cae9bad97b
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@328 42af7a65-404d-4744-a932-0658087f49c3
113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/****************************************************************************
|
|
* net/net-close.c
|
|
*
|
|
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
*
|
|
* 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>
|
|
#ifdef CONFIG_NET
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <errno.h>
|
|
|
|
#include "net_internal.h"
|
|
|
|
/****************************************************************************
|
|
* Global Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Function: net_close
|
|
*
|
|
* Description:
|
|
* Performs the close operation on socket descriptors
|
|
*
|
|
* Parameters:
|
|
* sockfd Socket descriptor of socket
|
|
*
|
|
* Returned Value:
|
|
* 0 on success; -1 on error with errno set appropriately.
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
int net_close(int sockfd)
|
|
{
|
|
FAR struct socket *psock = sockfd_socket(sockfd);
|
|
int err;
|
|
|
|
/* Verify that the sockfd corresponds to valid, allocated socket */
|
|
|
|
if (!psock || psock->s_crefs <= 0)
|
|
{
|
|
err = EBADF;
|
|
goto errout;
|
|
}
|
|
|
|
/* Perform the close depending on the protocol type */
|
|
|
|
switch (psock->s_type)
|
|
{
|
|
case SOCK_STREAM:
|
|
uip_tcpfree(psock->s_conn);
|
|
break;
|
|
|
|
#ifdef CONFIG_NET_UDP
|
|
case SOCK_DGRAM:
|
|
uip_udpfree(psock->s_conn);
|
|
break;
|
|
#endif
|
|
default:
|
|
err = -EBADF;
|
|
goto errout;
|
|
}
|
|
|
|
/* Save the protocol type */
|
|
|
|
psock->s_type = 0;
|
|
psock->s_conn = NULL;
|
|
|
|
return OK;
|
|
|
|
errout:
|
|
*get_errno_ptr() = err;
|
|
return ERROR;
|
|
}
|
|
|
|
#endif /* CONFIG_NET */
|