public final void unlockFromRead ( L locker ) { adjustReadLockCount ( locker , - 1 ) ; int readLocks ; while ( ( readLocks = decrementReadLocks ( mState ) ) < 0 ) { } if ( readLocks == 0 ) { Node h = mRWHead ; if ( h != null && h . mWaitStatus != 0 ) { unparkReadWriteSuccessor ( h ) ; } } }
Release a previously acquired read lock .