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7c30d12bd5
This updates _PyErr_ChainStackItem() to use _PyErr_SetObject() instead of _PyErr_ChainExceptions(). This prevents a hang in certain circumstances because _PyErr_SetObject() performs checks to prevent cycles in the exception context chain while _PyErr_ChainExceptions() doesn't.
90 lines
2 KiB
C
90 lines
2 KiB
C
#ifndef Py_INTERNAL_PYERRORS_H
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#define Py_INTERNAL_PYERRORS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef Py_BUILD_CORE
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# error "this header requires Py_BUILD_CORE define"
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#endif
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static inline PyObject* _PyErr_Occurred(PyThreadState *tstate)
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{
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assert(tstate != NULL);
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return tstate->curexc_type;
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}
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static inline void _PyErr_ClearExcState(_PyErr_StackItem *exc_state)
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{
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PyObject *t, *v, *tb;
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t = exc_state->exc_type;
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v = exc_state->exc_value;
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tb = exc_state->exc_traceback;
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exc_state->exc_type = NULL;
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exc_state->exc_value = NULL;
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exc_state->exc_traceback = NULL;
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Py_XDECREF(t);
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Py_XDECREF(v);
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Py_XDECREF(tb);
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}
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PyAPI_FUNC(void) _PyErr_Fetch(
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PyThreadState *tstate,
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PyObject **type,
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PyObject **value,
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PyObject **traceback);
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PyAPI_FUNC(int) _PyErr_ExceptionMatches(
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PyThreadState *tstate,
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PyObject *exc);
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PyAPI_FUNC(void) _PyErr_Restore(
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PyThreadState *tstate,
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PyObject *type,
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PyObject *value,
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PyObject *traceback);
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PyAPI_FUNC(void) _PyErr_SetObject(
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PyThreadState *tstate,
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PyObject *type,
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PyObject *value);
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PyAPI_FUNC(void) _PyErr_ChainStackItem(
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_PyErr_StackItem *exc_info);
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PyAPI_FUNC(void) _PyErr_Clear(PyThreadState *tstate);
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PyAPI_FUNC(void) _PyErr_SetNone(PyThreadState *tstate, PyObject *exception);
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PyAPI_FUNC(PyObject *) _PyErr_NoMemory(PyThreadState *tstate);
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PyAPI_FUNC(void) _PyErr_SetString(
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PyThreadState *tstate,
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PyObject *exception,
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const char *string);
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PyAPI_FUNC(PyObject *) _PyErr_Format(
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PyThreadState *tstate,
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PyObject *exception,
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const char *format,
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...);
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PyAPI_FUNC(void) _PyErr_NormalizeException(
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PyThreadState *tstate,
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PyObject **exc,
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PyObject **val,
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PyObject **tb);
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PyAPI_FUNC(PyObject *) _PyErr_FormatFromCauseTstate(
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PyThreadState *tstate,
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PyObject *exception,
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const char *format,
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...);
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PyAPI_FUNC(int) _PyErr_CheckSignalsTstate(PyThreadState *tstate);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_PYERRORS_H */
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