SCX_CALL_OP_RET
ret = SCX_CALL_OP_RET(sch, init_task, NULL, p, &args);
ret = SCX_CALL_OP_RET(sch, cgroup_init,
ret = SCX_CALL_OP_RET(sch, cgroup_prep_move, NULL,
ret = SCX_CALL_OP_RET(sch, cgroup_init, NULL,
ret = SCX_CALL_OP_RET(sch, init, NULL);
ret = SCX_CALL_OP_RET(sch, init, NULL);
ret = SCX_CALL_OP_RET(parent, sub_attach, NULL,
__ret = SCX_CALL_OP_RET((sch), op, locked_rq, task, ##args); \
__ret = SCX_CALL_OP_RET((sch), op, locked_rq, task0, task1, ##args); \