a3aa7aaf0b
svcResetSignal relies on the event instance to have already been signaled before attempting to reset it. If this isn't the case, then an error code has to be returned.
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
// Copyright 2014 Citra 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 "core/hle/kernel/object.h"
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#include "core/hle/kernel/wait_object.h"
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union ResultCode;
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namespace Kernel {
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class KernelCore;
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class WritableEvent;
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class ReadableEvent final : public WaitObject {
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friend class WritableEvent;
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public:
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~ReadableEvent() override;
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std::string GetTypeName() const override {
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return "ReadableEvent";
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}
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std::string GetName() const override {
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return name;
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}
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ResetType GetResetType() const {
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return reset_type;
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}
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static const HandleType HANDLE_TYPE = HandleType::ReadableEvent;
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HandleType GetHandleType() const override {
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return HANDLE_TYPE;
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}
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bool ShouldWait(Thread* thread) const override;
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void Acquire(Thread* thread) override;
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void WakeupAllWaitingThreads() override;
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/// Unconditionally clears the readable event's state.
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void Clear();
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/// Clears the readable event's state if and only if it
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/// has already been signaled.
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///
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/// @pre The event must be in a signaled state. If this event
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/// is in an unsignaled state and this function is called,
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/// then ERR_INVALID_STATE will be returned.
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ResultCode Reset();
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private:
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explicit ReadableEvent(KernelCore& kernel);
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void Signal();
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ResetType reset_type;
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bool signaled;
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std::string name; ///< Name of event (optional)
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};
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} // namespace Kernel
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