003.c

/*
..........................................................................................................................................
Name : 003.c
Author : SHRUTI VERMA
Description : Write a program to set (any one) system resource limit. Use setrlimit system call.
Date : 29 Sep 2025
..........................................................................................................................................
*/

#include<unistd.h>
#include<stdlib.h>
#include<stdio.h>
#include<sys/resource.h>

int main() {
    struct rlimit rl;

    getrlimit(RLIMIT_LOCKS, &rl);
    int l = rl.rlim_max;
    printf("Hard Limit on locks before : ");
    if(l == RLIM_INFINITY)
    printf("UNLIMITED\n");
    else printf("%ld", (long)rl.rlim_max);

    rl.rlim_max = 10;
    setrlimit(RLIMIT_LOCKS, &rl);
    
    printf("Hard Limit on locks now : %ld\n", (long)rl.rlim_max);
}

/* ------------------------------OUTPUT----------------------------
Hard Limit on locks before : UNLIMITED
Hard Limit on locks now : 10
*/