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Added some utility macros to the module, not yet used anywhere. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@16394 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio 2023-09-14 07:57:53 +00:00
parent 83ac85364d
commit 45b9849681
1 changed files with 61 additions and 1 deletions
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62
os/rt/include/chlists.h
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@ -124,7 +124,67 @@ struct ch_delta_list {
* @param[in] name the name of the queue variable
*/
#define CH_QUEUE_DECL(name) \
ch_queue_t name = __CH_QUEUE_DATA(name)
ch_queue_t name = __CH_QUEUE_DATA(name)
/**
* @brief Iterate over a queue list forwards
*
* @param[in] pos pointer to @p ch_queue_t object to use as a loop cursor
* @param[in] head pointer to @p ch_queue_t head of queue
*
* @notapi
*/
#define ch_queue_for_each(pos, head) \
for (pos = (head)->next; pos != (head); pos = pos->next)
/**
* @brief Iterate over a queue list backwards
*
* @param[in] pos pointer to @p ch_queue_t object to use as a loop cursor
* @param[in] head pointer to @p ch_queue_t head of queue
*
* @notapi
*/
#define ch_queue_for_each_reverse(pos, head) \
for (pos = (head)->prev; pos != (head); pos = pos->prev)
/**
* @brief Get the enclosing object of a queue object
*
* @param[in] ptr pointer to the member @p ch_queue_t object
* @param[in] type the type of the enclosing object
* @param[in] member the name of the @p ch_queue_t object
*
* @notapi
*/
#define ch_queue_get_owner(ptr, type, member) \
__CH_OWNEROF(ptr, type, member)
/**
* @brief Get the first entry of a queue
* @note The queue is assumed to be not empty
*
* @param[in] head pointer to @p ch_queue_t head of queue
* @param[in] type the type of the enclosing object
* @param[in] member the name of the @p ch_queue_t object
*
* @notapi
*/
#define ch_queue_first_owner(head, type, member) \
__CH_OWNEROF((head)->next, type, member)
/**
* @brief Get the last entry of a queue
* @note The queue is assumed to be not empty
*
* @param[in] head pointer to @p ch_queue_t head of queue
* @param[in] type the type of the enclosing object
* @param[in] member the name of the @p ch_queue_t object
*
* @notapi
*/
#define ch_queue_last_owner(head, type, member) \
__CH_OWNEROF((head)->prev, type, member)
/*===========================================================================*/
/* External declarations. */