}
static inline
-can_spin_irqflags_t canque_edge_lock_both_ends(struct canque_edge_t *edge)
+can_spin_irqflags_t canque_edge_lock_both_ends(struct canque_ends_t *inends, struct canque_ends_t *outends)
{
can_spin_irqflags_t flags;
- if(edge->inends<edge->outends) {
- can_spin_lock_irqsave(&edge->inends->ends_lock, flags);
- can_spin_lock(&edge->outends->ends_lock);
+ if(inends<outends) {
+ can_spin_lock_irqsave(&inends->ends_lock, flags);
+ can_spin_lock(&outends->ends_lock);
}else{
- can_spin_lock_irqsave(&edge->outends->ends_lock, flags);
- if(edge->outends!=edge->inends) can_spin_lock(&edge->inends->ends_lock);
+ can_spin_lock_irqsave(&outends->ends_lock, flags);
+ if(outends!=inends) can_spin_lock(&inends->ends_lock);
}
return flags;
}
static inline
-void canque_edge_unlock_both_ends(struct canque_edge_t *edge, can_spin_irqflags_t flags)
+void canque_edge_unlock_both_ends(struct canque_ends_t *inends, struct canque_ends_t *outends, can_spin_irqflags_t flags)
{
- if(edge->outends!=edge->inends) can_spin_unlock(&edge->outends->ends_lock);
- can_spin_unlock_irqrestore(&edge->inends->ends_lock, flags);
+ if(outends!=inends) can_spin_unlock(&outends->ends_lock);
+ can_spin_unlock_irqrestore(&inends->ends_lock, flags);
}
/* Non-inlined version of edge reference decrement */
{
can_spin_irqflags_t flags;
int dead_fl=0;
+ struct canque_ends_t *inends=edge->inends;
+ struct canque_ends_t *outends=edge->outends;
- flags=canque_edge_lock_both_ends(edge);
+ flags=canque_edge_lock_both_ends(inends, outends);
if(atomic_dec_and_test(&edge->edge_used)) {
dead_fl=!canque_fifo_test_and_set_fl(&edge->fifo,DEAD);
/* Because of former evolution of edge references
management notify of CANQUEUE_NOTIFY_NOUSR could
be moved to canque_edge_do_dead :-) */
}
- canque_edge_unlock_both_ends(edge, flags);
+ canque_edge_unlock_both_ends(inends, outends, flags);
if(dead_fl) canque_edge_do_dead(edge);
}
if(qedge == NULL) return -1;
DEBUGQUE("canqueue_connect_edge %d\n",qedge->edge_num);
canque_edge_incref(qedge);
- flags=canque_edge_lock_both_ends(qedge);
+ flags=canque_edge_lock_both_ends(inends, outends);
can_spin_lock(&qedge->fifo.fifo_lock);
qedge->inends=inends;
list_add(&qedge->inpeers,&inends->inlist);
list_add(&qedge->outpeers,&outends->outlist);
list_add(&qedge->activepeers,&outends->idle);
can_spin_unlock(&qedge->fifo.fifo_lock);
- canque_edge_unlock_both_ends(qedge, flags);
+ canque_edge_unlock_both_ends(inends, outends, flags);
canque_notify_bothends(qedge, CANQUEUE_NOTIFY_ATTACH);
if(canque_fifo_test_and_set_fl(&qedge->fifo, READY))
outends=qedge->outends;
if(inends && outends) {
- flags=canque_edge_lock_both_ends(qedge);
+ flags=canque_edge_lock_both_ends(inends, outends);
} else {
DEBUGQUE("canqueue_disconnect_edge called with not fully connected edge");
if(inends) can_spin_lock_irqsave(&inends->ends_lock,flags);
can_spin_unlock(&qedge->fifo.fifo_lock);
if(inends && outends) {
- canque_edge_unlock_both_ends(qedge, flags);
+ canque_edge_unlock_both_ends(inends, outends, flags);
} else {
if(outends) can_spin_unlock(&outends->ends_lock);
if(inends) can_spin_unlock_irqrestore(&inends->ends_lock,flags);