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bpo-45953: Statically initialize the small ints. #30092

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Merged
ericsnowcurrently merged 12 commits into from
Dec 14, 2021
Merged

bpo-45953: Statically initialize the small ints. #30092

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0d9794a
Add struct _Py_global_objects.
ericsnowcurrently Dec 8, 2021
3b0abc9
Add _Py_global_objects.singletons.
ericsnowcurrently Dec 10, 2021
c5e5702
Add _Py_global_objects_reset().
ericsnowcurrently Dec 13, 2021
1432a35
Move the small ints to _Py_global_objects.
ericsnowcurrently Dec 8, 2021
e7d41f2
Drop an unneeded include.
ericsnowcurrently Dec 13, 2021
fca595b
Move a build-time check to the right file.
ericsnowcurrently Dec 13, 2021
8f10ad0
Statically initialize the small ints.
ericsnowcurrently Dec 13, 2021
564a77c
Fix a comment.
ericsnowcurrently Dec 13, 2021
9959c5a
Clean up the initializer.
ericsnowcurrently Dec 13, 2021
c4c85e7
Separate the global objects from the type-specific helpers.
ericsnowcurrently Dec 13, 2021
c017103
Separate the int helpers.
ericsnowcurrently Dec 13, 2021
f2821bd
Do not clear _PyRuntime.global_objects in _PyRuntimeState_reset().
ericsnowcurrently Dec 14, 2021
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Move a build-time check to the right file.
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@ericsnowcurrently
ericsnowcurrently committed Dec 13, 2021
commit fca595b4374738b277a9cd19c398254112b74da7
4 changes: 0 additions & 4 deletions Include/internal/pycore_global_objects.h
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Expand Up @@ -12,10 +12,6 @@ extern "C" {
#define _PY_NSMALLPOSINTS 257
#define _PY_NSMALLNEGINTS 5

// _PyLong_GetZero() and _PyLong_GetOne() must always be available
#if _PY_NSMALLPOSINTS < 2
# error "_PY_NSMALLPOSINTS must be greater than 1"
#endif


// Only immutable objects should be considered runtime-global.
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5 changes: 5 additions & 0 deletions Include/internal/pycore_long.h
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Expand Up @@ -22,6 +22,11 @@ extern PyStatus _PyLong_InitTypes(PyInterpreterState *);

#define _PyLong_SMALL_INTS _Py_SINGLETON(small_ints)

// _PyLong_GetZero() and _PyLong_GetOne() must always be available
#if _PY_NSMALLPOSINTS < 2
# error "_PY_NSMALLPOSINTS must be greater than 1"
#endif

// Return a borrowed reference to the zero singleton.
// The function cannot return NULL.
static inline PyObject* _PyLong_GetZero(void)
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