Re: [uml-devel] Re: [uml-user] UNIX socket networking

[Patrick Kilian <petschge@gmx.de>]

Hi all,

> You refer to bind in the guest, right? Well, you call the
> socket->ops->bind, while you should probably at least call sys_bind.
Ok. I'll give it a try.

> Your kernel thread is simply a process running in kernel mode - so
> instead of calling bind(), you just call sys_bind() skipping some
> useless code (int 0x80, userspace/kernelspace transition and so on).
> But you cannot, in general, skip anything else unless you have a
> reason to do so.
I didn't know what the exact difference between bind(), sys_bind() and 
sockert->ops->bind() was.

> Probably, the same reasoning applies to a lot of other code - why
> sock_create instead of sys_socket, why sock_recvmsg  ... and so on.
> Please, at least change both sys_socket and sys_bind before asking
> again.
Ok the next version will be updated.

> I *do not* understand how ENOENT is actually returned, but probably
> something that normally fails for a missing file failed for the lack
> of coherency.
Yeah that could be the reason.

>> Most of the above code should probably be edited with rm
> What is that? Indentation cleanup?
rm as in "man 1 rm". 

>> , but you wanted to have my results so far. Now go and find a brown
>> paper bag.
> No, do not - seeing the code is very useful indeed.
If you say so...
I'll give you sugestions a try and be back in some days with Yet Another 
Version of my code.

mfg,
Patrick "Petschge" Kilian


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