void change_mode ( in CosConcurrencyControl::lock_mode held_mode, in CosConcurrencyControl::lock_mode new_mode ) raises (CosConcurrencyControl::LockNotHeld);
CosConcurrencyControl::LockCoordinator get_coordinator ( in CosTransactions::Coordinator which );
void InitializeName ( in CosConcurrencyControl::LockSet setPtr );
void lock ( in CosConcurrencyControl::lock_mode mode );
boolean try_lock ( in CosConcurrencyControl::lock_mode mode );
void unlock ( in CosConcurrencyControl::lock_mode mode ) raises (CosConcurrencyControl::LockNotHeld);