| #ifndef __LINUX_SPINLOCK_TYPES_RT_H |
| #define __LINUX_SPINLOCK_TYPES_RT_H |
| |
| #ifndef __LINUX_SPINLOCK_TYPES_H |
| #error "Do not include directly. Include spinlock_types.h instead" |
| #endif |
| |
| /* |
| * PREEMPT_RT: spinlocks - an RT mutex plus lock-break field: |
| */ |
| typedef struct spinlock { |
| struct rt_mutex lock; |
| unsigned int break_lock; |
| #ifdef CONFIG_DEBUG_LOCK_ALLOC |
| struct lockdep_map dep_map; |
| #endif |
| } spinlock_t; |
| |
| #ifdef CONFIG_DEBUG_RT_MUTEXES |
| # define __RT_SPIN_INITIALIZER(name) \ |
| { \ |
| .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock), \ |
| .save_state = 1, \ |
| .file = __FILE__, \ |
| .line = __LINE__ , \ |
| } |
| #else |
| # define __RT_SPIN_INITIALIZER(name) \ |
| { \ |
| .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock), \ |
| .save_state = 1, \ |
| } |
| #endif |
| |
| /* |
| .wait_list = PLIST_HEAD_INIT_RAW((name).lock.wait_list, (name).lock.wait_lock) |
| */ |
| |
| #define __SPIN_LOCK_UNLOCKED(name) \ |
| { .lock = __RT_SPIN_INITIALIZER(name.lock), \ |
| SPIN_DEP_MAP_INIT(name) } |
| |
| #define __DEFINE_SPINLOCK(name) \ |
| spinlock_t name = __SPIN_LOCK_UNLOCKED(name) |
| |
| #define DEFINE_SPINLOCK(name) \ |
| spinlock_t name __cacheline_aligned_in_smp = __SPIN_LOCK_UNLOCKED(name) |
| |
| #endif |