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livetrax/libs/pbd/pbd/tlsf.h

61 lines
1.6 KiB
C++

/*
* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _tlsf_h_
#define _tlsf_h_
#include <string>
#ifndef LIBPBD_API
#include "pbd/libpbd_visibility.h"
#endif
namespace PBD {
class LIBPBD_API TLSF
{
public:
TLSF (std::string name, size_t bytes);
~TLSF ();
void set_name (const std::string& n) { _name = n; }
static void * lalloc (void* pool, void* ptr, size_t /* oldsize*/, size_t newsize) {
return static_cast<TLSF*>(pool)->_realloc (ptr, newsize);
}
void* malloc (size_t size) { return _malloc (size); }
void* realloc (void *ptr, size_t newsize) { return _realloc (ptr, newsize); }
void free (void* ptr) { _free (ptr); }
size_t get_used_size () const;
size_t get_max_size () const;
private:
std::string _name;
char*_mp;
void* _malloc (size_t);
void* _realloc (void *, size_t);
void _free (void *);
};
} /* namespace */
#endif // _reallocpool_h_