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Atmosphere/libraries/libstratosphere/include/stratosphere/util/util_singleton_traits.hpp
SciresM e9849c74cf
LogManager: implement system module, client api, logging api (#1617)
Some notes:

* Unless `atmosphere!enable_log_manager` is true, Nintendo's log manager will be used instead.
  * This prevents paying memory costs for LM when not enabling logging.
  * To facilitate this, Atmosphere's log manager has a different program id from Nintendo's.
  * `atmosphere!enable_htc` implies `atmosphere!enable_log_manager`.
* LogManager logs to tma, and the SD card (if `lm!enable_sd_card_logging` is true, which it is by default).
* Binary logs are saved to `lm!sd_card_log_output_directory`, which is `atmosphere/binlogs` by default.
2021-09-11 19:32:14 -07:00

45 lines
2.9 KiB
C++

/*
* Copyright (c) 2018-2020 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); \
}