[deliverable/linux.git] / arch / ia64 / include / asm / spinlock_types.h

#ifndef _ASM_IA64_SPINLOCK_TYPES_H
#define _ASM_IA64_SPINLOCK_TYPES_H

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

typedef struct {
	volatile unsigned int lock;
} arch_spinlock_t;

#define __ARCH_SPIN_LOCK_UNLOCKED	{ 0 }

typedef struct {
	volatile unsigned int read_counter	: 31;
	volatile unsigned int write_lock	:  1;
} arch_rwlock_t;

#define __ARCH_RW_LOCK_UNLOCKED		{ 0, 0 }

#endif
Commit	Line	Data
fb1c8f93 IM	1	#ifndef _ASM_IA64_SPINLOCK_TYPES_H
	2	#define _ASM_IA64_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 {
9d40ee20	9	volatile unsigned int lock;
445c8951	10	} arch_spinlock_t;
fb1c8f93	11
edc35bd7	12	#define __ARCH_SPIN_LOCK_UNLOCKED { 0 }
fb1c8f93 IM	13
	14	typedef struct {
	15	volatile unsigned int read_counter : 31;
	16	volatile unsigned int write_lock : 1;
fb3a6bbc	17	} arch_rwlock_t;
fb1c8f93	18
fb3a6bbc	19	#define __ARCH_RW_LOCK_UNLOCKED { 0, 0 }
fb1c8f93 IM	20
fb1c8f93 IM	21	#endif