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Move exc state to generator. Fixes bpo-25612 (#1773)

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Move exception state information from frame objects to coroutine (generator/thread) object where it belongs.
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Mark Shannon 2017-10-22 22:41:51 +01:00 • committed by Antoine Pitrou
parent 91dc64ba3f
commit ae3087c638
13 changed files with 188 additions and 164 deletions
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21
Python/pystate.c
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@ -257,9 +257,11 @@ new_threadstate(PyInterpreterState *interp, int init)
tstate->curexc_value = NULL;
tstate->curexc_traceback = NULL;
tstate->exc_type = NULL;
tstate->exc_value = NULL;
tstate->exc_traceback = NULL;
tstate->exc_state.exc_type = NULL;
tstate->exc_state.exc_value = NULL;
tstate->exc_state.exc_traceback = NULL;
tstate->exc_state.previous_item = NULL;
tstate->exc_info = &tstate->exc_state;
tstate->c_profilefunc = NULL;
tstate->c_tracefunc = NULL;
@ -444,9 +446,16 @@ PyThreadState_Clear(PyThreadState *tstate)
Py_CLEAR(tstate->curexc_value);
Py_CLEAR(tstate->curexc_traceback);
Py_CLEAR(tstate->exc_type);
Py_CLEAR(tstate->exc_value);
Py_CLEAR(tstate->exc_traceback);
Py_CLEAR(tstate->exc_state.exc_type);
Py_CLEAR(tstate->exc_state.exc_value);
Py_CLEAR(tstate->exc_state.exc_traceback);
/* The stack of exception states should contain just this thread. */
assert(tstate->exc_info->previous_item == NULL);
if (Py_VerboseFlag && tstate->exc_info != &tstate->exc_state) {
fprintf(stderr,
"PyThreadState_Clear: warning: thread still has a generator\n");
}
tstate->c_profilefunc = NULL;
tstate->c_tracefunc = NULL;