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#define KERN_RCU_H_
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#define KERN_RCU_H_
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#include <arch/types.h>
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#include <arch/types.h>
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#include <proc/tasklet.h>
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#include <proc/tasklet.h>
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#include <arch/barrier.h>
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#include <arch/barrier.h>
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#include <arch.h>
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#include <preemption.h>
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#include <preemption.h>
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/** Read lock for RCU protected pointer */
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/** Read lock for RCU protected pointer */
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#define rcu_read_lock preemption_disable()
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#define rcu_read_lock() preemption_disable()
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/** Release of read lock for RCU protected pointer */
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/** Release of read lock for RCU protected pointer */
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#define rcu_read_unlock preemption_enable()
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#define rcu_read_unlock() preemption_enable()
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/** Dereferencing of an RCU protected pointer */
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/** Dereferencing of an RCU protected pointer */
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#define rcu_dereference_pointer(p) (*(p))
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#define rcu_dereference_pointer(p) (*(p))
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/** Assigning a value to an RCU protected pointer */
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/** Assigning a value to an RCU protected pointer */
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#define rcu_assign_pointer(p, newp) {write_barrier(); (p)=(newp)}
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#define rcu_assign_pointer(p, newp) {write_barrier(); (p)=(newp);}
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void rcu_init(void);
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void rcu_init(void);
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void rcu_synchronize(void);
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void rcu_synchronize(void);
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void rcu_synchronize_callback_function(void* waitq);
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void rcu_synchronize_callback_function(void* waitq);
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void rcu_sync_callback(void (*func)(void* data), void* data);
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void rcu_sync_callback(void (*func)(void* data), void* data);
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void rcu_tasklet(void* data);  
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inline void rcu_passQS(void);
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void rcu_run_callbacks(void);
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#endif
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#endif