core: Make Latch.put(obj=) optional.

2019-02-14 14:58:55 +00:00 · 2019-02-14 14:58:55 +00:00 · ca63c26e01
parent d865fb797d
commit ca63c26e01
1 changed files with 4 additions and 1 deletions
--- a/mitogen/core.py
+++ b/mitogen/core.py
@ -2240,11 +2240,14 @@ class Latch(object):
        finally:
            self._lock.release()

-    def put(self, obj):
+    def put(self, obj=None):
        """
        Enqueue an object, waking the first thread waiting for a result, if one
        exists.

+        :param obj:
+            Object to enqueue. Defaults to :data:`None` as a convenience when
+            using :class:`Latch` only for synchronization.
        :raises mitogen.core.LatchError:
            :meth:`close` has been called, and the object is no longer valid.
        """