void
skynet_mq_push(struct message_queue *q, struct skynet_message *message) {
assert(message);
LOCK(q)
if (q->lock_session !=0 && message->session == q->lock_session) {
_pushhead(q,message);
} else {
q->queue[q->tail] = *message;
if (++ q->tail >= q->cap) {
q->tail = 0;
}
if (q->head == q->tail) {
expand_queue(q);
}
if (q->lock_session == 0) {
if (q->in_global == 0) {
q->in_global = MQ_IN_GLOBAL;
skynet_globalmq_push(q);
}
}
}
UNLOCK(q)
}
void
skynet_mq_pushglobal(struct message_queue *queue) {
assert(queue->in_global);
if (queue->lock_session == 0) {
skynet_globalmq_push(queue);
}
}
static void
_pushhead(struct message_queue *q, struct skynet_message *message) {
int head = q->head - 1;
if (head < 0) {
head = q->cap - 1;
}
if (head == q->tail) {
expand_queue(q);
--q->tail;
head = q->cap - 1;
}
q->queue[head] = *message;
q->head = head;
// this api use in push a unlock message, so the in_global flags must not be 0 ,
// but the q is not exist in global queue.
if (q->in_global == MQ_LOCKED) {
skynet_globalmq_push(q);
q->in_global = MQ_IN_GLOBAL;
} else {
assert(q->in_global == MQ_DISPATCHING);
}
q->lock_session = 0;
}
void
skynet_mq_mark_release(struct message_queue *q) {
LOCK(q)
assert(q->release == 0);
q->release = 1;
if (q->in_global != MQ_IN_GLOBAL) {
skynet_globalmq_push(q);
}
UNLOCK(q)
}
static void
_unlock(struct message_queue *q) {
// this api use in push a unlock message, so the in_global flags must not be 0 ,
// but the q is not exist in global queue.
if (q->in_global == MQ_LOCKED) {
skynet_globalmq_push(q);
q->in_global = MQ_IN_GLOBAL;
} else {
assert(q->in_global == MQ_DISPATCHING);
}
q->lock_session = 0;
}
void
skynet_mq_pushglobal(struct message_queue *queue) {
LOCK(queue)
assert(queue->in_global);
if (queue->in_global == MQ_DISPATCHING) {
// lock message queue just now.
queue->in_global = MQ_LOCKED;
}
if (queue->lock_session == 0) {
skynet_globalmq_push(queue);
queue->in_global = MQ_IN_GLOBAL;
}
UNLOCK(queue)
}
static void
_pushhead(struct message_queue *q, struct skynet_message *message) {
int head = q->head - 1;
if (head < 0) {
head = q->cap - 1;
}
if (head == q->tail) {
expand_queue(q);
--q->tail;
head = q->cap - 1;
}
q->queue[head] = *message;
q->head = head;
// this api use in push a unlock message, so the in_global flags must be 1 , but the q is not exist in global queue.
assert(q->in_global);
skynet_globalmq_push(q);
}
void
skynet_mq_force_push(struct message_queue * queue) {
assert(queue->in_global);
skynet_globalmq_push(queue);
}
