1 #ifndef _ALPHA_SPINLOCK_TYPES_H 2 #define _ALPHA_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 { 9 volatile unsigned int lock; 10 } arch_spinlock_t; 11 12 #define __ARCH_SPIN_LOCK_UNLOCKED { 0 } 13 14 typedef struct { 15 volatile unsigned int lock; 16 } arch_rwlock_t; 17 18 #define __ARCH_RW_LOCK_UNLOCKED { 0 } 19 20 #endif 21