Thanks to visit codestin.com
Credit goes to github.com

Skip to content

gh-87474: Fix file descriptor leaks in subprocess.Popen #96351

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
gpshead merged 5 commits into from
May 16, 2023
Merged

gh-87474: Fix file descriptor leaks in subprocess.Popen #96351

Changes from 1 commit
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
6270ccd
Fix file descriptor leaks in subprocess.Popen
cptpcrd Aug 28, 2022
783e6f8
Refactor to use context manager
cptpcrd Oct 2, 2022
0d4efba
Move err_close_fds adds next to pipe creation.
gpshead Oct 7, 2022
0265ce7
add ReST formatting to NEWS.
gpshead May 16, 2023
1b7b0f4
Merge branch 'main' into subprocess-fd-leak
gpshead May 16, 2023
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
Prev Previous commit
Next Next commit
Move err_close_fds adds next to pipe creation.
  • Loading branch information
@gpshead @cptpcrd
gpshead authored and cptpcrd committed Mar 12, 2023
commit 0d4efba1463431f667b63e34f2aa4ac01ab64b4c
12 changes: 6 additions & 6 deletions Lib/subprocess.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1349,8 +1349,8 @@ def _get_handles(self, stdin, stdout, stderr):
if p2cread is None:
p2cread, _ = _winapi.CreatePipe(None, 0)
p2cread = Handle(p2cread)
_winapi.CloseHandle(_)
err_close_fds.append(p2cread)
_winapi.CloseHandle(_)
elif stdin == PIPE:
p2cread, p2cwrite = _winapi.CreatePipe(None, 0)
p2cread, p2cwrite = Handle(p2cread), Handle(p2cwrite)
Expand All @@ -1369,8 +1369,8 @@ def _get_handles(self, stdin, stdout, stderr):
if c2pwrite is None:
_, c2pwrite = _winapi.CreatePipe(None, 0)
c2pwrite = Handle(c2pwrite)
_winapi.CloseHandle(_)
err_close_fds.append(c2pwrite)
_winapi.CloseHandle(_)
elif stdout == PIPE:
c2pread, c2pwrite = _winapi.CreatePipe(None, 0)
c2pread, c2pwrite = Handle(c2pread), Handle(c2pwrite)
Expand All @@ -1389,8 +1389,8 @@ def _get_handles(self, stdin, stdout, stderr):
if errwrite is None:
_, errwrite = _winapi.CreatePipe(None, 0)
errwrite = Handle(errwrite)
_winapi.CloseHandle(_)
err_close_fds.append(errwrite)
_winapi.CloseHandle(_)
elif stderr == PIPE:
errread, errwrite = _winapi.CreatePipe(None, 0)
errread, errwrite = Handle(errread), Handle(errwrite)
Expand Down Expand Up @@ -1696,9 +1696,9 @@ def _get_handles(self, stdin, stdout, stderr):
pass
elif stdin == PIPE:
p2cread, p2cwrite = os.pipe()
err_close_fds.extend((p2cread, p2cwrite))
if self.pipesize > 0 and hasattr(fcntl, "F_SETPIPE_SZ"):
fcntl.fcntl(p2cwrite, fcntl.F_SETPIPE_SZ, self.pipesize)
err_close_fds.extend((p2cread, p2cwrite))
elif stdin == DEVNULL:
p2cread = self._get_devnull()
elif isinstance(stdin, int):
Expand All @@ -1711,9 +1711,9 @@ def _get_handles(self, stdin, stdout, stderr):
pass
elif stdout == PIPE:
c2pread, c2pwrite = os.pipe()
err_close_fds.extend((c2pread, c2pwrite))
if self.pipesize > 0 and hasattr(fcntl, "F_SETPIPE_SZ"):
fcntl.fcntl(c2pwrite, fcntl.F_SETPIPE_SZ, self.pipesize)
err_close_fds.extend((c2pread, c2pwrite))
elif stdout == DEVNULL:
c2pwrite = self._get_devnull()
elif isinstance(stdout, int):
Expand All @@ -1726,9 +1726,9 @@ def _get_handles(self, stdin, stdout, stderr):
pass
elif stderr == PIPE:
errread, errwrite = os.pipe()
err_close_fds.extend((errread, errwrite))
if self.pipesize > 0 and hasattr(fcntl, "F_SETPIPE_SZ"):
fcntl.fcntl(errwrite, fcntl.F_SETPIPE_SZ, self.pipesize)
err_close_fds.extend((errread, errwrite))
elif stderr == STDOUT:
if c2pwrite != -1:
errwrite = c2pwrite
Expand Down