// The -*- C++ -*- dynamic memory management header. // Copyright (C) 1994, 1996, 1997, 1998, 2000, 2001, 2002 // 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, 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. /** @file new * 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#SEC118 virtual ~bad_alloc() 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