mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-23 12:51:13 +00:00
0105455086
subrepo: subdir: "libraries" merged: "07af583b" upstream: origin: "https://github.com/Atmosphere-NX/Atmosphere-libs" branch: "master" commit: "07af583b" git-subrepo: version: "0.4.0" origin: "https://github.com/ingydotnet/git-subrepo" commit: "5d6aba9"
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2018-2019 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 "os_mutex.hpp"
|
|
#include "os_condvar.hpp"
|
|
|
|
namespace ams::os {
|
|
|
|
namespace impl {
|
|
|
|
class WaitableObjectList;
|
|
class WaitableHolderOfSemaphore;
|
|
|
|
}
|
|
|
|
class Semaphore {
|
|
friend class impl::WaitableHolderOfSemaphore;
|
|
NON_COPYABLE(Semaphore);
|
|
NON_MOVEABLE(Semaphore);
|
|
private:
|
|
util::TypedStorage<impl::WaitableObjectList, sizeof(util::IntrusiveListNode), alignof(util::IntrusiveListNode)> waitlist;
|
|
os::Mutex mutex;
|
|
os::ConditionVariable condvar;
|
|
int count;
|
|
int max_count;
|
|
public:
|
|
explicit Semaphore(int c, int mc);
|
|
~Semaphore();
|
|
|
|
void Acquire();
|
|
bool TryAcquire();
|
|
bool TimedAcquire(u64 timeout);
|
|
|
|
void Release();
|
|
void Release(int count);
|
|
|
|
constexpr inline int GetCurrentCount() const {
|
|
return this->count;
|
|
}
|
|
};
|
|
|
|
}
|