mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-21 13:09:52 +08:00
669f7a035a
2001-07-11 Phil Edwards <pme@sources.redhat.com> * docs/doxygen/run_doxygen: Don't keep output from previous run. * docs/doxygen/user.cfg.in: Tweaks. * include/bits/c++config: Documentation comments for Doxygen. * include/bits/char_traits.h: Likewise. * include/bits/limits_generic.h: Likewise. * include/bits/std_stdexcept.h: Likewise. * include/bits/stl_pair.h: Likewise. * libsupc++/exception: Likewise. * libsupc++/new: Likewise. * libsupc++/typeinfo: Likewise. * libmath/Makefile.am: Update and correct copyright. From-SVN: r43948
92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
// The -*- C++ -*- dynamic memory management header.
|
|
|
|
// Copyright (C) 1994, 1996, 1997, 1998, 2000, 2001 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
|
|
* This header 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() { }
|
|
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);
|
|
} // 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 *place) throw() { return place; }
|
|
inline void *operator new[](std::size_t, void *place) throw() { return place; }
|
|
//@}
|
|
} // extern "C++"
|
|
|
|
#endif
|