841         if (tstate->c_tracefunc != NULL) {  in _PyEval_EvalFrameDefault()
855             if (call_trace_protected(tstate->c_tracefunc,  in _PyEval_EvalFrameDefault()
1016             tstate->c_tracefunc != NULL && !tstate->tracing) {  in _PyEval_EvalFrameDefault()
1022             err = maybe_call_line_trace(tstate->c_tracefunc,  in _PyEval_EvalFrameDefault()
1798                 if (tstate->c_tracefunc != NULL  in _PyEval_EvalFrameDefault()
1800                     call_exc_trace(tstate->c_tracefunc, tstate->c_traceobj, tstate, f);  in _PyEval_EvalFrameDefault()
2819                 else if (tstate->c_tracefunc != NULL)  in _PyEval_EvalFrameDefault()
2820                     call_exc_trace(tstate->c_tracefunc, tstate->c_traceobj, tstate, f);  in _PyEval_EvalFrameDefault()
3354         if (tstate->c_tracefunc != NULL)  in _PyEval_EvalFrameDefault()
3355             call_exc_trace(tstate->c_tracefunc, tstate->c_traceobj,  in _PyEval_EvalFrameDefault()
3462         if (tstate->c_tracefunc) {  in _PyEval_EvalFrameDefault()
3464                 if (call_trace(tstate->c_tracefunc, tstate->c_traceobj,  in _PyEval_EvalFrameDefault()
3472                 call_trace_protected(tstate->c_tracefunc, tstate->c_traceobj,  in _PyEval_EvalFrameDefault()
4253     tstate->use_tracing = ((tstate->c_tracefunc != NULL)  in call_trace()
4268     tstate->use_tracing = ((tstate->c_tracefunc != NULL)  in _PyEval_CallTracing()
4322     tstate->use_tracing = tstate->c_tracefunc != NULL;  in PyEval_SetProfile()
4327     tstate->use_tracing = (func != NULL) || (tstate->c_tracefunc != NULL);  in PyEval_SetProfile()
4335     _Py_TracingPossible += (func != NULL) - (tstate->c_tracefunc != NULL);  in PyEval_SetTrace()
4337     tstate->c_tracefunc = NULL;  in PyEval_SetTrace()
4342     tstate->c_tracefunc = func;  in PyEval_SetTrace()