Looking for something to work on...

Christopher Faylor cgf@redhat.com
Mon Apr 23 17:31:00 GMT 2001

On Tue, Apr 24, 2001 at 10:20:10AM +1000, Robert Collins wrote:
>> I guess we should move this discussion to cygwin-developers...
>> John was asking for something interesting to do.  He suggested POSIX
>> IPC stuff, which I (possibly erroneously) assumed was the same as what
>> cygipc provided.
>It is. See http://www.opengroup.org/onlinepubs/7908799/xsh/ipc.html -
>it's essential sysV IPC. To some extent these are equivalent to mmap and
>the like, but I don't think mmap is cross process-persistent in cygwin
>(And I don't know if it's meant to be). We could of course implement shm
>with disk backing not VM backing, but that might cause issues with Gb
>allocs :]

I could actually donate some Windows code that I wrote a few years ago
to emulate sys v semaphores.  It wasn't complete but it might be useful
as either a starting point or a laughing point.


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