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From Dean Gaudet <>
Subject Re: simple mmap() question
Date Sat, 22 Nov 1997 22:21:11 GMT
No, /dev/zero is a special case for mmap().  It is shared only via
filehandle or process memory inheritance.  But I can't find a reference in
the Single UNIX Specification which states this.


On Sat, 22 Nov 1997, Igor Tatarinov wrote:

> Hi, I have a simple question: does
> mmap(/dev/zero, RW, SHARED)
> imply that any UNIX process will be able to do the same and corrupt the
> contents of the resulting shared memory.
> In other words, if I install and run two apaches on the same SUN box
> will they screw up each others scoreboards?
> thanks,
> igor

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