1 files changed, 3 insertions, 1 deletions
diff --git a/Python/fileutils.c b/Python/fileutils.c
index 268ffa3..610e729 100644
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -1790,6 +1790,7 @@ _Py_fopen_obj(PyObject *path, const char *mode)
         Py_END_ALLOW_THREADS
     } while (f == NULL
              && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    int saved_errno = errno;
     PyMem_Free(wpath);
 #else
     PyObject *bytes;
@@ -1812,13 +1813,14 @@ _Py_fopen_obj(PyObject *path, const char *mode)
         Py_END_ALLOW_THREADS
     } while (f == NULL
              && errno == EINTR && !(async_err = PyErr_CheckSignals()));
-
+    int saved_errno = errno;
     Py_DECREF(bytes);
 #endif
     if (async_err)
         return NULL;
 
     if (f == NULL) {
+        errno = saved_errno;
         PyErr_SetFromErrnoWithFilenameObject(PyExc_OSError, path);
         return NULL;
     }