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#define KERN_TIMEOUT_H_
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#define KERN_TIMEOUT_H_
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#include <arch/types.h>
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#include <arch/types.h>
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#if defined CONFIG_TIMEOUT_AVL_TREE
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#if defined CONFIG_TIMEOUT_AVL_TREE
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#include <adt/avl.h>
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#include <adt/avl.h>
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#elif defined CONFIG_TIMEOUT_FAVL_TREE
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#include <adt/favl.h>
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#elif defined CONFIG_TIMEOUT_EXTAVL_TREE
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#elif defined CONFIG_TIMEOUT_EXTAVL_TREE
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#include <adt/extavl.h>
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#include <adt/extavl.h>
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#elif defined CONFIG_TIMEOUT_EXTAVLREL_TREE
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#elif defined CONFIG_TIMEOUT_EXTAVLREL_TREE
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#include <adt/extavlrel.h>
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#include <adt/extavlrel.h>
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#else
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#else
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#include <cpu.h>
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#include <cpu.h>
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typedef void (* timeout_handler_t)(void *arg);
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typedef void (* timeout_handler_t)(void *arg);
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#if defined CONFIG_TIMEOUT_AVL_TREE
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typedef struct {
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typedef struct {
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    SPINLOCK_DECLARE(lock);
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    SPINLOCK_DECLARE(lock);
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    /**
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     * AVL tree node structure holds information
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     * about connections with other timeouts.
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     */
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    avltree_node_t node;
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    /** Function that will be called on timeout activation. */
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    timeout_handler_t handler;
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    /** Argument to be passed to handler() function. */
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    void *arg;
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    /** On which processor is this timeout registered. */
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    cpu_t *cpu;
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} timeout_t;
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#if defined CONFIG_TIMEOUT_AVL_TREE
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    /** Avl tree holding information about connections with other timeouts.
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     * Experimental use only. */
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    avltree_node_t node;
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#elif defined CONFIG_TIMEOUT_FAVL_TREE
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    /** Fast Avl tree holding information about connections with other timeouts.
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     * Use this structure instead of Avl tree. */
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    favltree_node_t node;
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#elif defined CONFIG_TIMEOUT_EXTAVL_TREE
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#elif defined CONFIG_TIMEOUT_EXTAVL_TREE
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typedef struct {
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    SPINLOCK_DECLARE(lock);
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    /**
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     * Extended AVL tree node structure holds information
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     * about connections with other timeouts.
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    /** Extended Avl tree holding information about connections with other timeouts. */
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     */
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    extavltree_node_t node;
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    extavltree_node_t node;
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    /** Function that will be called on timeout activation. */
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    timeout_handler_t handler;
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    /** Argument to be passed to handler() function. */
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    void *arg;
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    /** On which processor is this timeout registered. */
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    cpu_t *cpu;
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} timeout_t;
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#elif defined CONFIG_TIMEOUT_EXTAVLREL_TREE
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#elif defined CONFIG_TIMEOUT_EXTAVLREL_TREE
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typedef struct {
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    SPINLOCK_DECLARE(lock);
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    /**
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     * Extended AVL tree with relative keys node structure holds information
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    /** Extended Avl tree with relative keys holding information about connections
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     * about connections with other timeouts.
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     * with other timeouts. */
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     */
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    extavlreltree_node_t node;
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    extavlreltree_node_t node;
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    /** Function that will be called on timeout activation. */
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    timeout_handler_t handler;
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    /** Argument to be passed to handler() function. */
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    void *arg;
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    /** On which processor is this timeout registered. */
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    cpu_t *cpu;
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} timeout_t;
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#else
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#else
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typedef struct {
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    SPINLOCK_DECLARE(lock);
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    /** Link to the list of active timeouts on THE->cpu */
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    /** Link to the list of active timeouts on THE->cpu */
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    link_t link;
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    link_t link;
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    /** Timeout will be activated in this amount of clock() ticks. */  
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    /** Timeout will be activated in this amount of clock() ticks. */  
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    uint64_t ticks;
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    uint64_t ticks;
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#endif
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    /** Function that will be called on timeout activation. */
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    /** Function that will be called on timeout activation. */
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    timeout_handler_t handler;
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    timeout_handler_t handler;
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    /** Argument to be passed to handler() function. */
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    /** Argument to be passed to handler() function. */
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    void *arg;
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    void *arg;
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    /** On which processor is this timeout registered. */
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    /** On which processor is this timeout registered. */
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    cpu_t *cpu;
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    cpu_t *cpu;
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} timeout_t;
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} timeout_t;
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#endif
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#define us2ticks(us)    ((uint64_t) (((uint32_t) (us) / (1000000 / HZ))))
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#define us2ticks(us)    ((uint64_t) (((uint32_t) (us) / (1000000 / HZ))))
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extern void timeout_init(void);
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extern void timeout_init(void);
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extern void timeout_initialize(timeout_t *t);
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extern void timeout_initialize(timeout_t *t);
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extern void timeout_reinitialize(timeout_t *t);
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extern void timeout_reinitialize(timeout_t *t);