Problem encountered on Ubuntu 24.04 zfs mounted noatime.
* tests/test-fdutimensat.c (main):
* tests/test-futimens.h (test_futimens):
* tests/test-lutimens.h (test_lutimens):
* tests/test-utime.c (test_utime):
* tests/test-utimens-common.h (checkable_atime): New function.
* tests/test-utimens.h (test_utimens):
* tests/test-utimensat.c (main):
Do not check atime on file systems mounted noatime.
---
ChangeLog | 13 ++++++++
doc/posix-functions/futimens.texi | 4 +++
doc/posix-functions/utimensat.texi | 4 +++
doc/posix-functions/utimes.texi | 4 +++
tests/test-fdutimensat.c | 10 ++++--
tests/test-futimens.h | 36 ++++++++++++++--------
tests/test-lutimens.h | 49 +++++++++++++++++++-----------
tests/test-utime.c | 27 +++++++++++-----
tests/test-utimens-common.h | 21 +++++++++++++
tests/test-utimens.h | 46 +++++++++++++++++++++-------
tests/test-utimensat.c | 12 ++++++--
11 files changed, 171 insertions(+), 55 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index c31e68d8ee..e82dd02834 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2024-08-09 Paul Eggert <egg...@cs.ucla.edu>
+
+ test-utime: port to noatime file systems
+ Problem encountered on Ubuntu 24.04 zfs mounted noatime.
+ * tests/test-fdutimensat.c (main):
+ * tests/test-futimens.h (test_futimens):
+ * tests/test-lutimens.h (test_lutimens):
+ * tests/test-utime.c (test_utime):
+ * tests/test-utimens-common.h (checkable_atime): New function.
+ * tests/test-utimens.h (test_utimens):
+ * tests/test-utimensat.c (main):
+ Do not check atime on file systems mounted noatime.
+
2024-08-09 Bruno Haible <br...@clisp.org>
pthread-rwlock: Attempt to avoid test failure on some machines.
diff --git a/doc/posix-functions/futimens.texi
b/doc/posix-functions/futimens.texi
index 2c8beca267..7df36c09ce 100644
--- a/doc/posix-functions/futimens.texi
+++ b/doc/posix-functions/futimens.texi
@@ -35,6 +35,10 @@ glibc 2.11, musl libc, Solaris 11.
Portability problems not fixed by Gnulib:
@itemize
@item
+On file systems mounted with the @code{noatime} attribute,
+this function might not modify the access time as requested:
+Linux kernel 6.9.
+@item
Some platforms lack the ability to change the timestamps of a file
descriptor, so the replacement can fail with @code{ENOSYS}; the gnulib
module @samp{utimens} provides a more reliable interface @code{fdutimens}.
diff --git a/doc/posix-functions/utimensat.texi
b/doc/posix-functions/utimensat.texi
index 9024235416..189c5cb79a 100644
--- a/doc/posix-functions/utimensat.texi
+++ b/doc/posix-functions/utimensat.texi
@@ -44,6 +44,10 @@ AIX 7.2.
Portability problems not fixed by Gnulib:
@itemize
@item
+On file systems mounted with the @code{noatime} attribute,
+this function might not modify the access time as requested:
+Linux kernel 6.9.
+@item
On some platforms, timestamps of symbolic links cannot be modified, so
the replacement fails with @code{ENOSYS} if passed the flag
@code{AT_SYMLINK_NOFOLLOW} on a symlink.
diff --git a/doc/posix-functions/utimes.texi b/doc/posix-functions/utimes.texi
index 70ab62f4b7..98a97184d9 100644
--- a/doc/posix-functions/utimes.texi
+++ b/doc/posix-functions/utimes.texi
@@ -24,6 +24,10 @@ some platforms incorrectly round rather than truncate. Use
@code{utimensat(AT_FDCWD,file,times,0)}, or the gnulib module @code{utimens},
instead.
