set TCP PUSH option on socket?

[Corrado Santoro]

Gaspar Chilingarov wrote:
> there is PUSH option in tcp which forces OS write packet to network as 
> fast as possible after user called write function -- this is not the 
> same as TCP_NODELAY -- which ... well , this is a quote from RFC :)
> 
>   A sending TCP is allowed to collect data from the sending user and to
>   send that data in segments at its own convenience, until the push
>   function is signaled, then it must send all unsent data.  When a
>   receiving TCP sees the PUSH flag, it must not wait for more data from
>   the sending TCP before passing the data to the receiving process.

In the BSD socket library the PUSH flag is not an option but it is 
automatically handled by the kernels of sender and receiver machines. 
Why do you want to control it?

--Corrado

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