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kernel: convert k_msgq 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 2017-10-02 10:53:06 -07:00 • committed by Andrew Boie
commit 82edb6e806
2 changed files with 93 additions and 12 deletions
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18
include/kernel.h
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@ -2862,8 +2862,8 @@ struct k_msgq {
*
* @return N/A
*/
extern void k_msgq_init(struct k_msgq *q, char *buffer,
size_t msg_size, u32_t max_msgs);
__syscall void k_msgq_init(struct k_msgq *q, char *buffer,
size_t msg_size, u32_t max_msgs);
/**
* @brief Send a message to a message queue.
@ -2881,7 +2881,7 @@ extern void k_msgq_init(struct k_msgq *q, char *buffer,
* @retval -ENOMSG Returned without waiting or queue purged.
* @retval -EAGAIN Waiting period timed out.
*/
extern int k_msgq_put(struct k_msgq *q, void *data, s32_t timeout);
__syscall int k_msgq_put(struct k_msgq *q, void *data, s32_t timeout);
/**
* @brief Receive a message from a message queue.
@ -2900,7 +2900,7 @@ extern int k_msgq_put(struct k_msgq *q, void *data, s32_t timeout);
* @retval -ENOMSG Returned without waiting.
* @retval -EAGAIN Waiting period timed out.
*/
extern int k_msgq_get(struct k_msgq *q, void *data, s32_t timeout);
__syscall int k_msgq_get(struct k_msgq *q, void *data, s32_t timeout);
/**
* @brief Purge a message queue.
@ -2913,7 +2913,7 @@ extern int k_msgq_get(struct k_msgq *q, void *data, s32_t timeout);
*
* @return N/A
*/
extern void k_msgq_purge(struct k_msgq *q);
__syscall void k_msgq_purge(struct k_msgq *q);
/**
* @brief Get the amount of free space in a message queue.
@ -2925,7 +2925,9 @@ extern void k_msgq_purge(struct k_msgq *q);
*
* @return Number of unused ring buffer entries.
*/
static inline u32_t k_msgq_num_free_get(struct k_msgq *q)
__syscall u32_t k_msgq_num_free_get(struct k_msgq *q);
static inline u32_t _impl_k_msgq_num_free_get(struct k_msgq *q)
{
return q->max_msgs - q->used_msgs;
}
@ -2939,7 +2941,9 @@ static inline u32_t k_msgq_num_free_get(struct k_msgq *q)
*
* @return Number of messages.
*/
static inline u32_t k_msgq_num_used_get(struct k_msgq *q)
__syscall u32_t k_msgq_num_used_get(struct k_msgq *q);
static inline u32_t _impl_k_msgq_num_used_get(struct k_msgq *q)
{
return q->used_msgs;
}