/_spinlock.h/1.1/Wed Aug 11 17:41:34 2004//
/uthread_machdep.c/1.3/Tue Nov  2 21:36:11 2004//
/uthread_machdep.h/1.2/Thu Sep  9 16:59:21 2004//
/uthread_machdep_asm.S/1.3/Tue Nov  2 21:36:11 2004//
/_atomic_lock.c/1.3/Mon Jun  8 20:15:05 2009//
D
