60 struct _ts {  struct
63     struct _ts *prev;  argument
64     struct _ts *next;  argument
65     PyInterpreterState *interp;
68     PyFrameObject *frame;
69     int recursion_depth;
70     int recursion_headroom; /* Allow 50 more calls to handle any errors. */
71     int stackcheck_counter;
76     int tracing;
80     CFrame *cframe;
82     Py_tracefunc c_profilefunc;
83     Py_tracefunc c_tracefunc;
84     PyObject *c_profileobj;
85     PyObject *c_traceobj;
88     PyObject *curexc_type;
89     PyObject *curexc_value;
90     PyObject *curexc_traceback;
95     _PyErr_StackItem exc_state;
99     _PyErr_StackItem *exc_info;
101     PyObject *dict;  /* Stores per-thread state */
103     int gilstate_counter;
105     PyObject *async_exc; /* Asynchronous exception to raise */
106     unsigned long thread_id; /* Thread id where this tstate was created */
108     int trash_delete_nesting;
109     PyObject *trash_delete_later;
134     void (*on_delete)(void *);
135     void *on_delete_data;
137     int coroutine_origin_tracking_depth;
139     PyObject *async_gen_firstiter;
140     PyObject *async_gen_finalizer;
142     PyObject *context;
143     uint64_t context_ver;
146     uint64_t id;
148     CFrame root_cframe;