Re: [nmh-workers] closefds() _before_ fork?

[Ralph Corderoy]

Hi Ken,

> I realize that dup2() clears the FD_CLOEXEC flag on the new file
> descriptor so the "normal" case of an opened file being dup2() down to
> 0 would work correctly, but the wrinkle is that it does NOT if the old
> and new file descriptor are the same.  That is admittedly unlikely,
> but it could happen in a few cases so I'd like to be as robust as
> possible.

Are you aware of dup3(2)?

-- 
Cheers, Ralph.