67 lines
2.7 KiB
C++
67 lines
2.7 KiB
C++
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// (C) Copyright Ion Gaztanaga 2015-2015. 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/libs/container for documentation.
|
||
|
|
//
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#ifndef BOOST_CONTAINER_PMR_GLOBAL_RESOURCE_HPP
|
||
|
|
#define BOOST_CONTAINER_PMR_GLOBAL_RESOURCE_HPP
|
||
|
|
|
||
|
|
#if defined (_MSC_VER)
|
||
|
|
# pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <boost/container/detail/config_begin.hpp>
|
||
|
|
#include <boost/container/detail/workaround.hpp>
|
||
|
|
#include <boost/container/detail/auto_link.hpp>
|
||
|
|
|
||
|
|
#include <cstddef>
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
namespace container {
|
||
|
|
namespace pmr {
|
||
|
|
|
||
|
|
/// @cond
|
||
|
|
class memory_resource;
|
||
|
|
/// @endcond
|
||
|
|
|
||
|
|
//! <b>Returns</b>: A pointer to a static-duration object of a type derived from
|
||
|
|
//! memory_resource that can serve as a resource for allocating memory using
|
||
|
|
//! global `operator new` and global `operator delete`. The same value is returned every time this function
|
||
|
|
//! is called. For return value p and memory resource r, p->is_equal(r) returns &r == p.
|
||
|
|
BOOST_CONTAINER_DECL memory_resource* new_delete_resource() BOOST_NOEXCEPT;
|
||
|
|
|
||
|
|
//! <b>Returns</b>: A pointer to a static-duration object of a type derived from
|
||
|
|
//! memory_resource for which allocate() always throws bad_alloc and for which
|
||
|
|
//! deallocate() has no effect. The same value is returned every time this function
|
||
|
|
//! is called. For return value p and memory resource r, p->is_equal(r) returns &r == p.
|
||
|
|
BOOST_CONTAINER_DECL memory_resource* null_memory_resource() BOOST_NOEXCEPT;
|
||
|
|
|
||
|
|
//! <b>Effects</b>: If r is non-null, sets the value of the default memory resource
|
||
|
|
//! pointer to r, otherwise sets the default memory resource pointer to new_delete_resource().
|
||
|
|
//!
|
||
|
|
//! <b>Postconditions</b>: get_default_resource() == r.
|
||
|
|
//!
|
||
|
|
//! <b>Returns</b>: The previous value of the default memory resource pointer.
|
||
|
|
//!
|
||
|
|
//! <b>Remarks</b>: Calling the set_default_resource and get_default_resource functions shall
|
||
|
|
//! not incur a data race. A call to the set_default_resource function shall synchronize
|
||
|
|
//! with subsequent calls to the set_default_resource and get_default_resource functions.
|
||
|
|
BOOST_CONTAINER_DECL memory_resource* set_default_resource(memory_resource* r) BOOST_NOEXCEPT;
|
||
|
|
|
||
|
|
//! <b>Returns</b>: The current value of the default
|
||
|
|
//! memory resource pointer.
|
||
|
|
BOOST_CONTAINER_DECL memory_resource* get_default_resource() BOOST_NOEXCEPT;
|
||
|
|
|
||
|
|
} //namespace pmr {
|
||
|
|
} //namespace container {
|
||
|
|
} //namespace boost {
|
||
|
|
|
||
|
|
#include <boost/container/detail/config_end.hpp>
|
||
|
|
|
||
|
|
#endif //BOOST_CONTAINER_PMR_GLOBAL_RESOURCE_HPP
|