[PATCH v3] tests: Add test for the futex syscall

[Dmitry V. Levin]

On Wed, Aug 31, 2016 at 12:32:58AM +0300, Eugene Syromyatnikov wrote:
> * tests/futex.c: New file.
> * tests/futex.test: Likewise.
> * tests/Makefile.am (check_PROGRAMS): Add futex.
>   (DECODER_TESTS): Add futex.test.
> ---
> Changes since v2:
>  * Commands not available on the old kernels (2.6.18 onwards) are wrapped in
>    CHECK_FUTEX_ENOSYS which prevents failure in case errno is ENOSYS and is not
>    expected one.
>  * Checks for PI mutexes do no rely on PID 2 being kthreadd (which is not true
>    when process namespaces are employed, for example).
>  * Printing return code is done via retstr() which utilizes errno2name for errno
>    printing.
>  * All headers except asm/unistd.h moved under ifdef __NR_futex.
>  * <linux/futex.h> inclusion removed since it is proven broken in some
>    distros
>  * Added definitions for FUTEX_PRIVATE_FLAG, FUTEX_CLOCK_REALTIME, FUTEX_CMD_MASK
>  * Skip on EPERM since it is sometimes returned for otherwise perfectly
>    valid commands (WAKE_OP on AArch64)
>  * Minor formatting fixes.
> 
>  tests/Makefile.am |    2 +
>  tests/futex.c     |  692 +++++++++++++++++++++++++++++++++++++++++++++++++++++
>  tests/futex.test  |    8 +
>  3 files changed, 702 insertions(+)
>  create mode 100644 tests/futex.c
>  create mode 100755 tests/futex.test

Wow, what a test!
The whole series are now applied.  Thanks!


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