| Ingo Molnar | fb1c8f9 | 2005-09-10 00:25:56 -0700 | [diff] [blame] | 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 { |
| Tony Luck | 9d40ee2 | 2009-10-07 10:54:19 -0700 | [diff] [blame] | 9 | volatile unsigned int lock; |
| Thomas Gleixner | 445c895 | 2009-12-02 19:49:50 +0100 | [diff] [blame] | 10 | } arch_spinlock_t; |
| Ingo Molnar | fb1c8f9 | 2005-09-10 00:25:56 -0700 | [diff] [blame] | 11 | |
| Thomas Gleixner | edc35bd | 2009-12-03 12:38:57 +0100 | [diff] [blame] | 12 | #define __ARCH_SPIN_LOCK_UNLOCKED { 0 } |
| Ingo Molnar | fb1c8f9 | 2005-09-10 00:25:56 -0700 | [diff] [blame] | 13 | |
| 14 | typedef struct { |
| 15 | volatile unsigned int read_counter : 31; |
| 16 | volatile unsigned int write_lock : 1; |
| Thomas Gleixner | fb3a6bb | 2009-12-03 20:01:19 +0100 | [diff] [blame] | 17 | } arch_rwlock_t; |
| Ingo Molnar | fb1c8f9 | 2005-09-10 00:25:56 -0700 | [diff] [blame] | 18 | |
| Thomas Gleixner | fb3a6bb | 2009-12-03 20:01:19 +0100 | [diff] [blame] | 19 | #define __ARCH_RW_LOCK_UNLOCKED { 0, 0 } |
| Ingo Molnar | fb1c8f9 | 2005-09-10 00:25:56 -0700 | [diff] [blame] | 20 | |
| 21 | #endif |