static int
_iostream_wait (struct _mu_stream *str, int *pflags, struct timeval *tvp)
{
struct _mu_iostream *sp = (struct _mu_iostream *)str;
int rc = EINVAL;
if (*pflags == MU_STREAM_READY_RD)
{
rc = mu_stream_wait (sp->transport[_MU_STREAM_INPUT], pflags, tvp);
if (rc)
sp->last_err_str = _MU_STREAM_INPUT;
}
else if (*pflags == MU_STREAM_READY_WR)
{
rc = mu_stream_wait (sp->transport[_MU_STREAM_OUTPUT], pflags, tvp);
if (rc)
sp->last_err_str = _MU_STREAM_OUTPUT;
}
return rc;
}
static PyObject *
api_stream_wait (PyObject *self, PyObject *args)
{
int status, wflags;
PyStream *py_stm;
if (!PyArg_ParseTuple (args, "O!i", &PyStreamType, &py_stm, &wflags))
return NULL;
status = mu_stream_wait (py_stm->stm, &wflags, NULL);
return _ro (PyInt_FromLong (status));
}
int
mu_pop3_carrier_is_ready (mu_stream_t carrier, int flag, int timeout)
{
struct timeval tv, *tvp = NULL;
int wflags = flag;
int status;
if (timeout >= 0)
{
tv.tv_sec = timeout / 100;
tv.tv_usec = (timeout % 1000) * 1000;
tvp = &tv;
}
status = mu_stream_wait (carrier, &wflags, tvp);
if (status)
return 0; /* FIXME: provide a way to return error code! */
return wflags & flag;
}
/* Wait TIMEOUT seconds for data on the input stream.
Returns 0 if no data available
1 if some data is available
-1 an error occurred */
int
io_wait_input (int timeout)
{
int wflags = MU_STREAM_READY_RD;
struct timeval tv;
int status;
tv.tv_sec = timeout;
tv.tv_usec = 0;
status = mu_stream_wait (iostream, &wflags, &tv);
if (status)
{
mu_diag_output (MU_DIAG_ERROR, _("cannot poll input stream: %s"),
mu_strerror(status));
return -1;
}
return wflags & MU_STREAM_READY_RD;
}
static int
_streamref_wait (struct _mu_stream *str, int *pflags, struct timeval *tvp)
{
struct _mu_streamref *sp = (struct _mu_streamref *)str;
return streamref_return (sp, mu_stream_wait (sp->transport, pflags, tvp));
}