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#ifndef __LINUX_RWLOCK_TYPES_RT_H
#define __LINUX_RWLOCK_TYPES_RT_H
#ifndef __LINUX_SPINLOCK_TYPES_H
#error "Do not include directly. Include spinlock_types.h instead"
#endif
/*
* rwlocks - rtmutex which allows single reader recursion
*/
typedef struct {
struct rt_mutex lock;
int read_depth;
unsigned int break_lock;
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lockdep_map dep_map;
#endif
} rwlock_t;
#ifdef CONFIG_DEBUG_LOCK_ALLOC
# define RW_DEP_MAP_INIT(lockname) .dep_map = { .name = #lockname }
#else
# define RW_DEP_MAP_INIT(lockname)
#endif
#define __RW_LOCK_UNLOCKED(name) \
{ .lock = __RT_MUTEX_INITIALIZER_SAVE_STATE(name.lock), \
RW_DEP_MAP_INIT(name) }
#define DEFINE_RWLOCK(name) \
rwlock_t name __cacheline_aligned_in_smp = __RW_LOCK_UNLOCKED(name)
#endif
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