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Rushil Umaretiya 2024-04-18 03:20:21 -04:00
parent 55bea7a247
commit e00d6cab27
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1 changed files with 15 additions and 14 deletions
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schedule.c
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@ -20,43 +20,44 @@ void run_with_quantum(task_struct* task, unsigned int quantum) {
}
}
void fcfs() {
while (get_task(0) != NULL) {
run_to_completion(remove_task(get_task(0)->pid));
}
}
/**
* While the queue is not empty:
* - Min heapify the linked list.
* - Get the highest priority task from the list (the one at the head).
* - Remove and run the highest priority task for the given quantum.
* - If the task is not complete, then append it to the linked list.
*/
*/
void priority_queue(unsigned int quantum) {
while(get_task(0) != NULL) {
while (get_task(0) != NULL) {
if (size() > 1)
min_heapify();
task_struct *task = remove_task(get_task(0)->pid);
task_struct* task = remove_task(get_task(0)->pid);
run_with_quantum(task, quantum);
if (task->remaining_cycles != 0)
{
if (task->remaining_cycles != 0) {
append_task(task->pid, task->priority, task->remaining_cycles);
}
if (size() > 1)
min_heapify();
}
}
void round_robin(unsigned int quantum) {
while (get_task(0) != NULL) {
task_struct* task = get_task(1 % size());
run_with_quantum(task, quantum);
if (task->remaining_cycles == 0) {
remove_task(task->pid);
while (size() > 0) {
for (unsigned int i = 0; i < size(); i++) {
task_struct* task = get_task(i % size());
run_with_quantum(task, quantum);
if (task->remaining_cycles == 0) {
remove_task(task->pid);
}
}
}
}