Quoting from http://www.codemonkey.org.uk/post-halloween-2.5.txt
- The behavior of sched_yield() changed a lot. A task that uses this system call should now expect to sleep for possibly a very long time. Tasks that do not really desire to give up the processor for a while should probably not make heavy use of this function. Unfortunately, some GUI programs (like Open Office) do make excessive use of this call and under load their performance is poor. It seems this new 2.5 behavior is optimal but some user-space applications may need fixing. Rob -- GPG key available at: <http://users.bigpond.net.au/robertc/keys.txt>.
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