__sync_bool_compare_and_swap() is deprecated and requires libatomic on GCC. Compiler toolchains don't necessarily have libatomic available, so avoid this requirement by using atomics that don't need libatomic.
Signed-off-by: Thomas Weißschuh thomas.weissschuh@linutronix.de Reviewed-by: Muhammad Usama Anjum usama.anjum@collabora.com Acked-by: Shuah Khan skhan@linuxfoundation.org --- tools/testing/selftests/kselftest_harness.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h index 222a4f51a8d704c41597e09a241ad887ef787139..7ec4f66d0e3d7f129f6c2a45ff58310dabe5d03f 100644 --- a/tools/testing/selftests/kselftest_harness.h +++ b/tools/testing/selftests/kselftest_harness.h @@ -439,12 +439,12 @@ } \ if (child == 0) { \ if (_metadata->setup_completed && !fixture_name##_teardown_parent && \ - __sync_bool_compare_and_swap(teardown, false, true)) \ + !__atomic_test_and_set(teardown, __ATOMIC_RELAXED)) \ fixture_name##_teardown(_metadata, self, variant->data); \ _exit(0); \ } \ if (_metadata->setup_completed && fixture_name##_teardown_parent && \ - __sync_bool_compare_and_swap(teardown, false, true)) \ + !__atomic_test_and_set(teardown, __ATOMIC_RELAXED)) \ fixture_name##_teardown(_metadata, self, variant->data); \ munmap(teardown, sizeof(*teardown)); \ if (self && fixture_name##_teardown_parent) \