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Added new chThdDoDequeueNextI() API. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7286 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio 2014-09-17 10:37:54 +00:00
parent 7fa620e9fb
commit 227f9b7e3e
2 changed files with 29 additions and 18 deletions
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25
os/rt/include/chthreads.h
View File

@ -393,6 +393,31 @@ static inline bool chThdQueueIsEmptyI(threads_queue_t *tqp) {
return queue_isempty(tqp);
}
/**
* @brief Dequeues and wakes up one thread from the threads queue object.
* @details Dequeues one thread from the queue without checking if the queue
* is empty.
* @pre The queue must contain at least an object.
*
* @param[in] tqp pointer to the threads queue object
* @param[in] msg the message code
*
* @iclass
*/
static inline void chThdDoDequeueNextI(threads_queue_t *tqp, msg_t msg) {
thread_t *tp;
chDbgAssert(queue_notempty(tqp), "empty queue");
tp = queue_fifo_remove(tqp);
chDbgAssert(tp->p_state == CH_STATE_QUEUED, "invalid state");
tp->p_u.rdymsg = msg;
chSchReadyI(tp);
}
#endif /* _CHTHREADS_H_ */
/** @} */

22
os/rt/src/chthreads.c
View File

@ -640,15 +640,8 @@ msg_t chThdEnqueueTimeoutS(threads_queue_t *tqp, systime_t timeout) {
*/
void chThdDequeueNextI(threads_queue_t *tqp, msg_t msg) {
if (queue_notempty(tqp)) {
thread_t *tp = queue_fifo_remove(tqp);
chDbgAssert(tp->p_state == CH_STATE_QUEUED,
"not CH_STATE_QUEUED");
tp->p_u.rdymsg = msg;
chSchReadyI(tp);
}
if (queue_notempty(tqp))
chThdDoDequeueNextI(tqp, msg);
}
/**
@ -661,15 +654,8 @@ void chThdDequeueNextI(threads_queue_t *tqp, msg_t msg) {
*/
void chThdDequeueAllI(threads_queue_t *tqp, msg_t msg) {
while (queue_notempty(tqp)) {
thread_t *tp = queue_fifo_remove(tqp);
chDbgAssert(tp->p_state == CH_STATE_QUEUED,
"not CH_STATE_QUEUED");
tp->p_u.rdymsg = msg;
chSchReadyI(tp);
}
while (queue_notempty(tqp))
chThdDoDequeueNextI(tqp, msg);
}
/** @} */