/usr/include/raul/AtomicPtr.hpp is in libraul-dev 0.8.0+dfsg0-0.1+b1.
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 | /* 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 {
/** Atomic pointer.
* \ingroup 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)); }
/** Set value to newval iff current value is oldval */
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
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