Strange bug in std.concurrency.spawn

[David Nadlinger]

This is a DMD bug, and fixed in the pending pull request 91: 
https://github.com/D-Programming-Language/dmd/pull/91

David


On 4/5/11 6:19 AM, Jose Armando Garcia wrote:
> dmd can compile and run to follow the code:
>
> unittest
> {
>     spawn(&fun);
> }
>
> void fun(int i) { writeln(i); }
>
> Which if you are lucky segfaults and if you are unlucky prints
> garbage! The problem is that spawn doesn't checks that the signature
> of fun matches the number and type of variadic arguments. Is this a
> bug in spawn(), a bug in dmd or a limitation of the language?
>
> * If it is a bug in spawn, how can it be augmented to check this case?
> * If this is a bug in dmd, I'll file a report.
> * If this is a limitation of the language is this well known and it is
> worked on? As it stands it doesn't seem possible to write safe
> multi-threaded code.