mach/mutex-solid.c

   1 /* Stub versions of mutex_lock_solid/mutex_unlock_solid for no -lthreads.
   2    Copyright (C) 1995-2021 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, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <lock-intern.h>
  20
  21 /* If pthread is linked in, it will define these functions itself to do
  22    real pthread mutex locks.  This file will only be linked in when
  23    pthread is not used, and `mutexes' are in fact just spin locks (and
  24    some unused storage).  */
  25
  26 void
  27 __mutex_lock_solid (void *lock)
  28 {
  29   __spin_lock_solid (lock);
  30 }
  31
  32 void
  33 __mutex_unlock_solid (void *lock)
  34 {
  35 }