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# Opgaver
> Find 4 functioner til task, semafor, queue og message.
# Task
`k_crt_task` creates a new task and places it in the ready queue.
`k_set_prio` sets the priority of running task.
`k_sleep` put the task to sleep for some time.
`ki_task_shift` brugt internt til at skrift task.
# Semafor
`k_crt_sem` initialises a new semafor.
`k_mut_ceil_set` is called before k\_start.
And can be used to leverage priorities when other task i waiting. **I THINK**.
`k_set_sem_timer` setup a timer to trigger a semophore periodicly.
`k_signal` signal a semophore.
`k_wait` wait on a semophore.
# Queue
`k_crt_send_Q` create a new message queue.
# Message
`k_send` send a message to recieving task.
`k_receive` wait for a message froms other task.
Også funktioner til brug i interrupt, de har bare `ki_bla_bla` istedet.
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