30 static int random_fd = -1;  variable
39 		ret = os_read_file(random_fd, buf, max);  in rng_dev_read()
41 			add_sigio_fd(random_fd);  in rng_dev_read()
45 			ignore_sigio_fd(random_fd);  in rng_dev_read()
46 			deactivate_fd(random_fd, RANDOM_IRQ);  in rng_dev_read()
76 	random_fd = err;  in rng_init()
77 	err = um_request_irq(RANDOM_IRQ, random_fd, IRQ_READ, random_interrupt,  in rng_init()
82 	sigio_broken(random_fd, 1);  in rng_init()
96 	os_close_file(random_fd);  in rng_init()
97 	random_fd = -1;  in rng_init()
107 	free_irq_by_fd(random_fd);  in cleanup()
108 	os_close_file(random_fd);  in cleanup()
114 	os_close_file(random_fd);  in rng_cleanup()