[linux-2.6-block.git] / include / asm-sh / spinlock_types.h

#ifndef __ASM_SH_SPINLOCK_TYPES_H
#define __ASM_SH_SPINLOCK_TYPES_H

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

typedef struct {
	volatile unsigned long lock;
} raw_spinlock_t;

#define __RAW_SPIN_LOCK_UNLOCKED	{ 1 }

#include <asm/atomic.h>

typedef struct {
	raw_spinlock_t lock;
	atomic_t counter;
} raw_rwlock_t;

#define RW_LOCK_BIAS			0x01000000
#define __RAW_RW_LOCK_UNLOCKED		{ { 0 }, { RW_LOCK_BIAS } }

#endif
Commit	Line	Data
fb1c8f93 IM	1	#ifndef __ASM_SH_SPINLOCK_TYPES_H
	2	#define __ASM_SH_SPINLOCK_TYPES_H
	3
	4	#ifndef __LINUX_SPINLOCK_TYPES_H
	5	# error "please don't include this file directly"
	6	#endif
	7
	8	typedef struct {
	9	volatile unsigned long lock;
	10	} raw_spinlock_t;
	11
66c5227e EP	12	#define __RAW_SPIN_LOCK_UNLOCKED { 1 }
	13
	14	#include <asm/atomic.h>
fb1c8f93 IM	15
	16	typedef struct {
	17	raw_spinlock_t lock;
	18	atomic_t counter;
	19	} raw_rwlock_t;
	20
	21	#define RW_LOCK_BIAS 0x01000000
	22	#define __RAW_RW_LOCK_UNLOCKED { { 0 }, { RW_LOCK_BIAS } }
	23
	24	#endif