46 lines
1.9 KiB
C++
46 lines
1.9 KiB
C++
// SPDX-License-Identifier: MPL-2.0
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// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
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#include <sys/resource.h>
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#include <nce.h>
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#include "KThread.h"
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#include "KProcess.h"
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namespace skyline::kernel::type {
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KThread::KThread(const DeviceState &state, KHandle handle, pid_t selfTid, u64 entryPoint, u64 entryArg, u64 stackTop, u64 tls, u8 priority, KProcess *parent, std::shared_ptr<type::KSharedMemory> &tlsMemory)
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: handle(handle), tid(selfTid), entryPoint(entryPoint), entryArg(entryArg), stackTop(stackTop), tls(tls), priority(priority), parent(parent), ctxMemory(tlsMemory), KSyncObject(state, KType::KThread) {
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UpdatePriority(priority);
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}
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KThread::~KThread() {
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Kill();
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}
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void KThread::Start() {
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if (status == Status::Created) {
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if (tid == parent->pid)
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parent->status = KProcess::Status::Started;
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status = Status::Running;
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state.nce->StartThread(entryArg, handle, parent->threads.at(tid));
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}
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}
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void KThread::Kill() {
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if (status != Status::Dead) {
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status = Status::Dead;
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Signal();
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tgkill(parent->pid, tid, SIGKILL);
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}
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}
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void KThread::UpdatePriority(u8 priority) {
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this->priority = priority;
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auto linuxPriority =
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static_cast<int8_t>(constant::AndroidPriority.first + ((static_cast<float>(constant::AndroidPriority.second - constant::AndroidPriority.first) / static_cast<float>(constant::SwitchPriority.second - constant::SwitchPriority.first)) * (static_cast<float>(priority) - constant::SwitchPriority.first))); // Resize range SwitchPriority (Nintendo Priority) to AndroidPriority (Android Priority)
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if (setpriority(PRIO_PROCESS, static_cast<id_t>(tid), linuxPriority) == -1)
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throw exception("Couldn't set process priority to {} for PID: {}", linuxPriority, tid);
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}
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}
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