S390: Use C11-like atomics instead of plain memory accesses in lock elision code.
[glibc.git] / stdlib / getrandom.c
bloba24727bb7046d728861efbf3133254d766e42012
1 /* Stub for getrandom.
2 Copyright (C) 2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #include <sys/random.h>
20 #include <errno.h>
22 /* Write LENGTH bytes of randomness starting at BUFFER. Return the
23 number of bytes written, or -1 on error. */
24 ssize_t
25 getrandom (void *buffer, size_t length, unsigned int flags)
27 __set_errno (ENOSYS);
28 return -1;
31 stub_warning (getrandom)