/* * Check decoding of inotify_init1 syscall. * * Copyright (c) 2016 Eugene Syromyatnikov * Copyright (c) 2016-2018 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include #if defined(__NR_inotify_init1) # include # include # include # ifdef O_CLOEXEC # define cloexec_flag O_CLOEXEC # else # define cloexec_flag 0 # endif # define all_flags (O_NONBLOCK | cloexec_flag) int main(void) { static const kernel_ulong_t bogus_flags1 = (kernel_ulong_t) 0xfacefeeddeadbeefULL | O_NONBLOCK; static const kernel_ulong_t bogus_flags2 = (kernel_ulong_t) 0x55555550ff96b77bULL & ~all_flags; long rc; rc = syscall(__NR_inotify_init1, bogus_flags1); printf("inotify_init1(IN_NONBLOCK|%s%#x) = %s\n", bogus_flags1 & cloexec_flag ? "IN_CLOEXEC|" : "", (unsigned int) (bogus_flags1 & ~all_flags), sprintrc(rc)); rc = syscall(__NR_inotify_init1, bogus_flags2); printf("inotify_init1(%#x /* IN_??? */) = %s\n", (unsigned int) bogus_flags2, sprintrc(rc)); rc = syscall(__NR_inotify_init1, all_flags); printf("inotify_init1(IN_NONBLOCK%s) = %s\n", all_flags & cloexec_flag ? "|IN_CLOEXEC" : "", sprintrc(rc)); puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_inotify_init1"); #endif