8000 bpo-38061: os.closerange() uses closefrom() on FreeBSD by vstinner · Pull Request #19696 · python/cpython · GitHub
[go: up one dir, main page]
Skip to content

bpo-38061: os.closerange() uses closefrom() on FreeBSD #19696

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
merged 1 commit into from
Apr 24, 2020
Merged

bpo-38061: os.closerange() uses closefrom() on FreeBSD #19696

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
6 changes: 6 additions & 0 deletions Misc/NEWS.d/next/Library/2020-04-24-01-27-08.bpo-38061.cdlkMz.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
On FreeBSD, ``os.closerange(fd_low, fd_high)`` now calls ``closefrom(fd_low)``
if *fd_high* is greater than or equal to ``sysconf(_SC_OPEN_MAX)``.

Initial patch by Ed Maste (emaste), Conrad Meyer (cem), Kyle Evans (kevans)
and Kubilay Kocak (koobs):
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Can remove this, full credit to Ed, Conrad & Kyle

Copy link
Member Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Even if you didn't write the patch itself, you helped to get it in FreeBSD package, and so you deserve to be credited for this work ;-) Thanks @koobs!

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=242274
27 changes: 20 additions & 7 deletions Modules/posixmodule.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8687,10 +8687,13 @@ _fdwalk_close_func(void *lohi, int fd)
int lo = ((int *)lohi)[0];
int hi = ((int *)lohi)[1];

if (fd >= hi)
if (fd >= hi) {
return 1;
else if (fd >= lo)
close(fd);
}
else if (fd >= lo) {
/* Ignore errors */
(void)close(fd);
}
return 0;
}
#endif /* HAVE_FDWALK */
Expand All @@ -8711,8 +8714,6 @@ os_closerange_impl(PyObject *module, int fd_low, int fd_high)
{
#ifdef HAVE_FDWALK
int lohi[2];
#else
int i;
#endif
Py_BEGIN_ALLOW_THREADS
_Py_BEGIN_SUPPRESS_IPH
Expand All @@ -8721,8 +8722,20 @@ os_closerange_impl(PyObject *module, int fd_low, int fd_high)
lohi[1] = fd_high;
fdwalk(_fdwalk_close_func, lohi);
#else
for (i = Py_MAX(fd_low, 0); i < fd_high; i++)
close(i);
fd_low = Py_MAX(fd_low, 0);
#ifdef __FreeBSD__
if (fd_high >= sysconf(_SC_OPEN_MAX)) {
/* Any errors encountered while closing file descriptors are ignored */
closefrom(fd_low);
}
else
#endif
{
for (int i = fd_low; i < fd_high; i++) {
/* Ignore errors */
(void)close(i);
}
}
#endif
_Py_END_SUPPRESS_IPH
Py_END_ALLOW_THREADS
Expand Down
0