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/*
* lxc: linux Container library
*
* (C) Copyright IBM Corp. 2007, 2008
*
* Authors:
* Daniel Lezcano <dlezcano at fr.ibm.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _caps_h
#define _caps_h
extern int lxc_caps_reset(void);
extern int lxc_caps_down(void);
extern int lxc_caps_up(void);
extern int lxc_caps_init(void);
extern int lxc_caps_last_cap(void);
#define lxc_priv(__lxc_function) \
({ \
int __ret, __ret2, __errno = 0; \
__ret = lxc_caps_up(); \
if (__ret) \
goto __out; \
__ret = __lxc_function; \
if (__ret) \
__errno = errno; \
__ret2 = lxc_caps_down(); \
__out: __ret ? errno = __errno,__ret : __ret2; \
})
#define lxc_unpriv(__lxc_function) \
({ \
int __ret, __ret2, __errno = 0; \
__ret = lxc_caps_down(); \
if (__ret) \
goto __out; \
__ret = __lxc_function; \
if (__ret) \
__errno = errno; \
__ret2 = lxc_caps_up(); \
__out: __ret ? errno = __errno,__ret : __ret2; \
})
#endif
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