cpython/Include/internal/pycore_context.h

77 lines
1.4 KiB
C

#ifndef Py_INTERNAL_CONTEXT_H
#define Py_INTERNAL_CONTEXT_H
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include "pycore_hamt.h" // PyHamtObject
extern PyTypeObject _PyContextTokenMissing_Type;
/* runtime lifecycle */
PyStatus _PyContext_Init(PyInterpreterState *);
void _PyContext_Fini(PyInterpreterState *);
/* other API */
typedef struct {
PyObject_HEAD
} _PyContextTokenMissing;
#ifndef WITH_FREELISTS
// without freelists
# define PyContext_MAXFREELIST 0
#endif
#ifndef PyContext_MAXFREELIST
# define PyContext_MAXFREELIST 255
#endif
struct _Py_context_state {
#if PyContext_MAXFREELIST > 0
// List of free PyContext objects
PyContext *freelist;
int numfree;
#endif
};
struct _pycontextobject {
PyObject_HEAD
PyContext *ctx_prev;
PyHamtObject *ctx_vars;
PyObject *ctx_weakreflist;
int ctx_entered;
};
struct _pycontextvarobject {
PyObject_HEAD
PyObject *var_name;
PyObject *var_default;
PyObject *var_cached;
uint64_t var_cached_tsid;
uint64_t var_cached_tsver;
Py_hash_t var_hash;
};
struct _pycontexttokenobject {
PyObject_HEAD
PyContext *tok_ctx;
PyContextVar *tok_var;
PyObject *tok_oldval;
int tok_used;
};
// _testinternalcapi.hamt() used by tests.
// Export for '_testcapi' shared extension
PyAPI_FUNC(PyObject*) _PyContext_NewHamtForTests(void);
#endif /* !Py_INTERNAL_CONTEXT_H */