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Fix potential crash when ending script on main thread

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This commit is contained in:
sabrina-shanman 2019-06-21 09:32:00 -07:00
parent b23badf374
commit 4fafa2135a
1 changed files with 9 additions and 4 deletions
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11
libraries/script-engine/src/ScriptEngine.cpp
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@ -397,15 +397,20 @@ void ScriptEngine::executeOnScriptThread(std::function<void()> function, const Q
} }
void ScriptEngine::waitTillDoneRunning() { void ScriptEngine::waitTillDoneRunning() {
// Engine should be stopped already, but be defensive
stop();
auto workerThread = thread(); auto workerThread = thread();
if (workerThread == QThread::currentThread()) {
qCWarning(scriptengine) << "ScriptEngine::waitTillDoneRunning called, but the script is on the same thread:" << getFilename();
return;
}
if (_isThreaded && workerThread) { if (_isThreaded && workerThread) {
// We should never be waiting (blocking) on our own thread // We should never be waiting (blocking) on our own thread
assert(workerThread != QThread::currentThread()); assert(workerThread != QThread::currentThread());
// Engine should be stopped already, but be defensive
stop();
auto startedWaiting = usecTimestampNow(); auto startedWaiting = usecTimestampNow();
while (workerThread->isRunning()) { while (workerThread->isRunning()) {
// If the final evaluation takes too long, then tell the script engine to stop running // If the final evaluation takes too long, then tell the script engine to stop running