mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-29 20:55:41 +08:00
cbecceb923
2003-05-24 Nathanael Nerode <neroden@gcc.gnu.org> * libsupc++/Makefile.am, libsupc++/cxxabi.h, libsupc++/del_op.cc, libsupc++/del_opnt.cc, libsupc++/del_opv.cc, libsupc++/del_opvnt.cc, libsupc++/eh_alloc.cc, libsupc++/eh_aux_runtime.cc, libsupc++/eh_catch.cc, libsupc++/eh_exception.cc, libsupc++/eh_globals.cc, libsupc++/eh_personality.cc, libsupc++/eh_term_handler.cc, libsupc++/eh_terminate.cc, libsupc++/eh_throw.cc, libsupc++/eh_type.cc, libsupc++/eh_unex_handler.cc, libsupc++/exception, libsupc++/new, libsupc++/new_handler.cc, libsupc++/new_op.cc, libsupc++/new_opnt.cc, libsupc++/new_opv.cc, libsupc++/new_opvnt.cc, libsupc++/pure.cc, libsupc++/tinfo.cc, libsupc++/tinfo2.cc, libsupc++/typeinfo, libsupc++/unwind-cxx.h, libsupc++/vec.cc: Replace "GNU CC" with "GCC". From-SVN: r67155
102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
// 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>
|
|
|
|
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++"
|
|
|
|
#endif
|