mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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f534d3498e
subrepo: subdir: "stratosphere/libstratosphere" merged: "0c5dab80" upstream: origin: "https://github.com/Atmosphere-NX/libstratosphere" branch: "master" commit: "0c5dab80" git-subrepo: version: "0.4.0" origin: "https://github.com/ingydotnet/git-subrepo" commit: "5d6aba9"
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
/*
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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 <switch.h>
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#include "hossynch.hpp"
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#include <memory>
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class HosMessageQueue {
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private:
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HosMutex queue_lock;
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HosCondVar cv_not_full;
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HosCondVar cv_not_empty;
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std::unique_ptr<uintptr_t[]> buffer;
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size_t capacity;
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size_t count = 0;
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size_t offset = 0;
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public:
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HosMessageQueue(size_t c) : capacity(c) {
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this->buffer = std::make_unique<uintptr_t[]>(this->capacity);
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}
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HosMessageQueue(std::unique_ptr<uintptr_t[]> buf, size_t c) : buffer(std::move(buf)), capacity(c) { }
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/* Sending (FIFO functionality) */
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void Send(uintptr_t data);
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bool TrySend(uintptr_t data);
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bool TimedSend(uintptr_t data, u64 timeout);
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/* Sending (LIFO functionality) */
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void SendNext(uintptr_t data);
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bool TrySendNext(uintptr_t data);
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bool TimedSendNext(uintptr_t data, u64 timeout);
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/* Receive functionality */
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void Receive(uintptr_t *out);
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bool TryReceive(uintptr_t *out);
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bool TimedReceive(uintptr_t *out, u64 timeout);
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/* Peek functionality */
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void Peek(uintptr_t *out);
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bool TryPeek(uintptr_t *out);
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bool TimedPeek(uintptr_t *out, u64 timeout);
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private:
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bool IsFull() {
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return this->count >= this->capacity;
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}
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bool IsEmpty() {
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return this->count == 0;
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}
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void SendInternal(uintptr_t data);
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void SendNextInternal(uintptr_t data);
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uintptr_t ReceiveInternal();
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uintptr_t PeekInternal();
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};
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