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Re: Resurrect discussion: Mixing 32 and 64 bit distro
On Feb 12 17:50, Corinna Vinschen wrote:
> On Feb 12 11:26, Christopher Faylor wrote:
> > Would it be possible to write some kind of "shim" 64-bit application
> > which "did something" to run a 32-bit Cygwin for people who can't
> > wait to have their favorite package ported to 64-bit?
>
> I'm not exactly sure what such a shim would have to cover. You don't
> see much of a problem running 32 bit Cygwin processes from 64 bit
> processes and vice versa in simple cases, But if you run a 32 bit
> process from a 64 bit tcsh running in a 64 bit mintty, the 32 bit
> process doesn't know it's running in a tty. Same goes vice versa.
> I don't know how we would fix that. Also, the paths in the environment
> are off, because they are converted to Windows and then back to POSIX,
> but on the way Cygwin's root dir has changed.
> In the first place the problem is that the processes don't use the same
> shared memory, in the second it's the missing data from the cygheap.
FTR: ...and in the third place it's the fact that the DLLs use different
object dirs in the native NT namespace.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat