From cdf158a802e7e1cf5e6313650975e493df8ee965 Mon Sep 17 00:00:00 2001
From: Guido Trotter <ultrotter@google.com>
Date: Wed, 9 Jun 2010 20:01:27 +0100
Subject: [PATCH] Remove locking._CountingCondition
This class is unused and untested. We must have forgot it around.
Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>
---
lib/locking.py | 48 ------------------------------------------------
1 file changed, 48 deletions(-)
diff --git a/lib/locking.py b/lib/locking.py
index 28e640ff0..e7e16ebad 100644
--- a/lib/locking.py
+++ b/lib/locking.py
@@ -384,54 +384,6 @@ class PipeCondition(_BaseCondition):
return bool(self._nwaiters)
-class _CountingCondition(object):
- """Wrapper for Python's built-in threading.Condition class.
-
- This wrapper keeps a count of active waiters. We can't access the internal
- "__waiters" attribute of threading.Condition because it's not thread-safe.
-
- """
- __slots__ = [
- "_cond",
- "_nwaiters",
- ]
-
- def __init__(self, lock):
- """Initializes this class.
-
- """
- object.__init__(self)
- self._cond = threading.Condition(lock=lock)
- self._nwaiters = 0
-
- def notifyAll(self): # pylint: disable-msg=C0103
- """Notifies the condition.
-
- """
- return self._cond.notifyAll()
-
- def wait(self, timeout=None):
- """Waits for the condition to be notified.
-
- @type timeout: float or None
- @param timeout: Waiting timeout (can be None)
-
- """
- assert self._nwaiters >= 0
-
- self._nwaiters += 1
- try:
- return self._cond.wait(timeout=timeout)
- finally:
- self._nwaiters -= 1
-
- def has_waiting(self):
- """Returns whether there are active waiters.
-
- """
- return bool(self._nwaiters)
-
-
class SharedLock(object):
"""Implements a shared lock.
--
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