Function GetSwitcherLoopLock

lib/utils/sync-helpers.cpp:11–16

	return &m;
}
std::unique_lock<std::mutex> *GetSwitcherLoopLock()
{
	static std::mutex m;
	static std::unique_lock<std::mutex> lock(m);
	return &lock;
}
#else
std::mutex *GetSwitcherMutex();
std::unique_lock<std::mutex> *GetSwitcherLoopLock();