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x11: Ensure flush() Flushes all output stream data

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This seemed to work under the assumption that a flush() call can
only result in one INCR roundtrip. This is evidently not true, so
we should hold things off until all pending data is actually flushed.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1198

(cherry picked from commit 8a2b82897d)
This commit is contained in:
Carlos Garnacho 2020-04-11 16:59:17 +02:00 committed by Robert Mader
parent 7ec0a9dd68
commit 51b65b98f5
1 changed files with 8 additions and 4 deletions
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12
src/x11/meta-x11-selection-output-stream.c
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@ -288,12 +288,17 @@ meta_x11_selection_output_stream_invoke_flush (gpointer data)
{ {
MetaX11SelectionOutputStream *stream = MetaX11SelectionOutputStream *stream =
META_X11_SELECTION_OUTPUT_STREAM (data); META_X11_SELECTION_OUTPUT_STREAM (data);
MetaX11SelectionOutputStreamPrivate *priv =
meta_x11_selection_output_stream_get_instance_private (stream);
if (meta_x11_selection_output_stream_needs_flush (stream) && if (meta_x11_selection_output_stream_needs_flush (stream) &&
meta_x11_selection_output_stream_can_flush (stream)) meta_x11_selection_output_stream_can_flush (stream))
meta_x11_selection_output_stream_perform_flush (stream); meta_x11_selection_output_stream_perform_flush (stream);
return G_SOURCE_REMOVE; if (priv->delete_pending || priv->data->len > 0)
return G_SOURCE_CONTINUE;
else
return G_SOURCE_REMOVE;
} }
static gssize static gssize
@ -473,10 +478,9 @@ meta_x11_selection_output_stream_flush_async (GOutputStream *output_stream
} }
} }
g_assert (priv->pending_task == NULL);
priv->pending_task = task;
meta_x11_selection_output_stream_perform_flush (stream); meta_x11_selection_output_stream_perform_flush (stream);
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
} }
static gboolean static gboolean