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// The -*- C++ -*- dynamic memory management header.

// Copyright (C) 1994-2015 Free Software Foundation, Inc.

// 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 3, 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.

//

// Under Section 7 of GPL version 3, you are granted additional

// permissions described in the GCC Runtime Library Exception, version

// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and

// a copy of the GCC Runtime Library Exception along with this program;

// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

// .

/** @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

#pragma GCC system_header

#include 

#include 

#pragma GCC visibility push(default)

extern "C++" {

namespace std

{

  /**

   *  @brief  Exception possibly thrown by @c new.

   *  @ingroup exceptions

   *

   *  @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();

    // See comment in eh_exception.cc.

    virtual const char* what() const throw();

  };

#if __cplusplus >= 201103L

  class bad_array_new_length : public bad_alloc

  {

  public:

    bad_array_new_length() throw() { };

    // This declaration is not useless:

    // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118

    virtual ~bad_array_new_length() throw();

    // See comment in eh_exception.cc.

    virtual const char* what() const throw();

  };

#endif

  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();

#if __cplusplus >= 201103L

  /// Return the current new handler.

  new_handler get_new_handler() noexcept;

#endif

} // 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) _GLIBCXX_THROW (std::bad_alloc)

  __attribute__((__externally_visible__));

void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)

  __attribute__((__externally_visible__));

void operator delete(void*) _GLIBCXX_USE_NOEXCEPT

  __attribute__((__externally_visible__));

void operator delete[](void*) _GLIBCXX_USE_NOEXCEPT

  __attribute__((__externally_visible__));

void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT

  __attribute__((__externally_visible__));

void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT

  __attribute__((__externally_visible__));

void operator delete(void*, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT

  __attribute__((__externally_visible__));

void operator delete[](void*, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT

  __attribute__((__externally_visible__));

// Default placement versions of operator new.

inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT

{ return __p; }

inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT

{ return __p; }

// Default placement versions of operator delete.

inline void operator delete  (void*, void*) _GLIBCXX_USE_NOEXCEPT { }

inline void operator delete[](void*, void*) _GLIBCXX_USE_NOEXCEPT { }

//@}

} // extern "C++"

#pragma GCC visibility pop

#endif