[RFC][PATCH] new-ui command under windows using NamedPipe

[LABARTHE Guillaume <guillaume dot labarthe at gmail dot com>]

Hello,

I am currently working on a front-end for gdb on windows, and trying
to use the new-ui command passing as tty name the name of a named pipe
without luck.

Then I decided to dig into it so I cloned gdb's repo and started
debugging. After some investigation I found out that the problem was
that the function new_ui_command in top.c opens the same tty three
times (for stdin, sdout and stderr). With windows named pipes the
second and third calls to open fail. I then patched the function to
open the file only once and pass the same stream for stdin stdout and
stderr and that made it work.

I don't know the implication of my patch on other operating systems or
what would be the way to make it specific to windows.

Can you please advise on the best way to make this patch portable.
You will find in the attachments my patch so far.

Best regards

Attachment: 0001-First-fix-for-using-named-pipes-on-windows.patch
Description: Binary data