> I seem to have run into a strange problem.  I'm hoping one of you understand
> the inner working of the file IO better than I and could explain why I'm
> seeing what I am.  Basically, I have a log folder where I append to text
> files frequently.  Every 10 minutes or so, I check to see if the files are
> greater than a certain size and then archive them.  After archiving the
> files, I use the File.Delete function to delete each of the files.  I put
> the File.Delete in a lock section to ensure that it completes before another
> threat attempts to write to them.  The problem I'm seeing is that it seems
> like the File.Delete doesn't delete the files immediately and even though it
> is supposed to remove it from the directory tree (I think), if another
> thread attempts to append to one of these files too soon after leaving my
> lock block, the whole program locks up.  I thought of putting in a sleep
> after the deletions but I wouldn't know how long to set it for.
>
> My solution is to move the files to a sub folder first before deleting them
> but wanted to see if anyone would know why I'm having this problem in the
> first place.
>
> Thanks
>
> Jayme

"Sean Chambers" <dko***@gmail.com> wrote in message
news:1160251158.389568.11720@b28g2000cwb.googlegroups.com...
> A better way would be to rename the file first, like logfile.log.old.
>
> This way if another thread tries to write, it will recreate the file as
> the file doesn't exist, then shortly thereafter the logfile.log.old is
> deleted.
>
> Would this work?
>
> If not, try putting a 10ms sleep, then 20ms, all the way up until you
> find the correct amount of time to sleep for, although I would
> recommend against putting the thread to sleep. I don't usually use this
> method as it feels kind of clunky to me.
>
> Sean
>
> Jayme Pechan wrote:
> > I seem to have run into a strange problem.  I'm hoping one of you
understand
> > the inner working of the file IO better than I and could explain why I'm
> > seeing what I am.  Basically, I have a log folder where I append to text
> > files frequently.  Every 10 minutes or so, I check to see if the files
are
> > greater than a certain size and then archive them.  After archiving the
> > files, I use the File.Delete function to delete each of the files.  I
put
> > the File.Delete in a lock section to ensure that it completes before
another
> > threat attempts to write to them.  The problem I'm seeing is that it
seems
> > like the File.Delete doesn't delete the files immediately and even
though it
> > is supposed to remove it from the directory tree (I think), if another
> > thread attempts to append to one of these files too soon after leaving
my
> > lock block, the whole program locks up.  I thought of putting in a sleep
> > after the deletions but I wouldn't know how long to set it for.
> >
> > My solution is to move the files to a sub folder first before deleting
them
> > but wanted to see if anyone would know why I'm having this problem in
the
> > first place.
> >
> > Thanks
> >
> > Jayme
>
>