Issue #18763: subprocess: The file descriptors are now closed after calling the

preexec_fn callback, which may open file descriptors.
This commit is contained in:
Charles-François Natali 2013-08-25 18:22:49 +02:00
parent 59a06f5020
commit 4c53314475
1 changed files with 5 additions and 4 deletions

View File

@ -1247,16 +1247,17 @@ class Popen(object):
os.close(fd)
closed.add(fd)
# Close all other fds, if asked for
if close_fds:
self._close_fds(but=errpipe_write)
if cwd is not None:
os.chdir(cwd)
if preexec_fn:
preexec_fn()
# Close all other fds, if asked for - after
# preexec_fn(), which may open FDs.
if close_fds:
self._close_fds(but=errpipe_write)
if env is None:
os.execvp(executable, args)
else: