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Subject: RE: Looking for something to work on...
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Date: Tue, 24 Apr 2001 10:24:13 +1000
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Thread-Topic: Looking for something to work on...
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From: "Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
To: <cygwin-developers AT cygwin DOT com>
Cc: "John Fortin" <fortinj AT attglobal DOT net>
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> -----Original Message-----
> From: Christopher Faylor [mailto:cgf AT redhat DOT com]
> Sent: Tuesday, April 24, 2001 10:32 AM
> To: Robert Collins
> Cc: John Fortin; cygwin-developers AT cygwin DOT com
> Subject: Re: Looking for something to work on...
> 
> 
> 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.

Thanks. And then there were 2.

Rob

> 
> cgf
>