29 lines
1.3 KiB
C
29 lines
1.3 KiB
C
/* Generic definitions for spinlock initializers.
|
|
Copyright (C) 2000, 2001 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public License as
|
|
published by the Free Software Foundation; either version 2.1 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
/* Initial value of a spinlock. Most platforms should use zero,
|
|
unless they only implement a "test and clear" operation instead of
|
|
the usual "test and set". */
|
|
#define __LT_SPINLOCK_INIT 0
|
|
|
|
/* Macros for lock initializers, using the above definition. */
|
|
#define __LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT }
|
|
#define __ALT_LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT }
|
|
#define __ATOMIC_INITIALIZER { 0, __LT_SPINLOCK_INIT }
|