initspin.h 1.3 KB

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  1. /* PA-RISC specific definitions for spinlock initializers.
  2. Copyright (C) 2000, 2001 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public License as
  6. published by the Free Software Foundation; either version 2.1 of the
  7. License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; see the file COPYING.LIB. If not,
  14. write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  15. Boston, MA 02111-1307, USA. */
  16. /* Initial value of a spinlock. PA-RISC only implements atomic load
  17. and clear so this must be non-zero. */
  18. #define __LT_SPINLOCK_INIT 1
  19. /* Macros for lock initializers, using the above definition. */
  20. #define __LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT }
  21. #define __ALT_LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT }
  22. #define __ATOMIC_INITIALIZER { 0, __LT_SPINLOCK_INIT }