llvm/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/ Source Tree

../
lock.pass.cpp Monitor TrackedMutex main
try_lock.pass.cpp Monitor TrackedMutex main
try_lock_for.pass.cpp main mutex
try_lock_until.pass.cpp main mutex
unlock.pass.cpp main mutex