Re: setsockopt(SOL_SOCKET, SO_SNDBUF) broken on 2.4.18?
Ton Hospel (linux-kernel@ton.iguana.be)
Tue, 26 Feb 2002 00:11:30 +0000 (UTC)
In article <E16_Tly-0006Va-00@the-village.bc.nu>,
Alan Cox <alan@lxorguk.ukuu.org.uk> writes:
>> to verify what the kernel has set, I read TWICE as much the amount used
>> for the set. That is, if I set 8192, I read 16384. Therefore, to set
>> the correct size, I need to half the parameter first.
>> Is this a known bug? Is it setsockopt or getsockopt which returns the
>> wrong size?
>
> Neither. You asked for 8K the kernel allows a bit more for BSD compatibility
> and other things. You query and it gives back the size it chose
it's still insane it doesn't use the same fudge factor in both directions.
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