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gh-76785: Improved Subinterpreters Compatibility with 3.12 (gh-115424)

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For the most part, these changes make is substantially easier to backport subinterpreter-related code to 3.12, especially the related modules (e.g. _xxsubinterpreters). The main motivation is to support releasing a PyPI package with the 3.13 capabilities compiled for 3.12.

A lot of the changes here involve either hiding details behind macros/functions or splitting up some files.
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Eric Snow 2024-02-13 14:56:49 -07:00 • committed by GitHub
parent 206f73dc5f
commit 514b1c91b8
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12 changed files with 857 additions and 719 deletions
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Include/internal/pycore_code.h
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@ -8,6 +8,15 @@ extern "C" {
# error "this header requires Py_BUILD_CORE define"
#endif
// We hide some of the newer PyCodeObject fields behind macros.
// This helps with backporting certain changes to 3.12.
#define _PyCode_HAS_EXECUTORS(CODE) \
(CODE->co_executors != NULL)
#define _PyCode_HAS_INSTRUMENTATION(CODE) \
(CODE->_co_instrumentation_version > 0)
#define CODE_MAX_WATCHERS 8
/* PEP 659