void unpin ( Buffer ... buffs ) { for ( Buffer buff : buffs ) { try { // Get the lock of buffer buff . getExternalLock ( ) . lock ( ) ; buff . unpin ( ) ; if ( ! buff . isPinned ( ) ) numAvailable . incrementAndGet ( ) ; } finally { // Release the lock of buffer buff . getExternalLock ( ) . unlock ( ) ; } } }
Unpins the specified buffers .