/usr/include/raul/AtomicInt.hpp is in libraul-dev 0.8.0+dfsg0-0.1ubuntu1.
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 | /* 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_INT_HPP
#define RAUL_ATOMIC_INT_HPP
#include <glib.h>
namespace Raul {
/** Atomic integer.
* \ingroup raul
*/
class AtomicInt {
public:
inline AtomicInt(int val)
{ g_atomic_int_set(static_cast<volatile gint*>(&_val), val); }
inline AtomicInt(const AtomicInt& copy)
{ g_atomic_int_set(static_cast<volatile gint*>(&_val), copy.get()); }
inline int get() const
{ return g_atomic_int_get(static_cast<volatile gint*>(&_val)); }
inline void operator=(int val)
{ g_atomic_int_set(static_cast<volatile gint*>(&_val), val); }
inline void operator+=(int val)
{ g_atomic_int_add(static_cast<volatile gint*>(&_val), val); }
inline void operator-=(int val)
{ g_atomic_int_add(static_cast<volatile gint*>(&_val), -val); }
inline bool operator==(int val) const
{ return get() == val; }
inline int operator+(int val) const
{ return get() + val; }
inline AtomicInt& operator++() // prefix
{ g_atomic_int_inc(static_cast<volatile gint*>(&_val)); return *this; }
inline AtomicInt& operator--() // prefix
{ g_atomic_int_add(static_cast<volatile gint*>(&_val), -1); return *this; }
/** Set value to @a val iff current value is @a old.
* @return true iff set succeeded.
*/
inline bool compare_and_exchange(int old, int val)
{ return g_atomic_int_compare_and_exchange(static_cast<volatile gint*>(&_val), old, val); }
/** Add val to value.
* @return value immediately before addition took place.
*/
inline int exchange_and_add(int val)
{ return g_atomic_int_exchange_and_add(static_cast<volatile gint*>(&_val), val); }
/** Decrement value.
* @return true if value is now 0, otherwise false.
*/
inline bool decrement_and_test()
{ return g_atomic_int_dec_and_test(static_cast<volatile gint*>(&_val)); }
private:
volatile mutable int _val;
};
} // namespace Raul
#endif // RAUL_ATOMIC_INT_HPP
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