[IA64] implement ticket locks for Itanium
[linux-2.6.git] / arch / ia64 / include / asm / spinlock_types.h
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 long lock;
10 } raw_spinlock_t;
11
12 #define __RAW_SPIN_LOCK_UNLOCKED        { 0 }
13
14 typedef struct {
15         volatile unsigned int read_counter      : 31;
16         volatile unsigned int write_lock        :  1;
17 } raw_rwlock_t;
18
19 #define __RAW_RW_LOCK_UNLOCKED          { 0, 0 }
20
21 #endif