/* $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