/*..........................................................................*/
QEvent const *QActive_get_(QActive *me) {
QEvent const *e;
QF_INT_LOCK_KEY_
QF_INT_LOCK_();
QACTIVE_EQUEUE_WAIT_(me); /* wait for event to arrive directly
^#defined as: Q_ASSERT((me_)->eQueue.frontEvt != (QEvent *)0) */
e = me->eQueue.frontEvt;
if (me->eQueue.nFree != me->eQueue.end) { /* any events in the buffer? */
/* remove event from the tail */
me->eQueue.frontEvt = me->eQueue.ring[me->eQueue.tail];
if (me->eQueue.tail == (QEQueueCtr)0) { /* need to wrap the tail? */
me->eQueue.tail = me->eQueue.end; /* wrap around */
}
--me->eQueue.tail;
++me->eQueue.nFree; /* one more free event in the ring buffer */
QS_BEGIN_NOLOCK_(QS_QF_ACTIVE_GET, QS_aoObj_, me)
QS_TIME_(); /* timestamp */
QS_SIG_(e->sig); /* the signal of this event */
QS_OBJ_(me); /* this active object */
QS_U8_(e->dynamic_); /* the dynamic attribute of the event */
QS_EQC_(me->eQueue.nFree); /* number of free entries */
QS_END_NOLOCK_()
}
/*..........................................................................*/
QEvt const *QActive_get_(QActive * const me) {
QEQueueCtr nFree;
QEvt const *e;
QF_CRIT_STAT_
QF_CRIT_ENTRY_();
QACTIVE_EQUEUE_WAIT_(me); /* wait for event to arrive directly */
e = me->eQueue.frontEvt; /* always remove event from the front location */
nFree= me->eQueue.nFree + (QEQueueCtr)1; /* get volatile into tmp */
me->eQueue.nFree = nFree; /* upate the number of free */
if (nFree <= me->eQueue.end) { /* any events in the ring buffer? */
/* remove event from the tail */
me->eQueue.frontEvt = QF_PTR_AT_(me->eQueue.ring, me->eQueue.tail);
if (me->eQueue.tail == (QEQueueCtr)0) { /* need to wrap the tail? */
me->eQueue.tail = me->eQueue.end; /* wrap around */
}
--me->eQueue.tail;
QS_BEGIN_NOCRIT_(QS_QF_ACTIVE_GET, QS_priv_.aoObjFilter, me)
QS_TIME_(); /* timestamp */
QS_SIG_(e->sig); /* the signal of this event */
QS_OBJ_(me); /* this active object */
QS_2U8_(e->poolId_, e->refCtr_); /* pool Id & ref Count */
QS_EQC_(nFree); /* number of free entries */
QS_END_NOCRIT_()
}
