//void
//int prio;
//float ratio;
void upgrade_process_prio(int prio,float ratio)
{
int count;
int n;
Ele *proc;
List *src_queue, *dest_queue;
if (prio >= MAXPRIO)
{
return;
}
src_queue = prio_queue[prio];
dest_queue = prio_queue[prio+1];
count = src_queue->mem_count;
if (count > 0)
{
n = (int) (count*ratio + 1);
proc = find_nth(src_queue, n);
if (proc)
{
src_queue = del_ele(src_queue, proc);
/* append to appropriate prio queue */
proc->priority = prio;
dest_queue = append_ele(dest_queue, proc);
}
}
}
//void
void block_process()
{
schedule();
if (cur_proc)
{
block_queue = append_ele(block_queue, cur_proc);
}
}
void quantum_expire() {
int prio;
schedule();
if (cur_proc) {
prio = cur_proc->priority;
prio_queue[prio] = append_ele(prio_queue[prio], cur_proc);
}
}
void init_prio_queue(int prio, int num_proc) {
List *queue;
Ele *proc;
int i;
queue = new_list();
for (i=0; i<num_proc; i++) {
proc = new_process(prio);
queue = append_ele(queue, proc);
}
prio_queue[prio] = queue;
}
void unblock_process(float ratio) {
int count;
int n;
Ele *proc;
int prio;
if (block_queue) {
count = block_queue->mem_count;
n = (int) (count*ratio + 1);
proc = find_nth(block_queue, n);
if (proc) {
block_queue = del_ele(block_queue, proc);
prio = proc->priority;
prio_queue[prio] = append_ele(prio_queue[prio], proc);
}
}
}
//int prio;
void add_process(int prio)
{
Ele *proc;
proc = new_process(prio);
prio_queue[prio] = append_ele(prio_queue[prio], proc);
}
