LL_IOMB_TRACE_LOCK
#define LL_IOREQ_OBQ_LOCK (LL_IOMB_TRACE_LOCK+1)
#define MPI_DEBUG_TRACE_ENTER_LOCK ossaSingleThreadedEnter(agRoot, LL_IOMB_TRACE_LOCK);
#define MPI_DEBUG_TRACE_LEAVE_LOCK ossaSingleThreadedLeave(agRoot, LL_IOMB_TRACE_LOCK);