static PyObject *
_channel_send_sequence(PyChannelObject *self, PyObject *v)
{
PyChannel_HeapType *t = (PyChannel_HeapType *) Py_TYPE(self);
PyObject *it;
int i;
PyObject *ret;
it = PyObject_GetIter(v);
if (it == NULL)
return NULL;
/* Run iterator to exhaustion. */
for (i = 0; ; i++) {
PyObject *item = PyIter_Next(it);
if (item == NULL) {
if (PyErr_Occurred())
goto error;
break;
}
ret = t->send(self, item);
Py_DECREF(item);
if (ret == NULL)
goto error;
Py_DECREF(ret);
}
Py_DECREF(it);
return PyLong_FromLong(i);
error:
Py_DECREF(it);
return NULL;
}
int
PyChannel_SendException(PyChannelObject *self, PyObject *klass, PyObject *args)
{
PyChannel_HeapType *t = (PyChannel_HeapType *) Py_TYPE(self);
return slp_return_wrapper(t->send_exception(self, klass, args));
}
int
PyChannel_Send(PyChannelObject *self, PyObject *arg)
{
PyChannel_HeapType *t = (PyChannel_HeapType *) Py_TYPE(self);
return slp_return_wrapper(t->send(self, arg));
}
int
PyChannel_Send(PyChannelObject *self, PyObject *arg)
{
PyChannel_HeapType *t = (PyChannel_HeapType *) self->ob_type;
return slp_return_wrapper(t->send(self, arg));
}
int
PyChannel_Send_nr(PyChannelObject *self, PyObject *arg)
{
PyChannel_HeapType *t = (PyChannel_HeapType *) Py_TYPE(self);
slp_try_stackless = slp_enable_softswitch;
return slp_return_wrapper(t->send(self, arg));
}
PyObject *
PyChannel_Receive_nr(PyChannelObject *self)
{
PyChannel_HeapType *t = (PyChannel_HeapType *) Py_TYPE(self);
PyObject *ret;
slp_try_stackless = 1;
ret = t->receive(self);
STACKLESS_ASSERT();
return ret;
}
PyObject *
channel_seq_callback(PyFrameObject *_f, int exc, PyObject *retval)
{
PyThreadState *ts;
PyCFrameObject *f = (PyCFrameObject *) _f;
PyChannelObject *ch;
PyChannel_HeapType *t;
PyObject *item;
int stage = f->n;
/* prolog to re-enter the loop */
if (stage == 1) {
item = retval;
goto back_with_data;
}
if (retval == NULL)
goto exit_frame;
Py_DECREF(retval);
retval = NULL;
if (stage == 2) {
goto back_from_send;
}
/* Run iterator to exhaustion. */
for (; ; f->i++) {
/* get the data */
STACKLESS_PROPOSE_ALL();
item = PyIter_Next(f->ob1);
if (STACKLESS_UNWINDING(item)) {
stage = f->n = 1;
return item;
}
back_with_data:
if (item == NULL) {
if (PyErr_Occurred()) {
if (PyErr_ExceptionMatches(
PyExc_StopIteration))
PyErr_Clear();
else
goto exit_frame;
}
break;
}
/* send the data */
ch = (PyChannelObject *) f->ob2;
t = (PyChannel_HeapType *) Py_TYPE(ch);
STACKLESS_PROPOSE_ALL();
retval = t->send(ch, item);
Py_DECREF(item);
if (retval == NULL)
goto exit_frame;
if (STACKLESS_UNWINDING(retval)) {
stage = f->n = 2;
return retval;
}
Py_DECREF(retval);
back_from_send:
;
}
retval = PyLong_FromLong(f->i);
exit_frame:
/* epilog to return from the frame */
ts = PyThreadState_GET();
ts->frame = f->f_back;
Py_DECREF(f);
return retval;
}
PyObject *
PyChannel_Receive(PyChannelObject *self)
{
PyChannel_HeapType *t = (PyChannel_HeapType *) Py_TYPE(self);
return t->receive(self);
}
PyObject *
PyChannel_Receive(PyChannelObject *self)
{
PyChannel_HeapType *t = (PyChannel_HeapType *) self->ob_type;
return t->receive(self);
}
