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bpo-46210: Fix deadlock in print. #30310

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notarealdeveloper wants to merge 15 commits into from
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bpo-46210: Fix deadlock in print. #30310

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dc5d787
Fix deadlock in print.
notarealdeveloper Dec 30, 2021
46d4ce6
Add Misc/NEWS.d entry.
notarealdeveloper Dec 30, 2021
3409181
Only add _at_fork_reinit if fork is available.
notarealdeveloper Dec 31, 2021
19f19b7
Use Py_RETURN_* in Modules/_io/bufferedio.c:buffered_at_fork_reinit
notarealdeveloper Dec 31, 2021
f5334b4
Fix up reference counting in Python/pystate.c:stdio_at_fork_reinit
notarealdeveloper Dec 31, 2021
3858006
Formatting for PEP 7.
notarealdeveloper Jan 5, 2022
fb0bd16
Add _PySys_ReInitStdio to Python/sysmodule.c
notarealdeveloper Jan 5, 2022
8c8d9c9
Call _PySys_ReInitStdio in PyOS_AfterFork_Child.
notarealdeveloper Jan 5, 2022
a14bf74
Avoid adding a new python method.
notarealdeveloper Jan 24, 2022
be40192
Add TestStdioAtForkReInit to test_thread.py
notarealdeveloper Jan 24, 2022
bf9b398
Move INCREF in _PyIO_buffered_at_fork_reinit
notarealdeveloper Feb 7, 2022
5681a02
Remove unused variable in stdio_at_fork_reinit
notarealdeveloper Feb 7, 2022
2054bfa
Correct buffer->lock reinit logic.
notarealdeveloper Feb 8, 2022
a8e4185
Merge remote-tracking branch 'upstream/main' into print
notarealdeveloper Feb 17, 2022
56a405f
stream_at_fork_reinit now uses _Py_ID instead of _Py_Identifier.
notarealdeveloper Feb 17, 2022
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Call _PySys_ReInitStdio in PyOS_AfterFork_Child.
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@notarealdeveloper
notarealdeveloper committed Jan 5, 2022
commit 8c8d9c9997184caff123be37bb19c4a009ef811b
6 changes: 6 additions & 0 deletions Modules/posixmodule.c
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Expand Up @@ -26,6 +26,7 @@
#include "pycore_moduleobject.h" // _PyModule_GetState()
#include "pycore_ceval.h" // _PyEval_ReInitThreads()
#include "pycore_import.h" // _PyImport_ReInitLock()
#include "pycore_sysmodule.h" // _PySys_ReInitStdio()
#include "pycore_initconfig.h" // _PyStatus_EXCEPTION()
#include "pycore_pystate.h" // _PyInterpreterState_GET()

Expand Down Expand Up @@ -593,6 +594,11 @@ PyOS_AfterFork_Child(void)
goto fatal_error;
}

status = _PySys_ReInitStdio();
if (_PyStatus_EXCEPTION(status)) {
goto fatal_error;
}

_PySignal_AfterFork();

status = _PyRuntimeState_ReInitThreads(runtime);
Expand Down