Messages in this thread | | | Subject | Re: Segfault on the i386 enter instruction | From | Lee Revell <> | Date | Mon, 15 May 2006 18:56:31 -0400 |
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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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