file write collision consideration

[D'Arcy J.M. Cain]

On Tue, 20 Jan 2009 10:57:52 -0500
RGK <blank at empty.blank> wrote:
> I have a thread that is off reading things some of which will get 
> written into a file while another UI thread manages input from a user.
> 
> The reader-thread and the UI-thread will both want to write stuff to the 
> same output file. What first comes to mind is that there may be write 
> collisions, ie both trying to write at the same time.

Why not create a third thread that handles the write?  The other
threads can simply add objects to a queue.  You will still need
collision handling in the queue adder but it only needs to block for a
small time as opposed to the much longer disk write time.

-- 
D'Arcy J.M. Cain <darcy at druid.net>         |  Democracy is three wolves
http://www.druid.net/darcy/                |  and a sheep voting on
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