usr/src/cmd/sendmail/include/sm/bdb.h

   1 /*
   2  * Copyright (c) 2002, 2003 Sendmail, Inc. and its suppliers.
   3  *      All rights reserved.
   4  *
   5  * By using this file, you agree to the terms and conditions set
   6  * forth in the LICENSE file which can be found at the top level of
   7  * the sendmail distribution.
   8  *
   9  *
  10  *      $Id: bdb.h,v 1.1.2.4 2003/03/06 16:27:38 ca Exp $
  11  */
  12
  13 #pragma ident   "%Z%%M% %I%     %E% SMI"
  14
  15 #ifndef SM_BDB_H
  16 #define SM_BDB_H
  17
  18 #if NEWDB
  19 # include <db.h>
  20 # ifndef DB_VERSION_MAJOR
  21 #  define DB_VERSION_MAJOR 1
  22 # endif /* ! DB_VERSION_MAJOR */
  23
  24 # if DB_VERSION_MAJOR >= 4 && DB_VERSION_MINOR >= 1
  25
  26 #  define DBTXN NULL ,
  27
  28 /*
  29 **  Always turn on DB_FCNTL_LOCKING for DB 4.1.x since its
  30 **  "workaround" for accepting an empty (locked) file depends on
  31 **  this flag. Notice: this requires 4.1.24 + patch (which should be
  32 **  part of 4.1.25).
  33 */
  34
  35 #  define SM_DB_FLAG_ADD(flag)  (flag) |= DB_FCNTL_LOCKING
  36
  37 # else /* DB_VERSION_MAJOR >= 4 && DB_VERSION_MINOR >= 1 */
  38
  39 #  define DBTXN
  40 #  if !HASFLOCK && defined(DB_FCNTL_LOCKING)
  41 #   define SM_DB_FLAG_ADD(flag) (flag) |= DB_FCNTL_LOCKING
  42 #  else /* !HASFLOCK && defined(DB_FCNTL_LOCKING) */
  43 #   define SM_DB_FLAG_ADD(flag) ((void) 0)
  44 #  endif /* !HASFLOCK && defined(DB_FCNTL_LOCKING) */
  45
  46 # endif /* DB_VERSION_MAJOR >= 4 && DB_VERSION_MINOR >= 1 */
  47 #endif /* NEWDB */
  48
  49 #endif /* ! SM_BDB_H */