Re: the state of the concurrency branch

[Tom Tromey]

Barry> - for (bind = thr->m_specpdl_ptr; bind != thr->m_specpdl; --bind)
Barry> + for (bind = thr->m_specpdl_ptr; bind > thr->m_specpdl;)
Barry> {
Barry> - if (bind->kind >= SPECPDL_LET)
Barry> + if ((--bind)->kind >= SPECPDL_LET)

I looked at this a little tonight and I think it is correct.
Can you check it in?
If not let me know and I will do it.

Barry> • thread-yield should call timer_check. See discussion at:
Barry> http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15045#176

It seems reasonable to me.  However I wonder whether timers ought to be
thread-locked the way that processes are.

Barry> • condition-variablep should be condition-variable-p

Thanks, I've pushed a patch for this.

Tom