Issue #17899: Fix rare file descriptor leak in os.listdir().

(Done as separate patch from trunk as the code has diverged quite a bit.)
This commit is contained in:
Larry Hastings 2013-08-01 19:34:46 -07:00
parent 39668f57f4
commit 2e3e593e34
2 changed files with 13 additions and 0 deletions

View File

@ -12,6 +12,8 @@ What's New in Python 3.3.3 release candidate 1?
Core and Builtins
-----------------
- Issue #17899: Fix rare file descriptor leak in os.listdir().
- Issue #18552: Check return value of PyArena_AddPyObject() in
obj2ast_object().

View File

@ -3443,7 +3443,9 @@ posix_listdir(PyObject *self, PyObject *args, PyObject *kwargs)
path_t path;
PyObject *list = NULL;
static char *keywords[] = {"path", NULL};
#ifdef HAVE_FDOPENDIR
int fd = -1;
#endif /* HAVE_FDOPENDIR */
#if defined(MS_WINDOWS) && !defined(HAVE_OPENDIR)
PyObject *v;
@ -3732,6 +3734,13 @@ exit:
if (dirp == NULL) {
list = path_error("listdir", &path);
#ifdef HAVE_FDOPENDIR
if (fd != -1) {
Py_BEGIN_ALLOW_THREADS
close(fd);
Py_END_ALLOW_THREADS
}
#endif /* HAVE_FDOPENDIR */
goto exit;
}
if ((list = PyList_New(0)) == NULL) {
@ -3774,8 +3783,10 @@ exit:
exit:
if (dirp != NULL) {
Py_BEGIN_ALLOW_THREADS
#ifdef HAVE_FDOPENDIR
if (fd > -1)
rewinddir(dirp);
#endif /* HAVE_FDOPENDIR */
closedir(dirp);
Py_END_ALLOW_THREADS
}