void setExecutor(
std::shared_ptr<Exe> executor,
Singleton<std::weak_ptr<Exe>>& sExecutor,
Singleton<RWSpinLock, LockTag>& sExecutorLock) {
RWSpinLock::WriteHolder guard(sExecutorLock.get());
*sExecutor.get() = std::move(executor);
}
std::shared_ptr<Exe> getExecutor(
Singleton<std::weak_ptr<Exe>>& sExecutor,
Singleton<std::shared_ptr<DefaultExe>>& sDefaultExecutor,
Singleton<RWSpinLock, LockTag>& sExecutorLock) {
std::shared_ptr<Exe> executor;
auto singleton = sExecutor.get();
auto lock = sExecutorLock.get();
{
RWSpinLock::ReadHolder guard(lock);
if ((executor = sExecutor->lock())) {
return executor;
}
}
RWSpinLock::WriteHolder guard(lock);
executor = singleton->lock();
if (!executor) {
executor = *sDefaultExecutor.get();
*singleton = executor;
}
return executor;
}
FormatRegistry& FormatRegistry::instance()
{
static Singleton<FormatRegistry> sh;
return *sh.get();
}
TestRunner& TestRunner::getDefault()
{
return *singleton.get();
}
Houses* Houses::getInstance()
{
static Singleton<Houses> instance;
return instance.get();
}
GarbageCollector& GarbageCollector::instance()
{
return *singleton.get();
}
IOPlayer* IOPlayer::instance()
{
static Singleton<IOPlayer> instance;
return instance.get();
}
ConnectionManager* ConnectionManager::getInstance()
{
static Singleton<ConnectionManager> instance;
return instance.get();
}