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-rw-r--r--nuttx/net/uip/uip_igmpmsg.c139
1 files changed, 0 insertions, 139 deletions
diff --git a/nuttx/net/uip/uip_igmpmsg.c b/nuttx/net/uip/uip_igmpmsg.c
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--- a/nuttx/net/uip/uip_igmpmsg.c
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-/****************************************************************************
- * net/uip/uip_igmpmgs.c
- *
- * Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * The NuttX implementation of IGMP was inspired by the IGMP add-on for the
- * lwIP TCP/IP stack by Steve Reynolds:
- *
- * Copyright (c) 2002 CITEL Technologies Ltd.
- * All rights reserved.
- *
- * 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 of CITEL Technologies Ltd 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 CITEL TECHNOLOGIES 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 CITEL TECHNOLOGIES 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 <assert.h>
-#include <debug.h>
-
-#include <nuttx/net/uip/uipopt.h>
-#include <nuttx/net/uip/uip.h>
-#include <nuttx/net/uip/uip-igmp.h>
-
-#include "uip_internal.h"
-
-#ifdef CONFIG_NET_IGMP
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: uip_igmpschedmsg
- *
- * Description:
- * Schedule a message to be send at the next driver polling interval.
- *
- * Assumptions:
- * This function may be called in most any context.
- *
- ****************************************************************************/
-
-void uip_igmpschedmsg(FAR struct igmp_group_s *group, uint8_t msgid)
-{
- uip_lock_t flags;
-
- /* The following should be atomic */
-
- flags = uip_lock();
- DEBUGASSERT(!IS_SCHEDMSG(group->flags));
- group->msgid = msgid;
- SET_SCHEDMSG(group->flags);
- uip_unlock(flags);
-}
-
-/****************************************************************************
- * Name: uip_igmpwaitmsg
- *
- * Description:
- * Schedule a message to be send at the next driver polling interval and
- * block, waiting for the message to be sent.
- *
- * Assumptions:
- * This function cannot be called from an interrupt handler (if you try it,
- * uip_lockedwait will assert).
- *
- ****************************************************************************/
-
-void uip_igmpwaitmsg(FAR struct igmp_group_s *group, uint8_t msgid)
-{
- uip_lock_t flags;
-
- /* Schedule to send the message */
-
- flags = uip_lock();
- DEBUGASSERT(!IS_WAITMSG(group->flags));
- SET_WAITMSG(group->flags);
- uip_igmpschedmsg(group, msgid);
-
- /* Then wait for the message to be sent */
-
- while (IS_SCHEDMSG(group->flags))
- {
- /* Wait for the semaphore to be posted */
-
- while (uip_lockedwait(&group->sem) != 0)
- {
- /* The only error that should occur from uip_lockedwait() is if
- * the wait is awakened by a signal.
- */
-
- ASSERT(errno == EINTR);
- }
- }
-
- /* The message has been sent and we are no longer waiting */
-
- CLR_WAITMSG(group->flags);
- uip_unlock(flags);
-}
-
-#endif /* CONFIG_NET_IGMP */