@item
+On file systems mounted with the @code{noatime} attribute,
+this function might not modify the access time as requested:
+Linux kernel 6.9.
+@item
On some platforms, @code{utimes (file, NULL)} fails to set the
file's timestamp to the current time:
glibc 2.3.3.
diff --git a/tests/test-fdutimensat.c b/tests/test-fdutimensat.c
index a21e297f03..5f8d0f6d07 100644
--- a/tests/test-fdutimensat.c
+++ b/tests/test-fdutimensat.c
@@ -118,7 +118,7 @@ main (void)
/* Directory relative tests. */
ASSERT (mkdir (BASE "dir", 0700) == 0);
ASSERT (chdir (BASE "dir") == 0);
- fd = creat ("file", 0600);
+ fd = open ("file", O_RDWR | O_CREAT | O_TRUNC, 0600);
ASSERT (0 <= fd);
errno = 0;
ASSERT (fdutimensat (AT_FDCWD, fd, ".", NULL, 0) == -1);
@@ -126,13 +126,17 @@ main (void)
{
struct timespec ts[2];
struct stat st;
+ bool check_atime = checkable_atime (fd, &st);
ts[0].tv_sec = Y2K;
ts[0].tv_nsec = 0;
ts[1] = ts[0];
ASSERT (fdutimensat (fd, dfd, BASE "dir/file", ts, 0) == 0);
ASSERT (stat ("file", &st) == 0);
- ASSERT (st.st_atime == Y2K);
- ASSERT (get_stat_atime_ns (&st) == 0);
+ if (check_atime)
+ {
+ ASSERT (st.st_atime == Y2K);
+ ASSERT (get_stat_atime_ns (&st) == 0);
+ }
ASSERT (st.st_mtime == Y2K);
ASSERT (get_stat_mtime_ns (&st) == 0);
}
diff --git a/tests/test-futimens.h b/tests/test-futimens.h
index a6fd5c15cf..af8f630cc9 100644
--- a/tests/test-futimens.h
+++ b/tests/test-futimens.h
@@ -24,14 +24,14 @@ static int
test_futimens (int (*func) (int, struct timespec const *),
bool print)
{
- int fd = creat (BASE "file", 0600);
+ int fd = open (BASE "file", O_RDWR | O_CREAT | O_TRUNC, 0600);
int result;
struct stat st1;
struct stat st2;
ASSERT (0 <= fd);
+ bool check_atime = checkable_atime (fd, &st1);
/* Sanity check. */
- ASSERT (fstat (fd, &st1) == 0);
nap ();
errno = 0;
result = func (fd, NULL);
@@ -117,8 +117,11 @@ test_futimens (int (*func) (int, struct timespec const *),
ASSERT (errno == EINVAL);
}
ASSERT (fstat (fd, &st2) == 0);
- ASSERT (st1.st_atime == st2.st_atime);
- ASSERT (get_stat_atime_ns (&st1) == get_stat_atime_ns (&st2));
+ if (check_atime)
+ {
+ ASSERT (st1.st_atime == st2.st_atime);
+ ASSERT (get_stat_atime_ns (&st1) == get_stat_atime_ns (&st2));
+ }
ASSERT (utimecmp (BASE "file", &st1, &st2, 0) == 0);
/* Set both times. */
@@ -130,9 +133,12 @@ test_futimens (int (*func) (int, struct timespec const *),
ts[1].tv_nsec = BILLION - 1;
ASSERT (func (fd, ts) == 0);
ASSERT (fstat (fd, &st2) == 0);
- ASSERT (st2.st_atime == Y2K);
- ASSERT (0 <= get_stat_atime_ns (&st2));
- ASSERT (get_stat_atime_ns (&st2) < BILLION / 2);
+ if (check_atime)
+ {
+ ASSERT (st2.st_atime == Y2K);
+ ASSERT (0 <= get_stat_atime_ns (&st2));
