74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/****************************************************************************
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* sched/mqueue/mq_msgqfree.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <debug.h>
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#include <nuttx/kmalloc.h>
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#include "mqueue/mqueue.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxmq_free_msgq
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*
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* Description:
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* This function deallocates an initialized message queue structure.
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* First, it deallocates all of the queued messages in the message
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* queue. It is assumed that this message is fully unlinked and
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* closed so that no thread will attempt access it while it is being
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* deleted.
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*
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* Input Parameters:
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* msgq - Named essage queue to be freed
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void nxmq_free_msgq(FAR struct mqueue_inode_s *msgq)
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{
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FAR struct mqueue_msg_s *curr;
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FAR struct mqueue_msg_s *next;
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/* Deallocate any stranded messages in the message queue. */
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curr = (FAR struct mqueue_msg_s *)msgq->msglist.head;
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while (curr)
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{
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/* Deallocate the message structure. */
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next = curr->next;
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nxmq_free_msg(curr);
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curr = next;
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}
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/* Then deallocate the message queue itself */
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kmm_free(msgq);
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}
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