Robin Burchell a8864dc590 Kernel: Report EAGAIN from read() on a non-blocking socket if the buffer is empty ...

This is not EOF, and never should have been so -- can trip up other code
when porting.

Also updates LibGUI and WindowServer which both relied on the old
behaviour (and didn't work without changes). There may be others, but I
didn't run into them with a quick inspection.

2019-05-20 01:31:28 +02:00

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