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

From: Johan Torp (johan.torp_at_[hidden])
Date: 2008-05-28 04:34:21

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/papers/2008/n2497.html#thread.threads.id

Which sounds like thread ids are free to be re-used.

Johan
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