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queue: Add k_queue_remove

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k_queue_remove can be used to remove an element from any
position in the queue.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2017-07-03 16:52:45 +03:00 • committed by Anas Nashif
commit 50b9377b45
1 changed files with 19 additions and 0 deletions
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19
include/kernel.h
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@ -1465,6 +1465,25 @@ extern void k_queue_merge_slist(struct k_queue *queue, sys_slist_t *list);
*/
extern void *k_queue_get(struct k_queue *queue, s32_t timeout);
/**
* @brief Remove an element from a queue.
*
* This routine removes data item from @a queue. The first 32 bits of the
* data item are reserved for the kernel's use. Removing elements from k_queue
* rely on sys_slist_find_and_remove which is not a constant time operation.
*
* @note Can be called by ISRs
*
* @param queue Address of the queue.
* @param data Address of the data item.
*
* @return true if data item was removed
*/
static inline bool k_queue_remove(struct k_queue *queue, void *data)
{
return sys_slist_find_and_remove(&queue->data_q, (sys_snode_t *)data);
}
/**
* @brief Query a queue to see if it has data available.
*