/usr/include/shogun/base/SGRefObject.h is in libshogun-dev 3.2.0-7.3build4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | /*
* 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 3 of the License, or
* (at your option) any later version.
*
* Written (W) 2008-2010 Soeren Sonnenburg
* Written (W) 2011-2013 Heiko Strathmann
* Written (W) 2013 Thoralf Klein
* Copyright (C) 2008-2010 Fraunhofer Institute FIRST and Max Planck Society
*/
#ifndef __SGREFOBJECT_H__
#define __SGREFOBJECT_H__
#include <shogun/lib/config.h>
#include <shogun/lib/common.h>
#include <shogun/lib/DataType.h>
#include <shogun/lib/RefCount.h>
/** \namespace shogun
* @brief all of classes and functions are contained in the shogun namespace
*/
namespace shogun
{
// define reference counter macros
//
#ifdef USE_REFERENCE_COUNTING
#define SG_REF(x) { if (x) (x)->ref(); }
#define SG_UNREF(x) { if (x) { if ((x)->unref()==0) (x)=NULL; } }
#define SG_UNREF_NO_NULL(x) { if (x) { (x)->unref(); } }
#else
#define SG_REF(x)
#define SG_UNREF(x)
#define SG_UNREF_NO_NULL(x)
#endif
/** @brief Class SGRefObject is a reference count based memory management class
*
* It deals with reference counting that is used to manage shogun
* objects in memory (erase unused object, avoid cleaning objects when they are
* still in use)
*
*/
class SGRefObject
{
public:
/** default constructor */
SGRefObject();
/** copy constructor */
SGRefObject(const SGRefObject& orig);
/** destructor */
virtual ~SGRefObject();
#ifdef USE_REFERENCE_COUNTING
/** increase reference counter
*
* @return reference count
*/
int32_t ref();
/** display reference counter
*
* @return reference count
*/
int32_t ref_count();
/** decrement reference counter and deallocate object if refcount is zero
* before or after decrementing it
*
* @return reference count
*/
int32_t unref();
#endif //USE_REFERENCE_COUNTING
/** Returns the name of the SGSerializable instance. It MUST BE
* the CLASS NAME without the prefixed `C'.
*
* @return name of the SGSerializable
*/
virtual const char* get_name() const = 0;
#ifdef TRACE_MEMORY_ALLOCS
static void list_memory_allocs()
{
shogun::list_memory_allocs();
}
#endif
private:
void init();
private:
RefCount* m_refcount;
};
}
#endif // __SGREFOBJECT_H__
|