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89e67ada69
This reverts commit 87be8d9.
This approach to keeping the interned strings safe is turning out to be too complex for my taste (due to obmalloc isolation). For now I'm going with the simpler solution, making the dict per-interpreter. We can revisit that later if we want a sharing solution.
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
#ifndef Py_INTERNAL_GLOBAL_OBJECTS_H
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#define Py_INTERNAL_GLOBAL_OBJECTS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef Py_BUILD_CORE
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# error "this header requires Py_BUILD_CORE define"
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#endif
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#include "pycore_gc.h" // PyGC_Head
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#include "pycore_global_strings.h" // struct _Py_global_strings
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#include "pycore_hamt.h" // PyHamtNode_Bitmap
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#include "pycore_context.h" // _PyContextTokenMissing
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#include "pycore_typeobject.h" // pytype_slotdef
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// These would be in pycore_long.h if it weren't for an include cycle.
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#define _PY_NSMALLPOSINTS 257
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#define _PY_NSMALLNEGINTS 5
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// Only immutable objects should be considered runtime-global.
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// All others must be per-interpreter.
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#define _Py_CACHED_OBJECT(NAME) \
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_PyRuntime.cached_objects.NAME
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struct _Py_cached_objects {
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PyObject *interned_strings;
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};
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#define _Py_GLOBAL_OBJECT(NAME) \
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_PyRuntime.static_objects.NAME
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#define _Py_SINGLETON(NAME) \
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_Py_GLOBAL_OBJECT(singletons.NAME)
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struct _Py_static_objects {
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struct {
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/* Small integers are preallocated in this array so that they
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* can be shared.
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* The integers that are preallocated are those in the range
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* -_PY_NSMALLNEGINTS (inclusive) to _PY_NSMALLPOSINTS (exclusive).
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*/
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PyLongObject small_ints[_PY_NSMALLNEGINTS + _PY_NSMALLPOSINTS];
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PyBytesObject bytes_empty;
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struct {
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PyBytesObject ob;
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char eos;
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} bytes_characters[256];
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struct _Py_global_strings strings;
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_PyGC_Head_UNUSED _tuple_empty_gc_not_used;
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PyTupleObject tuple_empty;
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_PyGC_Head_UNUSED _hamt_bitmap_node_empty_gc_not_used;
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PyHamtNode_Bitmap hamt_bitmap_node_empty;
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_PyContextTokenMissing context_token_missing;
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} singletons;
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};
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#define _Py_INTERP_CACHED_OBJECT(interp, NAME) \
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(interp)->cached_objects.NAME
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struct _Py_interp_cached_objects {
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/* AST */
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PyObject *str_replace_inf;
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/* object.__reduce__ */
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PyObject *objreduce;
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PyObject *type_slots_pname;
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pytype_slotdef *type_slots_ptrs[MAX_EQUIV];
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};
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#define _Py_INTERP_STATIC_OBJECT(interp, NAME) \
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(interp)->static_objects.NAME
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#define _Py_INTERP_SINGLETON(interp, NAME) \
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_Py_INTERP_STATIC_OBJECT(interp, singletons.NAME)
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struct _Py_interp_static_objects {
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struct {
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int _not_used;
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// hamt_empty is here instead of global because of its weakreflist.
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_PyGC_Head_UNUSED _hamt_empty_gc_not_used;
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PyHamtObject hamt_empty;
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PyBaseExceptionObject last_resort_memory_error;
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} singletons;
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_GLOBAL_OBJECTS_H */
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