linuxthread race condition

[Andreas Schwab]

Jakub Jelinek <jakub@redhat.com> writes:

|> On Fri, Nov 30, 2001 at 10:42:51AM +0100, Andreas Schwab wrote:
|> > +  if (sp >= __pthread_initial_thread_bos)
|> > +    return &__pthread_initial_thread;
|> 
|> How could it be initial thread? Even if it could (it cannot), for
|> FLOATING_STACKS, this is totally bogus test (sp >= -1) and for non-floating
|> stacks there is no guarantee that there are no thread stacks above initial
|> thread stack (think about sparc64, where sp initial thread stack is below VM
|> hole, while thread stacks can be in the mmap area (after VM hole)).

Yes, you're right, these two lines should be taken out.  We can never have
the initial thread here.

Andreas.

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