mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-16 01:49:32 +00:00
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include <stratosphere.hpp>
|
|
|
|
namespace ams::erpt::srv {
|
|
|
|
class RefCount {
|
|
private:
|
|
static constexpr u32 MaxReferenceCount = 1000;
|
|
std::atomic<u32> m_ref_count;
|
|
public:
|
|
RefCount() : m_ref_count(0) { /* ... */ }
|
|
|
|
void AddReference() {
|
|
const auto prev = m_ref_count.fetch_add(1);
|
|
AMS_ABORT_UNLESS(prev <= MaxReferenceCount);
|
|
}
|
|
|
|
bool RemoveReference() {
|
|
auto prev = m_ref_count.fetch_sub(1);
|
|
AMS_ABORT_UNLESS(prev != 0);
|
|
return prev == 1;
|
|
}
|
|
};
|
|
|
|
}
|