workbench/libs/camd/lockcamd.c

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: English
   7 */
   8
   9 #include <proto/exec.h>
  10
  11 #include "camd_intern.h"
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16
  17         AROS_LH1(APTR, LockCAMD,
  18
  19 /*  SYNOPSIS */
  20         AROS_LHA(ULONG, locktype, D0),
  21
  22 /*  LOCATION */
  23         struct CamdBase *, CamdBase, 5, Camd)
  24
  25 /*  FUNCTION
  26                 Locks the internal lists in camd.
  27                 You must call UnlockCAMD later.
  28
  29     INPUTS
  30                 locktype - Only CD_Linkages is legal.
  31
  32     RESULT
  33                 APTR to send to UnlockCAMD
  34
  35     NOTES
  36
  37     EXAMPLE
  38
  39     BUGS
  40
  41     SEE ALSO
  42
  43     INTERNALS
  44
  45     HISTORY
  46
  47         2001-01-12 ksvalast first created
  48
  49 *****************************************************************************/
  50 {
  51     AROS_LIBFUNC_INIT
  52
  53         ObtainSemaphoreShared(CB(CamdBase)->CLSemaphore);
  54         return CB(CamdBase)->CLSemaphore;
  55
  56    AROS_LIBFUNC_EXIT
  57 }
  58