[dmd-concurrency] draft 4

[Andrei Alexandrescu]

Yah, it was mentioned and fixed. Thanks.

Andrei

Kevin Bealer wrote:
> In this line from 'main()', I think 'message' here is a cut n' paste 
> stowaway?
> 
> writeln("Main thread: ", message, i);
> 
> Kevin
> 
> On Tue, Jan 12, 2010 at 3:45 AM, Andrei Alexandrescu <andrei at erdani.com 
> <mailto:andrei at erdani.com>> wrote:
> 
>     To be found at the usual location:
> 
>     http://erdani.com/d/fragment.preview.pdf
> 
>     I didn't add a lot of text this time around but I do have a full
>     example of communicating threads. Skip to the last section for
>     explanation. I paste the code below. I think it looks pretty darn
>     cool. Sean, please let me know if it floats your boat.
> 
>     import std.concurrency, std.stdio;
> 
>     void main() {
>       auto low = 0, high = 1000;
>       auto tid = spawn(&fun);
>       foreach (i; low .. high) {
>          writeln("Main thread: ", message, i);
>          tid.send(thisTid, i);
>          enforce(receiveOnly!Tid() == tid);
>       }
>       // Signal the other thread
>       tid.send(Tid(), 0);
>     }
> 
>     void fun() {
>       for (;;) {
>          auto msg = receiveOnly!(Tid, int)();
>          if (!msg[0]) return;
>          writeln("Secondary thread: ", msg[1]);
>          msg[0].send(thisTid);
>       }
>     }
> 
> 
>     Andrei
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> 
> 
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