python3.12/internal/pycore_context.h

0001 #ifndef Py_INTERNAL_CONTEXT_H
0002 #define Py_INTERNAL_CONTEXT_H
0003
0004 #ifndef Py_BUILD_CORE
0005 #  error "this header requires Py_BUILD_CORE define"
0006 #endif
0007
0008 #include "pycore_hamt.h"   /* PyHamtObject */
0009
0010
0011 extern PyTypeObject _PyContextTokenMissing_Type;
0012
0013 /* runtime lifecycle */
0014
0015 PyStatus _PyContext_Init(PyInterpreterState *);
0016 void _PyContext_Fini(PyInterpreterState *);
0017
0018
0019 /* other API */
0020
0021 typedef struct {
0022     PyObject_HEAD
0023 } _PyContextTokenMissing;
0024
0025 #ifndef WITH_FREELISTS
0026 // without freelists
0027 #  define PyContext_MAXFREELIST 0
0028 #endif
0029
0030 #ifndef PyContext_MAXFREELIST
0031 #  define PyContext_MAXFREELIST 255
0032 #endif
0033
0034 struct _Py_context_state {
0035 #if PyContext_MAXFREELIST > 0
0036     // List of free PyContext objects
0037     PyContext *freelist;
0038     int numfree;
0039 #endif
0040 };
0041
0042 struct _pycontextobject {
0043     PyObject_HEAD
0044     PyContext *ctx_prev;
0045     PyHamtObject *ctx_vars;
0046     PyObject *ctx_weakreflist;
0047     int ctx_entered;
0048 };
0049
0050
0051 struct _pycontextvarobject {
0052     PyObject_HEAD
0053     PyObject *var_name;
0054     PyObject *var_default;
0055     PyObject *var_cached;
0056     uint64_t var_cached_tsid;
0057     uint64_t var_cached_tsver;
0058     Py_hash_t var_hash;
0059 };
0060
0061
0062 struct _pycontexttokenobject {
0063     PyObject_HEAD
0064     PyContext *tok_ctx;
0065     PyContextVar *tok_var;
0066     PyObject *tok_oldval;
0067     int tok_used;
0068 };
0069
0070
0071 #endif /* !Py_INTERNAL_CONTEXT_H */