[Bug nptl/22337] pthread_join incorrectly fails for a detached running thread

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=22337

--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
There is this sentence in 2.9.2:

“If a thread is detached, its thread ID is invalid for use as an argument in a
call to pthread_detach() or pthread_join().”

Is this what you mean?

But it is not clear to me that pthread_detach actually makes the thread
detached.  The effect is specified as “The pthread_detach() function shall
indicate to the implementation that storage for the thread thread can be
reclaimed when that thread terminates.”  Not that the thread will be detached
or not joinable afterwards.

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