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... notion of closing a full-duplex connection is subject to ambiguous
interpretation, of course, since it may not be obvious how to treat
the receiving ...
... or the timeout had been exceeded. However, this simple method
is both subject to deadlocks (for example, both sides of the
connection might try to do SENDs before doing any RECEIVEs) and
...
... calling program until either the buffer was filled, or some
error occurred, but this scheme is highly subject to deadlocks.
A more sophisticated implementation would permit several
RECEIVEs to be outstanding at once. These would be filled as
...