Posix threads in RHAT9

Mark Komarinski mkomarinski at wayga.org
Wed May 19 14:50:00 EDT 2004


On Wed, May 19, 2004 at 02:41:50PM -0400, Michael ODonnell wrote:
> 
> I don't yet feel like I know know where things stand, but FYI
> I've heard (since my OP) that there was (is?)  apparently enough
> trouble caused by the NPTL (eg, to the threading infrastructure
> of various Java packages) that it was arranged that you can
> force NPTL disabled either by booting your RHAT kernel with the
> "nosysinfo" commandline option, or else run your apps after
> saying "export LD_ASSUME_KERNEL=<kernel-version>" where 2.4.1
> means "Linuxthreads with floating stacks" and 2.2.5 means
> "Linuxthreads without floating stacks".

I have users with a number of apps[1] that break with NPTL.  Setting the
LD_ASSUME_KERNEL makes it work.

[1] Including apps that are many years old and some written by people
who are obviously not coders. *sigh*

-Mark
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