR_inotify_init1, all_flags);
68 printf("inotify_init1(IN_NONBLOCK%s) = %s\n",
69 all_flags & cloexec_flag ? "|IN_CLOEXEC" : "", sprintrc(rc));
70
71 puts("+++ exited with 0 +++");
72
73 return 0;
74 }
75
76 #else
77
78 SKIP_MAIN_UNDEFINED("__NR_inotify_init1");
79
80 #endif
81