/*      $NetBSD: lvm-wrappers.h,v 1.1.1.3 2009/12/02 00:25:41 haad Exp $        */

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef _LVM_WRAPPERS_H
#define _LVM_WRAPPERS_H

int lvm_getpagesize(void);

/*
* Read 'len' bytes of entropy from /dev/urandom and store in 'buf'.
*/
int read_urandom(void *buf, size_t len);

#  ifndef HAVE_SIGINTERRUPT
#    define siginterrupt(sig, flag) \
       do { \
               int ret; \
               struct sigaction act; \
               (void) sigaction(sig, NULL, &act); \
               if (flag) \
                       act.sa_flags &= SA_RESTART; \
               else \
                       act.sa_flags |= SA_RESTART; \
               ret = sigaction(sig, &act, NULL); \
               return ret; \
       while (0)
#  endif

#endif