+ ASSERT (get_stat_atime_ns (&st2) < BILLION / 2);
+ }
ASSERT (st2.st_mtime == Y2K);
ASSERT (0 <= get_stat_mtime_ns (&st2));
ASSERT (get_stat_mtime_ns (&st2) < BILLION);
@@ -151,9 +157,12 @@ test_futimens (int (*func) (int, struct timespec const *),
nap ();
ASSERT (func (fd, ts) == 0);
ASSERT (fstat (fd, &st3) == 0);
- ASSERT (st3.st_atime == Y2K);
- ASSERT (0 <= get_stat_atime_ns (&st3));
- ASSERT (get_stat_atime_ns (&st3) <= BILLION / 2);
+ if (check_atime)
+ {
+ ASSERT (st3.st_atime == Y2K);
+ ASSERT (0 <= get_stat_atime_ns (&st3));
+ ASSERT (get_stat_atime_ns (&st3) <= BILLION / 2);
+ }
ASSERT (utimecmp (BASE "file", &st1, &st3, UTIMECMP_TRUNCATE_SOURCE) <= 0);
if (check_ctime)
ASSERT (ctime_compare (&st2, &st3) < 0);
@@ -162,8 +171,11 @@ test_futimens (int (*func) (int, struct timespec const *),
ts[1].tv_nsec = UTIME_OMIT;
ASSERT (func (fd, ts) == 0);
ASSERT (fstat (fd, &st2) == 0);
- ASSERT (st2.st_atime == BILLION);
- ASSERT (get_stat_atime_ns (&st2) == 0);
+ if (check_atime)
+ {
+ ASSERT (st2.st_atime == BILLION);
+ ASSERT (get_stat_atime_ns (&st2) == 0);
+ }
ASSERT (st3.st_mtime == st2.st_mtime);
ASSERT (get_stat_mtime_ns (&st3) == get_stat_mtime_ns (&st2));
if (check_ctime > 0)
diff --git a/tests/test-lutimens.h b/tests/test-lutimens.h
index 385b3c0acc..b909ec4b75 100644
--- a/tests/test-lutimens.h
+++ b/tests/test-lutimens.h
@@ -27,7 +27,6 @@ test_lutimens (int (*func) (char const *, struct timespec
const *), bool print)
int saved_errno;
struct stat st1;
struct stat st2;
- bool atime_supported = true;
/* Non-symlinks should be handled just like utimens. */
errno = 0;
@@ -39,10 +38,15 @@ test_lutimens (int (*func) (char const *, struct timespec
const *), bool print)
errno = 0;
ASSERT (func ("", NULL) == -1);
ASSERT (errno == ENOENT);
- ASSERT (close (creat (BASE "file", 0600)) == 0);
- ASSERT (stat (BASE "file", &st1) == 0);
+
+ int fd = open (BASE "file", O_RDWR | O_CREAT | O_TRUNC, 0600);
+ ASSERT (0 <= fd);
+
+ bool check_atime = checkable_atime (fd, &st1);
+ ASSERT (close (fd) == 0);
ASSERT (st1.st_atime != Y2K);
ASSERT (st1.st_mtime != Y2K);
+
{
struct timespec ts[2];
ts[0].tv_sec = Y2K;
@@ -52,7 +56,8 @@ test_lutimens (int (*func) (char const *, struct timespec
const *), bool print)
ASSERT (func (BASE "file/", ts) == -1);
ASSERT (errno == ENOTDIR);
ASSERT (stat (BASE "file", &st2) == 0);
- ASSERT (st1.st_atime == st2.st_atime);
+ if (check_atime)
+ ASSERT (st1.st_atime == st2.st_atime);
ASSERT (st1.st_mtime == st2.st_mtime);
}
{
@@ -64,7 +69,8 @@ test_lutimens (int (*func) (char const *, struct timespec
const *), bool print)
ASSERT (func (BASE "file", ts) == 0);
}
