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 *
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 *
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 */
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 */
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void task_init(void)
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void task_init(void)
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{
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{
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    TASK = NULL;
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    TASK = NULL;
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    spinlock_initialize(&tasks_lock);
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    spinlock_initialize(&tasks_lock, "tasks_lock");
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    list_initialize(&tasks_head);
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    list_initialize(&tasks_head);
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}
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}
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/** Create new task
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/** Create new task
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    ipl_t ipl;
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    ipl_t ipl;
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    task_t *ta;
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    task_t *ta;
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    ta = (task_t *) malloc(sizeof(task_t));
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    ta = (task_t *) malloc(sizeof(task_t));
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    if (ta) {
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    if (ta) {
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        spinlock_initialize(&ta->lock);
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        spinlock_initialize(&ta->lock, "task_ta_lock");
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        list_initialize(&ta->th_head);
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        list_initialize(&ta->th_head);
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        list_initialize(&ta->tasks_link);
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        list_initialize(&ta->tasks_link);
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        ta->vm = m;
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        ta->vm = m;
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        ipl = interrupts_disable();
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        ipl = interrupts_disable();