On Do, 2012-05-24 at 13:46 +0200,
tobias.lan...@informatik.stud.uni-erlangen.de wrote:
> Hi dear List,
>
> I'm pretty new to X10, so please excuse if I have some errors in my
> understanding of it.
>
> I'm trying to do some message logging in the X10 Runtime that exceed the
> features already implemented in Runtime.x10.
> Therefore I implemented a own Logger class in X10 (the Logger works as a
> Singleton object) and put it into the src-x10/x10/lang folder.
> It basically works like that:
>
> public class Logger {
> ...
> private static logger = new Logger();
> public static def getInstance() = logger;
> ...
> var msgSent: Int = 0;
> public def newMsg()
> {
> msgSent++;
> }
> ...
> }
>
> Whenever now a message is sent in the method run_async_at of the file
> src-cpp/x10aux/network.cc/h, the method newMsg() is called.
> My problem here is: After the call of the function newMsg the value of
> msgSent is reset to it's initialized value (I already tried instead of
> initializing it with 0 to initialize it with 4...) and I can't imagine
> why.
I guess due to the copy semantics of at (ยง13.3.2), your are working on a
copy.
Best regards,
Sebastian
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