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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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*
* 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
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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 ,
* Inc . , 59 Temple Place , Suite 330 , Boston , MA 02111 - 1307 USA
*/
# ifndef _LVM_WRAPPERS_H
# define _LVM_WRAPPERS_H
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# ifdef UDEV_SYNC_SUPPORT
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struct udev ;
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struct udev * udev_get_library_context ( void ) ;
# endif
int udev_init_library_context ( void ) ;
void udev_fin_library_context ( void ) ;
int udev_is_running ( void ) ;
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int lvm_getpagesize ( void ) ;
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/*
* Read ' len ' bytes of entropy from / dev / urandom and store in ' buf ' .
*/
int read_urandom ( void * buf , size_t len ) ;
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# 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
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# endif