tests: add close_range() tests
This adds basic tests for the new close_range() syscall.
- test that no invalid flags can be passed
- test that a range of file descriptors is correctly closed
- test that a range of file descriptors is correctly closed if there there
are already closed file descriptors in the range
- test that max_fd is correctly capped to the current fdtable maximum
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jann Horn <jannh@google.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Dmitry V. Levin <ldv@altlinux.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-api@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
---
/* v2 */
unchanged
/* v3 */
- Christian Brauner <christian@brauner.io>:
- verify that close_range() correctly closes a single file descriptor
/* v4 */
- Christian Brauner <christian@brauner.io>:
- add missing Cc for Shuah
- add missing Cc for linux-kselftest
/* v5 */
- Michael Ellerman <mpe@ellerman.id.au>:
- remove include of unexported kernel headers
- Christian Brauner <christian.brauner@ubuntu.com>:
- add missing SPDX header to Makefile
4 files changed
