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linux-2.6
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linux-2.6/include/asm-s390/spinlock_types.h

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C

#ifndef __ASM_SPINLOCK_TYPES_H
#define __ASM_SPINLOCK_TYPES_H
#ifndef __LINUX_SPINLOCK_TYPES_H
# error "please don't include this file directly"
#endif
typedef struct {
volatile unsigned int owner_cpu;
} __attribute__ ((aligned (4))) raw_spinlock_t;
#define __RAW_SPIN_LOCK_UNLOCKED { 0 }
typedef struct {
volatile unsigned int lock;
} raw_rwlock_t;
#define __RAW_RW_LOCK_UNLOCKED { 0 }
#endif