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Scheduler: Protect on closed threads.

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This commit is contained in:
Fernando Sahmkow 2020-03-06 20:20:36 -04:00
parent 19847d4d42
commit 3de33348e4
1 changed files with 17 additions and 7 deletions
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12
src/core/hle/kernel/scheduler.cpp
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@ -604,7 +604,6 @@ void Scheduler::SwitchContextStep2() {
if (new_thread) {
auto& cpu_core = system.ArmInterface(core_id);
new_thread->context_guard.lock();
cpu_core.Lock();
ASSERT_MSG(new_thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable,
"Thread must be runnable.");
@ -685,6 +684,16 @@ void Scheduler::OnSwitch(void* this_scheduler) {
void Scheduler::SwitchToCurrent() {
while (true) {
guard.lock();
selected_thread = selected_thread_set;
current_thread = selected_thread;
guard.unlock();
while (!is_context_switch_pending) {
current_thread->context_guard.lock();
if (current_thread->GetSchedulingStatus() != ThreadSchedStatus::Runnable) {
current_thread->context_guard.unlock();
break;
}
std::shared_ptr<Common::Fiber> next_context;
if (current_thread != nullptr) {
next_context = current_thread->GetHostContext();
@ -694,6 +703,7 @@ void Scheduler::SwitchToCurrent() {
Common::Fiber::YieldTo(switch_fiber, next_context);
}
}
}
void Scheduler::UpdateLastContextSwitchTime(Thread* thread, Process* process) {
const u64 prev_switch_ticks = last_context_switch_time;