threading problems

Dan Nelson dnelson at allantgroup.com
Sun Aug 31 19:39:20 PDT 2003


In the last episode (Sep 01), RMH said:
> Hello gentlemen,
> 
> I seem to have threading problems with 5.1-RELEASE. Every time I run
> a multithreaded application (linked against libc_r) on a SMP system,
> I get only 1 CPU loaded at any moment given. I tried different

Correct.  libc_r is a userland threading library, which means that all
threads run as a single plain process.  Linuxthreads forks a new
process for each thread.  Try linking with -lkse or -lthr; both of
these threading libraries allow multiple threads to run simultaneously
on multiple CPUs.

-- 
	Dan Nelson
	dnelson at allantgroup.com


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