arch/.unmaintained/dummy/permit.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <exec/execbase.h>
   7
   8 /******************************************************************************
   9
  10     NAME */
  11 #include <proto/exec.h>
  12
  13         AROS_LH0(void, Permit,
  14
  15 /*  LOCATION */
  16         struct ExecBase *, SysBase, 23, Exec)
  17
  18 /*  FUNCTION
  19         This function activates the dispatcher again after a call to Permit().
  20
  21     INPUTS
  22         None.
  23
  24     RESULT
  25         None.
  26
  27     NOTES
  28         This function preserves all registers.
  29
  30     EXAMPLE
  31
  32     BUGS
  33
  34     SEE ALSO
  35         Forbid(), Disable(), Enable()
  36
  37     INTERNALS
  38
  39     HISTORY
  40
  41 ******************************************************************************/
  42 {
  43     if ((--SysBase->TDNestCnt) < 0
  44         && (SysBase->AttnResched & 0x80)
  45         && SysBase->IDNestCnt < 0
  46     )
  47     {
  48         SysBase->AttnResched &= ~0x80;
  49
  50         Switch ();
  51     }
  52 } /* Permit */