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When using fixed size connection buffers, if either the client or the server is sending requests faster than the other end can cope with, the connection buffers will fill up, eventually killing the connection. This can be a problem for example with Xwayland mapping a lot of windows, faster than the Wayland compositor can cope with, or a high-rate mouse flooding the Wayland client with pointer events. To avoid the issue, resize the connection buffers dynamically when they get full. Both data and fd buffers are resized on demand. The default max buffer size is controlled via the wl_display interface while each client's connection buffer size is adjustable for finer control. The purpose is to explicitly have larger connection buffers for specific clients such as Xwayland, or set a larger buffer size for the client with pointer focus to deal with a higher input events rate. v0: Manuel: Dynamically resize connection buffers - Both data and fd buffers a...