Reports an error in an idle function. Similar to g_simple_async_report_gerror_in_idle(), but takes over the caller's ownership of @error, so the caller does not have to free it any more.
a #GObject, or %NULL
a #GAsyncReadyCallback.
user data passed to @callback.
the #GError to report
Deprecated: Use g_task_report_error().
2.28
See Implementation
Reports an error in an idle function. Similar to g_simple_async_report_gerror_in_idle(), but takes over the caller's ownership of @error, so the caller does not have to free it any more.