9b9be7e1f0
Update files from Gregory Nutt to Apache 2.0 license. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
74 lines
2.9 KiB
C
74 lines
2.9 KiB
C
/****************************************************************************
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* include/sys/un.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_SYS_UN_H
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#define __INCLUDE_SYS_UN_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <sys/socket.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* The size of sun_path is not specified. Different implementations us
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* different sizes. BSD4.3 uses a size of 108; BSD4.4 uses a size of 104.
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* Most implementation use a size that ranges from 92 to 108. Applications
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* should not assume a particular length for sun_path.
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*
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* _POSIX_PATH_MAX would be a good choice too.
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*/
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#define UNIX_PATH_MAX 108
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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/* A UNIX domain socket address is represented in the following structure.
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* This structure must be cast compatible with struct sockaddr.
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*/
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struct sockaddr_un
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{
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sa_family_t sun_family; /* AF_UNIX */
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char sun_path[UNIX_PATH_MAX]; /* pathname */
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};
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/* There are three types of addresses:
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*
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* 1. pathname: sun_path holds a null terminated string. The allocated
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* size may be variable: sizeof(sa_family_t) + strlen(pathname) + 1
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* 2. unnamed: A unix socket that is not bound to any name. This case
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* there is no path. The allocated size may be sizeof(sa_family_t)
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* 3. abstract. The abstract path is distinguished because the pathname
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* consists of only the NUL terminator. The allocated size is then
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* sizeof(s_family_t) + 1.
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*/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#endif /* __INCLUDE_SYS_UN_H */
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