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Fix deadlock in Lua worker thread (#6286)

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This commit is contained in:
Petr Mikheev 2021-09-19 10:27:48 +02:00
parent 8d86d90782
commit f1e3c55ea3
1 changed files with 12 additions and 2 deletions
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14
apps/openmw/engine.cpp
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@ -875,7 +875,14 @@ public:
void join()
{
if (mThread)
{
{
std::lock_guard<std::mutex> lk(mMutex);
mJoinRequest = true;
}
mCV.notify_one();
mThread->join();
}
}
private:
@ -891,10 +898,12 @@ private:
void threadBody()
{
while (!mEngine->mViewer->done() && !mEngine->mEnvironment.getStateManager()->hasQuitRequest())
while (true)
{
std::unique_lock<std::mutex> lk(mMutex);
mCV.wait(lk, [&]{ return mUpdateRequest; });
mCV.wait(lk, [&]{ return mUpdateRequest || mJoinRequest; });
if (mJoinRequest)
break;
update();
@ -908,6 +917,7 @@ private:
std::mutex mMutex;
std::condition_variable mCV;
bool mUpdateRequest = false;
bool mJoinRequest = false;
double mDt = 0;
bool mIsGuiMode = false;
std::optional<std::thread> mThread;