102 lines
2.2 KiB
C
102 lines
2.2 KiB
C
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#include "scheduler.h"
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#include "scheduler_round_robin.h"
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#include "doubly_linked_list.h"
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/**
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* \brief Enqueues a process in READY state
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*
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* \param rq The scheduler's run queue
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* \param pid The process to be enqueued
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*/
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void stud_RR_start(struct run_queue* rq, int pid) {
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return;
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}
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/**
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* \brief Elects and starts a process from the run queue. The running process MUST be placed
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* at the head of `rq` if it is not already there.
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*
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* \param rq The scheduler's run queue
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*/
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void stud_RR_elect(struct run_queue* rq) {
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return;
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}
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/**
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* \brief Terminates the current running process (i.e. rq->head) and places it at the BACK
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* of the run_queue.
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*
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* \param rq The scheduler's run queue
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*/
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void stud_RR_terminate(struct run_queue* rq) {
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return;
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}
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/**
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* \brief Performs a clock tick as specified by RR.
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*
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* \param rq The scheduler's run queue
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*/
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void stud_RR_clock_tick(struct run_queue* rq) {
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return;
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}
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/**
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* \brief Sets the state of the running process to BLOCKED, moves it to the BACK of the
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* run_queue, and elects and runs a new process.
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*
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* \param rq The scheduler's run queue
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*/
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void stud_RR_wait(struct run_queue* rq) {
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return;
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}
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/**
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* \brief Sets the state of `pid` to READY, if it exists, and moves it to the BACK
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* of the run_queue
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*
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* \param rq The scheduler's run queue
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* \param pid The process to be woken up
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*/
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void stud_RR_wake_up(struct run_queue* rq, int pid) {
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return;
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}
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/**
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* \brief Event handler for RR
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*
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* \param rq The scheduler's run queue
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* \param event The event to be handled
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* \param pid Depending on `event`, the `pid` of the target process.
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* If the `event` doesn't need this, it is ignored.
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*/
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void stud_RR(struct run_queue* rq, enum events event, int pid) {
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switch(event) {
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case start: {
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stud_RR_start(rq, pid);
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break;
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}
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case terminate: {
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stud_RR_terminate(rq);
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break;
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}
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case clock_tick: {
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stud_RR_clock_tick(rq);
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break;
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}
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case wait: {
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stud_RR_wait(rq);
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break;
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}
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case wake_up: {
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stud_RR_wake_up(rq, pid);
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break;
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}
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}
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}
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