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Massive changes for separate thread state management.

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All per-thread globals are moved into a struct which is manipulated
separately.
This commit is contained in:
Guido van Rossum 1997-05-05 20:56:21 +00:00
parent 73237c54b4
commit a027efa5bf
15 changed files with 865 additions and 262 deletions
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36
Python/traceback.c
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@ -117,42 +117,18 @@ newtracebackobject(next, frame, lasti, lineno)
return tb;
}
static tracebackobject *tb_current = NULL;
int
PyTraceBack_Here(frame)
PyFrameObject *frame;
{
tracebackobject *tb;
tb = newtracebackobject(tb_current, frame,
frame->f_lasti, frame->f_lineno);
PyThreadState *tstate = frame->f_tstate;
tracebackobject *oldtb = (tracebackobject *) tstate->curexc_traceback;
tracebackobject *tb = newtracebackobject(oldtb,
frame, frame->f_lasti, frame->f_lineno);
if (tb == NULL)
return -1;
Py_XDECREF(tb_current);
tb_current = tb;
return 0;
}
PyObject *
PyTraceBack_Fetch()
{
PyObject *v;
v = (PyObject *)tb_current;
tb_current = NULL;
return v;
}
int
PyTraceBack_Store(v)
PyObject *v;
{
if (v != NULL && !is_tracebackobject(v)) {
PyErr_BadInternalCall();
return -1;
}
Py_XDECREF(tb_current);
Py_XINCREF(v);
tb_current = (tracebackobject *)v;
tstate->curexc_traceback = (PyObject *)tb;
Py_XDECREF(oldtb);
return 0;
}