diff options
Diffstat (limited to 'Modules/mmapmodule.c')
| -rw-r--r-- | Modules/mmapmodule.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c index 6cf4545..6abdc71 100644 --- a/Modules/mmapmodule.c +++ b/Modules/mmapmodule.c @@ -1050,6 +1050,7 @@ static PyObject * new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict) { struct _Py_stat_struct status; + int fstat_result; mmap_object *m_obj; Py_ssize_t map_size; off_t offset = 0; @@ -1115,8 +1116,14 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict) if (fd != -1) (void)fcntl(fd, F_FULLFSYNC); #endif - if (fd != -1 && _Py_fstat_noraise(fd, &status) == 0 - && S_ISREG(status.st_mode)) { + + if (fd != -1) { + Py_BEGIN_ALLOW_THREADS + fstat_result = _Py_fstat_noraise(fd, &status); + Py_END_ALLOW_THREADS + } + + if (fd != -1 && fstat_result == 0 && S_ISREG(status.st_mode)) { if (map_size == 0) { if (status.st_size == 0) { PyErr_SetString(PyExc_ValueError, |