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Diffstat (limited to 'libstdc++-v3/testsuite/util/performance/mem/mem_track_allocator.hpp')
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1 files changed, 189 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/util/performance/mem/mem_track_allocator.hpp b/libstdc++-v3/testsuite/util/performance/mem/mem_track_allocator.hpp new file mode 100644 index 00000000000..d119e95c2cd --- /dev/null +++ b/libstdc++-v3/testsuite/util/performance/mem/mem_track_allocator.hpp @@ -0,0 +1,189 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006 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, 59 Temple Place - Suite 330, Boston, +// MA 02111-1307, 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. + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file mem_track_allocator.hpp + * Contains a memory-tracking allocator used for tests. + */ + +#ifndef PB_DS_MEM_TRACK_ALLOCATOR_HPP +#define PB_DS_MEM_TRACK_ALLOCATOR_HPP + +#include <performance/mem/mem_track_allocator_base.hpp> + +namespace pb_ds +{ + + namespace test + { + +#define PB_DS_CLASS_T_DEC \ + template<typename T> + +#define PB_DS_CLASS_C_DEC \ + mem_track_allocator< \ + T> + + template<typename T> + class mem_track_allocator : public detail::mem_track_allocator_base + { + public: + typedef size_t size_type; + typedef ptrdiff_t difference_type; + typedef T* pointer; + typedef const T* const_pointer; + typedef T& reference; + typedef const T& const_reference; + typedef T value_type; + + template<typename U> + struct rebind + { + typedef mem_track_allocator<U> other; + }; + + mem_track_allocator() throw(); + + mem_track_allocator(const PB_DS_CLASS_C_DEC& ) throw(); + + template <class U> + mem_track_allocator(const mem_track_allocator<U>& ) throw(); + + ~mem_track_allocator() throw(); + + size_type + max_size() const throw(); + + pointer + allocate(size_type num, std::allocator<void>::const_pointer hint = 0); + + void + construct(pointer p, const T& r_val); + + void + destroy(pointer p); + + void + deallocate(pointer p, size_type num); + }; + + PB_DS_CLASS_T_DEC + bool + operator==(const PB_DS_CLASS_C_DEC& , const PB_DS_CLASS_C_DEC& ) + { + return true; + } + + PB_DS_CLASS_T_DEC + PB_DS_CLASS_C_DEC:: + mem_track_allocator() throw() + { } + + PB_DS_CLASS_T_DEC + PB_DS_CLASS_C_DEC:: + mem_track_allocator(const PB_DS_CLASS_C_DEC& ) throw() + { } + + PB_DS_CLASS_T_DEC + template<typename U> + PB_DS_CLASS_C_DEC:: + mem_track_allocator(const mem_track_allocator<U>& ) throw() + { } + + PB_DS_CLASS_T_DEC + PB_DS_CLASS_C_DEC:: + ~mem_track_allocator() throw() + { } + + PB_DS_CLASS_T_DEC + typename PB_DS_CLASS_C_DEC::size_type + PB_DS_CLASS_C_DEC:: + max_size() const throw() + { + return (std::allocator<T>().max_size()); + } + + PB_DS_CLASS_T_DEC + typename PB_DS_CLASS_C_DEC::pointer + PB_DS_CLASS_C_DEC:: + allocate(size_type num, std::allocator<void>::const_pointer hint/*= 0*/) + { + T* const a_t = std::allocator<T>().allocate(num, hint); + + inc(sizeof(T)* num); + + return (a_t); + } + + PB_DS_CLASS_T_DEC + void + PB_DS_CLASS_C_DEC:: + construct(pointer p, const T& r_val) + { + return (std::allocator<T>().construct(p, r_val)); + } + + PB_DS_CLASS_T_DEC + void + PB_DS_CLASS_C_DEC:: + destroy(pointer p) + { + std::allocator<T>().destroy(p); + } + + PB_DS_CLASS_T_DEC + void + PB_DS_CLASS_C_DEC:: + deallocate(pointer p, size_type num) + { + std::allocator<T>().deallocate(p, num); + + dec(sizeof(T)* num); + } + +#undef PB_DS_CLASS_T_DEC +#undef PB_DS_CLASS_C_DEC + + } // namespace test + +} // namespace pb_ds + +#endif // #ifndef PB_DS_MEM_TRACK_ALLOCATOR_HPP |