gcc/libstdc++-v3/include/ext/malloc_allocator.h
Benjamin Kosnik 5b9daa7e60 user.cfg.in: Tweaks.
2009-02-20  Benjamin Kosnik  <bkoz@redhat.com>

	* doc/doxygen/user.cfg.in: Tweaks.
	* doc/doxygen/doxygroups.cc: Prefer markup that can be elsewhere,
	be elsewhere.

	* include/tr1_impl/unordered_map: Just use most specialized
	container module.
	* include/tr1_impl/unordered_set: Same.
	* include/tr1_impl/array: Same.
	* include/bits/stl_list.h: Same.
	* include/bits/stl_map.h: Same.
	* include/bits/stl_queue.h: Same.
	* include/bits/stl_set.h: Same.
	* include/bits/stl_stack.h: Same.
	* include/bits/forward_list.h: Same.
	* include/bits/basic_string.h: Same.
	* include/bits/stl_multimap.h: Same.
	* include/bits/stl_vector.h: Same.
	* include/bits/stl_deque.h: Same.
	* include/bits/stl_multiset.h: Same.
	* include/bits/stl_bvector.h: Same.

	* include/backward/binders.h: Change binder module to binders.

	* include/std/complex: Add complex_numers module.
	* include/tr1_impl/complex: Same.

	* include/std/valarray: Add numeric_arrays module.
	* include/bits/gslice_array.h: Same.
	* include/bits/gslice.h: Same.
	* include/bits/mask_array.h: Same.
	* include/bits/slice_array.h: Same.
	* include/bits/indirect_array.h: Same.

	* include/bits/allocator.h: Add allocators module.
	* include/ext/throw_allocator.h
	* include/ext/pool_allocator.h
	* include/ext/bitmap_allocator.h
	* include/ext/new_allocator.h
	* include/ext/malloc_allocator.h
	* include/ext/array_allocator.h
	* include/ext/mt_allocator.h
	* include/ext/debug_allocator.h
	* include/ext/extptr_allocator.h

	* include/tr1_impl/functional: Move namespace markup here.
	* include/tr1_impl/regex: Same.

	* include/tr1_impl/type_traits: Add metaprogramming module.
	* include/std/type_traits: Same.

	* include/std/memory: Add memory module.

	* include/std/ratio: Add ratio module.

	* include/std/chrono: Move namespace markup here, add time module.

	* include/std/thread: Move namespace markup here, add concurrency
	module.
	* include/std/mutex: Use concurrency module.
	* include/std/condition_variable: Same.


	* include/bits/ios_base.h: Refine io module.
	* include/bits/basic_ios.h: Same.
	* include/std/fstream: Same.
	* include/std/istream: Same.
	* include/std/ostream: Same.
	* include/std/sstream: Same.

	* include/ext/vstring.h: Correct parameter markup.

	* include/bits/shared_ptr.h: Add pointer_abstractions module.
	* include/bits/unique_ptr.h: Same.

	* include/bits/algorithmfwd.h: Add mutating_algorithms,
        non_mutating_algorithms, sorting_algorithms. Adjust nesting.
	* include/bits/stl_heap.h: Add markup for new groupings.
	* include/bits/stl_algobase.h: Same.
	* include/bits/stl_algo.h: Same.

	* include/c_compatibility/stdatomic.h: Add atomics module.
	* include/c_global/cstdatomic: Same.

	* libsupc++/exception: Add exceptions module.
	* libsupc++/typeinfo: Same.
	* libsupc++/new: Same.
	* libsupc++/exception_ptr.h: Same.
	* include/std/system_error: Same.
	* include/std/stdexcept: Same.

	* libsupc++/cxxabi.h: Move doxygroups.cc markup here.
	* libsupc++/cxxabi-forced.h: Same.

