rom/utility/getuniqueid.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8 #include <proto/exec.h>
   9 #include "intern.h"
  10
  11 /*****************************************************************************
  12
  13     NAME */
  14 #include <proto/utility.h>
  15
  16         AROS_LH0(ULONG, GetUniqueID,
  17
  18 /*  SYNOPSIS */
  19         /* void */
  20
  21 /*  LOCATION */
  22         struct UtilityBase *, UtilityBase, 45, Utility)
  23
  24 /*  FUNCTION
  25         Returns a unique id that is different from any other id that is
  26         obtained from this function call.
  27
  28     INPUTS
  29
  30     RESULT
  31         an unsigned long id
  32
  33     NOTES
  34
  35     EXAMPLE
  36
  37     BUGS
  38
  39     SEE ALSO
  40
  41     INTERNALS
  42         Calls Disable()/Enable() to guarentee uniqueness.
  43
  44     HISTORY
  45         29-10-95    digulla automatically created from
  46                             utility_lib.fd and clib/utility_protos.h
  47         17-08-96    iaint   Reimplemented. CVS lost my old one. Well I did.
  48
  49 *****************************************************************************/
  50 {
  51     AROS_LIBFUNC_INIT
  52     ULONG ret;
  53
  54     Disable();
  55
  56     ret = ++(GetIntUtilityBase(UtilityBase)->ub_LastID);
  57
  58     Enable();
  59
  60     return ret;
  61
  62     AROS_LIBFUNC_EXIT
  63 } /* GetUniqueID */