USE_SPIN_LOCKS    530 oshmem/mca/memheap/ptmalloc/malloc.c #define USE_SPIN_LOCKS 1
USE_SPIN_LOCKS    532 oshmem/mca/memheap/ptmalloc/malloc.c #define USE_SPIN_LOCKS 0
USE_SPIN_LOCKS      7 oshmem/mca/memheap/ptmalloc/malloc_defs.h #define USE_SPIN_LOCKS  0