um/drivers/random.c

30 static int random_fd = -1;
39 		ret = os_read_file(random_fd, buf, max);
41 			add_sigio_fd(random_fd);
45 			ignore_sigio_fd(random_fd);
46 			deactivate_fd(random_fd, RANDOM_IRQ);
76 	random_fd = err;
77 	err = um_request_irq(RANDOM_IRQ, random_fd, IRQ_READ, random_interrupt,
82 	sigio_broken(random_fd);
95 	os_close_file(random_fd);
96 	random_fd = -1;
106 	free_irq_by_fd(random_fd);
107 	os_close_file(random_fd);
113 	os_close_file(random_fd);