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Diffstat (limited to 'lib/libc/include/spinlock.h')
| -rw-r--r-- | lib/libc/include/spinlock.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/lib/libc/include/spinlock.h b/lib/libc/include/spinlock.h deleted file mode 100644 index 31e7744f0af..00000000000 --- a/lib/libc/include/spinlock.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by John Birrell. - * 4. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $Id: spinlock.h,v 1.2 1998/12/18 05:59:17 d Exp $ - * $OpenBSD: spinlock.h,v 1.2 1998/12/18 05:59:17 d Exp $ - * - * Lock definitions used in both libc and libpthread. - * - */ - -#ifndef _SPINLOCK_H_ -#define _SPINLOCK_H_ -#include <sys/cdefs.h> -#include <sys/types.h> - -/* - * Lock structure with room for debugging information. - */ -typedef struct { - volatile register_t access_lock; - volatile long lock_owner; - volatile const char * fname; - volatile int lineno; -} spinlock_t; - -#define _SPINLOCK_INITIALIZER { 0, 0, 0, 0 } - -#define _SPINUNLOCK(_lck) (_lck)->access_lock = 0 -#ifdef _LOCK_DEBUG -#define _SPINLOCK(_lck) _spinlock_debug(_lck, __FILE__, __LINE__) -#else -#define _SPINLOCK(_lck) _spinlock(_lck) -#endif - -/* - * Thread function prototype definitions: - */ -__BEGIN_DECLS -register_t _atomic_lock __P((volatile register_t *)); -int _atomic_is_locked __P((volatile register_t *)); -register_t _thread_slow_atomic_lock __P((volatile register_t *)); -void _spinlock __P((spinlock_t *)); -void _spinlock_debug __P((spinlock_t *, const char *, int)); -__END_DECLS - -#endif /* _SPINLOCK_H_ */ |