https://github.com/torvalds/linux
Raw File
Tip revision: b07d68b5ca4d55a16fab223d63d5fb36f89ff42f authored by Linus Torvalds on 28 August 2007, 01:32:35 UTC
Linux 2.6.23-rc4
Tip revision: b07d68b
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
back to top