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Description
Bug report
Bug description:
Example:https://github.com/python/cpython/actions/runs/18868398194/job/53840759567?pr=140558
======================================================================ERROR:test_UnixDatagramServer (test.test_socketserver.SocketServerTest.test_UnixDatagramServer)----------------------------------------------------------------------Traceback (mostrecentcalllast):File"/Users/runner/Library/Developer/CoreSimulator/Devices/7EDFF154-B6AB-44D3-BA15-EBE53F1F1878/data/Containers/Bundle/Application/F7FB9E8B-0A4F-4BDD-A041-3CB5C1B883AE/iOSTestbed.app/python/lib/python3.15/test/test_socketserver.py",line227,intest_UnixDatagramServerself.run_server(socketserver.UnixDatagramServer,~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^socketserver.DatagramRequestHandler,^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^self.dgram_examine)^^^^^^^^^^^^^^^^^^^File"/Users/runner/Library/Developer/CoreSimulator/Devices/7EDFF154-B6AB-44D3-BA15-EBE53F1F1878/data/Containers/Bundle/Application/F7FB9E8B-0A4F-4BDD-A041-3CB5C1B883AE/iOSTestbed.app/python/lib/python3.15/test/support/threading_helper.py",line66,indecoratorreturnfunc(*args)File"/Users/runner/Library/Developer/CoreSimulator/Devices/7EDFF154-B6AB-44D3-BA15-EBE53F1F1878/data/Containers/Bundle/Application/F7FB9E8B-0A4F-4BDD-A041-3CB5C1B883AE/iOSTestbed.app/python/lib/python3.15/test/test_socketserver.py",line135,inrun_servertestfunc(svrcls.address_family,addr)~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/runner/Library/Developer/CoreSimulator/Devices/7EDFF154-B6AB-44D3-BA15-EBE53F1F1878/data/Containers/Bundle/Application/F7FB9E8B-0A4F-4BDD-A041-3CB5C1B883AE/iOSTestbed.app/python/lib/python3.15/test/test_socketserver.py",line162,indgram_examinebuf=data=receive(s,100)~~~~~~~^^^^^^^^File"/Users/runner/Library/Developer/CoreSimulator/Devices/7EDFF154-B6AB-44D3-BA15-EBE53F1F1878/data/Containers/Bundle/Application/F7FB9E8B-0A4F-4BDD-A041-3CB5C1B883AE/iOSTestbed.app/python/lib/python3.15/test/test_socketserver.py",line44,inreceiveraiseRuntimeError("timed out on %r"% (sock,))RuntimeError:timedouton<socket.socketfd=33,family=1,type=2,proto=0,laddr=./test_python_x3rw1qn_.sock>
The function usestest.support.SHORT_TIMEOUT which is 30 seconds by default:
defreceive(sock,n,timeout=test.support.SHORT_TIMEOUT):r,w,x=_real_select([sock], [], [],timeout)ifsockinr:returnsock.recv(n)else:raiseRuntimeError("timed out on %r"% (sock,))
CPython versions tested on:
CPython main branch
Operating systems tested on:
Other
Linked PRs
- gh-140702: Diagnose iOS datagram timeout bug #140736
- gh-140702: Add test skip for Unix Datagram tests on iOS when on Github Actions #140740
- [3.14] gh-140702: Add test skip for Unix Datagram tests on iOS when on Github Actions (GH-140740) #140742
- gh-140702: Log color and GHA env vars in test.pythoninfo #140747
- [3.14] gh-140702: Log color and GHA env vars in test.pythoninfo (GH-140747) #140753
- [3.13] gh-140702: Log color and GHA env vars in test.pythoninfo (GH-140747) #140754