// The -*- C++ -*- dynamic memory management header.// Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,// 2003, 2004, 2005, 2006, 2007// Free Software Foundation// This file is part of GCC.//// GCC 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.//// GCC 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 GCC; 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 new* This is a Standard C++ Library header.** The header @c new defines several functions to manage dynamic memory and* handling memory allocation errors; see* http://gcc.gnu.org/onlinedocs/libstdc++/18_support/howto.html#4 for more.*/#ifndef _NEW#define _NEW#include <cstddef>#include <exception>#pragma GCC visibility push(default)extern "C++" {namespace std{/*** @brief Exception possibly thrown by @c new.** @c bad_alloc (or classes derived from it) is used to report allocation* errors from the throwing forms of @c new. */class bad_alloc : public exception{public:bad_alloc() throw() { }// This declaration is not useless:// http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118virtual ~bad_alloc() throw();// See comment in eh_exception.cc.virtual const char* what() const throw();};struct nothrow_t { };extern const nothrow_t nothrow;/** If you write your own error handler to be called by @c new, it must* be of this type. */typedef void (*new_handler)();/// Takes a replacement handler as the argument, returns the/// previous handler.new_handler set_new_handler(new_handler) throw();} // namespace std//@{/** These are replaceable signatures:* - normal single new and delete (no arguments, throw @c bad_alloc on error)* - normal array new and delete (same)* - @c nothrow single new and delete (take a @c nothrow argument, return* @c NULL on error)* - @c nothrow array new and delete (same)** Placement new and delete signatures (take a memory address argument,* does nothing) may not be replaced by a user's program.*/void* operator new(std::size_t) throw (std::bad_alloc);void* operator new[](std::size_t) throw (std::bad_alloc);void operator delete(void*) throw();void operator delete[](void*) throw();void* operator new(std::size_t, const std::nothrow_t&) throw();void* operator new[](std::size_t, const std::nothrow_t&) throw();void operator delete(void*, const std::nothrow_t&) throw();void operator delete[](void*, const std::nothrow_t&) throw();// Default placement versions of operator new.inline void* operator new(std::size_t, void* __p) throw() { return __p; }inline void* operator new[](std::size_t, void* __p) throw() { return __p; }// Default placement versions of operator delete.inline void operator delete (void*, void*) throw() { }inline void operator delete[](void*, void*) throw() { }//@}} // extern "C++"#pragma GCC visibility pop#endif