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selftests: harness: Add teardown callback to test metadata

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To get rid of setjmp()/longjmp(), the teardown logic needs to be usable
from __bail(). Introduce a new callback for it.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250505-nolibc-kselftest-harness-v4-10-ee4dd5257135@linutronix.de
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
This commit is contained in:
Thomas Weißschuh 2025-05-05 17:15:28 +02:00 committed by Thomas Weißschuh
parent 906dbc17d6
commit 5f036a2a8e
1 changed files with 13 additions and 6 deletions
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19
tools/testing/selftests/kselftest_harness.h
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@ -439,14 +439,10 @@
} \
} \
if (child == 0) { \
if (!fixture_name##_teardown_parent && \
!__atomic_test_and_set(_metadata->no_teardown, __ATOMIC_RELAXED)) \
fixture_name##_teardown(_metadata, self, variant->data); \
_metadata->teardown_fn(false, _metadata, self, variant->data); \
_exit(0); \
} \
if (fixture_name##_teardown_parent && \
!__atomic_test_and_set(_metadata->no_teardown, __ATOMIC_RELAXED)) \
fixture_name##_teardown(_metadata, self, variant->data); \
_metadata->teardown_fn(true, _metadata, self, variant->data); \
munmap(_metadata->no_teardown, sizeof(*_metadata->no_teardown)); \
_metadata->no_teardown = NULL; \
if (self && fixture_name##_teardown_parent) \
@ -460,6 +456,14 @@
} \
__test_check_assert(_metadata); \
} \
static void wrapper_##fixture_name##_##test_name##_teardown( \
bool in_parent, struct __test_metadata *_metadata, \
void *self, const void *variant) \
{ \
if (fixture_name##_teardown_parent == in_parent && \
!__atomic_test_and_set(_metadata->no_teardown, __ATOMIC_RELAXED)) \
fixture_name##_teardown(_metadata, self, variant); \
} \
static struct __test_metadata *_##fixture_name##_##test_name##_object; \
static void __attribute__((constructor)) \
_register_##fixture_name##_##test_name(void) \
@ -469,6 +473,7 @@
object->name = #test_name; \
object->fn = &wrapper_##fixture_name##_##test_name; \
object->fixture = &_##fixture_name##_fixture_object; \
object->teardown_fn = &wrapper_##fixture_name##_##test_name##_teardown; \
object->termsig = signal; \
object->timeout = tmout; \
_##fixture_name##_##test_name##_object = object; \
@ -912,6 +917,8 @@ struct __test_metadata {
struct __fixture_variant_metadata *);
pid_t pid; /* pid of test when being run */
struct __fixture_metadata *fixture;
void (*teardown_fn)(bool in_parent, struct __test_metadata *_metadata,
void *self, const void *variant);
int termsig;
int exit_code;
int trigger; /* extra handler after the evaluation */