ASSERT (stat (BASE "file", &st2) == 0);
- ASSERT (st2.st_atime == Y2K);
+ if (check_atime)
+ ASSERT (st2.st_atime == Y2K);
ASSERT (st2.st_mtime == Y2K);
if (check_ctime)
ASSERT (ctime_compare (&st1, &st2) < 0);
@@ -83,10 +89,12 @@ test_lutimens (int (*func) (char const *, struct timespec
const *), bool print)
saved_errno = errno;
/* Make sure we did not reference through link by accident. */
ASSERT (stat (BASE "file", &st1) == 0);
- ASSERT (st1.st_atime == Y2K);
+ if (check_atime)
+ ASSERT (st1.st_atime == Y2K);
ASSERT (st1.st_mtime == Y2K);
ASSERT (lstat (BASE "link", &st1) == 0);
- ASSERT (st1.st_atime != Y2K);
+ if (check_atime)
+ ASSERT (st1.st_atime != Y2K);
ASSERT (st1.st_mtime != Y2K);
ASSERT (unlink (BASE "file") == 0);
if (result == -1 && saved_errno == ENOSYS)
@@ -100,13 +108,16 @@ test_lutimens (int (*func) (char const *, struct timespec
const *), bool print)
}
ASSERT (!result);
ASSERT (lstat (BASE "link", &st1) == 0);
- /* On cygwin, lstat() changes atime of symlinks, so that lutimens
- can only effectively modify mtime. */
nap ();
ASSERT (lstat (BASE "link", &st2) == 0);
- if (st1.st_atime != st2.st_atime
- || get_stat_atime_ns (&st1) != get_stat_atime_ns (&st2))
- atime_supported = false;
+
+ /* On cygwin, lstat() changes atime of symlinks, so that lutimens
+ can effectively modify only mtime. */
+ bool check_atime_on_symlinks
+ = (check_atime
+ && st1.st_atime == st2.st_atime
+ && get_stat_atime_ns (&st1) == get_stat_atime_ns (&st2));
+
ASSERT (st1.st_ctime == st2.st_ctime);
ASSERT (get_stat_ctime_ns (&st1) == get_stat_ctime_ns (&st2));
@@ -132,7 +143,7 @@ test_lutimens (int (*func) (char const *, struct timespec
const *), bool print)
ASSERT (errno == EINVAL);
}
ASSERT (lstat (BASE "link", &st2) == 0);
- if (atime_supported)
+ if (check_atime_on_symlinks)
{
ASSERT (st1.st_atime == st2.st_atime);
ASSERT (get_stat_atime_ns (&st1) == get_stat_atime_ns (&st2));
@@ -149,7 +160,7 @@ test_lutimens (int (*func) (char const *, struct timespec
const *), bool print)
nap ();
ASSERT (func (BASE "link", ts) == 0);
ASSERT (lstat (BASE "link", &st2) == 0);
- if (atime_supported)
+ if (check_atime_on_symlinks)
{
ASSERT (st2.st_atime == Y2K);
ASSERT (0 <= get_stat_atime_ns (&st2));
@@ -173,7 +184,7 @@ test_lutimens (int (*func) (char const *, struct timespec
const *), bool print)
nap ();
ASSERT (func (BASE "link", ts) == 0);
ASSERT (lstat (BASE "link", &st3) == 0);
- if (atime_supported)
+ if (check_atime_on_symlinks)
{
ASSERT (st3.st_atime == Y2K);
ASSERT (0 <= get_stat_atime_ns (&st3));
@@ -187,7 +198,7 @@ test_lutimens (int (*func) (char const *, struct timespec
const *), bool print)
ts[1].tv_nsec = UTIME_OMIT;
