-
Notifications
You must be signed in to change notification settings - Fork 0
/
FIFO.C
47 lines (37 loc) · 1.04 KB
/
FIFO.C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
//FIFO page replacement
#include<stdio.h>
#include <conio.h>
void main()
{
int i,j,n,a[50],frame[10],no,k,avail,count=0;
printf("\n Enter the no. of pages:");
scanf("%d",&n);
printf("\n Enter the page numbers:");
for(i=1;i<=n;i++)
scanf("%d",&a[i]);
printf("\n Enter the no. of frames:");
scanf("%d",&no);
for(i=0;i<no;i++)
frame[i]= -1;
j=0;
for(i=1;i<=n;i++)
{
printf("For - %d\t\t",a[i]);
avail=0;
for(k=0;k<no;k++)
if(frame[k]==a[i])
avail=1;
if (avail==0)
{
frame[j]=a[i];
j=(j+1)%no;
count++;
printf("Frame - ");
for(k=0;k<no;k++)
printf("%d\t",frame[k]);
}
printf("\n");
}
printf("Page Fault is %d",count);
getch();
}