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CLEANUP: Remove pendconn_must_try_again().
Remove pendconn_must_try_again(), now that it no longer is used.
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cda7275ef5
commit
505480eeef
@ -38,7 +38,6 @@ int process_srv_queue(struct server *s);
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unsigned int srv_dynamic_maxconn(const struct server *s);
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int pendconn_redistribute(struct server *s);
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void pendconn_unlink(struct pendconn *p);
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int pendconn_must_try_again(struct pendconn *p);
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/* Removes the pendconn from the server/proxy queue. It supports being called
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* with NULL for pendconn and with a pendconn not in the list. It is the
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62
src/queue.c
62
src/queue.c
@ -661,68 +661,6 @@ int pendconn_dequeue(struct stream *strm)
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return 0;
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}
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/* checks after a successful pendconn_add() if the connection ended up being
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* alone with no active connection left to dequeue it. In such a case it will
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* simply remove it from the queue, free it and return non-zero to inform the
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* caller that it must try to add the connection again, otherwise it returns
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* zero, indicating that the connection will be handled normally. The caller
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* might have to drop SF_DIRECT and/or SF_ASSIGNED if the conn was on a proxy.
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*/
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int pendconn_must_try_again(struct pendconn *p)
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{
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struct queue *q = p->queue;
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struct proxy *px = q->px;
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struct server *sv = q->sv;
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int ret = 0;
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if (likely(!HA_ATOMIC_LOAD(&p->node.node.leaf_p)))
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goto leave;
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/* for a server, we need at least one conn left on this server to
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* find ours.
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*/
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if (likely(sv && HA_ATOMIC_LOAD(&sv->served)))
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goto leave;
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/* for a backend, we need at least one conn left on any of this
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* backend's servers to find ours.
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*/
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if (likely(!sv && HA_ATOMIC_LOAD(&px->served)))
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goto leave;
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/* OK the situation is not safe anymore, we need to check if we're
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* still in the queue under a lock.
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*/
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HA_SPIN_LOCK(QUEUE_LOCK, &q->lock);
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HA_SPIN_LOCK(QUEUE_LOCK, &p->del_lock);
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if (p->node.node.leaf_p) {
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eb32_delete(&p->node);
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_HA_ATOMIC_DEC(&q->length);
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_HA_ATOMIC_INC(&q->idx);
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_HA_ATOMIC_DEC(&px->totpend);
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ret = 1;
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}
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HA_SPIN_UNLOCK(QUEUE_LOCK, &p->del_lock);
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HA_SPIN_UNLOCK(QUEUE_LOCK, &q->lock);
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/* check if the connection was still queued. If not, it means its
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* processing has begun so it's safe.
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*/
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if (!ret)
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goto leave;
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/* The pendconn is not queued anymore and will not be so we're safe
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* to free it.
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*/
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p->strm->pend_pos = NULL;
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pool_free(pool_head_pendconn, p);
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leave:
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return ret;
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}
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static enum act_return action_set_priority_class(struct act_rule *rule, struct proxy *px,
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struct session *sess, struct stream *s, int flags)
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{
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