1 /* Generic definitions for spinlock initializers.
2 Copyright (C) 2000, 2001 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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 License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If
17 not, see <http://www.gnu.org/licenses/>. */
19 /* Initial value of a spinlock. Most platforms should use zero,
20 unless they only implement a "test and clear" operation instead of
21 the usual "test and set". */
22 #define __LT_SPINLOCK_INIT 0
24 /* Macros for lock initializers, using the above definition. */
25 #define __LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT }
26 #define __ALT_LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT }
27 #define __ATOMIC_INITIALIZER { 0, __LT_SPINLOCK_INIT }