60 lines
2.5 KiB
C
60 lines
2.5 KiB
C
/****************************************************************************
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* include/netinet/tcp.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_NETINET_TCP_H
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#define __INCLUDE_NETINET_TCP_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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/* Per OpenGroup.org:
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*
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* "The netinet/tcp.h header shall define the following macro for use as a
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* socket option at the IPPROTO_TCP level:" -- OpenGroup.org
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*/
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#define TCP_NODELAY (__SO_PROTOCOL + 0) /* Avoid coalescing of small segments. */
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/* "The macro shall be defined in the header. The implementation need not
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* allow the value of the option to be set via setsockopt() or retrieved
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* via getsockopt()."
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*/
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/* Additional TCP protocol socket operations not specified at OpenGroup.org */
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/* TCP protocol socket operations needed to support TCP Keep-Alive: */
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#define TCP_KEEPIDLE (__SO_PROTOCOL + 1) /* Start keeplives after this IDLE period
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* Argument: struct timeval */
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#define TCP_KEEPINTVL (__SO_PROTOCOL + 2) /* Interval between keepalives
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* Argument: struct timeval */
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#define TCP_KEEPCNT (__SO_PROTOCOL + 3) /* Number of keepalives before death
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* Argument: max retry count */
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#define TCP_MAXSEG (__SO_PROTOCOL + 4) /* The maximum segment size */
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#endif /* __INCLUDE_NETINET_TCP_H */
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