Re: [boost] [thread] Are thread ids unique during an applications life time?

From: Peter Dimov (pdimov_at_[hidden])
Date: 2008-05-28 05:59:48

Johan Torp:
> IIRC, windows thread ids can be re-used. That is, if you stop a thread X 
> and
> later start a thread Y they might get the same thread id. Is this the case
> with boost.thread? What about the standard? It states:
>
> "An object of type thread::id provides a unique identifier for each thread
> of execution and a single distinct value for all thread objects that do 
> not
> represent a thread of execution ([thread.threads.class]). Each thread of
> execution has a thread::id that is not equal to the thread::id of other
> threads of execution and that is not equal to the thread::id of 
> std::thread
> objects that do not represent threads of execution."

http://www.open-std.org/JTC1/SC22/WG21/docs/lwg-active.html#783