mach/mutex-solid.c

   1 /* Stub versions of mutex_lock_solid/mutex_unlock_solid for no -lthreads.
   2    Copyright (C) 1995, 1997 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <lock-intern.h>
  21 #include <cthreads.h>
  22
  23 /* If cthreads is linked in, it will define these functions itself to do
  24    real cthreads mutex locks.  This file will only be linked in when
  25    cthreads is not used, and `mutexes' are in fact just spin locks (and
  26    some unused storage).  */
  27
  28 void
  29 __mutex_lock_solid (void *lock)
  30 {
  31   __spin_lock_solid (lock);
  32 }
  33
  34 void
  35 __mutex_unlock_solid (void *lock)
  36 {
  37 }