In article <20010829171922.A13110@neutralgood.org>,
Kevin P. Neal <kpneal@pobox.com> wrote:
>On Wed, Aug 29, 2001 at 09:18:28AM -0700, Louis wrote:
>> 
>>   Hi,
>> 
>> A friend and I are working on a program (currently on
>> FreeBSD) that uses the FreeBSD bidirectional pipe(2).
>> We'd like to port it on NetBSD and OpenBSD but they
>> only have unidirectional pipes.
>> Is there any remplacement mechanism fot that ?
>

as kevin implied, use socketpair(2).

christos

>Um, can you use sockets somehow? Or a pair of pipes?
>
>I'm under the impression that pipes are defined as being unidirectional
>but some systems have extended them to bidirectional. So, if you
>rely on bidirectional pipes then you have architected yourself into
>an unportable corner.
>-- 
>Kevin P. Neal                                http://www.pobox.com/~kpn/
>
>"Nonbelievers found it difficult to defend their position in \ 
>    the presense of a working computer." -- a DEC Jensen paper