Linux kernel quiz: Why is this program so slow and takes around 50ms to run? What line do you have to add to make it run in ~3ms instead without interfering with what this program does? ``` user@debian12:~/test$ cat > slow.c #include #include #include #include static void open_sockets(void) { for (int i=0; i<256; i++) { int sock = socket(AF_INET, SOCK_STREAM, 0); if (sock == -1) err(1, "socket"); } } static void *thread_fn(void *dummy) { open_sockets(); return NULL; } int main(void) { pth...| infosec.exchange