AtomicPtr.hpp
/* This file is part of Raul.
* Copyright (C) 2007-2009 David Robillard <http://drobilla.net>
*
* Raul 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.
*
* Raul 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef RAUL_ATOMIC_PTR_HPP
#define RAUL_ATOMIC_PTR_HPP
#include <glib.h>
namespace Raul {
template<typename T>
class AtomicPtr {
public:
inline AtomicPtr()
{ g_atomic_pointer_set(static_cast<volatile gpointer*>(&_val), NULL); }
inline AtomicPtr(const AtomicPtr& copy)
{ g_atomic_pointer_set(static_cast<volatile gpointer*>(&_val),
static_cast<gpointer>(copy.get())); }
inline T* get() const
{ return static_cast<T*>(g_atomic_pointer_get(static_cast<volatile gpointer*>(&_val))); }
inline void operator=(T* val)
{ g_atomic_pointer_set(&_val, static_cast<gpointer>(val)); }
inline bool compare_and_exchange(gpointer oldval, gpointer newval)
{ return g_atomic_pointer_compare_and_exchange(&_val, oldval, newval); }
private:
mutable volatile gpointer _val;
};
} // namespace Raul
#endif // RAUL_ATOMIC_PTR_HPP
Raul::AtomicPtr::compare_and_exchange
bool compare_and_exchange(gpointer oldval, gpointer newval)
Set value to newval iff current value is oldval.
Definition: AtomicPtr.hpp:46
Raul::AtomicPtr
Atomic pointer.
Definition: AtomicPtr.hpp:30
Raul
Definition: Array.hpp:26