1/* $NetBSD: lvm-wrappers.h,v 1.1.1.3 2009/12/02 00:25:41 haad Exp $ */
2
3/*
4 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
5 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
6 *
7 * This file is part of LVM2.
8 *
9 * This copyrighted material is made available to anyone wishing to use,
10 * modify, copy, or redistribute it subject to the terms and conditions
11 * of the GNU Lesser General Public License v.2.1.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 */
17
18#ifndef _LVM_WRAPPERS_H
19#define _LVM_WRAPPERS_H
20
21int lvm_getpagesize(void);
22
23/*
24 * Read 'len' bytes of entropy from /dev/urandom and store in 'buf'.
25 */
26int read_urandom(void *buf, size_t len);
27
28# ifndef HAVE_SIGINTERRUPT
29# define siginterrupt(sig, flag) \
30 do { \
31 int ret; \
32 struct sigaction act; \
33 (void) sigaction(sig, NULL, &act); \
34 if (flag) \
35 act.sa_flags &= SA_RESTART; \
36 else \
37 act.sa_flags |= SA_RESTART; \
38 ret = sigaction(sig, &act, NULL); \
39 return ret; \
40 while (0)
41# endif
42
43#endif
44