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bpo-18049: Define THREAD_STACK_SIZE for AIX to pass default recursion limit test (GH-15081) 

* Define THREAD_STACK_SIZE for AIX to pass default recursion limit test
(cherry picked from commit 9670ce76b8)

Co-authored-by: Michael Felt <aixtools@users.noreply.github.com>
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Miss Islington (bot) 2019-08-28 22:35:41 -07:00 committed by GitHub
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commit f92bb6ed33
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Misc/NEWS.d/next/Library/2019-08-02-16-44-42.bpo-18049.OA4qBL.rst Normal file
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Add definition of THREAD_STACK_SIZE for AIX in Python/thread_pthread.h
The default thread stacksize caused crashes with the default recursion limit
Patch by M Felt

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Python/thread_pthread.h
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@ -47,6 +47,10 @@
#undef THREAD_STACK_SIZE
#define THREAD_STACK_SIZE 0x400000
#endif
#if defined(_AIX) && defined(THREAD_STACK_SIZE) && THREAD_STACK_SIZE == 0
#undef THREAD_STACK_SIZE
#define THREAD_STACK_SIZE 0x200000
#endif
/* for safety, ensure a viable minimum stacksize */
#define THREAD_STACK_MIN 0x8000 /* 32 KiB */
#else /* !_POSIX_THREAD_ATTR_STACKSIZE */