X11 protocol: error handling best practices for async requests

[halfdog]

Hi,

Could someone please point me to the documentation about best practice
when dealing with asynchronous requests on client side. If I understand
[1] correctly, some requests, when successful, will not produce any
reply. Hence a client side library cannot wait on a reply or error from
the server, there might never be any.

What is the best practice for client-side implementation, when receiving
an unexpected error for such a request? Abort immediately since
connection might be out of sync? Pass it to the user side of the
client-side API via some error handler? How should user-side handle it?

hd


[1] http://www.x.org/releases/X11R7.7/doc/xproto/x11protocol.pdf

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