Re: SIGSEGV on recursive pthread_join

[Richard Guenther]

On Mon, 5 Jan 2004, Jeroen Dekkers wrote:

> On Mon, Jan 05, 2004 at 07:24:14PM +0100, Richard Guenther wrote:
> > On Mon, 5 Jan 2004, Jeroen Dekkers wrote:
> >
> > > On Mon, Jan 05, 2004 at 05:17:47PM +0100, Richard Guenther wrote:
> > > > I'm experiencing a weird behavior with the NPTL threads, as that my
> > > > application (sf.net/projects/glame) segfaults upon invocation of a
> > > > pthread_join while the main process is currently joining the thread that
> > > > tries to do the join. I.e.
> > >
> > > You can't join a thread more than once.
> >
> > I'm not doing this. I'm joining the joining thread ;) I.e. each thread is
> > exactly joined one time (see the numbering above).
>
> Oh, sorry, I misunderstood you.

It was indeed the case I tried to join a thread twice - the code was just
somehow obfuscated.  So my problem is fixed.  But still, old libc did not
segfault in this case - can't we detect this somehow and return ESRCH
instead?

Thanks,

Richard.