Ardour  8.12
atomic.h
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1 /*
2  * Copyright (C) 2023 Paul Davis <paul@linuxaudiosystems.com>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License along
15  * with this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17  */
18 
19 #ifndef __libpbd_atomic_h__
20 #define __libpbd_atomic_h__
21 
22 #include <atomic>
23 
24 namespace PBD {
25 
26 template<typename T>
27 bool atomic_dec_and_test (std::atomic<T>& aval) { return (aval.fetch_sub (1) - 1) == 0; }
28 
29 template<typename T>
30 void atomic_inc (std::atomic<T>& aval) { (void) aval.fetch_add (1); }
31 
32 }
33 
34 #endif /* __libpbd_atomic_h__ */
PBD
Definition: axis_view.h:42
PBD::atomic_inc
void atomic_inc(std::atomic< T > &aval)
Definition: atomic.h:30
PBD::atomic_dec_and_test
bool atomic_dec_and_test(std::atomic< T > &aval)
Definition: atomic.h:27