rom/exec/addmemhandler.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Add a low memory handler.
   6     Lang: english
   7 */
   8
   9 #include <aros/debug.h>
  10 #include <exec/execbase.h>
  11 #include <aros/libcall.h>
  12 #include <proto/exec.h>
  13
  14 /*****************************************************************************
  15
  16     NAME */
  17
  18         AROS_LH1(void, AddMemHandler,
  19
  20 /*  SYNOPSIS */
  21         AROS_LHA(struct Interrupt *, memHandler, A1),
  22
  23 /*  LOCATION */
  24         struct ExecBase *, SysBase, 129, Exec)
  25
  26 /*  FUNCTION
  27         Add some function to be called if the system is low on memory.
  28
  29     INPUTS
  30         memHandler - An Interrupt structure to add to the low memory
  31                      handler list.
  32
  33     RESULT
  34
  35     NOTES
  36
  37     EXAMPLE
  38
  39     BUGS
  40
  41     SEE ALSO
  42
  43     INTERNALS
  44
  45 ******************************************************************************/
  46 {
  47     AROS_LIBFUNC_INIT
  48     ASSERT_VALID_PTR(memHandler);
  49
  50     /* Protect the low memory handler list */
  51     Forbid();
  52         /* Nothing spectacular: Just add the new node */
  53         Enqueue((struct List *)&SysBase->ex_MemHandlers,&memHandler->is_Node);
  54     Permit();
  55     AROS_LIBFUNC_EXIT
  56 } /* AddMemHandler */
  57