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* fix more instances of old a_xchg (use new a_swap name)Rich Felker2011-09-161-1/+1
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* revert some more spin optimizations that turned out to be pessimizationsRich Felker2011-03-281-1/+1
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* fix broken spinlock due to miscompilationRich Felker2011-03-281-1/+1
| | | | actually this trick also seems to have made the uncontended case slower.
* optimize spinlock spinRich Felker2011-03-241-1/+1
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* initial check-in, version 0.5.0 v0.5.0Rich Felker2011-02-121-0/+7