https://github.com/torvalds/linux
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Tip revision: 29594404d7fe73cd80eaa4ee8c43dcc53970c60e authored by Linus Torvalds on 11 December 2012, 03:30:57 UTC
Linux 3.7
Tip revision: 2959440
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
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