On Tue, Aug 16, 2005 at 04:07:04AM -0400, Scott Schwartz wrote:
> | Is this a terrible idea? (I'm trying to address the lack of technical
> | discussion mentioned an earlier note :0)
>
> In my humble opinion, the better solution is to have dial return
> a pair of descriptors (and change the rest of the system to have
> e.g. /net/tcp/9/data{0,1}), so you can close the one you want.
>
> But maybe it's too late for that, and changing close is the only way.
I fancied having a 'split' call that would act a bit like a collision
between dup and pipe; it would return 2 fds - a read only and a write
only. So one could then do:
int bidir_fd;
int unidir_fds[2];
split(bidir_fd, unidir_fds);
close(bidir_fd);
/* Use unidir_fd[0] and unidir_fd[1] */
DF