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81 lines
2.7 KiB
Groff
81 lines
2.7 KiB
Groff
.\" Copyright (c) 1983, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)shutdown.2 8.1 (Berkeley) 6/4/93
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.\"
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.TH SHUTDOWN 2 "16 January 1997" GNO "System Calls"
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.SH NAME
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.BR shutdown
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\- shut down part of a full-duplex connection
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.SH SYNOPSIS
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.br
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#include <sys/socket.h>
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.sp 1
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int
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\fBshutdown\fR (int \fIs\fR, int \fIhow\fR);
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.SH DESCRIPTION
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The
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.BR shutdown
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call causes all or part of a full-duplex connection on
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the socket associated with
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.I s
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to be shut down.
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If
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.I how
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is 0, further receives will be disallowed.
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If
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.I how
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is 1, further sends will be disallowed.
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If
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.I how
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is 2, further sends and receives will be disallowed.
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.SH DIAGNOSTICS
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A 0 is returned if the call succeeds, -1 if it fails.
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.SH ERRORS
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The call succeeds unless:
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.RS
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.IP \fBEBADF\fR
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.I S
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is not a valid descriptor.
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.IP \fBENOTSOCK\fR
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.I S
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is a file, not a socket.
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.IP \fBENOTCONN\fR
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The specified socket is not connected.
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.RE
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.SH SEE ALSO
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.BR connect (2),
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.BR socket (2)
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.SH HISTORY
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The
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.BR shutdown
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function call appeared in 4.2BSD.
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