ASSERT (func (BASE "link", ts) == 0);
ASSERT (lstat (BASE "link", &st2) == 0);
- if (atime_supported)
+ if (check_atime_on_symlinks)
{
ASSERT (st2.st_atime == BILLION);
ASSERT (get_stat_atime_ns (&st2) == 0);
@@ -214,13 +225,15 @@ test_lutimens (int (*func) (char const *, struct timespec
const *), bool print)
ASSERT (stat (BASE "dir", &st1) == 0);
ASSERT (st1.st_mtime == Y2K);
ASSERT (lstat (BASE "link", &st1) == 0);
- ASSERT (st1.st_atime != Y2K);
+ if (check_atime)
+ ASSERT (st1.st_atime != Y2K);
ASSERT (st1.st_mtime != Y2K);
ASSERT (func (BASE "link", NULL) == 0);
ASSERT (stat (BASE "dir", &st1) == 0);
ASSERT (st1.st_mtime == Y2K);
ASSERT (lstat (BASE "link", &st1) == 0);
- ASSERT (st1.st_atime != Y2K);
+ if (check_atime)
+ ASSERT (st1.st_atime != Y2K);
ASSERT (st1.st_mtime != Y2K);
/* Cleanup. */
diff --git a/tests/test-utime.c b/tests/test-utime.c
index 00cee63265..fd87f91cd8 100644
--- a/tests/test-utime.c
+++ b/tests/test-utime.c
@@ -35,8 +35,11 @@ test_utime (bool print)
struct stat st1;
struct stat st2;
- ASSERT (close (creat (BASE "file", 0600)) == 0);
- ASSERT (stat (BASE "file", &st1) == 0);
+ int fd = open (BASE "file", O_RDWR | O_CREAT | O_TRUNC, 0600);
+ ASSERT (0 <= fd);
+ bool check_atime = checkable_atime (fd, &st1);
+ ASSERT (close (fd) == 0);
+
nap ();
ASSERT (utime (BASE "file", NULL) == 0);
ASSERT (stat (BASE "file", &st2) == 0);
@@ -76,8 +79,11 @@ test_utime (bool print)
ASSERT (errno == ENOTDIR || errno == EINVAL);
}
ASSERT (stat (BASE "file", &st2) == 0);
- ASSERT (st1.st_atime == st2.st_atime);
- ASSERT (get_stat_atime_ns (&st1) == get_stat_atime_ns (&st2));
+ if (check_atime)
+ {
+ ASSERT (st1.st_atime == st2.st_atime);
+ ASSERT (get_stat_atime_ns (&st1) == get_stat_atime_ns (&st2));
+ }
ASSERT (utimecmp (BASE "file", &st1, &st2, 0) == 0);
/* Set both times. */
@@ -86,9 +92,12 @@ test_utime (bool print)
ts.actime = ts.modtime = Y2K;
ASSERT (utime (BASE "file", &ts) == 0);
ASSERT (stat (BASE "file", &st2) == 0);
- ASSERT (st2.st_atime == Y2K);
- ASSERT (0 <= get_stat_atime_ns (&st2));
- ASSERT (get_stat_atime_ns (&st2) < BILLION / 2);
+ if (check_atime)
+ {
+ ASSERT (st2.st_atime == Y2K);
+ ASSERT (0 <= get_stat_atime_ns (&st2));
+ ASSERT (get_stat_atime_ns (&st2) < BILLION / 2);
+ }
ASSERT (st2.st_mtime == Y2K);
ASSERT (0 <= get_stat_mtime_ns (&st2));
ASSERT (get_stat_mtime_ns (&st2) < BILLION);
@@ -117,7 +126,9 @@ test_utime (bool print)
ts.actime = ts.modtime = Y2K;
ASSERT (utime (BASE "link", &ts) == 0);
ASSERT (lstat (BASE "link", &st2) == 0);
- /* Can't compare atimes, since lstat() changes symlink atime on cygwin. */
+ /* Make sure symlink time hasn't been modified.
