ListGC.h

/*
 *  ListGC class interface
 *
 *  This file is part of OTAWA
 *  Copyright (c) 2010, IRIT UPS.
 *
 *  OTAWA 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 of the License, or
 *  (at your option) any later version.
 *
 *  OTAWA 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 OTAWA; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef ELM_ALLOC_LISTGC__H_
#define ELM_ALLOC_LISTGC__H_
 
#include <elm/alloc/AbstractGC.h>
 
namespace elm {
 
class ListGC: public AbstractGC {
    class block_t;
public:
 
    ListGC(GCManager& m, int limit = 1024);
    ~ListGC();
 
    void *allocate(t::size size) override;
    void runGC() override;
    bool mark(void *data, t::size size) override;
    void disable() override;
    void enable() override;
    void clean() override;
 
private:
    inline bool gcNeeded() const { return !dis && cnt - lcnt > lim; }
    int lcnt, cnt, lim;
    block_t *head;
    bool dis;
};
 
} // elm
 
#endif /* ELM_ALLOC_LISTGC__H_ */