How large is the max. peek ahead for SOCK_STREAM?
How large is the max. peek ahead for Unix pipes?
How large is the max. peek ahead for Unix FIFO?
Olga
2010/3/8 Anders Persson <anders.persson at sun.com>:
> On Mon, Mar 08, 2010 at 09:33:20PM +0100, ????? ???????????? wrote:
>> What is the maximum amount of bytes an application can peek ahead on
>> pipes and sockets?
>
> For sockets that depends on whether you are dealing with SOCK_DGRAM or
> SOCK_STREAM. For dgram you can only peek into a single datagram, while
> on stream sockets you can peek into the whole socket buffer (assuming
> your are not using urgent data. If you are, then you wont be able to
> peek beyond the urgent mark).
>
> -- Anders
>
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