Shared Class Variables

[Kagamin]

sybrandy Wrote:

> Evening.
> 
> I'm having a bit of a problem and I'm hoping someone can help.  I'm 
> trying to create a class that is shared across threads.  The only 
> purpose of this class is to write data to somewhere, though currently a 
> file.  A single-threaded version of this works fine, however I can't 
> seem to get the code to work correctly when dealing with multiple 
> threads.  I've gotten sharing issues, compilation issues trying to 
> figure out how to use a shared class correctly, and currently an 
> exception occurring during class finalization.
> 
> So, my question is, what is the correct way to do this?  Would a class 
> work or would a struct be better?  Perhaps a singleton?
> 
Class methods must be marked as shared and object must be stored and passed as shared. But you still must not screw up the object's data in race condition and use proper syncronization when necessary. Marking data as shared doesn't do much - it's kinda synonym for volatile.