https://github.com/torvalds/linux
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Tip revision: 669df1b478803f49a356528d290af7bf442eb3be authored by Linus Torvalds on 01 January 2007, 00:53:20 UTC
Linux 2.6.20-rc3
Tip revision: 669df1b
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).
 */

#if defined(CONFIG_DEBUG_SPINLOCK) || \
	defined(CONFIG_DEBUG_LOCK_ALLOC)

typedef struct {
	volatile unsigned int slock;
#ifdef CONFIG_DEBUG_LOCK_ALLOC
	struct lockdep_map dep_map;
#endif
} 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 */
#ifdef CONFIG_DEBUG_LOCK_ALLOC
	struct lockdep_map dep_map;
#endif
} raw_rwlock_t;

#define __RAW_RW_LOCK_UNLOCKED { }

#endif /* __LINUX_SPINLOCK_TYPES_UP_H */
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