Priority management
[L4 Thread Library API Reference]

Typedefs
typedef l4_int32_t	l4_prio_t
	Thread priority type.
Functions
L4_CV l4_prio_t	l4thread_get_prio (l4thread_t thread)
	Get priority.
L4_CV int	l4thread_set_prio (l4thread_t thread, l4_prio_t prio)
	Set priority.

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Typedef Documentation

typedef l4_int32_t l4_prio_t

Thread priority type.

The valid priority range depends on the L4 kernel, currently it is 0-255.

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Function Documentation

L4_CV l4_prio_t l4thread_get_prio

(

l4thread_t

thread

)

Get priority.

Parameters:

thread

Thread id.

Returns:

Priority of thread (>= 0), error code otherwise (< 0):

• -L4_EINVAL invalid thread id

Return the L4 priority of thread thread.

L4_CV int l4thread_set_prio	(	l4thread_t	thread,
		l4_prio_t	prio
	)

Set priority.

Parameters:

	thread	Thread id.
	prio	New priority.

Returns:

0 on success, error code otherwise:

• -L4_EINVAL Invalid thread id or priority.

Set the L4 priority of thread to prio.