Re: Object locking using ReaderWriterLock

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#581

From: Sunil.P.Thomas
Date: Fri, 13 Aug 2004 04:22

31 lines
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Hi Marc ,
    Thanks for your comment.
    I thought execution of
        string sess = _loggedUsers[usn];
    will throw an exception if multiple threads are accessing it
simultaneously while one is updating the collection and others are reading
from it.

    Thanks & Regards
            Sunil


"Marc Rohloff [TeamB]" <"on request"> wrote in message
news:guf6jqqsd06y.dlg@marcrohloff.40tude.net...
> On Thu, 12 Aug 2004 18:40:11 +0530, Sunil.P.Thomas wrote:
>
> > Hi Marc ,
> >     What will happen  if
> >              string sess = _loggedUsers[usn];
> >             &
> >             _loggedUsers.Remove(usn)  will be called simultaneously
(Which
> > is a part of RemoveUser() method).
>
> As far as I understand (and I admit to not being a multithreading
> expert) depending on the race condition 'sess' will either be null or
> the session string.
>
> --
> Marc Rohloff [TeamB]
> marc rohloff at myrealbox dot com

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Subject: Re: Object locking using ReaderWriterLock
Date: Fri, 13 Aug 2004 09:52:09 +0530
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