projects / apple / xnu.git / blame
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|---|---|---|
| 9bccf70c A |
1 | .\" $NetBSD: shutdown.2,v 1.5 1995/02/27 12:37:11 cgd Exp $ |
| 2 | .\" | |
| 3 | .\" Copyright (c) 1983, 1991, 1993 | |
| 4 | .\" The Regents of the University of California. All rights reserved. | |
| 5 | .\" | |
| 6 | .\" Redistribution and use in source and binary forms, with or without | |
| 7 | .\" modification, are permitted provided that the following conditions | |
| 8 | .\" are met: | |
| 9 | .\" 1. Redistributions of source code must retain the above copyright | |
| 10 | .\" notice, this list of conditions and the following disclaimer. | |
| 11 | .\" 2. Redistributions in binary form must reproduce the above copyright | |
| 12 | .\" notice, this list of conditions and the following disclaimer in the | |
| 13 | .\" documentation and/or other materials provided with the distribution. | |
| 14 | .\" 3. All advertising materials mentioning features or use of this software | |
| 15 | .\" must display the following acknowledgement: | |
| 16 | .\" This product includes software developed by the University of | |
| 17 | .\" California, Berkeley and its contributors. | |
| 18 | .\" 4. Neither the name of the University nor the names of its contributors | |
| 19 | .\" may be used to endorse or promote products derived from this software | |
| 20 | .\" without specific prior written permission. | |
| 21 | .\" | |
| 22 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 23 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 24 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 25 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 26 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 27 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 28 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 29 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 30 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 31 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 32 | .\" SUCH DAMAGE. | |
| 33 | .\" | |
| 34 | .\" @(#)shutdown.2 8.1 (Berkeley) 6/4/93 | |
| 35 | .\" | |
| 36 | .Dd June 4, 1993 | |
| 37 | .Dt SHUTDOWN 2 | |
| 38 | .Os BSD 4.2 | |
| 39 | .Sh NAME | |
| 40 | .Nm shutdown | |
| 41 | .Nd shut down part of a full-duplex connection | |
| 42 | .Sh SYNOPSIS | |
| 43 | .Fd #include <sys/socket.h> | |
| 44 | .Ft int | |
| 45 | .Fn shutdown "int s" "int how" | |
| 46 | .Sh DESCRIPTION | |
| 47 | The | |
| 48 | .Fn shutdown | |
| 49 | call causes all or part of a full-duplex connection on | |
| 50 | the socket associated with | |
| 51 | .Fa s | |
| 52 | to be shut down. | |
| 53 | If | |
| 54 | .Fa how | |
| 91447636 A |
55 | is |
| 56 | .Dv SHUT_RD , | |
| 57 | further receives will be disallowed. | |
| 9bccf70c A |
58 | If |
| 59 | .Fa how | |
| 91447636 A |
60 | is |
| 61 | .Dv SHUT_WR , | |
| 62 | further sends will be disallowed. | |
| 9bccf70c A |
63 | If |
| 64 | .Fa how | |
| 91447636 A |
65 | is |
| 66 | .Dv SHUT_RDWR , | |
| 67 | further sends and receives will be disallowed. | |
| 9bccf70c A |
68 | .Sh DIAGNOSTICS |
| 69 | A 0 is returned if the call succeeds, -1 if it fails. | |
| 70 | .Sh ERRORS | |
| 71 | The call succeeds unless: | |
| 72 | .Bl -tag -width Er | |
| 73 | .It Bq Er EBADF | |
| 74 | .Fa S | |
| 75 | is not a valid descriptor. | |
| 76 | .It Bq Er ENOTSOCK | |
| 77 | .Fa S | |
| 78 | is a file, not a socket. | |
| 79 | .It Bq Er ENOTCONN | |
| 80 | The specified socket is not connected. | |
| 81 | .El | |
| 82 | .Sh SEE ALSO | |
| 83 | .Xr connect 2 , | |
| 84 | .Xr socket 2 | |
| 85 | .Sh HISTORY | |
| 86 | The | |
| 87 | .Fn shutdown | |
| 88 | function call appeared in | |
| 89 | .Bx 4.2 . |