Tom Lane writes:
> Pete Forman wrote:
> > The basic problem is that <netinet/tcp.h> is a BSD header. The
> > correct header for TCP internals such as TCP_NODELAY on a UNIX
> > system is <xti.h>. By UNIX I mean UNIX95 (aka XPG4v2 or SUSv1)
> > or later. The 2 files which conditionally include
> > <netinet/tcp.h> need also to conditionally include <xti.h>.
I've done bit more research. <xti.h> was the correct place to find
TCP_NODELAY in UNIX98/SUSv2. However in the Austin Group draft of the
next version of POSIX and UNIX0x/SUSv3, XTI has been dropped and
<netinet/tcp.h> officially included.
> I have never heard of <xti.h> before and am rather dubious that it
> should be considered more standard than <tcp.h>. However, if we
> are going to include it then it evidently must be *mutually
> exclusive* with including <tcp.h>. The $64 question is, which one
> ought to be included when both are available? I'd tend to go for
> <tcp.h> on the grounds of "don't fix what wasn't broken".
> Actually, given your description of the problem, I'm half inclined
> to revert the whole patch and instead make configure's test for
> availability of <netinet/tcp.h> first include <netinet/in.h>, so
> that that configure test will succeed on IRIX etc. Do you know any
> platforms where <tcp.h> doesn't exist at all?
I agree with this. Back out the patch and update configure.in. I
might have done that myself but I do not have enough experience with
The only platform I know of without <netinet/tcp.h> is Cygwin B20.1.
There is a workaround in place for that. The current Cygwin 1.1 does
have the header.
Pete Forman -./\.- Disclaimer: This post is originated
Western Geophysical -./\.- by myself and does not represent
pete(dot)forman(at)westgeo(dot)com -./\.- the opinion of Baker Hughes or
http://www.crosswinds.net/~petef -./\.- its divisions.
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