strace/tests/inotify_init1.c
Eugene Syromyatnikov 771a786157 inotify: decode file descriptor returned by inotify_init
* inotify.c (SYS_FUNC(inotify_init)): New function.
* linux/dummy.h (sys_inotify_init): Remove macro definition.
* tests/.gitignore: Add inotify_init, inotify_init-y, inotify_init1-y.
* tests/pure_executables.list: Likewise.
* tests/gen_tests.in (inotify_init, inotify_init-y, inotify_init1-y):
New tests.
* tests/inotify_init-y.c: New file.
* tests/inotify_init.c: Likewise.
* tests/inotify_init1-y.c: Likewise.
* tests/inotify_init1.c [PRINT_PATHS]: Print inotify fd path.
2018-09-24 08:02:38 +02:00

97 lines
2.9 KiB
C

/*
* Check decoding of inotify_init1 syscall.
*
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <asm/unistd.h>
#if defined(__NR_inotify_init1)
# include <fcntl.h>
# include <stdio.h>
# include <unistd.h>
# ifdef O_CLOEXEC
# define cloexec_flag O_CLOEXEC
# else
# define cloexec_flag 0
# endif
# define all_flags (O_NONBLOCK | cloexec_flag)
#ifdef PRINT_PATHS
# define RC_FMT "%ld<anon_inode:inotify>"
#else
# define RC_FMT "%s"
#endif
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);
#ifdef PRINT_PATHS
if (rc < 0)
perror_msg_and_skip("inotify_init(%#x)", all_flags);
#endif
printf("inotify_init1(IN_NONBLOCK%s) = " RC_FMT "\n",
all_flags & cloexec_flag ? "|IN_CLOEXEC" : "",
#ifdef PRINT_PATHS
rc
#else
sprintrc(rc)
#endif
);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_inotify_init1");
#endif