atomic_subtract_acq_32
#define atomic_subtract_acq_ptr atomic_subtract_acq_32
#define atomic_subtract_acq_int atomic_subtract_acq_32
#define atomic_subtract_acq_int atomic_subtract_acq_32
atomic_subtract_acq_32(&io->ocs->io_in_use, 1);
atomic_subtract_acq_32(&ocs->io_high_watermark, OCS_RSVD_INI_IO);
#define atomic_subtract_acq_int atomic_subtract_acq_32