eb9030c891
Most tools used for compliance and SBOM generation use SPDX identifiers This change brings us a step closer to an easy SBOM generation. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
124 lines
3.4 KiB
C
124 lines
3.4 KiB
C
/****************************************************************************
|
|
* sched/mqueue/mq_getattr.c
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <errno.h>
|
|
#include <mqueue.h>
|
|
|
|
#include <nuttx/fs/fs.h>
|
|
#include <nuttx/mqueue.h>
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: file_mq_getattr
|
|
*
|
|
* Description:
|
|
* This functions gets status information and attributes
|
|
* associated with the specified message queue.
|
|
*
|
|
* Input Parameters:
|
|
* mq - Message queue descriptor
|
|
* mq_stat - Buffer in which to return attributes
|
|
*
|
|
* Returned Value:
|
|
* This is an internal OS interface and should not be used by applications.
|
|
* It follows the NuttX internal error return policy: Zero (OK) is
|
|
* returned on success. A negated errno value is returned on failure.
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
int file_mq_getattr(FAR struct file *mq, FAR struct mq_attr *mq_stat)
|
|
{
|
|
FAR struct mqueue_inode_s *msgq;
|
|
FAR struct inode *inode;
|
|
|
|
if (!mq || !mq_stat)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
inode = mq->f_inode;
|
|
if (!inode)
|
|
{
|
|
return -EBADF;
|
|
}
|
|
|
|
msgq = inode->i_private;
|
|
|
|
mq_stat->mq_maxmsg = msgq->maxmsgs;
|
|
mq_stat->mq_msgsize = msgq->maxmsgsize;
|
|
mq_stat->mq_flags = mq->f_oflags;
|
|
mq_stat->mq_curmsgs = msgq->nmsgs;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: mq_getattr
|
|
*
|
|
* Description:
|
|
* This functions gets status information and attributes
|
|
* associated with the specified message queue.
|
|
*
|
|
* Input Parameters:
|
|
* mqdes - Message queue descriptor
|
|
* mq_stat - Buffer in which to return attributes
|
|
*
|
|
* Returned Value:
|
|
* 0 (OK) if attributes provided, -1 (ERROR) otherwise.
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
int mq_getattr(mqd_t mqdes, struct mq_attr *mq_stat)
|
|
{
|
|
FAR struct file *filep;
|
|
int ret;
|
|
|
|
ret = fs_getfilep(mqdes, &filep);
|
|
if (ret < 0)
|
|
{
|
|
set_errno(-ret);
|
|
return ERROR;
|
|
}
|
|
|
|
ret = file_mq_getattr(filep, mq_stat);
|
|
if (ret < 0)
|
|
{
|
|
set_errno(-ret);
|
|
return ERROR;
|
|
}
|
|
|
|
return OK;
|
|
}
|