gh-83714: Check for struct statx.stx_atomic_write_unit_max_opt in configure by jbosboom · Pull Request #140185 · python/cpython · GitHub
Skip to content

gh-83714: Check for struct statx.stx_atomic_write_unit_max_opt in configure #140185

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vstinner merged 1 commit into from
Oct 16, 2025
Merged

gh-83714: Check for struct statx.stx_atomic_write_unit_max_opt in configure #140185

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion Doc/library/os.rst
View file
Open in desktop
2 changes: 1 addition & 1 deletion Modules/posixmodule.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3369,7 +3369,7 @@ static PyMemberDef pystatx_result_members[] = {
MM(stx_atomic_write_segments_max, Py_T_UINT, atomic_write_segments_max,
"maximum iovecs for direct I/O with torn-write protection"),
#endif
#if 0
#ifdef HAVE_STRUCT_STATX_STX_ATOMIC_WRITE_UNIT_MAX_OPT
MM(stx_atomic_write_unit_max_opt, Py_T_UINT, atomic_write_unit_max_opt,
"maximum optimized size for direct I/O with torn-write protection"),
#endif
Expand Down
15 changes: 15 additions & 0 deletions configure
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

7 changes: 7 additions & 0 deletions configure.ac
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5819,6 +5819,13 @@ AC_CHECK_MEMBERS([struct passwd.pw_gecos, struct passwd.pw_passwd], [], [], [[
# Issue #21085: In Cygwin, siginfo_t does not have si_band field.
AC_CHECK_MEMBERS([siginfo_t.si_band], [], [], [[@%:@include <signal.h>]])

if test "$ac_cv_func_statx" = yes; then
# stx_atomic_write_unit_max_opt was added in Linux 6.16, but is controlled by
# the STATX_WRITE_ATOMIC mask bit added in Linux 6.11, so having the mask bit
# doesn't imply having the member.
AC_CHECK_MEMBERS([struct statx.stx_atomic_write_unit_max_opt])
fi

AC_CACHE_CHECK([for time.h that defines altzone], [ac_cv_header_time_altzone], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <time.h>]], [[return altzone;]])],
[ac_cv_header_time_altzone=yes],
Expand Down
4 changes: 4 additions & 0 deletions pyconfig.h.in
View file
Open in desktop
Loading