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gh-137400: Fix thread-safety issues when profiling all threads #137518

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Merged
colesbury merged 10 commits into from
Aug 13, 2025
Merged

gh-137400: Fix thread-safety issues when profiling all threads #137518

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bcb2772
gh-137400: Fix a thread-safety issues when profiling all threads
colesbury Aug 6, 2025
09b28c8
Add blurb
colesbury Aug 7, 2025
468b8fe
Fix error handling
colesbury Aug 7, 2025
e79ed43
Merge branch 'main' into gh-137400-now-with-fewer-crashes
colesbury Aug 7, 2025
e8ab41d
Fix another race with tracing
colesbury Aug 7, 2025
a1d8760
Merge branch 'main' into gh-137400-now-with-fewer-crashes
colesbury Aug 11, 2025
03ec62c
Changes from review
colesbury Aug 11, 2025
1b613bd
Update Python/legacy_tracing.c
colesbury Aug 11, 2025
0f7e62d
Changes from review
colesbury Aug 11, 2025
9225c9a
Update Python/legacy_tracing.c
colesbury Aug 12, 2025
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Merge branch 'main' into gh-137400-now-with-fewer-crashes
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@colesbury
colesbury committed Aug 7, 2025
commit e79ed43b8bc05f940b92c3356a2270113939deda
4 changes: 2 additions & 2 deletions Python/pystate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1685,11 +1685,11 @@ PyThreadState_Clear(PyThreadState *tstate)
}

if (tstate->c_profilefunc != NULL) {
_Py_atomic_add_ssize(&tstate->interp->sys_profiling_threads, -1);
FT_ATOMIC_ADD_SSIZE(tstate->interp->sys_profiling_threads, -1);
tstate->c_profilefunc = NULL;
}
if (tstate->c_tracefunc != NULL) {
_Py_atomic_add_ssize(&tstate->interp->sys_tracing_threads, -1);
FT_ATOMIC_ADD_SSIZE(tstate->interp->sys_tracing_threads, -1);
tstate->c_tracefunc = NULL;
}

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