Hello!

> Doing PUSH from setsockopt(TCP_CORK) looked obviously wrong because it isn't
> setting any socket state,

? 8)


> and also because the SIOCPUSH has nothing specific
> with TCP_CORK, as said it can be useful also to flush the last fragment of data
> pending in the send queue without having to wait all the unacknowledged data to
> be acknowledged from the receiver when TCP_NODELAY isn't set.

Andrea, TCP_CORK and TCP_NODELAY is _one_ option, which was split to two
mostly due to historical reasons. Its real name is TCP_CONTROL_NAGLING
or something sort of this, only readable. 8)


> Changing the semantics of setsockopt(TCP_CORK, 2) would also break backwards
> compatibility with all 2.[24].x kernels out there.

2nd ? 8)

Alexey
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