	* testsuite/27_io/ios_base/cons/assign_neg.cc: Fix up line numbers.
	* testsuite/27_io/ios_base/cons/copy_neg.cc: Same.
	* testsuite/30_threads/condition_variable_any/cons/assign_neg.cc: Same.
	* testsuite/30_threads/condition_variable_any/cons/copy_neg.cc: Same.
	* testsuite/30_threads/mutex/cons/assign_neg.cc: Same.
	* testsuite/30_threads/mutex/cons/copy_neg.cc: Same.
	* testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Same.
	* testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Same.
	* testsuite/30_threads/thread/cons/assign_neg.cc: Same.
	* testsuite/30_threads/thread/cons/copy_neg.cc: Same.
	* testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Same.
	* testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Same.
	* testsuite/30_threads/condition_variable/cons/assign_neg.cc: Same.
	* testsuite/30_threads/condition_variable/cons/copy_neg.cc: Same.
	* testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc: Same.
	* testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc: Same.
	* testsuite/29_atomics/atomic/cons/assign_neg.cc: Same.
	* testsuite/29_atomics/atomic/cons/copy_neg.cc: Same.
	* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc: Same.
	* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc: Same.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_1_neg.cc: Same.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_2_neg.cc: Same.
	* testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Same.
	* testsuite/23_containers/deque/requirements/dr438/insert_neg.cc: Same.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_1_neg.cc: Same.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_2_neg.cc: Same.
	* testsuite/23_containers/list/requirements/dr438/assign_neg.cc: Same.
	* testsuite/23_containers/list/requirements/dr438/insert_neg.cc: Same.
	* testsuite/23_containers/list/requirements/dr438/
	constructor_1_neg.cc: Same.
	* testsuite/23_containers/list/requirements/dr438/
	constructor_2_neg.cc: Same.
	* testsuite/20_util/duration/cons/1_neg.cc: Same.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Same.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Same.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Same.
	* testsuite/20_util/unique_ptr/modifiers/reset_neg.cc: Same.
	* testsuite/20_util/unique_ptr/assign/assign.cc: Same.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Same.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Same.
	* testsuite/20_util/ratio/cons/cons_overflow.cc: Same.
	* testsuite/20_util/ratio/operations/ops_overflow.cc: Same.

From-SVN: r144343
2009-02-21 00:45:21 +00:00

140 lines
4.2 KiB
C++

// Allocator that wraps "C" malloc -*- C++ -*-
// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library 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 2, 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 General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
/** @file ext/malloc_allocator.h
* This file is a GNU extension to the Standard C++ Library.
*/
#ifndef _MALLOC_ALLOCATOR_H
#define _MALLOC_ALLOCATOR_H 1
#include <cstdlib>
#include <new>
#include <bits/functexcept.h>
#include <bits/move.h>
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
using std::size_t;
using std::ptrdiff_t;
/**
* @brief An allocator that uses malloc.
* @ingroup allocators
*
* This is precisely the allocator defined in the C++ Standard.
* - all allocation calls malloc
* - all deallocation calls free
*/
template<typename _Tp>
class malloc_allocator
{
public:
typedef size_t size_type;
typedef ptrdiff_t difference_type;
typedef _Tp* pointer;
typedef const _Tp* const_pointer;
typedef _Tp& reference;
typedef const _Tp& const_reference;
typedef _Tp value_type;
template<typename _Tp1>
struct rebind
{ typedef malloc_allocator<_Tp1> other; };
malloc_allocator() throw() { }
malloc_allocator(const malloc_allocator&) throw() { }
template<typename _Tp1>
malloc_allocator(const malloc_allocator<_Tp1>&) throw() { }
~malloc_allocator() throw() { }
pointer
address(reference __x) const { return &__x; }
const_pointer
address(const_reference __x) const { return &__x; }
// NB: __n is permitted to be 0. The C++ standard says nothing
// about what the return value is when __n == 0.
pointer
allocate(size_type __n, const void* = 0)
{
if (__builtin_expect(__n > this->max_size(), false))
std::__throw_bad_alloc();
pointer __ret = static_cast<_Tp*>(std::malloc(__n * sizeof(_Tp)));
if (!__ret)
std::__throw_bad_alloc();
return __ret;
}
// __p is not permitted to be a null pointer.
void
deallocate(pointer __p, size_type)
{ std::free(static_cast<void*>(__p)); }
size_type
max_size() const throw()
{ return size_t(-1) / sizeof(_Tp); }
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 402. wrong new expression in [some_] allocator::construct
void
construct(pointer __p, const _Tp& __val)
{ ::new((void *)__p) value_type(__val); }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template<typename... _Args>
void
construct(pointer __p, _Args&&... __args)
{ ::new((void *)__p) _Tp(std::forward<_Args>(__args)...); }
#endif
void
destroy(pointer __p) { __p->~_Tp(); }
};
template<typename _Tp>
inline bool
operator==(const malloc_allocator<_Tp>&, const malloc_allocator<_Tp>&)
{ return true; }
template<typename _Tp>
inline bool
operator!=(const malloc_allocator<_Tp>&, const malloc_allocator<_Tp>&)
{ return false; }
_GLIBCXX_END_NAMESPACE
#endif