Obtains the scheduling policy attribute of thread creation.
cma_attr_get_sched(
                    attr,
                    policy);
 
Argument         Data Type               Access
attr             opaque cma_t_attr       read
policy           opaque cma_t_sched_     write
                 policy
#includevoid cma_attr_get_sched ( cma_t_attr *attr, cma_t_sched_policy *policy);
cma_e_existence cma_e_use_error