/usr/include/sbuild/sbuild-personality.h is in libsbuild-dev 1.6.10-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 | /* Copyright © 2006-2007 Roger Leigh <rleigh@debian.org>
*
* schroot is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* schroot 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*
*********************************************************************/
#ifndef SBUILD_PERSONALITY_H
#define SBUILD_PERSONALITY_H
#include <sbuild/sbuild-custom-error.h>
#include <map>
#include <ostream>
#include <string>
namespace sbuild
{
/**
* Chroot personality. A chroot may have a personality (also knows
* as a process execution domain) which is used to run non-native
* binaries. For example, running 32-bit Linux binaries on a 64-bit
* Linux system, or an SVR4 binary on a 32-bit Linux system. This
* is currently a Linux only feature; it does nothing on non-Linux
* systems. This is a wrapper around the personality(2) system
* call.
*/
class personality
{
public:
/// Personality type.
typedef unsigned long type;
/// Error codes.
enum error_code
{
BAD, ///< Personality is unknown.
SET ///< Could not set personality.
};
/// Exception type.
typedef custom_error<error_code> error;
/**
* The constructor. On Linux systems, this is initialised with
* the current process' personality. On non-Linux systems, it is
* initialised as "undefined".
*/
personality ();
/**
* The constructor.
*
* @param persona the persona to set.
*/
personality (std::string const& persona);
///* The destructor.
~personality ();
/**
* Get the name of the personality.
*
* @returns the personality name.
*/
std::string const& get_name () const;
/**
* Set the name of the personality.
*
* @param persona the persona to set.
* @returns the personality name.
*/
void set_name (std::string const& persona);
/**
* Get the personality.
*
* @returns the personality.
*/
type
get () const;
/**
* Set the process personality. This sets the personality (if valid) using
* the personality(2) system call. If setting the personality
* fails, an error is thown.
*/
void
set () const;
/**
* Print a list of the available personalities.
*
* @returns a string of the available personalities.
*/
static std::string
get_personalities ();
/**
* Get the personality name from a stream.
*
* @param stream the stream to get input from.
* @param rhs the personality to set.
* @returns the stream.
*/
template <class charT, class traits>
friend
std::basic_istream<charT,traits>&
operator >> (std::basic_istream<charT,traits>& stream,
personality& rhs)
{
std::string personality_name;
if (std::getline(stream, personality_name))
{
rhs.set_name(personality_name);
}
return stream;
}
/**
* Print the personality name to a stream.
*
* @param stream the stream to output to.
* @param rhs the personality to output.
* @returns the stream.
*/
template <class charT, class traits>
friend
std::basic_ostream<charT,traits>&
operator << (std::basic_ostream<charT,traits>& stream,
personality const& rhs)
{
return stream << find_personality(rhs.persona);
}
private:
/**
* Find a personality by name.
*
* @param persona the personality to find.
* @returns the personality type; this is -1 if the personality
* was undefined, or -2 if the personality was unknown (not
* found).
*/
static type
find_personality (std::string const& persona);
/**
* Find a personality by number.
*
* @param persona the personality to find.
* @returns the personality name, "undefined" if the personality was
* not defined, or "unknown" if the personality was not found.
*/
static std::string const&
find_personality (type persona);
/// The name of the current personality.
std::string persona_name;
/// The personality type.
type persona;
/// Mapping between personality name and type.
static std::map<std::string,type> personalities;
};
}
#endif /* SBUILD_PERSONALITY_H */
/*
* Local Variables:
* mode:C++
* End:
*/
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