[nos-bbs] High CPU jnos, sockets and CHR character special files ; =)

[Bob Tenty]

it is a slip interface

KD4RAY provided you already the link for the patch by F6BVP,
so you should have it by now.

73,

Bob VE3TOK


Maiko Langelaar (ve4klm) wrote:
>
> Excellent detective work Bob !
>
> I really appreciate the effort you've put into tracing this.
>
> I just finished doing some reading on EAGAIN (and EWOULDBLOCK) and
> see the issues that you make reference too. Yeah, I guess with the
> older systems it was not a big deal, but it looks like I'll have to
> go take another look. I know where I have to look now anyways.
>
>> jnos2f4-j 1930 root    5u   CHR    3,1            2930 /dev/ttyp1
>
> What type of interface (which attach) is that TTY used in ?
>
>> While I was still digesting the FBB source code, F6FVB came up
>> already with a patch yesterday what introduced micro delays in
>> the revfrom() blocking function.
>
> If you don't mind, forward me his patch (for reference purposes).
>
> Thank you.
>
> Maiko Langelaar / VE4KLM
>
>