Re: [Boost-users] 2. TRY boost::thread - problem with worker as an inner class of a queue

From: Peter Dimov (pdimov_at_[hidden])
Date: 2007-01-27 09:28:37

Lars Kunert wrote:
> Dear Moderator!
>
> Yesterday I posted a mail to boost-users. I got a reply, that my mail
> awaits moderation. That mail also contained a link. The link is dead
> since yesterday evening. Which does usually mean that the mail was
> posted,
> but it did not show up. I have enclosed the mail again below,
>
> Thanks, Lars Kunert
>
>
> The following attached (downsized) program implements a queue which
> contains a single worker process. Int's that are pushed into the queue
> are popped by
> the worker and processed... The problem is, the program ends up with
> an segmentation fault. Valgrind tells me that the stack is
> overwritten.

[...]

> int main()
> {
>    QueueError q;
>
>    q.push( 10 );
>    q.push( 9 );
>    q.push( 8 );
>    q.push( 7 );
>    q.push( 6 );
>
>    return 0;

You are exiting main, running the destructor of q, while your worker thread 
is still active.

> };