rom/dos/unlockdoslist.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8 #include <aros/debug.h>
   9 #include <proto/exec.h>
  10 #include "dos_intern.h"
  11
  12 /*****************************************************************************
  13
  14     NAME */
  15 #include <proto/dos.h>
  16
  17         AROS_LH1(void, UnLockDosList,
  18
  19 /*  SYNOPSIS */
  20         AROS_LHA(ULONG, flags, D1),
  21
  22 /*  LOCATION */
  23         struct DosLibrary *, DOSBase, 110, Dos)
  24
  25 /*  FUNCTION
  26         Frees a lock on the dos lists given by LockDosList().
  27
  28     INPUTS
  29         flags - the same value as given to LockDosList().
  30
  31     RESULT
  32
  33     NOTES
  34
  35     EXAMPLE
  36
  37     BUGS
  38
  39     SEE ALSO
  40
  41     INTERNALS
  42
  43 *****************************************************************************/
  44 {
  45     AROS_LIBFUNC_INIT
  46
  47     struct DosInfo *di = BADDR(DOSBase->dl_Root->rn_Info);
  48
  49     D(bug("UnLockDosList: flags = $%lx\n", flags));
  50
  51     if (flags & LDF_ALL)
  52         ReleaseSemaphore(&di->di_DevLock);
  53
  54     if (flags & LDF_ENTRY)
  55         ReleaseSemaphore(&di->di_EntryLock);
  56
  57     if (flags & LDF_DELETE)
  58         ReleaseSemaphore(&di->di_DeleteLock);
  59
  60 /* This came from MorphOS. Left for reference.
  61     Permit(); */
  62
  63     AROS_LIBFUNC_EXIT
  64 } /* UnLockDosList */