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52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _LVM_WRAPPERS_H
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#define _LVM_WRAPPERS_H
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#ifdef UDEV_SYNC_SUPPORT
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#include <libudev.h>
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struct udev *udev_get_library_context(void);
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#endif
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int udev_init_library_context(void);
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void udev_fin_library_context(void);
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int udev_is_running(void);
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const char *udev_get_dev_dir(void);
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int lvm_getpagesize(void);
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/*
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* Read 'len' bytes of entropy from /dev/urandom and store in 'buf'.
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*/
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int read_urandom(void *buf, size_t len);
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# ifndef HAVE_SIGINTERRUPT
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# define siginterrupt(sig, flag) \
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do { \
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int ret; \
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struct sigaction act; \
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(void) sigaction(sig, NULL, &act); \
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if (flag) \
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act.sa_flags &= SA_RESTART; \
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else \
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act.sa_flags |= SA_RESTART; \
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ret = sigaction(sig, &act, NULL); \
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return ret; \
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while (0)
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# endif
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#endif
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