Subj : Re: Challenge: Multithreading & Synchronization
To   : comp.programming.threads
From : David Schwartz
Date : Fri May 20 2005 08:35 pm


"Uenal Mutlu" <520001085531-0001@t-online.de> wrote in message 
news:d6m0di$kjr$01$1@news.t-online.com...

> Wrong. All the effort is because it IS shared! If yo don't see it then I'm 
> sorry for you:
>
> thread1:
>  sets the shared condition variable.
>
> thread2:
>  sets the shared condition variable.
>
> thread3:
>   waits for the shared condition variable to have a specific value.
>
> Do you now understand that it is shared by multiple threads?
> The variable could also be set to any other value but just the 0 and 1.

    Show me in code how you wait for a condition variable without unsharing 
it. By "unsharing it", I mean making it no longer shared in the CPU's cache.

    DS

.