MP_LOCKREGION
if (F_ISSET(dbmp, MP_LOCKREGION)) \
if (F_ISSET(dbmp, MP_LOCKREGION)) \
if (F_ISSET(dbmp, MP_LOCKHANDLE | MP_LOCKREGION)) \
if (F_ISSET(dbmp, MP_LOCKREGION)) \
if (F_ISSET(dbmp, MP_LOCKREGION)) \
F_SET(dbmp, MP_LOCKREGION);
F_CLR(dbmp, MP_LOCKREGION);
F_SET(dbmp, MP_LOCKREGION);
F_SET(dbmp, MP_LOCKHANDLE | MP_LOCKREGION);