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- /****************************************************************************
- * graphics/nxmu/nxmu_sendclientwindow.c
- *
- * Copyright (C) 2012-2013 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 <mqueue.h>
- #include <errno.h>
- #include <debug.h>
- #include "nxfe.h"
- /****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
- /****************************************************************************
- * Private Types
- ****************************************************************************/
- /****************************************************************************
- * Private Data
- ****************************************************************************/
- /****************************************************************************
- * Public Data
- ****************************************************************************/
- /****************************************************************************
- * Private Functions
- ****************************************************************************/
- /****************************************************************************
- * Public Functions
- ****************************************************************************/
- /****************************************************************************
- * Name: nxmu_sendclientwindow
- *
- * Description:
- * Send a message to the client at NX_CLIMSG_PRIO priority
- *
- * Input Parameters:
- * wnd - A pointer to the back-end window structure
- * msg - A pointer to the message to send
- * msglen - The length of the message in bytes.
- *
- * Return:
- * OK on success; ERROR on failure with errno set appropriately
- *
- ****************************************************************************/
- int nxmu_sendclientwindow(FAR struct nxbe_window_s *wnd, FAR const void *msg,
- size_t msglen)
- {
- int ret = OK;
- /* Sanity checking */
- #ifdef CONFIG_DEBUG_FEATURES
- if (!wnd || !wnd->conn)
- {
- set_errno(EINVAL);
- return ERROR;
- }
- #endif
- /* Ignore messages destined to a blocked window (no errors reported) */
- if (!NXBE_ISBLOCKED(wnd))
- {
- /* Send the message to the server */
- ret = nxmu_sendclient(wnd->conn, msg, msglen);
- }
- return ret;
- }
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