mp.c

#include<stdio.h>
#include<stdlib.h>
int n=0,buffersize=0,currentsize=0;
void producer()
{
printf("\nEnter number of elements to be produced: ");
scanf("%d",&n);
if(0<=(buffersize-(currentsize+n)))
{
currentsize+=n;
printf("%d Elements produced by producer where buffersize is %d\n", currentsize,
buffersize);
}
else
printf("\nBuffer is not sufficient\n");
}
void consumer()
{
int x;
printf("\nEnter no. of elements to be consumed: ");
scanf("%d",&x);
if(currentsize>=x)
{
currentsize-=x;
printf("\nNumber of elements consumed: %d, Number of Elements left: %d", x, currentsize);
}
else
{
printf("\nNumber of Elements consumed should not be greater than Number of Elements produced\n");
}
}
void main()
{
int c;
printf("\nEnter maximum size of buffer:");
scanf("%d",&buffersize);
do
{
printf("\n1.Producer 2.Consumer 3.Exit");
printf("\nEnter Choice:");
scanf("%d",&c);
switch(c)
{
case 1:
if(currentsize >= buffersize)
printf("\nBuffer is full. Cannot produce");
else
producer();
break; case 2:
if(currentsize <= 0)
printf("\nBuffer is Empty. Cannot consume");
else
consumer();
break;
default:
exit ;
break;
}
}
while(c!=3);
}