Subject: Re: bi-directional pipes?
To: NetBSD Kernel Technical Discussion List <>
From: Andrew Brown <>
List: tech-kern
Date: 02/04/2003 14:25:07
>> Feel free to further simplify the structures. We definitely don't
>> want to ever support bi-directional pipes. It's unncecessary
>> memory and CPU waste.
>David Laight's concern about compatability with other very widely used
>systems that support bi-directional pipes is also quite valid.

what systems?  i tried, at one point, to find one, but failed.

>In fact one of the benefits I hoped we could reap from the FreeBSD pipe
>implementation was decent high-throughput bi-directional pipes, and in
>part my hope was driven by my desire for compatability with those other
>very widely used systems.

compatibility with something as uncommon as bi-directional pipes isn't
really compatibility at all.

|-----< "CODE WARRIOR" >-----|             * "ah!  i see you have the internet (Andrew Brown)                that goes *ping*!"       * "information is power -- share the wealth."