From ce4a32fe52ef09d8f5ff1dd22c001110902b60a2 Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kjs/collector.h | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 kjs/collector.h (limited to 'kjs/collector.h') diff --git a/kjs/collector.h b/kjs/collector.h new file mode 100644 index 000000000..439c14850 --- /dev/null +++ b/kjs/collector.h @@ -0,0 +1,74 @@ +// -*- c-basic-offset: 2 -*- +/* + * This file is part of the KDE libraries + * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) + * Copyright (C) 2001 Peter Kelly (pmk@post.com) + * Copyright (C) 2003 Apple Computer, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifndef _KJSCOLLECTOR_H_ +#define _KJSCOLLECTOR_H_ + +#define KJS_MEM_LIMIT 500000 + +#include "global.h" + +#include // for size_t + +namespace KJS { + + /** + * @short Garbage collector. + */ + class Collector { + // disallow direct construction/destruction + Collector(); + public: + /** + * Register an object with the collector. The following assumptions are + * made: + * @li the operator new() of the object class is overloaded. + * @li operator delete() has been overloaded as well and does not free + * the memory on its own. + * + * @param s Size of the memory to be registered. + * @return A pointer to the allocated memory. + */ + static void* allocate(size_t s); + /** + * Run the garbage collection. This involves calling the delete operator + * on each object and freeing the used memory. + */ + static bool collect(); + static int size(); + static bool outOfMemory() { return memoryFull; } + +#ifdef KJS_DEBUG_MEM + /** + * Check that nothing is left when the last interpreter gets deleted + */ + static void finalCheck(); +#endif + + private: + static bool memoryFull; + }; + +} + +#endif /* _KJSCOLLECTOR_H_ */ -- cgit v1.2.1