mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-19 00:42:06 +00:00
58 lines
3.6 KiB
C++
58 lines
3.6 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 <vapours.hpp>
|
|
#include <stratosphere/os/os_sdk_mutex.hpp>
|
|
|
|
#define AMS_SINGLETON_TRAITS(_CLASSNAME_) \
|
|
private: \
|
|
NON_COPYABLE(_CLASSNAME_); \
|
|
NON_MOVEABLE(_CLASSNAME_); \
|
|
private: \
|
|
_CLASSNAME_ (); \
|
|
public: \
|
|
static _CLASSNAME_ &GetInstance() { \
|
|
/* Declare singleton instance variables. */ \
|
|
static constinit ::ams::util::TypedStorage<_CLASSNAME_> s_singleton_storage; \
|
|
static constinit ::ams::os::SdkMutex s_singleton_mutex; \
|
|
static constinit bool s_initialized_singleton = false; \
|
|
\
|
|
/* Ensure the instance is created. */ \
|
|
if (AMS_UNLIKELY(!s_initialized_singleton)) { \
|
|
std::scoped_lock lk(s_singleton_mutex); \
|
|
\
|
|
if (AMS_LIKELY(!s_initialized_singleton)) { \
|
|
new (::ams::util::GetPointer(s_singleton_storage)) _CLASSNAME_; \
|
|
s_initialized_singleton = true; \
|
|
} \
|
|
} \
|
|
\
|
|
return ::ams::util::GetReference(s_singleton_storage); \
|
|
}
|
|
|
|
#define AMS_CONSTINIT_SINGLETON_TRAITS(_CLASSNAME_) \
|
|
private: \
|
|
NON_COPYABLE(_CLASSNAME_); \
|
|
NON_MOVEABLE(_CLASSNAME_); \
|
|
private: \
|
|
constexpr _CLASSNAME_ () = default; \
|
|
public: \
|
|
static _CLASSNAME_ &GetInstance() { \
|
|
/* Declare singleton instance variables. */ \
|
|
static constinit _CLASSNAME_ s_singleton_instance; \
|
|
return s_singleton_instance; \
|
|
}
|