#11866: Eliminate race condition in the computation of names for new threads.

Original patch by Peter Saveliev.
This commit is contained in:
R David Murray 2014-10-04 17:43:54 -04:00
parent e1618491ad
commit b186f1df41
2 changed files with 7 additions and 5 deletions

View file

@ -9,7 +9,7 @@ except ImportError:
from time import time as _time
from traceback import format_exc as _format_exc
from _weakrefset import WeakSet
from itertools import islice as _islice
from itertools import islice as _islice, count as _count
try:
from _collections import deque as _deque
except ImportError:
@ -726,11 +726,10 @@ class BrokenBarrierError(RuntimeError):
# Helper to generate new thread names
_counter = 0
_counter = _count().__next__
_counter() # Consume 0 so first non-main thread has id 1.
def _newname(template="Thread-%d"):
global _counter
_counter += 1
return template % _counter
return template % _counter()
# Active thread administration
_active_limbo_lock = _allocate_lock()