This commit is contained in:
ton
2024-10-07 10:13:40 +07:00
parent aa1631742f
commit 3a7d696db6
9729 changed files with 1832837 additions and 161742 deletions

View File

@@ -39,6 +39,32 @@ struct _Py_long_state {
int max_str_digits;
};
/* cross-interpreter data registry */
/* For now we use a global registry of shareable classes. An
alternative would be to add a tp_* slot for a class's
crossinterpdatafunc. It would be simpler and more efficient. */
struct _xidregitem;
struct _xidregitem {
struct _xidregitem *prev;
struct _xidregitem *next;
/* This can be a dangling pointer, but only if weakref is set. */
PyTypeObject *cls;
/* This is NULL for builtin types. */
PyObject *weakref;
size_t refcount;
crossinterpdatafunc getdata;
};
struct _xidregistry {
PyThread_type_lock mutex;
struct _xidregitem *head;
};
/* interpreter state */
/* PyInterpreterState holds the global state for one of the runtime's
@@ -194,6 +220,14 @@ struct _is {
struct _Py_interp_cached_objects cached_objects;
struct _Py_interp_static_objects static_objects;
// XXX Remove this field once we have a tp_* slot.
struct _xidregistry xidregistry;
/* The thread currently executing in the __main__ module, if any. */
PyThreadState *threads_main;
/* The ID of the OS thread in which we are finalizing.
We use _Py_atomic_address instead of adding a new _Py_atomic_ulong. */
_Py_atomic_address _finalizing_id;
/* the initial PyInterpreterState.threads.head */
PyThreadState _initial_thread;
};
@@ -209,27 +243,26 @@ _PyInterpreterState_GetFinalizing(PyInterpreterState *interp) {
return (PyThreadState*)_Py_atomic_load_relaxed(&interp->_finalizing);
}
static inline unsigned long
_PyInterpreterState_GetFinalizingID(PyInterpreterState *interp) {
return (unsigned long)_Py_atomic_load_relaxed(&interp->_finalizing_id);
}
static inline void
_PyInterpreterState_SetFinalizing(PyInterpreterState *interp, PyThreadState *tstate) {
_Py_atomic_store_relaxed(&interp->_finalizing, (uintptr_t)tstate);
if (tstate == NULL) {
_Py_atomic_store_relaxed(&interp->_finalizing_id, 0);
}
else {
// XXX Re-enable this assert once gh-109860 is fixed.
//assert(tstate->thread_id == PyThread_get_thread_ident());
_Py_atomic_store_relaxed(&interp->_finalizing_id,
(uintptr_t)tstate->thread_id);
}
}
/* cross-interpreter data registry */
/* For now we use a global registry of shareable classes. An
alternative would be to add a tp_* slot for a class's
crossinterpdatafunc. It would be simpler and more efficient. */
struct _xidregitem;
struct _xidregitem {
struct _xidregitem *prev;
struct _xidregitem *next;
PyObject *cls; // weakref to a PyTypeObject
crossinterpdatafunc getdata;
};
PyAPI_FUNC(PyInterpreterState*) _PyInterpreterState_LookUpID(int64_t);
PyAPI_FUNC(int) _PyInterpreterState_IDInitref(PyInterpreterState *);