Andreas Kling 288e97a206 WindowServer+LibGUI: Wait for the extra_data to arrive. ...

Since the sockets we use are non-blocking, just slap a select before the
second call to read(). This fixes some flakiness seen under load.

This should eventually work a bit differently, we could use recv() once
it has MSG_WAITALL, and we should not let WindowServer handle all the
client connections on the main thread. But for now, this works.

Fixes #24.

2019-05-01 18:28:33 +02:00

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