8000 gh-116143: Fix race condition in pydoc _start_server by itamaro · Pull Request #116144 · python/cpython · GitHub
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gh-116143: Fix race condition in pydoc _start_server #116144

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Merged
merged 3 commits into from
Mar 6, 2024
Merged

gh-116143: Fix race condition in pydoc _start_server #116144

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gh-116143: Fix race condition in pydoc _start_server
itamaro Feb 29, 2024
e5ec6ac
Add NEWS entry
itamaro Mar 6, 2024
72e6037
one day I will get rst right in the first attempt. maybe.
itamaro Mar 6, 2024
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gh-116143: Fix race condition in pydoc _start_server
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@itamaro
itamaro committed Feb 29, 2024
commit 9afa6c5aa7c990f22136518e9f972c908b8f7bb9
7 changes: 4 additions & 3 deletions Lib/pydoc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2495,6 +2495,7 @@ def __init__(self, urlhandler, host, port):
threading.Thread.__init__(self)
self.serving = False
self.error = None
self.docserver = None

def run(self):
"""Start the server."""
Expand Down Expand Up @@ -2527,9 +2528,9 @@ def stop(self):

thread = ServerThread(urlhandler, hostname, port)
thread.start()
# Wait until thread.serving is True to make sure we are
# really up before returning.
while not thread.error and not thread.serving:
# Wait until thread.serving is True and thread.docserver is set
# to make sure we are really up before returning.
while not thread.error and not (thread.serving and thread.docserver):
time.sleep(.01)
return thread

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