56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
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// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <functional>
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#include <memory>
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#include "common/common_types.h"
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#include "common/spin_lock.h"
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namespace Common {
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class Fiber {
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public:
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Fiber(std::function<void(void*)>&& entry_point_func, void* start_parameter);
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~Fiber();
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Fiber(const Fiber&) = delete;
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Fiber& operator=(const Fiber&) = delete;
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Fiber(Fiber&&) = default;
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Fiber& operator=(Fiber&&) = default;
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/// Yields control from Fiber 'from' to Fiber 'to'
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/// Fiber 'from' must be the currently running fiber.
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static void YieldTo(std::shared_ptr<Fiber> from, std::shared_ptr<Fiber> to);
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static std::shared_ptr<Fiber> ThreadToFiber();
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/// Only call from main thread's fiber
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void Exit();
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/// Used internally but required to be public, Shall not be used
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void _start(void* parameter);
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/// Changes the start parameter of the fiber. Has no effect if the fiber already started
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void SetStartParameter(void* new_parameter) {
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start_parameter = new_parameter;
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}
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private:
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Fiber();
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struct FiberImpl;
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SpinLock guard;
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std::function<void(void*)> entry_point;
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void* start_parameter;
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std::shared_ptr<Fiber> previous_fiber;
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std::unique_ptr<FiberImpl> impl;
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bool is_thread_fiber{};
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};
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} // namespace Common
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