https://github.com/torvalds/linux
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Tip revision: 8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 authored by Linus Torvalds on 23 March 2009, 23:12:14 UTC
Linux 2.6.29
Tip revision: 8e0ee43
spinlock_types_up.h
#ifndef __LINUX_SPINLOCK_TYPES_UP_H
#define __LINUX_SPINLOCK_TYPES_UP_H

#ifndef __LINUX_SPINLOCK_TYPES_H
# error "please don't include this file directly"
#endif

/*
 * include/linux/spinlock_types_up.h - spinlock type definitions for UP
 *
 * portions Copyright 2005, Red Hat, Inc., Ingo Molnar
 * Released under the General Public License (GPL).
 */

#ifdef CONFIG_DEBUG_SPINLOCK

typedef struct {
	volatile unsigned int slock;
} raw_spinlock_t;

#define __RAW_SPIN_LOCK_UNLOCKED { 1 }

#else

typedef struct { } raw_spinlock_t;

#define __RAW_SPIN_LOCK_UNLOCKED { }

#endif

typedef struct {
	/* no debug version on UP */
} raw_rwlock_t;

#define __RAW_RW_LOCK_UNLOCKED { }

#endif /* __LINUX_SPINLOCK_TYPES_UP_H */
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