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. 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 License as 7 published by the Free Software Foundation; either version 2.1 of the 8 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; see the file COPYING.LIB. If 17 not, see <http://www.gnu.org/licenses/>. */ 18 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 23 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 } 28