unpins the specified block . concode_field_sep BufferMgr bufferMgr concode_elem_sep List<Block> pins concode_elem_sep Map<Block,Buffer> buffers concode_field_sep Block pinNew concode_elem_sep Buffer getBuffer concode_elem_sep void pin concode_elem_sep void unpinAll
void function ( Block arg0 ) { Buffer loc0 = buffers . get ( arg0 ) ; bufferMgr . unpin ( loc0 ) ; pins . remove ( arg0 ) ; if ( ! pins . contains ( arg0 ) ) buffers . remove ( arg0 ) ; }