43 lines
1.0 KiB
C
43 lines
1.0 KiB
C
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/* Copyright 2015 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Queue policies.
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*/
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#include "queue_policies.h"
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#include "util.h"
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#include <stddef.h>
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void queue_add_direct(struct queue_policy const *policy, size_t count)
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{
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struct queue_policy_direct const *direct =
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DOWNCAST(policy, struct queue_policy_direct, policy);
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if (count && direct->consumer->ops->written)
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direct->consumer->ops->written(direct->consumer, count);
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}
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void queue_remove_direct(struct queue_policy const *policy, size_t count)
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{
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struct queue_policy_direct const *direct =
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DOWNCAST(policy, struct queue_policy_direct, policy);
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if (count && direct->producer->ops->read)
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direct->producer->ops->read(direct->producer, count);
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}
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struct producer const null_producer = {
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.queue = NULL,
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.ops = &((struct producer_ops const) {
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.read = NULL,
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}),
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};
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struct consumer const null_consumer = {
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.queue = NULL,
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.ops = &((struct consumer_ops const) {
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.written = NULL,
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}),
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};
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