DAPL_ATOMIC
DAPL_ATOMIC head;
DAPL_ATOMIC tail;
DAPL_ATOMIC pos;
DAPL_ATOMIC pos;
DAPL_ATOMIC head; /* head pointer index */
DAPL_ATOMIC tail; /* tail pointer index */
DAPL_ATOMIC head;
DAPL_ATOMIC tail;
DAPL_ATOMIC handle_ref_count; /* count of ia_opens on handle */
DAPL_ATOMIC cno_ref_count;
DAPL_ATOMIC evd_ref_count;
DAPL_ATOMIC req_count;
DAPL_ATOMIC recv_count;
DAPL_ATOMIC pz_ref_count;
DAPL_ATOMIC lmr_ref_count;
DAPL_ATOMIC srq_ref_count;
DAPL_ATOMIC recv_count;