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https://github.com/Atmosphere-NX/Atmosphere.git
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81 lines
3 KiB
C++
81 lines
3 KiB
C++
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/*
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* Copyright (c) 2018-2019 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "os_event.hpp"
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namespace ams::os {
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class WaitableHolder;
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namespace impl {
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class InterProcessEvent;
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}
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enum class SystemEventState {
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Uninitialized,
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Event,
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InterProcessEvent,
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};
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class SystemEvent {
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friend class WaitableHolder;
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NON_COPYABLE(SystemEvent);
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NON_MOVEABLE(SystemEvent);
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private:
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union {
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util::TypedStorage<Event, sizeof(Event), alignof(Event)> storage_for_event;
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util::TypedStorage<impl::InterProcessEvent, 3 * sizeof(Handle), alignof(Handle)> storage_for_inter_process_event;
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};
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SystemEventState state;
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private:
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Event &GetEvent();
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const Event &GetEvent() const;
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impl::InterProcessEvent &GetInterProcessEvent();
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const impl::InterProcessEvent &GetInterProcessEvent() const;
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public:
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SystemEvent() : state(SystemEventState::Uninitialized) { /* ... */ }
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SystemEvent(bool inter_process, bool autoclear = true);
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SystemEvent(Handle read_handle, bool manage_read_handle, Handle write_handle, bool manage_write_handle, bool autoclear = true);
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SystemEvent(Handle read_handle, bool manage_read_handle, bool autoclear = true) : SystemEvent(read_handle, manage_read_handle, INVALID_HANDLE, false, autoclear) { /* ... */ }
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~SystemEvent();
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Result InitializeAsEvent(bool autoclear = true);
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Result InitializeAsInterProcessEvent(bool autoclear = true);
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void AttachHandles(Handle read_handle, bool manage_read_handle, Handle write_handle, bool manage_write_handle, bool autoclear = true);
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void AttachReadableHandle(Handle read_handle, bool manage_read_handle, bool autoclear = true);
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void AttachWritableHandle(Handle write_handle, bool manage_write_handle, bool autoclear = true);
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Handle DetachReadableHandle();
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Handle DetachWritableHandle();
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Handle GetReadableHandle() const;
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Handle GetWritableHandle() const;
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void Finalize();
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SystemEventState GetState() const {
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return this->state;
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}
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void Signal();
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void Reset();
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void Wait();
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bool TryWait();
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bool TimedWait(u64 ns);
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};
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}
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