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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-09-03 20:34:44 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-09-03 20:34:44 +0000 |
commit | c96d656001914b495f54e7a25d54079e41af86ce (patch) | |
tree | dabdb9c5fded41355669eccebd630d33b106689a /nuttx/net/net-close.c | |
parent | 0792c58515fae8507fcd6de41ca7db89fd2734d4 (diff) | |
download | px4-nuttx-c96d656001914b495f54e7a25d54079e41af86ce.tar.gz px4-nuttx-c96d656001914b495f54e7a25d54079e41af86ce.tar.bz2 px4-nuttx-c96d656001914b495f54e7a25d54079e41af86ce.zip |
Add send, sendto, rec, recvfrom
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@328 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/net/net-close.c')
-rw-r--r-- | nuttx/net/net-close.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/nuttx/net/net-close.c b/nuttx/net/net-close.c new file mode 100644 index 000000000..294a4f7b7 --- /dev/null +++ b/nuttx/net/net-close.c @@ -0,0 +1,112 @@ +/**************************************************************************** + * 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 */ |