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thread: Convert ThreadStatus into an enum class

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Makes the thread status strongly typed, so implicit conversions can't
happen. It also makes it easier to catch mistakes at compile time.
This commit is contained in:
Lioncash
2018-07-19 21:39:05 -04:00
parent d3cfaf95c8
commit dbfe82773d
10 changed files with 92 additions and 93 deletions
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16
src/core/hle/kernel/scheduler.cpp
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@ -34,7 +34,7 @@ Thread* Scheduler::PopNextReadyThread() {
Thread* next = nullptr;
Thread* thread = GetCurrentThread();
if (thread && thread->status == THREADSTATUS_RUNNING) {
if (thread && thread->status == ThreadStatus::Running) {
// We have to do better than the current thread.
// This call returns null when that's not possible.
next = ready_queue.pop_first_better(thread->current_priority);
@ -57,17 +57,17 @@ void Scheduler::SwitchContext(Thread* new_thread) {
previous_thread->last_running_ticks = CoreTiming::GetTicks();
cpu_core->SaveContext(previous_thread->context);
if (previous_thread->status == THREADSTATUS_RUNNING) {
if (previous_thread->status == ThreadStatus::Running) {
// This is only the case when a reschedule is triggered without the current thread
// yielding execution (i.e. an event triggered, system core time-sliced, etc)
ready_queue.push_front(previous_thread->current_priority, previous_thread);
previous_thread->status = THREADSTATUS_READY;
previous_thread->status = ThreadStatus::Ready;
}
}
// Load context of new thread
if (new_thread) {
ASSERT_MSG(new_thread->status == THREADSTATUS_READY,
ASSERT_MSG(new_thread->status == ThreadStatus::Ready,
"Thread must be ready to become running.");
// Cancel any outstanding wakeup events for this thread
@ -78,7 +78,7 @@ void Scheduler::SwitchContext(Thread* new_thread) {
current_thread = new_thread;
ready_queue.remove(new_thread->current_priority, new_thread);
new_thread->status = THREADSTATUS_RUNNING;
new_thread->status = ThreadStatus::Running;
if (previous_process != current_thread->owner_process) {
Core::CurrentProcess() = current_thread->owner_process;
@ -129,14 +129,14 @@ void Scheduler::RemoveThread(Thread* thread) {
void Scheduler::ScheduleThread(Thread* thread, u32 priority) {
std::lock_guard<std::mutex> lock(scheduler_mutex);
ASSERT(thread->status == THREADSTATUS_READY);
ASSERT(thread->status == ThreadStatus::Ready);
ready_queue.push_back(priority, thread);
}
void Scheduler::UnscheduleThread(Thread* thread, u32 priority) {
std::lock_guard<std::mutex> lock(scheduler_mutex);
ASSERT(thread->status == THREADSTATUS_READY);
ASSERT(thread->status == ThreadStatus::Ready);
ready_queue.remove(priority, thread);
}
@ -144,7 +144,7 @@ void Scheduler::SetThreadPriority(Thread* thread, u32 priority) {
std::lock_guard<std::mutex> lock(scheduler_mutex);
// If thread was ready, adjust queues
if (thread->status == THREADSTATUS_READY)
if (thread->status == ThreadStatus::Ready)
ready_queue.move(thread, thread->current_priority, priority);
else
ready_queue.prepare(priority);