can't share fifo between 32-bit and 64-bit Cygwins

[Marco Atzeri]

On 30/06/2014 20:04, Nellis, Kenneth wrote:
> Just thought I'd share an observation I found interesting.
> Not a problem for me, so not asking for any particular response.
>
> If I create a named pipe (mkfifo), as long as I write to and read from using
> either 32-bit Cygwin or 64-bit Cygwin, all works fine, but if I write with either
> one and read with the other, both processes hang.
>
> It doesn't seem to matter whether the fifo was created under 32-bit or
> 64-bit, the problem (if I may be so bold as to call it that) seems only with
> mixing 32-/64-bit versions doing I/O to/from it.
>
> FWIW, using 32-bit version 1.7.29-2 and 64-bit version 1.7.30-1.
>
> -Ken Nellis

Hi Ken,
why do you expect such things to work ?
You have two separate simulation layers independent from each other.
Nothing is in place to pass the data from the 32 bit layer to the 64 layer.

Regards
Marco



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