1
/* Copyright (C) 2003 MySQL AB
3
This program is free software; you can redistribute it and/or modify
4
it under the terms of the GNU General Public License as published by
5
the Free Software Foundation; version 2 of the License.
7
This program is distributed in the hope that it will be useful,
8
but WITHOUT ANY WARRANTY; without even the implied warranty of
9
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10
GNU General Public License for more details.
12
You should have received a copy of the GNU General Public License
13
along with this program; if not, write to the Free Software
14
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
19
#include "kernel_types.h"
22
* Convert BlockReference to BlockNumber
25
BlockNumber refToBlock(BlockReference ref){
26
return (BlockNumber)(ref >> 16);
30
* Convert BlockReference to NodeId
33
NodeId refToNode(BlockReference ref){
34
return (NodeId)(ref & 0xFFFF);
38
* Convert NodeId and BlockNumber to BlockReference
41
BlockReference numberToRef(BlockNumber bnr, NodeId proc){
42
return (((Uint32)bnr) << 16) + proc;