HelenOS sources

mutex              42 uspace/lib/cpp/include/__bits/thread/mutex.hpp     class mutex
mutex             425 uspace/lib/cpp/include/__bits/thread/mutex.hpp             mutex_type* mutex() const noexcept
mutex             280 uspace/lib/cpp/include/__bits/thread/shared_mutex.hpp             mutex_type* mutex() const noexcept
mutex              87 uspace/lib/cpp/include/__bits/thread/threading.hpp         struct mutex