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Merge pull request #4590 from ReinUsesLisp/tsan-sched 

hle/scheduler: Fix data race in is_context_switch_pending
This commit is contained in:
bunnei 2020-09-03 14:39:57 -04:00 committed by GitHub
parent 39319f09d8 ccdd84a778
commit ba5419b965
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1 changed files with 6 additions and 2 deletions
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8
src/core/hle/kernel/scheduler.cpp
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@ -756,7 +756,11 @@ void Scheduler::SwitchToCurrent() {
current_thread = selected_thread;
is_context_switch_pending = false;
}
while (!is_context_switch_pending) {
const auto is_switch_pending = [this] {
std::scoped_lock lock{guard};
return is_context_switch_pending;
};
do {
if (current_thread != nullptr && !current_thread->IsHLEThread()) {
current_thread->context_guard.lock();
if (!current_thread->IsRunnable()) {
@ -775,7 +779,7 @@ void Scheduler::SwitchToCurrent() {
next_context = &idle_thread->GetHostContext();
}
Common::Fiber::YieldTo(switch_fiber, *next_context);
}
} while (!is_switch_pending());
}
}