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- // The -*- C++ -*- dynamic memory management header.
-
- // Copyright (C) 1994, 1996, 1997, 1998, 2000, 2001, 2002
- // Free Software Foundation
-
- // This file is part of GNU CC.
- //
- // GNU CC 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.
- //
- // GNU CC 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 GNU CC; 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>
-
- extern "C++" {
-
- namespace std
- {
- /** @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++"
-
- #endif
-