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Date:      Sun, 10 Jan 1999 14:59:57 -0500 (EST)
From:      Brian Feldman <green@unixhelp.org>
To:        Marcel Moolenaar <marcel@scc.nl>
Cc:        freebsd-emulation@FreeBSD.ORG
Subject:   Re: sendmsg() not working?!
Message-ID:  <Pine.BSF.4.05.9901101459110.13274-100000@janus.syracuse.net>
In-Reply-To: <36987FEF.1CB35E1F@scc.nl>

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On Sun, 10 Jan 1999, Marcel Moolenaar wrote:

> Brian Feldman wrote:
> 
> > There's no real extra functionality, sendmsg in linux is exactly the same,
> > binary-compatible with that of FreeBSD. When groping through the kernel to
> > find out why sendmsg() can return EINVAL, I can't seem to find a reason.
> 
> The only visible difference is the flags field the msghdr struct. Linux has
> some incompatible defines. Your test program has flags=0 though.
> 
> > I have the tarchive here, but you need to first add Linux system calls 183
> > and 184 to test it out (linux_i386_get_ldt and linux_i386_set_ldt, respectively)
> >  or you won't be able to use the LDT functions. The functions are already
> > implemented elsewhere, so it's not that hard to add them and recompile/reload
> > the Linux module. Once you add syscall 183 and 184 (183/get can just be a stub),
> > let me know and I'll find some place to slap down the (*cough* 9 megabyte)
> > tar.gz.
> 
> Sounds like a lot of unnecessary overhead. I've Oracle Application Server
> here which (as far as I can see) blocks in the sendmsg call. The only thing I
> can do at that time is killing it. I think I'll use that or use some sort of

It's not really a "test program" per se, it's WINE ;)

> special test programs (like yours) to investigate.
> If there is such a need, I can always choose to implement the LDT
> functionality and ask politely if you could slap down the archive somewhere.

Oh my, there's someone else having problems with sendmsg?

> 
> I'll keep you informed of any progress...
> 
> marcel
> 

 Brian Feldman						  _ __  ___ ___ ___  
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