1 #ifndef _ASM_IA64_SPINLOCK_TYPES_H 2 #define _ASM_IA64_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 read_counter : 31; 16 volatile unsigned int write_lock : 1; 17 } arch_rwlock_t; 18 19 #define __ARCH_RW_LOCK_UNLOCKED { 0, 0 } 20 21 #endif 22