Function sleep_while

lib_acl_cpp/samples/connect_manager/main.cpp:12–20

static acl::thread_pool*     __threads      = NULL;

static void sleep_while(int n)
{
	for (int i = 0; i < n; i++) {
		putchar('.');
		fflush(stdout);
		sleep(1);
	}
	printf("\r\n");
}

static void check_all_connections(void)
{