LinkTerminated without linked thread?

[John Colvin]

On Thursday, 24 January 2013 at 10:57:26 UTC, Stephan wrote:
> Hi,
>
> I am getting totally confused by Exceptions and Multi-threading 
> with std.concurrency.
> I have a simple setup:
>     - the main thread spawns several child-threads
>     - each child-thread performs a task
>     - each child-thread sends their result back to the main 
> thread and finishes.
>     - the main thread uses receiveOnly to get the message.
>
> To spawn the child-threads I use spawn, not spawnLinked. 
> Nevertheless, in all runs, at some point the program finishes 
> with an uncaught LinkTerminated exception!
> I am confused, because I thought, that LinkTerminated can only 
> happen if the child-threads are started with spawnLinked. In 
> small test programs, I don't get LinkTerminated exceptions if a 
> child thread crashes. So my first question is: Where does the 
> LinkTerminated Exception come from, when the only functions 
> from std.concurrency that I use are "spawn" and "receiveOnly".
> Thanks for any clarification!

I have had the same problem, especially when creating large 
numbers of threads (several hundred)