PR(08) C / C++ Program to assign nice values to processes and dynamically monitor them

#include<stdlib.h>

#include<stdio.h>

#include<sys/resource.h>

#include<unistd.h>

int main()

{

    int rc,nc;

    int ch;

    while(1)

    {

system("ps axl");

printf("\nCurrent nice vale can be checked from above table");

printf("\nThe Current priority of the process %d is %d",getpid(),getpriority(PRIO_PROCESS,0));

printf("\nEnter new nice value(between -20 to 20)");

scanf("%d",&nc);

rc=setpriority(PRIO_PROCESS,0,nc);

if(0!=rc)

{

perror("setpriority");

}

sleep(2);

printf("Modified nice value of the process%d is:%d",getpid(),getpriority(PRIO_PROCESS,0));

printf("Do you want to continue(1 continue or 0 stop):");

scanf("%d",&ch);

if(ch==0)

exit(0);

}

return 0;

}