main: set names for main loop sources created

The main loop creates two generic sources for the AIO
and IO handler systems.
Acked-by: NPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

main-loop.c

@@ -161,9 +161,11 @@ int qemu_init_main_loop(Error **errp)
     qemu_notify_bh = qemu_bh_new(notify_event_cb, NULL);
     gpollfds = g_array_new(FALSE, FALSE, sizeof(GPollFD));
     src = aio_get_g_source(qemu_aio_context);
+    g_source_set_name(src, "aio-context");
     g_source_attach(src, NULL);
     g_source_unref(src);
     src = iohandler_get_g_source();
+    g_source_set_name(src, "io-handler");
     g_source_attach(src, NULL);
     g_source_unref(src);
     return 0;