closes bpo-37964: add F_GETPATH command to fcntl (GH-15550)
https://bugs.python.org/issue37964
Automerge-Triggered-By: @benjaminp
diff --git a/Doc/library/fcntl.rst b/Doc/library/fcntl.rst
index 2db9674..6a66f5b 100644
--- a/Doc/library/fcntl.rst
+++ b/Doc/library/fcntl.rst
@@ -33,6 +33,10 @@
``F_SEAL_*`` constants for sealing of :func:`os.memfd_create` file
descriptors.
+.. versionchanged:: 3.9
+ On macOS, the fcntl module exposes the ``F_GETPATH`` constant, which obtains
+ the path of a file from a file descriptor.
+
The module defines the following functions: