SMPing libpthread

[Daniel Eischen]

On Mon, 28 Apr 2003, Daniel Eischen wrote:

> On Tue, 29 Apr 2003, David Xu wrote:
> 
> > 
> > ----- Original Message ----- 
> > From: "Daniel Eischen" <eischen at pcnet1.pcnet.com>
> > To: "David Xu" <davidxu at viatech.com.cn>
> > Cc: <freebsd-threads at freebsd.org>
> > Sent: Tuesday, April 29, 2003 7:59 AM
> > Subject: Re: SMPing libpthread
> > 
> > 
> > > On Mon, 28 Apr 2003, David Xu wrote:
> > > 
> > > > I have updated the libpthread SMP patch.
> > > > http://people.freebsd.org/~davidxu/libpthread_smp.diff
> > > > default is SMP enabled in the patch. the patch past all ACE tests,
> > > > also crew program was tested.
> > > 
> > > Committed.  I also made spinlock/spinunlock critical regions.
> > > Take a look at it and see if you think it'll work OK.  All
> > > my tests pass with this.
> > > 
> > 
> > I found some DNS routines are using spinlock! so they
> > may be blocked in network transaction, it would lock out
> > our scheduler. I think we still need to rescure PS_SPINBLOCK
> > code from libc_r.
> 
> No, let's replace them with mutexes.  They shouldn't have
> crept in.  Is this with the new NSS code that was just added?
> 
> > > We still have a problem with mozilla.  When I first got
> > > libkse working, mozilla worked for me but now it hangs
> > > upon startup (no window ever gets displayed).
> > > 
> > Can you use gdb and press ctrl+c to see where it is dead loop?
> 
> No, only SIGKILL works.  See my other post about rtld :-)

BTW David, you can debug mozilla with:

  $ /usr/X11R6/lib/mozilla-devel-gtk2/mozilla -g

It's a shell script that will automatically start it up under
the debugger.

-- 
Dan Eischen