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author | Levi <L3ehunin@gmail.com> | 2021-01-11 06:09:56 +0100 |
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committer | Levi <L3ehunin@gmail.com> | 2021-01-11 06:09:56 +0100 |
commit | 7a3c884e39fccfbb498b855080bffabc9ce2e7f1 (patch) | |
tree | 5056f9406dec188439cb0deb87603498243a9412 /src/core/hle/kernel/k_scoped_lock.h | |
parent | More forgetting... duh (diff) | |
parent | Merge pull request #5229 from Morph1984/fullscreen-opt (diff) | |
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Diffstat (limited to 'src/core/hle/kernel/k_scoped_lock.h')
-rw-r--r-- | src/core/hle/kernel/k_scoped_lock.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/core/hle/kernel/k_scoped_lock.h b/src/core/hle/kernel/k_scoped_lock.h new file mode 100644 index 000000000..d7cc557b2 --- /dev/null +++ b/src/core/hle/kernel/k_scoped_lock.h @@ -0,0 +1,41 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +// This file references various implementation details from Atmosphere, an open-source firmware for +// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX. + +#pragma once + +#include "common/common_types.h" + +namespace Kernel { + +template <typename T> +concept KLockable = !std::is_reference_v<T> && requires(T & t) { + { t.Lock() } + ->std::same_as<void>; + { t.Unlock() } + ->std::same_as<void>; +}; + +template <typename T> +requires KLockable<T> class KScopedLock { +public: + explicit KScopedLock(T* l) : lock_ptr(l) { + this->lock_ptr->Lock(); + } + explicit KScopedLock(T& l) : KScopedLock(std::addressof(l)) { /* ... */ + } + ~KScopedLock() { + this->lock_ptr->Unlock(); + } + + KScopedLock(const KScopedLock&) = delete; + KScopedLock(KScopedLock&&) = delete; + +private: + T* lock_ptr; +}; + +} // namespace Kernel |