Set Resource Limits

#include <sys/resource.h>
#include <sys/time.h>
#include <unistd.h>
int main ()
{
    struct rlimit rl;
    /* Obtain the current limits. */
    getrlimit (RLIMIT_CPU, &rl);
    /* Set a CPU limit of 1 second. */
    rl.rlim_cur = 1;
    setrlimit (RLIMIT_CPU, &rl);
    /* Do busy work. */
    while (1);
    return 0;
}