+ Can't compare symlink atimes, since when utime follows the
+ symlink it might update the symlink atime. */
ASSERT (st1.st_mtime == st2.st_mtime);
ASSERT (stat (BASE "link", &st2) == 0);
ASSERT (st2.st_mtime == Y2K);
diff --git a/tests/test-utimens-common.h b/tests/test-utimens-common.h
index 317a01b3da..f9fdb9a867 100644
--- a/tests/test-utimens-common.h
+++ b/tests/test-utimens-common.h
@@ -79,4 +79,25 @@ ctime_compare (struct stat const *a, struct stat const *b)
return 0;
}
+/* Test whether FD's file access times are updated by the file system.
+ FD must be readable. Set *ST to the file's status, after any
+ change to its access time due to the test. */
+static bool
+checkable_atime (int fd, struct stat *st)
+{
+ char buf[1];
+ struct stat st1, st2;
+
+ ASSERT (fstat (fd, &st1) == 0);
+ nap ();
+ ASSERT (read (fd, buf, sizeof buf) == 0);
+ ASSERT (fstat (fd, &st2) == 0);
+ bool check_atime
+ = (st1.st_atime != st2.st_atime
+ || get_stat_atime_ns (&st1) != get_stat_atime_ns (&st2));
+ if (st)
+ *st = st2;
+ return check_atime;
+}
+
#endif /* GL_TEST_UTIMENS_COMMON */
diff --git a/tests/test-utimens.h b/tests/test-utimens.h
index 83d785a4dd..256d48de90 100644
--- a/tests/test-utimens.h
+++ b/tests/test-utimens.h
@@ -26,13 +26,18 @@ test_utimens (int (*func) (char const *, struct timespec
const *), bool print)
struct stat st1;
struct stat st2;
- ASSERT (close (creat (BASE "file", 0600)) == 0);
+ int fd = open (BASE "file", O_RDWR | O_CREAT | O_TRUNC, 0600);
+ ASSERT (0 <= fd);
/* If utimens truncates to worse resolution than the file system
supports, then time can appear to go backwards between now and a
follow-up utimens with UTIME_NOW or a NULL timespec. Use
UTIMECMP_TRUNCATE_SOURCE to compensate, with st1 as the
source. */
- ASSERT (stat (BASE "file", &st1) == 0);
+ bool check_atime = checkable_atime (fd, &st1);
+ ASSERT (close (fd) == 0);
+ ASSERT (st1.st_atime != Y2K);
+ ASSERT (st1.st_mtime != Y2K);
+
nap ();
ASSERT (func (BASE "file", NULL) == 0);
ASSERT (stat (BASE "file", &st2) == 0);
@@ -108,9 +113,12 @@ test_utimens (int (*func) (char const *, struct timespec
const *), bool print)
ts[1].tv_nsec = BILLION - 1;
ASSERT (func (BASE "file", ts) == 0);
ASSERT (stat (BASE "file", &st2) == 0);
- ASSERT (st2.st_atime == Y2K);
- ASSERT (0 <= get_stat_atime_ns (&st2));
- ASSERT (get_stat_atime_ns (&st2) < BILLION / 2);
+ if (check_atime)
+ {
+ ASSERT (st2.st_atime == Y2K);
+ ASSERT (0 <= get_stat_atime_ns (&st2));
+ ASSERT (get_stat_atime_ns (&st2) < BILLION / 2);
+ }
ASSERT (st2.st_mtime == Y2K);
ASSERT (0 <= get_stat_mtime_ns (&st2));
ASSERT (get_stat_mtime_ns (&st2) < BILLION);
@@ -129,9 +137,12 @@ test_utimens (int (*func) (char const *, struct timespec
const *), bool print)
