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[3.11] bpo-40514: Drop EXPERIMENTAL_ISOLATED_SUBINTERPRETERS (gh-93185) (GH-93306)

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(cherry picked from commit caa279d6fd)

This was added for bpo-40514 (gh-84694) to test out a per-interpreter GIL.  However, it has since proven unnecessary to keep the experiment in the repo.  (It can be done as a branch in a fork like normal.)  So here we are removing:

* the configure option
* the macro
* the code enabled by the macro

Automerge-Triggered-By: GH:ericsnowcurrently
This commit is contained in:
Eric Snow 2022-05-27 18:56:30 -06:00 • committed by GitHub
parent cf63b80bc4
commit 36374251aa
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18 changed files with 10 additions and 234 deletions
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10
Python/preconfig.c
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@ -294,17 +294,7 @@ _PyPreConfig_InitCompatConfig(PyPreConfig *config)
config->coerce_c_locale_warn = 0;
config->dev_mode = -1;
#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
/* bpo-40512: pymalloc is not compatible with subinterpreters,
force usage of libc malloc() which is thread-safe. */
#ifdef Py_DEBUG
config->allocator = PYMEM_ALLOCATOR_MALLOC_DEBUG;
#else
config->allocator = PYMEM_ALLOCATOR_MALLOC;
#endif
#else
config->allocator = PYMEM_ALLOCATOR_NOT_SET;
#endif
#ifdef MS_WINDOWS
config->legacy_windows_fs_encoding = -1;
#endif