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Age	Commit message (Collapse)	Author
2015-04-22	minor optimization to pthread_spin_trylock	Rich Felker
	use CAS instead of swap since it's lighter for most archs, and keep EBUSY in the lock value so that the old value obtained by CAS can be used directly as the return value for pthread_spin_trylock.
2015-04-22	optimize spin lock not to dirty cache line while spinning	Rich Felker

2011-09-16	fix more instances of old a_xchg (use new a_swap name)	Rich Felker

2011-03-28	revert some more spin optimizations that turned out to be pessimizations	Rich Felker

2011-03-28	fix broken spinlock due to miscompilation	Rich Felker
	actually this trick also seems to have made the uncontended case slower.
2011-03-24	optimize spinlock spin	Rich Felker

2011-02-12	initial check-in, version 0.5.0v0.5.0	Rich Felker