old_policy =sched_getscheduler(getpid());if(old_policy ==-1) { perror("An error occurs when callingsched_getscheduler()");returnPTS_UNRESOLVED; }/* set a sched_ss_repl_period lower than the sched_ss_init_budget */param.sched_ss_repl_period.tv_sec =1; param.sched_ss_repl_period.t...