We currently only signal eof for consume() users. If one is calling
read_exactly, eof will never be signalled.
This might make some sense in continuous streams, but specially when
dealing with files, eof is a natural part of line that can and will
happen all the time. Every "read-until-finish" file-loop will at some
point rely on eof.
Signed-off-by: Glauber Costa <glommer@cloudius-systems.com>
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