[PATCH 07/32] selftests: harness: Remove dependency on libatomic

[Thomas Weißschuh]

__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.weisssc...@linutronix.de>
---
 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 
6659c10f4d8fc7c750bc5e8a36ebcbcacda5de60..bf5ffc594a4a864d2e8bb6f47c29fa56d58919d9
 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -443,12 +443,12 @@
                } \
                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) \

-- 
2.48.1