Re: [Boost-users] [thread] boost::thread automatically detached when thread terminates?

Subject: Re: [Boost-users] [thread] boost::thread automatically detached when thread terminates?
From: Boris Schaeling (boris_at_[hidden])
Date: 2010-09-12 12:11:54

On Sun, 12 Sep 2010 15:32:13 +0200, Eric J. Holtman <eric_at_[hidden]>  
wrote:

> On 9/12/2010 7:55 AM, Boris Schaeling wrote:
>>
>> I want a worker thread to terminate if there is nothing to do. If there  
>> is something to do again and the worker thread has terminated I need to  
>> create a new one. Now I wonder if I can use boost::thread to detect  
>> whether the thread is running or not.
>>
>
> The reason boost::thread doesn't provide you with an
> "is_running" function, is that it would be nearly impossible
> to write it correctly.
>
> Example:
>
> main thread starts worker.
> worker starts work.
> main thread calls is_running which returns true.
>
> now, before main thread can execute next statement, worker thread exits.
>
> main thread tries to send more work to worker, who is gone.

Good point (and so obvious :)!

Thanks,
Boris