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kernel: convert k_sem APIs to system calls

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Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2017-09-23 12:51:23 -07:00 • committed by Andrew Boie
commit fc273c0b23
4 changed files with 102 additions and 10 deletions
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34
include/kernel.h
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@ -2477,8 +2477,13 @@ struct k_sem {
*
* @return N/A
*/
extern void k_sem_init(struct k_sem *sem, unsigned int initial_count,
unsigned int limit);
static inline void k_sem_init(struct k_sem *sem, unsigned int initial_count,
unsigned int limit);
K_SYSCALL_DECLARE3_VOID(K_SYSCALL_SEM_INIT, k_sem_init,
struct k_sem *, sem,
unsigned int, initial_count,
unsigned int, limit);
/**
* @brief Take a semaphore.
@ -2501,7 +2506,11 @@ extern void k_sem_init(struct k_sem *sem, unsigned int initial_count,
* @retval -EBUSY Returned without waiting.
* @retval -EAGAIN Waiting period timed out.
*/
extern int k_sem_take(struct k_sem *sem, s32_t timeout);
static inline int k_sem_take(struct k_sem *sem, s32_t timeout);
K_SYSCALL_DECLARE2(K_SYSCALL_SEM_TAKE, k_sem_take, int,
struct k_sem *, sem,
s32_t, timeout);
/**
* @brief Give a semaphore.
@ -2515,7 +2524,10 @@ extern int k_sem_take(struct k_sem *sem, s32_t timeout);
*
* @return N/A
*/
extern void k_sem_give(struct k_sem *sem);
static inline void k_sem_give(struct k_sem *sem);
K_SYSCALL_DECLARE1_VOID(K_SYSCALL_SEM_GIVE, k_sem_give,
struct k_sem *, sem);
/**
* @brief Reset a semaphore's count to zero.
@ -2526,11 +2538,16 @@ extern void k_sem_give(struct k_sem *sem);
*
* @return N/A
*/
static inline void k_sem_reset(struct k_sem *sem)
static inline void k_sem_reset(struct k_sem *sem);
static inline void _impl_k_sem_reset(struct k_sem *sem)
{
sem->count = 0;
}
K_SYSCALL_DECLARE1_VOID_INLINE(K_SYSCALL_SEM_RESET, k_sem_reset,
struct k_sem *, sem);
/**
* @brief Get a semaphore's count.
*
@ -2540,11 +2557,16 @@ static inline void k_sem_reset(struct k_sem *sem)
*
* @return Current semaphore count.
*/
static inline unsigned int k_sem_count_get(struct k_sem *sem)
static inline unsigned int k_sem_count_get(struct k_sem *sem);
static inline unsigned int _impl_k_sem_count_get(struct k_sem *sem)
{
return sem->count;
}
K_SYSCALL_DECLARE1_INLINE(K_SYSCALL_SEM_COUNT_GET, k_sem_count_get,
unsigned int, struct k_sem *, sem);
/**
* @brief Statically define and initialize a semaphore.
*