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gh-81057: Move the Allocators to _PyRuntimeState (gh-99217)

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The global allocators were stored in 3 static global variables: _PyMem_Raw, _PyMem, and _PyObject.  State for the "small block" allocator was stored in another 13.  That makes a total of 16 global variables. We are moving all 16 to the _PyRuntimeState struct as part of the work for gh-81057.  (If PEP 684 is accepted then we will follow up by moving them all to PyInterpreterState.)

https://github.com/python/cpython/issues/81057
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Eric Snow 2022-11-11 16:30:46 -07:00 • committed by GitHub
parent 55c96e8053
commit 67807cfc87
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14 changed files with 1129 additions and 925 deletions
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10
Include/internal/pycore_runtime_init.h
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@ -9,13 +9,15 @@ extern "C" {
#endif
#include "pycore_object.h"
#include "pycore_pymem_init.h"
#include "pycore_obmalloc_init.h"
/* The static initializers defined here should only be used
in the runtime init code (in pystate.c and pylifecycle.c). */
#define _PyRuntimeState_INIT \
#define _PyRuntimeState_INIT(runtime) \
{ \
.gilstate = { \
.check_enabled = 1, \
@ -23,6 +25,12 @@ extern "C" {
in accordance with the specification. */ \
.autoTSSkey = Py_tss_NEEDS_INIT, \
}, \
.allocators = { \
_pymem_allocators_standard_INIT(runtime), \
_pymem_allocators_debug_INIT, \
_pymem_allocators_obj_arena_INIT, \
}, \
.obmalloc = _obmalloc_state_INIT(runtime.obmalloc), \
.interpreters = { \
/* This prevents interpreters from getting created \
until _PyInterpreterState_Enable() is called. */ \