130 lines
4.8 KiB
C++
130 lines
4.8 KiB
C++
/***
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Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: SOOPrimitives.hpp
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Date: 2023-3-21
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Author: Reece
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***/
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#pragma once
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#if defined(AURORA_COMPILER_MSVC)
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#pragma warning(push)
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#pragma warning(disable: 4141)
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#endif
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namespace Aurora::Threading::Primitives
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{
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static const auto kDefaultPrimitiveSize64 = 128;
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// Define all the sizes of the primitives on each platform by word-size, preprocessed to filter irrelevant/unknown architectures:
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#if defined(AURORA_ARCH_X64) || defined(AURORA_ARCH_X86)
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static const auto kPrimitiveSize64NTMutex = 16;
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static const auto kPrimitiveSize64NTSemaphore = 64;
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static const auto kPrimitiveSize64NTCS = 32;
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static const auto kPrimitiveSize64NTEvent = 64;
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static const auto kPrimitiveSize64NTRWLock = 88;
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static const auto kPrimitiveSize64NTCond = 32;
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static const auto kPrimitiveSize64NTCondMutex = 16;
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static const auto kPrimitiveSize32NTMutex = 8;
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static const auto kPrimitiveSize32NTSemaphore = 36;
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static const auto kPrimitiveSize32NTCS = 20;
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static const auto kPrimitiveSize32NTEvent = 36;
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static const auto kPrimitiveSize32NTRWLock = 56;
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static const auto kPrimitiveSize32NTCond = 20;
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static const auto kPrimitiveSize32NTCondMutex = 8;
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// TODO: Other platforms...
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#else
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// TBD
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#endif
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// Platform selection:
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#if defined(AURORA_IS_MODERNNT_DERIVED)
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static const auto kPrimitiveSize64Mutex = kPrimitiveSize64NTMutex;
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static const auto kPrimitiveSize64Semaphore = kPrimitiveSize64NTSemaphore;
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static const auto kPrimitiveSize64CS = kPrimitiveSize64NTCS;
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static const auto kPrimitiveSize64Event = kPrimitiveSize64NTEvent;
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static const auto kPrimitiveSize64RWLock = kPrimitiveSize64NTRWLock;
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static const auto kPrimitiveSize64Cond = kPrimitiveSize64NTCond;
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static const auto kPrimitiveSize64CondMutex = kPrimitiveSize64NTCondMutex;
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static const auto kPrimitiveSize32Mutex = kPrimitiveSize32NTMutex;
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static const auto kPrimitiveSize32Semaphore = kPrimitiveSize32NTSemaphore;
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static const auto kPrimitiveSize32CS = kPrimitiveSize32NTCS;
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static const auto kPrimitiveSize32Event = kPrimitiveSize32NTEvent;
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static const auto kPrimitiveSize32RWLock = kPrimitiveSize32NTRWLock;
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static const auto kPrimitiveSize32Cond = kPrimitiveSize32NTCond;
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static const auto kPrimitiveSize32CondMutex = kPrimitiveSize32NTCondMutex;
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#define AURT_ENABLE_HYPER_MUTEX
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#else
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static const auto kPrimitiveSize64Mutex = kDefaultPrimitiveSize64;
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static const auto kPrimitiveSize64Semaphore = kDefaultPrimitiveSize64;
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static const auto kPrimitiveSize64CS = kDefaultPrimitiveSize64;
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static const auto kPrimitiveSize64Event = kDefaultPrimitiveSize64;
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static const auto kPrimitiveSize64RWLock = kDefaultPrimitiveSize64;
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static const auto kPrimitiveSize64Cond = kDefaultPrimitiveSize64;
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static const auto kPrimitiveSize64CondMutex = kDefaultPrimitiveSize64;
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#endif
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#if defined(AURORA_IS_64BIT)
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static const auto kPrimitiveSizeMutex = kPrimitiveSize64Mutex;
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static const auto kPrimitiveSizeSemaphore = kPrimitiveSize64Semaphore;
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static const auto kPrimitiveSizeCS = kPrimitiveSize64CS;
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static const auto kPrimitiveSizeEvent = kPrimitiveSize64Event;
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static const auto kPrimitiveSizeRWLock = kPrimitiveSize64RWLock;
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static const auto kPrimitiveSizeCond = kPrimitiveSize64Cond;
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static const auto kPrimitiveSizeCondMutex = kPrimitiveSize64CondMutex;
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#else
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static const auto kPrimitiveSizeMutex = kPrimitiveSize32Mutex;
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static const auto kPrimitiveSizeSemaphore = kPrimitiveSize32Semaphore;
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static const auto kPrimitiveSizeCS = kPrimitiveSize32CS;
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static const auto kPrimitiveSizeEvent = kPrimitiveSize32Event;
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static const auto kPrimitiveSizeRWLock = kPrimitiveSize32RWLock;
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static const auto kPrimitiveSizeCond = kPrimitiveSize32Cond;
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static const auto kPrimitiveSizeCondMutex = kPrimitiveSize32CondMutex;
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#endif
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static const auto kPrimitiveSizeSemaphoreCV = AuPageRoundUp<AuUInt>(8 + kPrimitiveSizeSemaphore + 4, sizeof(AuUInt));
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struct AUKN_SYM HyperWaitable : IWaitable
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{
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auline inline void Lock() final override
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{
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if (AuAtomicTestAndSet(&this->state_, 0u) == 0)
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{
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return;
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}
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SlowLock();
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}
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virtual void SlowLock() = 0;
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protected:
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volatile AuUInt32 state_ {};
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};
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#if defined(AURT_ENABLE_HYPER_MUTEX)
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using IHyperWaitable = HyperWaitable;
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#else
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using IHyperWaitable = IWaitable;
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#endif
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}
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#if defined(AURORA_COMPILER_MSVC)
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#pragma warning(pop)
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#endif |