Re-use of user-defined stacks for threads

[Ulrich Drepper]

Wolfram Gloger <wmglo@dent.med.uni-muenchen.de> writes:

> LinuxThreads breaks this, because the actual freeing of the thread
> resources within the stack can occur _after_ pthread_join() has
> returned.  Below is a fix.

I agree with the analysis but the patch is not OK.  It creates a race.
If the manager is restarting the joining thread before the latter
actually suspended itself we have a problem.

Probably the joining thread should deallocate the stack somehow.
Don't know yet what the solution should be.

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