55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
#pragma once
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/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2019-07-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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/**
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* @file core/maxscale/queuemanager.h - The private queuemanager interface
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*/
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#include <maxscale/queuemanager.h>
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#include <maxscale/spinlock.h>
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MXS_BEGIN_DECLS
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typedef struct queue_entry
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{
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void *queued_object;
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long heartbeat;
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#if defined(SS_DEBUG)
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long sequence_check;
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#endif /* SS_DEBUG */
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} QUEUE_ENTRY;
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struct queue_config
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{
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int queue_limit;
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int start;
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int end;
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int timeout;
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bool has_entries;
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SPINLOCK queue_lock;
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QUEUE_ENTRY *queue_array;
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#if defined(SS_DEBUG)
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long sequence_number;
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#endif /* SS_DEBUG */
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};
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QUEUE_CONFIG *mxs_queue_alloc(int limit, int timeout);
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void mxs_queue_free(QUEUE_CONFIG *queue_config);
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bool mxs_enqueue(QUEUE_CONFIG *queue_config, void *new_entry);
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bool mxs_dequeue(QUEUE_CONFIG *queue_config, QUEUE_ENTRY *result);
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bool mxs_dequeue_if_expired(QUEUE_CONFIG *queue_config, QUEUE_ENTRY *result);
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MXS_END_DECLS
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