void QQmlThread::internalCallMethodInThread(Message *message)
{
Q_ASSERT(!isThisThread());
d->lock();
Q_ASSERT(d->m_mainThreadWaiting == false);
bool wasEmpty = d->threadList.isEmpty();
d->threadList.append(message);
if (wasEmpty && d->m_threadProcessing == false)
d->triggerThreadEvent();
d->m_mainThreadWaiting = true;
do {
if (d->mainSync) {
QQmlThread::Message *message = d->mainSync;
unlock();
message->call(this);
delete message;
lock();
d->mainSync = 0;
wakeOne();
} else {
d->wait();
}
} while (d->mainSync || !d->threadList.isEmpty());
d->m_mainThreadWaiting = false;
d->unlock();
}
void QQmlThreadPrivate::threadEvent()
{
lock();
if (m_shutdown) {
quit();
wakeOne();
unlock();
q->shutdownThread();
} else {
m_threadProcessing = true;
while (!threadList.isEmpty()) {
QQmlThread::Message *message = threadList.first();
unlock();
message->call(q);
lock();
delete threadList.takeFirst();
}
wakeOne();
m_threadProcessing = false;
unlock();
}
}
void QQmlThread::waitForNextMessage()
{
Q_ASSERT(!isThisThread());
d->lock();
Q_ASSERT(d->m_mainThreadWaiting == false);
d->m_mainThreadWaiting = true;
if (d->mainSync || !d->threadList.isEmpty()) {
if (d->mainSync) {
QQmlThread::Message *message = d->mainSync;
unlock();
message->call(this);
delete message;
lock();
d->mainSync = 0;
wakeOne();
} else {
d->wait();
}
}
d->m_mainThreadWaiting = false;
d->unlock();
}
void QQmlThreadPrivate::mainEvent()
{
lock();
m_mainProcessing = true;
while (!mainList.isEmpty() || mainSync) {
bool isSync = mainSync != 0;
QQmlThread::Message *message = isSync?mainSync:mainList.takeFirst();
unlock();
message->call(q);
delete message;
lock();
if (isSync) {
mainSync = 0;
wakeOne();
}
}
m_mainProcessing = false;
unlock();
}
void QQmlThreadPrivate::threadEvent()
{
lock();
for (;;) {
if (m_shutdown) {
quit();
wakeOne();
unlock();
return;
} else if (!threadList.isEmpty()) {
m_threadProcessing = true;
QQmlThread::Message *message = threadList.first();
unlock();
message->call(q);
lock();
delete threadList.takeFirst();
} else {
wakeOne();
m_threadProcessing = false;
unlock();
return;
}
}
}