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gh-140260: Fix data race in _struct module initialization with subinterpreters #140909

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Merged
kumaraditya303 merged 20 commits into from
Nov 13, 2025
Merged

gh-140260: Fix data race in _struct module initialization with subinterpreters #140909

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243b5f0
Fix data race in _struct module endian table initialization
ashm-dev Nov 2, 2025
4c9892e
fix doc
ashm-dev Nov 2, 2025
95958e8
refactor(c-analyzer): add endian_tables_init_once to globals-to-fix list
ashm-dev Nov 2, 2025
3130512
Use Py_UNUSED for unused arg in init_endian_tables
ashm-dev Nov 2, 2025
d33514b
fix: remove duplicate include of pycore_lock.h in _struct.c
ashm-dev Nov 2, 2025
c4f577f
add test
ashm-dev Nov 3, 2025
238c40e
Remove return check for endian table init
ashm-dev Nov 3, 2025
f4d24ff
Use InterpreterPoolExecutor in struct tests
ashm-dev Nov 3, 2025
2977abf
Ignore return value of _PyOnceFlag_CallOnce
ashm-dev Nov 3, 2025
5e6b45b
Move endian_tables_init_once to ignored.tsv
ashm-dev Nov 3, 2025
4492520
Import InterpreterPoolExecutor locally in test
ashm-dev Nov 3, 2025
a1caec9
Skip subinterpreter init test unless GIL disabled
ashm-dev Nov 3, 2025
f1cf169
Inline exec and wrap skipUnless args
ashm-dev Nov 5, 2025
1408896
Skip test when InterpreterPoolExecutor missing
ashm-dev Nov 5, 2025
359ae9a
Fix executor.map usage in test_struct
ashm-dev Nov 5, 2025
47494a4
Pass exec to executor.map
ashm-dev Nov 5, 2025
93830ea
Merge branch 'main' into tsan
ZeroIntensity Nov 5, 2025
434dbab
Merge branch 'main' into tsan
kumaraditya303 Nov 6, 2025
3844826
fix: tests
ashm-dev Nov 13, 2025
b825107
Merge branch 'main' into tsan
kumaraditya303 Nov 13, 2025
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fix: remove duplicate include of pycore_lock.h in _struct.c
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@ashm-dev
ashm-dev committed Nov 2, 2025
commit d33514b66f4c90258b6c1ed05a66e51c7bb1a3ac
2 changes: 1 addition & 1 deletion Modules/_struct.c
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Original file line number Diff line number Diff line change
Expand Up @@ -9,10 +9,10 @@

#include "Python.h"
#include "pycore_bytesobject.h" // _PyBytesWriter
#include "pycore_lock.h" // _PyOnceFlag_CallOnce()
#include "pycore_long.h" // _PyLong_AsByteArray()
#include "pycore_moduleobject.h" // _PyModule_GetState()
#include "pycore_weakref.h" // FT_CLEAR_WEAKREFS()
#include "pycore_lock.h" // _PyOnceFlag_CallOnce()

#include <stddef.h> // offsetof()

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