1#ifndef _ASM_POWERPC_SPINLOCK_TYPES_H 2#define _ASM_POWERPC_SPINLOCK_TYPES_H 3 4#ifndef __LINUX_SPINLOCK_TYPES_H 5# error "please don't include this file directly" 6#endif 7 8typedef struct { 9 volatile unsigned int slock; 10} arch_spinlock_t; 11 12#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } 13 14typedef struct { 15 volatile signed int lock; 16} arch_rwlock_t; 17 18#define __ARCH_RW_LOCK_UNLOCKED { 0 } 19 20#endif 21