extern void kthread_init_runqueue(kthread_runqueue_t *kthread_runq)
{
kthread_runq->active_runq = &(kthread_runq->runqueues[0]);
kthread_runq->expires_runq = &(kthread_runq->runqueues[1]);
gt_spinlock_init(&(kthread_runq->kthread_runqlock));
init_runqueue(kthread_runq->active_runq);
init_runqueue(kthread_runq->expires_runq);
TAILQ_INIT(&(kthread_runq->zombie_uthreads));
return;
}
/*
* Initialize global scheduling structures
*/
static void sched_init(struct sched_class* sc)
{
int cpu=0;
char logfile_name[10]="";
for (cpu=0; cpu<nr_cpus; cpu++) {
init_runqueue(&runqueues[cpu],cpu);
init_slist(&sched_events[cpu],offsetof(sched_event_t,links));
}
active_sched_class=sc;
/* Perform class-specific global initialization if required */
if (active_sched_class->sched_init && active_sched_class->sched_init()) {
perror("Couldn't initialize scheduling class");
exit(1);
}
if( pthread_mutex_init(&simulation_lock,NULL) < 0) {
perror("Can't create mutex");
exit(1);
}
if( sys_barrier_init(&simulation_barrier,nr_cpus) < 0) {
fprintf(stderr,"Can't create barrier");
exit(1);
}
/* Open log files */
/* NULL initialization */
memset(cpu_log,0,MAX_CPUS*sizeof(FILE*));
/* Delete existing files*/
system("rm -f CPU_*.log");
for (cpu=0; cpu<nr_cpus; cpu++) {
sprintf(logfile_name,"CPU_%i.log",cpu);
if((cpu_log[cpu] = fopen(logfile_name, "w")) == NULL) {
fprintf(stderr,"Can't open file \n");
sched_terminate(1);
}
setbuf(cpu_log[cpu],NULL);
}
setbuf(stdout,NULL);
}
int main()
{
runqueue_t *active_runq, *expires_runq;
uthread_struct_t *u_obj;
int inx;
active_runq = &active_runqueue;
expires_runq = &expires_runqueue;
init_runqueue(active_runq);
init_runqueue(expires_runq);
fill_runq(active_runq);
print_runq_stats(active_runq, "ACTIVE");
print_runq_stats(expires_runq, "EXPIRES");
change_runq(active_runq, expires_runq);
print_runq_stats(active_runq, "ACTIVE");
print_runq_stats(expires_runq, "EXPIRES");
empty_runq(expires_runq);
print_runq_stats(active_runq, "ACTIVE");
print_runq_stats(expires_runq, "EXPIRES");
return 0;
}
