diff options
Diffstat (limited to 'bdb/lock/lock_conflict.c')
-rw-r--r-- | bdb/lock/lock_conflict.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/bdb/lock/lock_conflict.c b/bdb/lock/lock_conflict.c new file mode 100644 index 00000000000..2d7945fe201 --- /dev/null +++ b/bdb/lock/lock_conflict.c @@ -0,0 +1,34 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1996, 1997, 1998, 1999, 2000 + * Sleepycat Software. All rights reserved. + */ + +#include "db_config.h" + +#ifndef lint +static const char revid[] = "$Id: lock_conflict.c,v 11.6 2000/12/12 17:38:13 bostic Exp $"; +#endif /* not lint */ + +#ifndef NO_SYSTEM_INCLUDES +#include <sys/types.h> +#endif + +#include "db_int.h" + +/* + * The conflict arrays are set up such that the row is the lock you + * are holding and the column is the lock that is desired. + */ + +const u_int8_t db_riw_conflicts[] = { + /* N S X WT IX IS SIX */ + /* N */ 0, 0, 0, 0, 0, 0, 0, + /* S */ 0, 0, 1, 0, 1, 0, 1, + /* X */ 0, 1, 1, 1, 1, 1, 1, + /* WT */ 0, 0, 0, 0, 0, 0, 0, + /* IX */ 0, 1, 1, 0, 0, 0, 0, + /* IS */ 0, 0, 1, 0, 0, 0, 0, + /* SIX */ 0, 1, 1, 0, 0, 0, 0 +}; |