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The _Event class should be more careful with releasing its lock when 

interrupted.  A try/finally will do nicely.  Maybe other classes need
this too, but since they manipulate more state it's less clear that
that is always the right thing, and I'm in a hurry.

Backport candidate.
This commit is contained in:
Guido van Rossum 2002-11-21 21:08:39 +00:00
parent d584368dec
commit 21b60147e9
1 changed files with 14 additions and 8 deletions
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22
Lib/threading.py
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@ -318,20 +318,26 @@ class _Event(_Verbose):
def set(self): def set(self):
self.__cond.acquire() self.__cond.acquire()
self.__flag = True try:
self.__cond.notifyAll() self.__flag = True
self.__cond.release() self.__cond.notifyAll()
finally:
self.__cond.release()
def clear(self): def clear(self):
self.__cond.acquire() self.__cond.acquire()
self.__flag = False try:
self.__cond.release() self.__flag = False
finally:
self.__cond.release()
def wait(self, timeout=None): def wait(self, timeout=None):
self.__cond.acquire() self.__cond.acquire()
if not self.__flag: try:
self.__cond.wait(timeout) if not self.__flag:
self.__cond.release() self.__cond.wait(timeout)
finally:
self.__cond.release()
# Helper to generate new thread names # Helper to generate new thread names
_counter = 0 _counter = 0