import random


def read_pid_status(pid):
    """
    Mocks read_pid_status as this is a Linux-specific operation.
    """
    return {
        "FDSize": random.randint(0, 999999999),
        "Threads": random.randint(0, 99999),
        "VmRSS": random.randint(0, 999999999),
    }