mirror of
https://github.com/ndeadly/MissionControl
synced 2024-11-23 04:43:10 +00:00
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
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* Copyright (c) 2020-2022 ndeadly
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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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#include "async.hpp"
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namespace ams::async {
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namespace {
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const size_t ThreadCount = 1;
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const size_t ThreadStackSize = 0x2000;
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const s32 ThreadPriority = 10;
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alignas(os::MemoryPageSize) uint8_t g_thread_stacks[ThreadCount][ThreadStackSize];
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os::ThreadType g_thread_pool[ThreadCount];
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const size_t MessageBufferSize = 32;
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uintptr_t g_message_buffer[MessageBufferSize];
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os::MessageQueueType g_work_queue;
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void WorkerThreadFunc(void *) {
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uintptr_t ptr;
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for (;;) {
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os::ReceiveMessageQueue(&ptr, &g_work_queue);
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// Convert pointer to work function back to correct type and claim ownership
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auto work_func = std::unique_ptr<AsyncFunction>(reinterpret_cast<AsyncFunction *>(ptr));
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// Execute the work function
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(*work_func)();
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}
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}
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}
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Result Initialize() {
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os::InitializeMessageQueue(&g_work_queue, g_message_buffer, MessageBufferSize);
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for (unsigned int i = 0; i < ThreadCount; ++i) {
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R_TRY(os::CreateThread(&g_thread_pool[i],
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WorkerThreadFunc,
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nullptr,
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g_thread_stacks[i],
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ThreadStackSize,
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ThreadPriority
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));
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os::SetThreadNamePointer(&g_thread_pool[i], "mc::AsyncWorker");
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os::StartThread(&g_thread_pool[i]);
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}
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return ams::ResultSuccess();
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}
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void Finalize() {
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os::FinalizeMessageQueue(&g_work_queue);
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for (unsigned int i = 0; i < ThreadCount; ++i) {
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os::DestroyThread(&g_thread_pool[i]);
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}
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}
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void QueueWork(AsyncFunction *function) {
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os::SendMessageQueue(&g_work_queue, reinterpret_cast<uintptr_t>(function));
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}
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}
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