io: Fix sporadic test failures in io/tst-stat

support_stat_nanoseconds cannot restore the ctime time, and
this may lead to sporadic test failures.  Therefore, probe for
nanoseconds support before the initial statx call.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer 2021-06-10 10:09:51 +02:00
parent 8fe503f74e
commit acc85ea1eb
2 changed files with 6 additions and 5 deletions

View File

@ -69,15 +69,15 @@ do_test (void)
TEST_VERIFY_EXIT (fd >= 0);
support_write_file_string (path, "abc");
bool check_ns = support_stat_nanoseconds (path);
if (!check_ns)
printf ("warning: timestamp with nanoseconds not supported\n");
struct statx stx;
TEST_COMPARE (statx (fd, path, 0, STATX_BASIC_STATS, &stx), 0);
test_t tests[] = { stat_check, lstat_check, fstat_check, fstatat_check };
bool check_ns = support_stat_nanoseconds (path);
if (!check_ns)
printf ("warning: timestamp with nanoseconds not supported\n");
for (int i = 0; i < array_length (tests); i++)
{
struct stat st;

View File

@ -141,7 +141,8 @@ static __inline bool support_path_support_time64 (const char *path)
0x80000002ULL);
}
/* Return true if stat supports nanoseconds resolution. */
/* Return true if stat supports nanoseconds resolution. PATH is used
for tests and its ctime may change. */
extern bool support_stat_nanoseconds (const char *path);
/* Return true if select modify the timeout to reflect the amount of time