Re: Segfault on the i386 enter instruction

[Lee Revell]

On Tue, 2006-05-16 at 00:49 +0200, Ingo Oeser wrote:
> Hi Lee,
> 
> On Monday, 15. May 2006 21:56, Lee Revell wrote:
> > Just FYI, this does actually have an important effect on multithreaded
> > programs - glibc will allocate RLIMIT_STACK for each thread stack.  If
> > mlockall() is used this can eat quite a bit of memory.  It's a real
> > world problem for some pro audio apps.
> 
> If it is: pthread_attr_setstacksize() is your friend.
> If you like to use the big hammer: just lower RLIMIT_STACK.
> 
> So no unsolvable real world problem here :-)
> 

Yep, that's exactly what we do in JACK.  POSIX makes it quite explicit
that one should not assume the default thread stack size is sane...

Lee



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