/usr/include/boost/thread/lockable_traits.hpp is in libboost1.54-dev 1.54.0-4ubuntu3.
This file is owned by root:root, with mode 0o644.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 | // Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// (C) Copyright 2007 Anthony Williams
// (C) Copyright 2011-2012 Vicente J. Botet Escriba
#ifndef BOOST_THREAD_LOCKABLE_TRAITS_HPP
#define BOOST_THREAD_LOCKABLE_TRAITS_HPP
#include <boost/thread/detail/config.hpp>
#include <boost/assert.hpp>
#include <boost/detail/workaround.hpp>
#include <boost/type_traits/is_class.hpp>
#include <boost/config/abi_prefix.hpp>
// todo make use of integral_constant, true_type and false_type
namespace boost
{
namespace sync
{
#if defined(BOOST_NO_SFINAE) || \
BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600)) || \
BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x590))
#if ! defined BOOST_THREAD_NO_AUTO_DETECT_MUTEX_TYPES
#define BOOST_THREAD_NO_AUTO_DETECT_MUTEX_TYPES
#endif
#endif
#ifndef BOOST_THREAD_NO_AUTO_DETECT_MUTEX_TYPES
namespace detail
{
#define BOOST_THREAD_DEFINE_HAS_MEMBER_CALLED(member_name) \
template<typename T, bool=boost::is_class<T>::value> \
struct has_member_called_##member_name \
{ \
BOOST_STATIC_CONSTANT(bool, value=false); \
}; \
\
template<typename T> \
struct has_member_called_##member_name<T,true> \
{ \
typedef char true_type; \
struct false_type \
{ \
true_type dummy[2]; \
}; \
\
struct fallback { int member_name; }; \
struct derived: \
T, fallback \
{ \
derived(); \
}; \
\
template<int fallback::*> struct tester; \
\
template<typename U> \
static false_type has_member(tester<&U::member_name>*); \
template<typename U> \
static true_type has_member(...); \
\
BOOST_STATIC_CONSTANT( \
bool, value=sizeof(has_member<derived>(0))==sizeof(true_type)); \
}
BOOST_THREAD_DEFINE_HAS_MEMBER_CALLED(lock)
; BOOST_THREAD_DEFINE_HAS_MEMBER_CALLED(unlock);
BOOST_THREAD_DEFINE_HAS_MEMBER_CALLED(try_lock);
template<typename T,bool=has_member_called_lock<T>::value >
struct has_member_lock
{
BOOST_STATIC_CONSTANT(bool, value=false);
};
template<typename T>
struct has_member_lock<T,true>
{
typedef char true_type;
struct false_type
{
true_type dummy[2];
};
template<typename U,typename V>
static true_type has_member(V (U::*)());
template<typename U>
static false_type has_member(U);
BOOST_STATIC_CONSTANT(
bool,value=sizeof(has_member_lock<T>::has_member(&T::lock))==sizeof(true_type));
};
template<typename T,bool=has_member_called_unlock<T>::value >
struct has_member_unlock
{
BOOST_STATIC_CONSTANT(bool, value=false);
};
template<typename T>
struct has_member_unlock<T,true>
{
typedef char true_type;
struct false_type
{
true_type dummy[2];
};
template<typename U,typename V>
static true_type has_member(V (U::*)());
template<typename U>
static false_type has_member(U);
BOOST_STATIC_CONSTANT(
bool,value=sizeof(has_member_unlock<T>::has_member(&T::unlock))==sizeof(true_type));
};
template<typename T,bool=has_member_called_try_lock<T>::value >
struct has_member_try_lock
{
BOOST_STATIC_CONSTANT(bool, value=false);
};
template<typename T>
struct has_member_try_lock<T,true>
{
typedef char true_type;
struct false_type
{
true_type dummy[2];
};
template<typename U>
static true_type has_member(bool (U::*)());
template<typename U>
static false_type has_member(U);
BOOST_STATIC_CONSTANT(
bool,value=sizeof(has_member_try_lock<T>::has_member(&T::try_lock))==sizeof(true_type));
};
}
template<typename T>
struct is_basic_lockable
{
BOOST_STATIC_CONSTANT(bool, value = detail::has_member_lock<T>::value &&
detail::has_member_unlock<T>::value);
};
template<typename T>
struct is_lockable
{
BOOST_STATIC_CONSTANT(bool, value =
is_basic_lockable<T>::value &&
detail::has_member_try_lock<T>::value);
};
#else
template<typename T>
struct is_basic_lockable
{
BOOST_STATIC_CONSTANT(bool, value = false);
};
template<typename T>
struct is_lockable
{
BOOST_STATIC_CONSTANT(bool, value = false);
};
#endif
template<typename T>
struct is_recursive_mutex_sur_parole
{
BOOST_STATIC_CONSTANT(bool, value = false);
};
template<typename T>
struct is_recursive_mutex_sur_parolle : is_recursive_mutex_sur_parole<T>
{
};
template<typename T>
struct is_recursive_basic_lockable
{
BOOST_STATIC_CONSTANT(bool, value = is_basic_lockable<T>::value &&
is_recursive_mutex_sur_parolle<T>::value);
};
template<typename T>
struct is_recursive_lockable
{
BOOST_STATIC_CONSTANT(bool, value = is_lockable<T>::value &&
is_recursive_mutex_sur_parolle<T>::value);
};
}
template<typename T>
struct is_mutex_type
{
BOOST_STATIC_CONSTANT(bool, value = sync::is_lockable<T>::value);
};
}
#include <boost/config/abi_suffix.hpp>
#endif
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