2014-05-27 17:16:13 -07:00
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// Copyright 2014 Citra Emulator Project
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2014-12-16 21:38:14 -08:00
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// Licensed under GPLv2 or any later version
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2014-11-19 00:49:13 -08:00
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// Refer to the license.txt file included.
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2014-05-27 17:16:13 -07:00
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#pragma once
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2018-08-01 19:40:00 -07:00
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#include "core/hle/kernel/object.h"
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2017-05-29 15:45:30 -07:00
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#include "core/hle/kernel/wait_object.h"
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2014-05-27 17:16:13 -07:00
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2018-12-04 15:54:18 -08:00
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union ResultCode;
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2014-05-27 17:16:13 -07:00
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namespace Kernel {
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2018-08-28 09:30:33 -07:00
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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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2018-08-28 09:30:33 -07:00
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2015-01-22 21:11:25 -08:00
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public:
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~ReadableEvent() override;
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2016-09-17 17:38:01 -07:00
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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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2015-01-22 21:11:25 -08:00
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2019-04-11 13:30:52 -07:00
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static constexpr 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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2015-01-22 21:11:25 -08:00
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2019-04-01 15:19:42 -07:00
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bool ShouldWait(const Thread* thread) const override;
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2017-01-01 13:53:22 -08:00
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void Acquire(Thread* thread) override;
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2018-12-04 15:54:18 -08:00
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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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2015-01-22 21:11:25 -08:00
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private:
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explicit ReadableEvent(KernelCore& kernel);
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2018-08-06 09:52:21 -07:00
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2018-11-27 06:18:29 -08:00
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void Signal();
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2019-11-03 01:57:16 -07:00
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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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2014-05-27 17:16:13 -07:00
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2018-01-19 23:48:02 -08:00
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} // namespace Kernel
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