diff options
| author | Thomas Weißschuh <thomas.weissschuh@linutronix.de> | 2025-05-05 17:15:27 +0200 |
|---|---|---|
| committer | Thomas Weißschuh <linux@weissschuh.net> | 2025-05-21 15:32:35 +0200 |
| commit | 906dbc17d61c3877b93407dafdff443fc6e21d7f (patch) | |
| tree | a1d87e8226e22f46d1366ee6935c420b3e04249a | |
| parent | fb25e99bce8d6e72d976c6e9a6a238298936ae94 (diff) | |
selftests: harness: Move teardown conditional into test metadata
To get rid of setjmp()/longjmp(), the teardown logic needs to be usable
from __bail(). To access the atomic teardown conditional from there,
move it into the test metadata.
This also allows the removal of "setup_completed".
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-v4-9-ee4dd5257135@linutronix.de
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
| -rw-r--r-- | tools/testing/selftests/kselftest_harness.h | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h index 905986debbfb..895821af3e5c 100644 --- a/tools/testing/selftests/kselftest_harness.h +++ b/tools/testing/selftests/kselftest_harness.h @@ -411,9 +411,9 @@ pid_t child = 1; \ int status = 0; \ /* Makes sure there is only one teardown, even when child forks again. */ \ - bool *teardown = mmap(NULL, sizeof(*teardown), \ + _metadata->no_teardown = mmap(NULL, sizeof(*_metadata->no_teardown), \ PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0); \ - *teardown = false; \ + *_metadata->no_teardown = true; \ if (sizeof(*self) > 0) { \ if (fixture_name##_teardown_parent) { \ self = mmap(NULL, sizeof(*self), PROT_READ | PROT_WRITE, \ @@ -431,7 +431,7 @@ /* Let setup failure terminate early. */ \ if (_metadata->exit_code) \ _exit(0); \ - _metadata->setup_completed = true; \ + *_metadata->no_teardown = false; \ fixture_name##_##test_name(_metadata, self, variant->data); \ } else if (child < 0 || child != waitpid(child, &status, 0)) { \ ksft_print_msg("ERROR SPAWNING TEST GRANDCHILD\n"); \ @@ -439,15 +439,16 @@ } \ } \ if (child == 0) { \ - if (_metadata->setup_completed && !fixture_name##_teardown_parent && \ - !__atomic_test_and_set(teardown, __ATOMIC_RELAXED)) \ + if (!fixture_name##_teardown_parent && \ + !__atomic_test_and_set(_metadata->no_teardown, __ATOMIC_RELAXED)) \ fixture_name##_teardown(_metadata, self, variant->data); \ _exit(0); \ } \ - if (_metadata->setup_completed && fixture_name##_teardown_parent && \ - !__atomic_test_and_set(teardown, __ATOMIC_RELAXED)) \ + if (fixture_name##_teardown_parent && \ + !__atomic_test_and_set(_metadata->no_teardown, __ATOMIC_RELAXED)) \ fixture_name##_teardown(_metadata, self, variant->data); \ - munmap(teardown, sizeof(*teardown)); \ + munmap(_metadata->no_teardown, sizeof(*_metadata->no_teardown)); \ + _metadata->no_teardown = NULL; \ if (self && fixture_name##_teardown_parent) \ munmap(self, sizeof(*self)); \ if (WIFEXITED(status)) { \ @@ -916,7 +917,7 @@ struct __test_metadata { int trigger; /* extra handler after the evaluation */ int timeout; /* seconds to wait for test timeout */ bool aborted; /* stopped test due to failed ASSERT */ - bool setup_completed; /* did setup finish? */ + bool *no_teardown; /* fixture needs teardown */ jmp_buf env; /* for exiting out of test early */ struct __test_results *results; struct __test_metadata *prev, *next; @@ -1195,7 +1196,7 @@ static void __run_test(struct __fixture_metadata *f, t->exit_code = KSFT_PASS; t->trigger = 0; t->aborted = false; - t->setup_completed = false; + t->no_teardown = NULL; memset(t->env, 0, sizeof(t->env)); memset(t->results->reason, 0, sizeof(t->results->reason)); |