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- /****************************************************************************
- * libs/libnx/nxmu/nx_disconnect.c
- *
- * Copyright (C) 2008-2009, 2011-2013 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #include <nuttx/config.h>
- #include <stdio.h>
- #include <mqueue.h>
- #include <errno.h>
- #include <debug.h>
- #include <nuttx/nx/nx.h>
- #include <nuttx/nx/nxmu.h>
- /****************************************************************************
- * Public Functions
- ****************************************************************************/
- /****************************************************************************
- * Name: nx_disconnect
- *
- * Description:
- * Disconnect a client from the NX server and/or free resources reserved
- * by nx_connect/nx_connectinstance.
- *
- * Input Parameters:
- * handle - the handle returned by nx_connect
- *
- * Returned Value:
- * OK on success; ERROR on failure with the errno set appropriately.
- * NOTE that handle will no long be valid upon return.
- *
- ****************************************************************************/
- void nx_disconnect(NXHANDLE handle)
- {
- FAR struct nxfe_conn_s *conn = (FAR struct nxfe_conn_s *)handle;
- struct nxsvrmsg_s outmsg;
- char climqname[NX_CLIENT_MXNAMELEN];
- int ret;
- /* Inform the server that this client no longer exists */
- outmsg.msgid = NX_SVRMSG_DISCONNECT;
- outmsg.conn = conn;
- /* We will finish the teardown upon receipt of the DISCONNECTED message */
- ret = nxmu_sendserver(conn, &outmsg, sizeof(struct nxsvrmsg_s));
- if (ret < 0)
- {
- gerr("ERROR: nxmu_sendserver() returned %d\n", ret);
- }
- else
- {
- snprintf(climqname, sizeof(climqname),
- NX_CLIENT_MQNAMEFMT, conn->cid);
- (void)mq_unlink(climqname);
- }
- }
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