This is the function type of the callback used for the #GSource returned by g_pollable_input_stream_create_source() and g_pollable_output_stream_create_source().
it should return %FALSE if the source should be removed.
2.28
See Implementation
This is the function type of the callback used for the #GSource returned by g_pollable_input_stream_create_source() and g_pollable_output_stream_create_source().