mirror of
https://github.com/Atmosphere-NX/Atmosphere
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51 lines
2.8 KiB
C++
51 lines
2.8 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours/common.hpp>
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#include <vapours/assert.hpp>
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#include <vapours/util/util_typed_storage.hpp>
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namespace ams::util {
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#define AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(_TYPE_, _NAME_, ...) static constinit _TYPE_ _NAME_ { __VA_ARGS__ }
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/* NOTE: This must use placement new, to support private constructors. */
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#define AMS_FUNCTION_LOCAL_STATIC_IMPL(_LOCKTYPE_, _SCOPELOCKTYPE_, _TYPE_, _NAME_, ...) \
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static constinit ::ams::util::TypedStorage<_TYPE_> s_fls_storage_for_##_NAME_ {}; \
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static constinit bool s_fls_initialized_##_NAME_ = false; \
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static constinit _LOCKTYPE_ s_fls_init_lock_##_NAME_ {}; \
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if (AMS_UNLIKELY(!(s_fls_initialized_##_NAME_))) { \
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_SCOPELOCKTYPE_ sl_fls_for_##_NAME_ { s_fls_init_lock_##_NAME_ }; \
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if (AMS_LIKELY(!(s_fls_initialized_##_NAME_))) { \
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new (::ams::util::impl::GetPointerForConstructAt(s_fls_storage_for_##_NAME_)) _TYPE_( __VA_ARGS__ ); \
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s_fls_initialized_##_NAME_ = true; \
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} \
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} \
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\
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_TYPE_ & _NAME_ = util::GetReference(s_fls_storage_for_##_NAME_)
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#if defined(ATMOSPHERE_IS_MESOSPHERE)
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#define AMS_FUNCTION_LOCAL_STATIC(_TYPE_, _NAME_, ...) AMS_FUNCTION_LOCAL_STATIC_IMPL(KSpinLock, KScopedSpinLock, _TYPE_, _NAME_, ##__VA_ARGS__)
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#elif defined(ATMOSPHERE_IS_STRATOSPHERE)
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#define AMS_FUNCTION_LOCAL_STATIC(_TYPE_, _NAME_, ...) AMS_FUNCTION_LOCAL_STATIC_IMPL(os::SdkMutex, std::scoped_lock, _TYPE_, _NAME_, ##__VA_ARGS__)
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#endif
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} |