From e8b1808eaf87a49e4c34ebbfb66854baa627418c Mon Sep 17 00:00:00 2001
From: Tucker Evans <tuckerevans24@gmail.com>
Date: Mon, 18 Feb 2019 07:35:54 -0500
Subject: Moves assignments to given course folder.

---
 jobScheduler/cpuScheduleTable.c | 224 ----------------------------------------
 1 file changed, 224 deletions(-)
 delete mode 100644 jobScheduler/cpuScheduleTable.c

(limited to 'jobScheduler/cpuScheduleTable.c')

diff --git a/jobScheduler/cpuScheduleTable.c b/jobScheduler/cpuScheduleTable.c
deleted file mode 100644
index 5d2256a..0000000
--- a/jobScheduler/cpuScheduleTable.c
+++ /dev/null
@@ -1,224 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <signal.h>
-#include <sys/time.h>
-
-#define PROCESS_COUNT 4
-#define time_calc(x, y) ((y.tv_sec - x.tv_sec) * 1000000) + (y.tv_usec - x.tv_usec)
-
-
-/* TODO
-add heap for priority
-compute priority
-*/
-
-int go=1;
-int turn=0;
-float v;
-float throughput;
-struct timeval start_time;
-int turns;
-int completed_jobs;
-
-struct process {
-	int virgin;
-	int (*proc)(int);
-	int turnaround[9];
-	struct timeval start_t;
-	int runs;
-	float save;
-	int turn;
-};
-
-struct process pt[PROCESS_COUNT]; /*process table*/
-
-void
-cpusched(signum)
-int signum;
-{
-	pt[turn].virgin=0;
-	pt[turn].save=v;
-	go=0;
-}
-
-int
-f0(x)
-int x;
-{
-	register int i=0;
-	register int t;
-	signal(SIGUSR1, cpusched);
-	if (!x) goto start;
-	v=0.0;
-
-start:
-	while (go && (v > -200.0)) {
-		printf("0");fflush(stdout);
-		t = (rand() % 1024);
-		v -= 2.0;
-		if ((v>0.0) || ((((int) v) % 2) == -1)) {
-			printf("f0, found odd or positive, v= %f\n", v);
-			exit(1);
-		}
-		usleep(t*100);
-	}
-	if (v <= -200.0) pt[0].virgin=1;
-	go=1;
-}
-
-int
-f1(x)
-int x;
-{
-	register int i=0;
-	register int t;
-	if (!x) goto start2;
-	v= -1.0;
-
-start2:
-	while (go && (v > -401.0)) {
-		printf("1");fflush(stdout);
-		t = (rand() % 2048);
-		v -= 2.0;
-		if ((v>0.0) || ((((int) v) % 2) != -1)) {
-			printf("f1, found even or positive\n");
-			exit(1);
-		}
-		usleep(t*100);
-	}
-	if (v <= -401.0) pt[1].virgin=1;
-	go=1;
-}
-
-int
-f2(x)
-int x;
-{
-	register int i=0;
-	register int t;
-	if (!x) goto start3;
-	v= 1.0;
-
-start3:
-	while (go) {
-		printf("2");fflush(stdout);
-		t = (rand() % 4096);
-		v += 2.0;
-		if ((v<0.0) || ((((int) v) % 2) != 1)) {
-			printf("f2, found even or negative\n");
-			exit(1);
-		}
-		usleep(t*100);
-	}
-	go=1;
-}
-
-int
-f3(x)
-int x;
-{
-	register int i=0;
-	register int t;
-	if (!x) goto start4;
-	v= 0.0;
-
-start4:
-	while (go) {
-		printf("3");fflush(stdout);
-		t = (rand() % 4096);
-		v += 2.0;
-		if ((v<0.0) || ((((int) v) % 2) == 1)) {
-			printf("f3, found odd or negative\n");
-			exit(1);
-		}
-		usleep(t*100);
-	}
-	go=1;
-}
-
-void turnaround_calc(p, n)
-struct process *p;
-int n;
-{
-	int i;
-	p->turnaround[8] = 0;
-	for (i = 0; i < n; i++) {
-		p->turnaround[8] += p->turnaround[i] / n;
-	}
-	return;
-}
-
-int main(argc, argv, envp)
-int argc;
-char **argv, **envp;
-{
-	int pid, i, last;
-	struct timeval end_t;
-	gettimeofday(&start_time, NULL);
-
-	for (i = 0; i < PROCESS_COUNT; i++) {
-		pt[i].virgin = 1;
-	}
-
-	pt[0].proc=f0;
-	pt[1].proc=f1;
-	pt[2].proc=f2;
-	pt[3].proc=f3;
-
-	signal(SIGUSR1, cpusched);
-	if (pid=fork()) {
-		while (1) {
-			go = 1;
-			sleep(5);
-			if (go)
-				kill(pid, SIGUSR1);
-		}
-	} else {
-		while (1) {
-			printf("turn= %d\n", ++turns);
-			v=pt[turn].save;
-			if (pt[turn].virgin)
-				gettimeofday(&pt[turn].start_t, NULL);
-
-			pt[turn].proc(pt[turn].virgin);
-
-			gettimeofday(&end_t, NULL);
-
-			if (pt[turn].virgin) {
-				pt[turn].turnaround[pt[turn].runs % 8] = time_calc(pt[turn].start_t, end_t);
-				turnaround_calc(&pt[turn], (pt[turn].runs < 8 ? pt[turn].runs + 1 : 8));
-				pt[turn].runs++;
-				completed_jobs++;
-				kill(getppid(), SIGUSR1);
-			} else if (pt[turn].runs == 0){
-				pt[turn].turnaround[8] = (time_calc(pt[turn].start_t, end_t)) / 2;
-			}
-
-			throughput = completed_jobs / (float)(end_t.tv_sec - start_time.tv_sec);
-			pt[turn].turn++;
-
-			if (turns == 1000) {
-				kill(getppid(), 9);
-				exit(1);
-			}
-
-			printf("\n");
-
-			for (i = 0; i < 4; i++){
-				printf("\t[%d]\tturnaround= %9d\truns= %3d\tturn= %d\n", i, pt[i].turnaround[8], pt[i].runs, pt[i].turn);
-			}
-
-			printf("\ntime= %5d\tthroughput= %9f\tcompleted_jobs= %d\n\n\n", end_t.tv_sec - start_time.tv_sec, throughput, completed_jobs);
-
-			last = turn;
-			turn = 0;
-			for (i = 1; i < PROCESS_COUNT; i++) {
-				turn = ((pt[turn].turnaround[8] < pt[i].turnaround[8]) && (turn != last)) ? turn : i;
-			}
-
-		}
-	}
-}
-- 
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