Re: Migshm consistency

On Mon, 14 Nov 2005, Adrian wrote:

> Hi there,
>
> I am playing around with the migshm-patch: I wrote a c++ program that does a 
> big matrix-multiplication, where the result is written into a shared memory 
> region by child processes. On a single machine, the program works just fine, 
> wheras on the cluster when I read out the shared memory, I get only a parts 
> of the result.
>
> Is it possible, that the memory is not flushed back after a semop()? To make 
> sure I don't miss anything there, I copied the semop() calls from the 
> shm_test.c example in the testing suite. --> Without success... Then I looked 
> for the flush() system call (mentioned here: 
> http://opensource.codito.com/migshm/assumptions.php) but wasn't able to 
> figure out, where it is defined. Does someone know it?


  in linux-2.4.26-2/mig-shm/sync.c


>
> I'm using migshm-2.4.26-2.
>
> Thanks,
> Adrian
>
>
>
>
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