rom/graphics/unlocklayerrom.c

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Graphics function UnlockLayerRom()
   6     Lang: english
   7 */
   8 #include <proto/layers.h>
   9 #include <proto/exec.h>
  10
  11 /*****************************************************************************
  12
  13     NAME */
  14 #include <proto/graphics.h>
  15
  16         AROS_LH1(void, UnlockLayerRom,
  17
  18 /*  SYNOPSIS */
  19         AROS_LHA(struct Layer *, l,   A5),
  20
  21 /*  LOCATION */
  22         struct GfxBase *, GfxBase, 73, Graphics)
  23
  24 /*  FUNCTION
  25         Unlocks a previously locked layer for access by other applications
  26         or intuition itself.
  27         If a task has locked a layer multiple times it must unlock it
  28         as many times as well as locks nest.
  29         This functions does the same as layers/UnlockLayerRom()
  30
  31     INPUTS
  32         l - pointer to layer structure
  33
  34     RESULT
  35
  36     NOTES
  37
  38     EXAMPLE
  39
  40     BUGS
  41         Does not save all registers.
  42
  43     SEE ALSO
  44         LockLayerRom(), hyperlayers.library/LockLayer()
  45         hyperlayers.library/UnLockLayer()
  46
  47     INTERNALS
  48
  49     HISTORY
  50
  51 *****************************************************************************/
  52 {
  53   AROS_LIBFUNC_INIT
  54
  55   ReleaseSemaphore(&l->Lock);
  56
  57   AROS_LIBFUNC_EXIT
  58 } /* UnlockLayerRom */