eden-emu/eden
14
3
Fork 4
Code Issues 3 Pull requests 4 Projects Releases 2 Packages Wiki Activity Actions

k_thread: Fix data race

Browse source 
TSan reports a data race between writing at cpp:1162 and reading at
h:262. Make the thread_state atomic to prevent this.
This commit is contained in:
lat9nq 2022-04-01 18:57:40 -04:00
parent 0f347eaf52
commit 831f022536
2 changed files with 4 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/core/hle/kernel/k_thread.cpp
View file

@ -723,7 +723,7 @@ void KThread::UpdateState() {
ASSERT(kernel.GlobalSchedulerContext().IsLocked());
// Set our suspend flags in state.
const auto old_state = thread_state;
const ThreadState old_state = thread_state;
const auto new_state =
static_cast<ThreadState>(this->GetSuspendFlags()) | (old_state & ThreadState::Mask);
thread_state = new_state;
@ -738,7 +738,7 @@ void KThread::Continue() {
ASSERT(kernel.GlobalSchedulerContext().IsLocked());
// Clear our suspend flags in state.
const auto old_state = thread_state;
const ThreadState old_state = thread_state;
thread_state = old_state & ThreadState::Mask;
// Note the state change in scheduler.