[linux.git] / include / linux / 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;
} arch_spinlock_t;

#define __ARCH_SPIN_LOCK_UNLOCKED { 1 }

#else

typedef struct { } arch_spinlock_t;

#define __ARCH_SPIN_LOCK_UNLOCKED { }

#endif

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

#define __ARCH_RW_LOCK_UNLOCKED { }

#endif /* __LINUX_SPINLOCK_TYPES_UP_H */
Commit	Line	Data
fb1c8f93 IM	1	#ifndef __LINUX_SPINLOCK_TYPES_UP_H
	2	#define __LINUX_SPINLOCK_TYPES_UP_H
	3
	4	#ifndef __LINUX_SPINLOCK_TYPES_H
	5	# error "please don't include this file directly"
	6	#endif
	7
	8	/*
	9	* include/linux/spinlock_types_up.h - spinlock type definitions for UP
	10	*
	11	* portions Copyright 2005, Red Hat, Inc., Ingo Molnar
	12	* Released under the General Public License (GPL).
	13	*/
	14
21f8ca3b	15	#ifdef CONFIG_DEBUG_SPINLOCK
fb1c8f93 IM	16
	17	typedef struct {
	18	volatile unsigned int slock;
445c8951	19	} arch_spinlock_t;
fb1c8f93	20
edc35bd7	21	#define __ARCH_SPIN_LOCK_UNLOCKED { 1 }
fb1c8f93 IM	22
	23	#else
	24
445c8951	25	typedef struct { } arch_spinlock_t;
fb1c8f93	26
edc35bd7	27	#define __ARCH_SPIN_LOCK_UNLOCKED { }
fb1c8f93 IM	28
	29	#endif
	30
fb1c8f93 IM	31	typedef struct {
fb1c8f93 IM	32	/* no debug version on UP */
fb3a6bbc	33	} arch_rwlock_t;
fb1c8f93	34
fb3a6bbc	35	#define __ARCH_RW_LOCK_UNLOCKED { }
fb1c8f93 IM	36
fb1c8f93 IM	37	#endif /* __LINUX_SPINLOCK_TYPES_UP_H */