yamakuzure@gmx.net Sven Eden Annotate inter thread synchronization for debugging with valgrind. Produce massive debugging output. Do not enable lightly! Use spinlocks instead of mutexes. Improves performance. Build and install test programs. Build and install torture, the multi-threaded container burner. Let spinlocks yield when they can not lock. Improves performance. Yamakuzure/pwxlib