[Patch] Fixing the PROCESS_DUP_HANDLE security hole.

[Pierre A. Humblet]

Christopher Faylor wrote:
> 
> With the current CVS, I am seeing the same (suboptimal) behavior on
> Windows Me that I do in 1.5.12.
>
> If I type a bunch of "sleep 60&" at the command line, then "bash" won't
> exit until the last sleep 60 has terminated.  I can't explain why this
> is.  It doesn't work that way on XP, of course.
> 
> While "bash" is waiting, I see no sign of it in the process table so
> it's odd behavior.

1.5.12, the current official release? I have never observed it there.
Also my recollection is that the delay was not necessarily equal
to the sleep duration.

> The current CVS should work better with exim now, though.

Are you done with the changes? I will try a snapshot and look at the
code in the coming days. Not much free time currently.

Pierre