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gh-131338: Disable new stack size code for non-glibc on linux. #134336

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Merged
merged 6 commits into from
Jul 28, 2025
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gh-131338: Disable new stack size code for non-glibc on linux. #134336

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0d8f676
Disable new stack size code for non-glibc.
bitdancer May 20, 2025
d7262cc
Don't require glibc if it isn't linux.
bitdancer Jun 15, 2025
5c55790
Clarify why we check __glibc__.
bitdancer Jun 16, 2025
ac92003
Apply suggestion from @vstinner
kumaraditya303 Jul 25, 2025
733a28b
add news
kumaraditya303 Jul 25, 2025
6498d29
Merge branch 'main' into revert_new_stack_check_for_non_glibc-131338
kumaraditya303 Jul 25, 2025
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Clarify why we check __glibc__.
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@bitdancer
bitdancer committed Jun 16, 2025
commit 5c55790c96adc5a06a1a6fd8f9dc18f8eedfb570
2 changes: 1 addition & 1 deletion Python/ceval.c
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Expand Up @@ -444,7 +444,7 @@ _Py_InitializeRecursionLimits(PyThreadState *tstate)
uintptr_t here_addr = _Py_get_machine_stack_pointer();
/// XXX musl supports HAVE_PTHRED_GETATTR_NP, but the resulting stack size
/// (on alpine at least) is much smaller than expected and imposes undue limits
/// compared to the old stack size estimation.
/// compared to the old stack size estimation. (We assume musl if not glibc.)
# if defined(HAVE_PTHREAD_GETATTR_NP) && !defined(_AIX) && \
!defined(__NetBSD__) && (defined(__GLIBC__) || !defined(__linux__))
size_t stack_size, guard_size;
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