/usr/include/boost/pool/singleton_pool.hpp is in libboost1.46-dev 1.46.1-7ubuntu3.
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 | // Copyright (C) 2000, 2001 Stephen Cleary
//
// 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)
//
// See http://www.boost.org for updates, documentation, and revision history.
#ifndef BOOST_SINGLETON_POOL_HPP
#define BOOST_SINGLETON_POOL_HPP
#include <boost/pool/poolfwd.hpp>
// boost::pool
#include <boost/pool/pool.hpp>
// boost::details::pool::singleton_default
#include <boost/pool/detail/singleton.hpp>
// boost::details::pool::guard
#include <boost/pool/detail/guard.hpp>
namespace boost {
//
// The singleton_pool class allows other pool interfaces for types of the same
// size to share the same pool
//
template <typename Tag, unsigned RequestedSize,
typename UserAllocator,
typename Mutex,
unsigned NextSize,
unsigned MaxSize>
struct singleton_pool
{
public:
typedef Tag tag;
typedef Mutex mutex;
typedef UserAllocator user_allocator;
typedef typename pool<UserAllocator>::size_type size_type;
typedef typename pool<UserAllocator>::difference_type difference_type;
BOOST_STATIC_CONSTANT(unsigned, requested_size = RequestedSize);
BOOST_STATIC_CONSTANT(unsigned, next_size = NextSize);
private:
struct pool_type: Mutex
{
pool<UserAllocator> p;
pool_type():p(RequestedSize, NextSize) { }
};
typedef details::pool::singleton_default<pool_type> singleton;
singleton_pool();
public:
static void * malloc BOOST_PREVENT_MACRO_SUBSTITUTION()
{
pool_type & p = singleton::instance();
details::pool::guard<Mutex> g(p);
return (p.p.malloc)();
}
static void * ordered_malloc()
{
pool_type & p = singleton::instance();
details::pool::guard<Mutex> g(p);
return p.p.ordered_malloc();
}
static void * ordered_malloc(const size_type n)
{
pool_type & p = singleton::instance();
details::pool::guard<Mutex> g(p);
return p.p.ordered_malloc(n);
}
static bool is_from(void * const ptr)
{
pool_type & p = singleton::instance();
details::pool::guard<Mutex> g(p);
return p.p.is_from(ptr);
}
static void free BOOST_PREVENT_MACRO_SUBSTITUTION(void * const ptr)
{
pool_type & p = singleton::instance();
details::pool::guard<Mutex> g(p);
(p.p.free)(ptr);
}
static void ordered_free(void * const ptr)
{
pool_type & p = singleton::instance();
details::pool::guard<Mutex> g(p);
p.p.ordered_free(ptr);
}
static void free BOOST_PREVENT_MACRO_SUBSTITUTION(void * const ptr, const size_type n)
{
pool_type & p = singleton::instance();
details::pool::guard<Mutex> g(p);
(p.p.free)(ptr, n);
}
static void ordered_free(void * const ptr, const size_type n)
{
pool_type & p = singleton::instance();
details::pool::guard<Mutex> g(p);
p.p.ordered_free(ptr, n);
}
static bool release_memory()
{
pool_type & p = singleton::instance();
details::pool::guard<Mutex> g(p);
return p.p.release_memory();
}
static bool purge_memory()
{
pool_type & p = singleton::instance();
details::pool::guard<Mutex> g(p);
return p.p.purge_memory();
}
};
} // namespace boost
#endif
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