Hello

Can some body provide a sample code which uses mmap I/O to pass messages
from from child process to parent

thanks

Tejas Kokje

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In article <pan.2004.07.27.20.24.49.31497@usc.edu>,
Tejas Arun Kokje <kokje@usc.edu> wrote:

> Hello
>
> Can some body provide a sample code which uses mmap I/O to pass messages
> from from child process to parent

You do it the same way as you would if they weren't related at all.  If
two processes mmap() the same file, what one process writes to the
memory region will be seen by the other.

--
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***

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On Wed, 28 Jul 2004 01:12:33 -0400 Barry Margolin <barmar@alum.mit.edu> wrote:
> In article <pan.2004.07.27.20.24.49.31497@usc.edu>,
>  Tejas Arun Kokje <kokje@usc.edu> wrote:
> 
>
> You do it the same way as you would if they weren't related at all.  If
> two processes mmap() the same file, what one process writes to the
> memory region will be seen by the other.

For MAP_SHARED.

/fc

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