$NetBSD: shutdown.2,v 1.17 2004/05/13 10:20:58 wiz Exp $
Copyright (c) 1983, 1991, 1993
The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
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1. Redistributions of source code must retain the above copyright
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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 of the University 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 REGENTS 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 REGENTS 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)
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@(#)shutdown.2 8.1 (Berkeley) 6/4/93
.Dd August 18, 2002 .Dt SHUTDOWN 2 .Os .Sh NAME .Nm shutdown .Nd shut down part of a full-duplex connection .Sh LIBRARY .Lb libc .Sh SYNOPSIS n sys/socket.h .Ft int .Fn shutdown "int s" "int how" .Sh DESCRIPTION The .Fn shutdown call causes all or part of a full-duplex connection on the socket associated with .Fa s to be shut down. The .Fa how argument specifies which part of the connection will be shut down. Permissible values are: l -tag -width SHUT_RDWRXX -offset indent t SHUT_RD further receives will be disallowed. t SHUT_WR further sends will be disallowed. t SHUT_RDWR further sends and receives will be disallowed. .El .Sh RETURN VALUES A 0 is returned if the call succeeds, -1 if it fails. .Sh ERRORS The call succeeds unless: l -tag -width Er t Bq Er EBADF .Fa s is not a valid descriptor. t Bq Er EINVAL The .Fa how argument is invalid. t Bq Er ENOTCONN The specified socket is not connected. t Bq Er ENOTSOCK .Fa s is a file, not a socket. .El .Sh SEE ALSO .Xr connect 2 , .Xr socket 2 .Sh HISTORY The .Fn shutdown function call appeared in x 4.2 . The .Fa how arguments used to be simply 0, 1, and 2, but now have named values as specified by .St -xpg4 .
Copyright (c) 1983, 1991, 1993
The Regents of the University of California. All rights reserved.
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 of the University 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 REGENTS 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 REGENTS 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.
@(#)shutdown.2 8.1 (Berkeley) 6/4/93
.Dd August 18, 2002 .Dt SHUTDOWN 2 .Os .Sh NAME .Nm shutdown .Nd shut down part of a full-duplex connection .Sh LIBRARY .Lb libc .Sh SYNOPSIS n sys/socket.h .Ft int .Fn shutdown "int s" "int how" .Sh DESCRIPTION The .Fn shutdown call causes all or part of a full-duplex connection on the socket associated with .Fa s to be shut down. The .Fa how argument specifies which part of the connection will be shut down. Permissible values are: l -tag -width SHUT_RDWRXX -offset indent t SHUT_RD further receives will be disallowed. t SHUT_WR further sends will be disallowed. t SHUT_RDWR further sends and receives will be disallowed. .El .Sh RETURN VALUES A 0 is returned if the call succeeds, -1 if it fails. .Sh ERRORS The call succeeds unless: l -tag -width Er t Bq Er EBADF .Fa s is not a valid descriptor. t Bq Er EINVAL The .Fa how argument is invalid. t Bq Er ENOTCONN The specified socket is not connected. t Bq Er ENOTSOCK .Fa s is a file, not a socket. .El .Sh SEE ALSO .Xr connect 2 , .Xr socket 2 .Sh HISTORY The .Fn shutdown function call appeared in x 4.2 . The .Fa how arguments used to be simply 0, 1, and 2, but now have named values as specified by .St -xpg4 .
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