2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
5 * SPDX-License-Identifier: GPL-2.0-or-later
9 #include <asm/unistd.h>
21 if (syscall(__NR_getrandom, buf, sizeof(buf) - 1, 0) != sizeof(buf) - 1)
22 perror_msg_and_skip("getrandom");
23 printf("getrandom(\"\\x%02x\\x%02x\\x%02x\", 3, 0) = 3\n",
24 (int) buf[0], (int) buf[1], (int) buf[2]);
26 if (syscall(__NR_getrandom, buf, sizeof(buf), 1) != sizeof(buf))
27 perror_msg_and_skip("getrandom");
28 printf("getrandom(\"\\x%02x\\x%02x\\x%02x\"..., 4, GRND_NONBLOCK) = 4\n",
29 (int) buf[0], (int) buf[1], (int) buf[2]);
31 if (syscall(__NR_getrandom, buf, sizeof(buf), 0x3003) != -1)
32 perror_msg_and_skip("getrandom");
33 printf("getrandom(%p, 4, GRND_NONBLOCK|GRND_RANDOM|0x3000) = "
34 "-1 EINVAL (%m)\n", buf);
36 puts("+++ exited with 0 +++");
42 SKIP_MAIN_UNDEFINED("__NR_getrandom")