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python: Adding callback can fail, and refcount must be incremented.

This commit is contained in:
Martin Ling 2013-04-17 13:59:30 +01:00
parent 0220626994
commit a25932e08c
1 changed files with 11 additions and 5 deletions
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16
bindings/python/sigrok/core/lowlevel.i
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@ -54,15 +54,21 @@ void sr_datafeed_python_callback(const struct sr_dev_inst *sdi,
PyGILState_Release(gstate); PyGILState_Release(gstate);
} }
void sr_session_datafeed_python_callback_add(PyObject *cb) int sr_session_datafeed_python_callback_add(PyObject *cb)
{ {
int ret;
if (!PyCallable_Check(cb)) if (!PyCallable_Check(cb))
PyErr_SetString(PyExc_TypeError, "Object passed is not callable"); return SR_ERR_ARG;
else else {
sr_session_datafeed_callback_add( ret = sr_session_datafeed_callback_add(
sr_datafeed_python_callback, cb); sr_datafeed_python_callback, cb);
if (ret == SR_OK)
Py_XINCREF(cb);
return ret;
}
} }
%} %}
void sr_session_datafeed_python_callback_add(PyObject *cb); int sr_session_datafeed_python_callback_add(PyObject *cb);