/usr/include/taglib/trefcounter.h is in libtag1-dev 1.9.1-2.4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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copyright : (C) 2013 by Tsuda Kageyu
email : tsuda.kageyu@gmail.com
***************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* 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 *
* *
* Alternatively, this file is available under the Mozilla Public *
* License Version 1.1. You may obtain a copy of the License at *
* http://www.mozilla.org/MPL/ *
***************************************************************************/
#ifndef TAGLIB_REFCOUNTER_H
#define TAGLIB_REFCOUNTER_H
#include "taglib_export.h"
#include "taglib.h"
#ifdef __APPLE__
# include <libkern/OSAtomic.h>
# define TAGLIB_ATOMIC_MAC
#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
# define NOMINMAX
# include <windows.h>
# define TAGLIB_ATOMIC_WIN
#elif defined (__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 401) \
&& (defined(__i386__) || defined(__i486__) || defined(__i586__) || \
defined(__i686__) || defined(__x86_64) || defined(__ia64)) \
&& !defined(__INTEL_COMPILER)
# define TAGLIB_ATOMIC_GCC
#elif defined(__ia64) && defined(__INTEL_COMPILER)
# include <ia64intrin.h>
# define TAGLIB_ATOMIC_GCC
#endif
#ifndef DO_NOT_DOCUMENT // Tell Doxygen to skip this class.
/*!
* \internal
* This is just used as a base class for shared classes in TagLib.
*
* \warning This <b>is not</b> part of the TagLib public API!
*/
namespace TagLib
{
class TAGLIB_EXPORT RefCounter
{
public:
RefCounter();
virtual ~RefCounter();
void ref();
bool deref();
int count() const;
private:
class RefCounterPrivate;
RefCounterPrivate *d;
};
// BIC this old class is needed by tlist.tcc and tmap.tcc
class RefCounterOld
{
public:
RefCounterOld() : refCount(1) {}
#ifdef TAGLIB_ATOMIC_MAC
void ref() { OSAtomicIncrement32Barrier(const_cast<int32_t*>(&refCount)); }
bool deref() { return ! OSAtomicDecrement32Barrier(const_cast<int32_t*>(&refCount)); }
int32_t count() { return refCount; }
private:
volatile int32_t refCount;
#elif defined(TAGLIB_ATOMIC_WIN)
void ref() { InterlockedIncrement(&refCount); }
bool deref() { return ! InterlockedDecrement(&refCount); }
long count() { return refCount; }
private:
volatile long refCount;
#elif defined(TAGLIB_ATOMIC_GCC)
void ref() { __sync_add_and_fetch(&refCount, 1); }
bool deref() { return ! __sync_sub_and_fetch(&refCount, 1); }
int count() { return refCount; }
private:
volatile int refCount;
#else
void ref() { refCount++; }
bool deref() { return ! --refCount; }
int count() { return refCount; }
private:
uint refCount;
#endif
};
}
#endif // DO_NOT_DOCUMENT
#endif
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