Multiple Threads - I/O in Same File

[James Matthews]

You may have some issues with disk reading as the drive heads move in
different ways

On Mon, Nov 21, 2011 at 8:15 AM, <Nikunj.Badjatya at emc.com> wrote:

> Hi All,****
>
> ** **
>
> Just a question in general.  Is it possible that we have opened one file
> in r+ mode ( file1.txt ). ****
>
> We have 2 threads, ****
>
> **·         **Thread1 will continuously ‘only read’ the file in a loop. **
> **
>
> **·         **Thread2 will only update the data in the file ( say a
> number < 100 ). ****
>
> Now thread2 has called other script ( written in say Perl/Powershell using
> subprocess.call() ) and those scripts are inturn updating ( only writing )
> into that file by their own file i/o mechanism.****
>
> ** **
>
> Is it possible by any chance? One file being shared between different
> processes one is only updating and other is only reading ..? Will this work
> in practical and what can be the complications ?****
>
> ** **
>
> ** **
>
> Thanks****
>
> Nikunj****
>
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>
>


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