1  /* Stub versions of mutex_lock_solid/mutex_unlock_solid for no -lthreads.
       2     Copyright (C) 1995-2023 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  }