lock.h File Reference

Simple L4 locks. More...

#include <l4/env/cdefs.h>
#include <l4/semaphore/semaphore.h>
#include <l4/lock/types.h>

Go to the source code of this file.

Functions

L4_INLINE void l4lock_lock (l4lock_t *lock)

Occupy lock.

L4_INLINE int l4lock_try_lock (l4lock_t *lock)

Try to occupy lock, return error if lock already owned by someone else.

L4_INLINE void l4lock_unlock (l4lock_t *lock)

Release lock.

L4_INLINE l4thread_t l4lock_owner (const l4lock_t *lock)

Return lock owner.

Detailed Description

Simple L4 locks.

Simple, semaphore-based lock implementation.

Definition in file lock.h.


Functions
L4_INLINE void	l4lock_lock (l4lock_t *lock)
	Occupy lock.
L4_INLINE int	l4lock_try_lock (l4lock_t *lock)
	Try to occupy lock, return error if lock already owned by someone else.
L4_INLINE void	l4lock_unlock (l4lock_t *lock)
	Release lock.
L4_INLINE l4thread_t	l4lock_owner (const l4lock_t *lock)
	Return lock owner.