+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
import time
import ciso8601
import calendar
self.dead = False
self.cache_size = 0
self.cache_uuid = None
+
+ # Can the kernel cache attributes?
self.allow_attr_cache = True
- self.allow_dirent_cache = True
def invalidate(self):
"""Indicate that object contents should be refreshed from source."""
self.ref_count -= n
return self.ref_count
- def has_ref(self, only_children=False):
- return self.ref_count > 0
+ def has_ref(self, only_children):
+ """Determine if there are any kernel references to this
+ object or its children.
+
+ If only_children is True, ignore refcount of self and only consider
+ children.
+ """
+ if only_children:
+ return False
+ else:
+ return self.ref_count > 0
def objsize(self):
return 0
def finalize(self):
pass
+
+ def child_event(self, ev):
+ pass
+
+ def time_to_next_poll(self):
+ if self._poll:
+ t = (self._last_update + self._poll_time) - self._atime
+ if t < 0:
+ return 0
+ else:
+ return t
+ else:
+ return self._poll_time