2 * Check decoding of inotify_init1 syscall.
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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32 #include <asm/unistd.h>
34 #if defined(__NR_inotify_init1)
40 # include "kernel_types.h"
43 # define cloexec_flag O_CLOEXEC
45 # define cloexec_flag 0
47 # define all_flags (O_NONBLOCK | cloexec_flag)
52 static const kernel_ulong_t bogus_flags1 =
53 (kernel_ulong_t) 0xfacefeeddeadbeefULL | O_NONBLOCK;
54 static const kernel_ulong_t bogus_flags2 =
55 (kernel_ulong_t) 0x55555550ff96b77bULL & ~all_flags;
59 rc = syscall(__NR_inotify_init1, bogus_flags1);
60 printf("inotify_init1(IN_NONBLOCK|%s%#x) = %s\n",
61 bogus_flags1 & cloexec_flag ? "IN_CLOEXEC|" : "",
62 (unsigned int) (bogus_flags1 & ~all_flags),
65 rc = syscall(__NR_inotify_init1, bogus_flags2);
66 printf("inotify_init1(%#x /* IN_??? */) = %s\n",
67 (unsigned int) bogus_flags2, sprintrc(rc));
69 rc = syscall(__NR_inotify_init1, all_flags);
70 printf("inotify_init1(IN_NONBLOCK%s) = %s\n",
71 all_flags & cloexec_flag ? "|IN_CLOEXEC" : "", sprintrc(rc));
73 puts("+++ exited with 0 +++");
80 SKIP_MAIN_UNDEFINED("__NR_inotify_init1");