95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
// Filename: pallocator.h
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// Created by: drose (05Jun01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef PALLOCATOR_H
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#define PALLOCATOR_H
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#include <memory>
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#include "dtoolbase.h"
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////////////////////////////////////////////////////////////////////
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// Class : pallocator
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// Description : This is our own Panda specialization on the default
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// STL allocator. Its main purpose is to call the hooks
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// for MemoryUsage to properly track STL-allocated
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// memory.
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//
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// pvector, pmap, etc. are all defined in this directory
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// to use a pallocator.
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////////////////////////////////////////////////////////////////////
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#if defined(UNKNOWN_ALLOCATOR)
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#define pallocator allocator
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#elif defined(OLD_STYLE_ALLOCATOR)
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// Early versions of gcc wanted to use its own kind of allocator,
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// somewhat different from the STL standard. Irix uses this one too.
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// It might be inherited from an early draft of the STL standard.
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template<class Type>
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class pallocator : public alloc {
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public:
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#ifndef NDEBUG
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INLINE static Type *allocate(size_t n);
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INLINE static void deallocate(void *p, size_t n);
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#endif // NDEBUG
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};
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#elif defined(GNU_STYLE_ALLOCATOR)
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// Later versions of gcc want to use a still different, nonstandard
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// definition. Sheesh.
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template<class Type>
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class pallocator : public allocator<Type> {
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public:
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INLINE pallocator();
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template<class _Tp1>
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INLINE pallocator(const pallocator<_Tp1> &other);
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#ifndef NDEBUG
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INLINE Type *allocate(size_t n);
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INLINE void deallocate(void *p, size_t n);
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#endif // NDEBUG
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template <class _Tp1> struct rebind {
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typedef pallocator<_Tp1> other;
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};
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};
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#else // *_STYLE_ALLOCATOR
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// This is the correct allocator declaration as the current C++
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// standard defines it.
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template<class Type>
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class pallocator : public allocator<Type> {
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public:
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#ifndef NDEBUG
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INLINE pointer allocate(size_type n, allocator<void>::const_pointer hint = 0);
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INLINE void deallocate(void *p, size_type n);
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#endif // NDEBUG
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};
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#endif // *_STYLE_ALLOCATOR
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#if !defined(UNKNOWN_ALLOCATOR)
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#include "pallocator.T"
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#endif
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#endif
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