nuttx/libs/libnx/nxmu/nxmu_sendserver.c

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/****************************************************************************
* libs/libnx/nxmu/nxmu_sendserver.c
*
* 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 <mqueue.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/mqueue.h>
#include <nuttx/nx/nxmu.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxmu_sendserver
*
* Description:
* Send a message to the server at NX_SVRMSG_PRIO priority
*
* Input Parameters:
* conn - A pointer to the server connection structure
* msg - A pointer to the message to send
* msglen - The length of the message in bytes.
*
* Returned Value:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
int nxmu_sendserver(FAR struct nxmu_conn_s *conn, FAR const void *msg,
size_t msglen)
{
int ret;
/* Sanity checking */
#ifdef CONFIG_DEBUG_FEATURES
if (!conn || !conn->cwrmq)
{
set_errno(EINVAL);
return ERROR;
}
#endif
/* Send the message to the server */
ret = _MQ_SEND(conn->cwrmq, msg, msglen, NX_SVRMSG_PRIO);
if (ret < 0)
{
_NX_SETERRNO(ret);
gerr("ERROR: _MQ_SEND failed: %d\n", _NX_GETERRNO(ret));
ret = ERROR;
}
return ret;
}