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#include <ipc/ipc.h>
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#include <ipc/ipc.h>
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#include <synch/spinlock.h>
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#include <synch/spinlock.h>
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#include <synch/mutex.h>
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#include <synch/mutex.h>
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#include <synch/rwlock.h>
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#include <synch/rwlock.h>
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#include <synch/futex.h>
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#include <synch/futex.h>
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#include <adt/avl.h>
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#include <adt/btree.h>
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#include <adt/btree.h>
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#include <adt/list.h>
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#include <adt/list.h>
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#include <security/cap.h>
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#include <security/cap.h>
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#include <arch/proc/task.h>
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#include <arch/proc/task.h>
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#include <arch/proc/thread.h>
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#include <arch/proc/thread.h>
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struct thread;
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struct thread;
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/** Task structure. */
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/** Task structure. */
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typedef struct task {
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typedef struct task {
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    /** Task's linkage for the tasks_tree AVL tree. */
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    avltree_node_t tasks_tree_node;
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    /** Task lock.
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    /** Task lock.
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     *
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     *
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     * Must be acquired before threads_lock and thread lock of any of its
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     * Must be acquired before threads_lock and thread lock of any of its
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     * threads.
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     * threads.
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     */
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     */
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    /** Accumulated accounting. */
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    /** Accumulated accounting. */
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    uint64_t cycles;
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    uint64_t cycles;
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} task_t;
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} task_t;
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SPINLOCK_EXTERN(tasks_lock);
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SPINLOCK_EXTERN(tasks_lock);
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extern btree_t tasks_btree;
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extern avltree_t tasks_tree;
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extern void task_init(void);
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extern void task_init(void);
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extern void task_done(void);
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extern void task_done(void);
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extern task_t *task_create(as_t *as, char *name);
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extern task_t *task_create(as_t *as, char *name);
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extern void task_destroy(task_t *t);
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extern void task_destroy(task_t *t);