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authorN.N. <matju@users.sourceforge.net>2009-10-18 20:01:19 +0000
committerN.N. <matju@users.sourceforge.net>2009-10-18 20:01:19 +0000
commitccddec68116fc6403858ebfa13d4a7b1aa3d5278 (patch)
tree6b90e41b15bbf2440afa76d53cc436debf5b5c5b /externals/gridflow/base/new.h
parenta1fb215b39535805aa19608185d5e52c0f524b42 (diff)
hi gridflow 0.9.5
svn path=/trunk/; revision=12611
Diffstat (limited to 'externals/gridflow/base/new.h')
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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 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
+// because of gcc 3.3
+#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.
+*/
+
+ALLOCPREFIX void* operator new(std::size_t) throw (std::bad_alloc);
+ALLOCPREFIX void* operator new[](std::size_t) throw (std::bad_alloc);
+ALLOCPREFIX void operator delete(void*) throw();
+ALLOCPREFIX void operator delete[](void*) throw();
+ALLOCPREFIX void* operator new(std::size_t, const std::nothrow_t&) throw();
+ALLOCPREFIX void* operator new[](std::size_t, const std::nothrow_t&) throw();
+ALLOCPREFIX void operator delete(void*, const std::nothrow_t&) throw();
+ALLOCPREFIX 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