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author | Charles-François Natali <neologix@free.fr> | 2012-01-07 18:24:56 +0100 |
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committer | Charles-François Natali <neologix@free.fr> | 2012-01-07 18:24:56 +0100 |
commit | ded0348c08f298fda4426eb2a62cc3d50eed25b5 (patch) | |
tree | f762e7f1f50cce89494a53a5744ad307d0d02b2d /Lib/threading.py | |
parent | b52e7a9a364096d355d32927c537389cfc10a5db (diff) | |
download | cpython-git-ded0348c08f298fda4426eb2a62cc3d50eed25b5.tar.gz |
Issue #13502: threading: Fix a race condition in Event.wait() that made it
return False when the event was set and cleared right after.
Diffstat (limited to 'Lib/threading.py')
-rw-r--r-- | Lib/threading.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Lib/threading.py b/Lib/threading.py index 043e6c82af..fe92f10636 100644 --- a/Lib/threading.py +++ b/Lib/threading.py @@ -418,9 +418,10 @@ class _Event(_Verbose): def wait(self, timeout=None): self._cond.acquire() try: - if not self._flag: - self._cond.wait(timeout) - return self._flag + signaled = self._flag + if not signaled: + signaled = self._cond.wait(timeout) + return signaled finally: self._cond.release() |