1 /* OpenLDAP WiredTiger backend */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2002-2016 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
17 * This work was developed by HAMANO Tsukasa <hamano@osstech.co.jp>
18 * based on back-bdb for inclusion in OpenLDAP Software.
19 * WiredTiger is a product of MongoDB Inc.
25 /* IDL sizes - likely should be even bigger
26 * limiting factors: sizeof(ID), thread stack size
28 #define WT_IDL_LOGN 16 /* DB_SIZE is 2^16, UM_SIZE is 2^17 */
29 #define WT_IDL_DB_SIZE (1<<WT_IDL_LOGN)
30 #define WT_IDL_UM_SIZE (1<<(WT_IDL_LOGN+1))
31 #define WT_IDL_UM_SIZEOF (WT_IDL_UM_SIZE * sizeof(ID))
33 #define WT_IDL_DB_MAX (WT_IDL_DB_SIZE-1)
35 #define WT_IDL_UM_MAX (WT_IDL_UM_SIZE-1)
37 #define WT_IDL_IS_RANGE(ids) ((ids)[0] == NOID)
38 #define WT_IDL_RANGE_SIZE (3)
39 #define WT_IDL_RANGE_SIZEOF (WT_IDL_RANGE_SIZE * sizeof(ID))
40 #define WT_IDL_SIZEOF(ids) ((WT_IDL_IS_RANGE(ids) \
41 ? WT_IDL_RANGE_SIZE : ((ids)[0]+1)) * sizeof(ID))
43 #define WT_IDL_RANGE_FIRST(ids) ((ids)[1])
44 #define WT_IDL_RANGE_LAST(ids) ((ids)[2])
46 #define WT_IDL_RANGE( ids, f, l ) \
53 #define WT_IDL_ZERO(ids) \
60 #define WT_IDL_IS_ZERO(ids) ( (ids)[0] == 0 )
61 #define WT_IDL_IS_ALL( range, ids ) ( (ids)[0] == NOID \
62 && (ids)[1] <= (range)[1] && (range)[2] <= (ids)[2] )
64 #define WT_IDL_CPY( dst, src ) (AC_MEMCPY( dst, src, WT_IDL_SIZEOF( src ) ))
66 #define WT_IDL_ID( wi, ids, id ) WT_IDL_RANGE( ids, id, ((wi)->wi_lastid) )
67 #define WT_IDL_ALL( wi, ids ) WT_IDL_RANGE( ids, 1, ((wi)->wi_lastid) )
69 #define WT_IDL_FIRST( ids ) ( (ids)[1] )
70 #define WT_IDL_LLAST( ids ) ( (ids)[(ids)[0]] )
71 #define WT_IDL_LAST( ids ) ( WT_IDL_IS_RANGE(ids) \
72 ? (ids)[2] : (ids)[(ids)[0]] )
74 #define WT_IDL_N( ids ) ( WT_IDL_IS_RANGE(ids) \
75 ? ((ids)[2]-(ids)[1])+1 : (ids)[0] )