nap ();
ASSERT (func (BASE "file", ts) == 0);
ASSERT (stat (BASE "file", &st3) == 0);
- ASSERT (st3.st_atime == Y2K);
- ASSERT (0 <= get_stat_atime_ns (&st3));
- ASSERT (get_stat_atime_ns (&st3) < BILLION / 2);
+ if (check_atime)
+ {
+ ASSERT (st3.st_atime == Y2K);
+ ASSERT (0 <= get_stat_atime_ns (&st3));
+ ASSERT (get_stat_atime_ns (&st3) < BILLION / 2);
+ }
/* See comment above about this utimecmp call. */
ASSERT (0 <= utimecmp (BASE "file", &st3, &st1, UTIMECMP_TRUNCATE_SOURCE));
if (check_ctime)
@@ -141,8 +152,11 @@ test_utimens (int (*func) (char const *, struct timespec
const *), bool print)
ts[1].tv_nsec = UTIME_OMIT;
ASSERT (func (BASE "file", ts) == 0);
ASSERT (stat (BASE "file", &st2) == 0);
- ASSERT (st2.st_atime == BILLION);
- ASSERT (get_stat_atime_ns (&st2) == 0);
+ if (check_atime)
+ {
+ ASSERT (st2.st_atime == BILLION);
+ ASSERT (get_stat_atime_ns (&st2) == 0);
+ }
ASSERT (st3.st_mtime == st2.st_mtime);
ASSERT (get_stat_mtime_ns (&st3) == get_stat_mtime_ns (&st2));
if (check_ctime > 0)
@@ -170,9 +184,19 @@ test_utimens (int (*func) (char const *, struct timespec
const *), bool print)
ts[1] = ts[0];
ASSERT (func (BASE "link", ts) == 0);
ASSERT (lstat (BASE "link", &st2) == 0);
- /* Can't compare atimes, since lstat() changes symlink atime on cygwin. */
+
+ /* Make sure symlink time hasn't been modified.
+ Can't compare symlink atimes, since when func follows the
+ symlink it might update the symlink atime. */
ASSERT (st1.st_mtime == st2.st_mtime);
+ ASSERT (get_stat_mtime_ns (&st1) == get_stat_mtime_ns (&st2));
+
ASSERT (stat (BASE "link", &st2) == 0);
+ if (check_atime)
+ {
+ ASSERT (st2.st_atime == BILLION);
+ ASSERT (get_stat_atime_ns (&st2) == 0);
+ }
ASSERT (st2.st_mtime == Y2K);
ASSERT (get_stat_mtime_ns (&st2) == 0);
}
diff --git a/tests/test-utimensat.c b/tests/test-utimensat.c
index 6819a335de..0f7d73b3c1 100644
--- a/tests/test-utimensat.c
+++ b/tests/test-utimensat.c
@@ -94,8 +94,11 @@ main (void)
/* Directory-relative tests. */
ASSERT (mkdir (BASE "dir", 0700) == 0);
ASSERT (chdir (BASE "dir") == 0);
- fd = creat ("file", 0600);
+ fd = open ("file", O_RDWR | O_CREAT | O_TRUNC, 0600);
ASSERT (0 <= fd);
+
+ bool check_atime = checkable_atime (fd, NULL);
+
errno = 0;
ASSERT (utimensat (fd, ".", NULL, 0) == -1);
ASSERT (errno == ENOTDIR);
@@ -108,8 +111,11 @@ main (void)
ts[1].tv_nsec = 0;
ASSERT (utimensat (dfd, BASE "dir/file", ts, AT_SYMLINK_NOFOLLOW) == 0);
ASSERT (stat ("file", &st) == 0);
- ASSERT (st.st_atime == Y2K);
- ASSERT (get_stat_atime_ns (&st) == 0);
+ if (check_atime)
+ {
+ ASSERT (st.st_atime == Y2K);
+ ASSERT (get_stat_atime_ns (&st) == 0);
+ }
ASSERT (st.st_mtime == Y2K);
ASSERT (get_stat_mtime_ns (&st) == 0);
}
--
2.43.0
