OSA Group B: Practical 4: C Program to assign nice values to processes and dynamically monitor them.

#include<stdio.h>
#include<stdlib.h>
#include<sys/resource.h>
#include<unistd.h>
int main()
{
int rc,nc;
int ch;
while(1)
{system("ps axl");
printf("\ncurrent nice value can be checked from above table");
printf("\ncurrent priority of process %d is %d",getpid(),getpriority(PRIO_PROCESS,0));
printf("\nEnter new nice value (bet -20 to 20)");
scanf("%d",&nc);
rc=setpriority(PRIO_PROCESS,0,nc);
if(0!=rc)

{
perror("setpriority");

}
sleep(2);
printf("\nModified nice value of the process %d is : %d ",getpid(),getpriority(PRIO_PROCESS,0));
printf("\n Do you want to continue(press 1 to continue and 0 to stop):");
scanf("%d",&ch);
if(ch==0)
exit(0);
}
return 0;
}

SHARE SHARE SHARE