Merging upstream version 6.8.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 172 deletions

diff --git a/man2/getsockopt.2 b/man2/getsockopt.2
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-.\" Copyright (c) 1983, 1991 The Regents of the University of California.
-.\" All rights reserved.
-.\"
-.\" SPDX-License-Identifier: BSD-4-Clause-UC
-.\"
-.\"     $Id: getsockopt.2,v 1.1 1999/05/24 14:57:04 freitag Exp $
-.\"
-.\" Modified Sat Jul 24 16:19:32 1993 by Rik Faith (faith@cs.unc.edu)
-.\" Modified Mon Apr 22 02:29:06 1996 by Martin Schulze (joey@infodrom.north.de)
-.\" Modified Tue Aug 27 10:52:51 1996 by Andries Brouwer (aeb@cwi.nl)
-.\" Modified Thu Jan 23 13:29:34 1997 by Andries Brouwer (aeb@cwi.nl)
-.\" Modified Sun Mar 28 21:26:46 1999 by Andries Brouwer (aeb@cwi.nl)
-.\" Modified 1999 by Andi Kleen <ak@muc.de>.
-.\"     Removed most stuff because it is in socket.7 now.
-.\"
-.TH getsockopt 2 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-getsockopt, setsockopt \- get and set options on sockets
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.B #include <sys/socket.h>
-.P
-.BI "int getsockopt(int " sockfd ", int " level ", int " optname ,
-.BI "               void " optval "[restrict *." optlen ],
-.BI "               socklen_t *restrict " optlen );
-.BI "int setsockopt(int " sockfd ", int " level ", int " optname ,
-.BI "               const void " optval [. optlen ],
-.BI "               socklen_t " optlen );
-.fi
-.SH DESCRIPTION
-.BR getsockopt ()
-and
-.BR setsockopt ()
-manipulate options for the socket referred to by the file descriptor
-.IR sockfd .
-Options may exist at multiple
-protocol levels; they are always present at the uppermost
-socket level.
-.P
-When manipulating socket options, the level at which the
-option resides and the name of the option must be specified.
-To manipulate options at the sockets API level,
-.I level
-is specified as
-.BR SOL_SOCKET .
-To manipulate options at any
-other level the protocol number of the appropriate protocol
-controlling the option is supplied.
-For example,
-to indicate that an option is to be interpreted by the
-.B TCP
-protocol,
-.I level
-should be set to the protocol number of
-.BR TCP ;
-see
-.BR getprotoent (3).
-.P
-The arguments
-.I optval
-and
-.I optlen
-are used to access option values for
-.BR setsockopt ().
-For
-.BR getsockopt ()
-they identify a buffer in which the value for the
-requested option(s) are to be returned.
-For
-.BR getsockopt (),
-.I optlen
-is a value-result argument, initially containing the
-size of the buffer pointed to by
-.IR optval ,
-and modified on return to indicate the actual size of
-the value returned.
-If no option value is to be supplied or returned,
-.I optval
-may be NULL.
-.P
-.I Optname
-and any specified options are passed uninterpreted to the appropriate
-protocol module for interpretation.
-The include file
-.I <sys/socket.h>
-contains definitions for socket level options, described below.
-Options at
-other protocol levels vary in format and name; consult the appropriate
-entries in section 4 of the manual.
-.P
-Most socket-level options utilize an
-.I int
-argument for
-.IR optval .
-For
-.BR setsockopt (),
-the argument should be nonzero to enable a boolean option, or zero if the
-option is to be disabled.
-.P
-For a description of the available socket options see
-.BR socket (7)
-and the appropriate protocol man pages.
-.SH RETURN VALUE
-On success, zero is returned for the standard options.
-On error, \-1 is returned, and
-.I errno
-is set to indicate the error.
-.P
-Netfilter allows the programmer
-to define custom socket options with associated handlers; for such
-options, the return value on success is the value returned by the handler.
-.SH ERRORS
-.TP
-.B EBADF
-The argument
-.I sockfd
-is not a valid file descriptor.
-.TP
-.B EFAULT
-The address pointed to by
-.I optval
-is not in a valid part of the process address space.
-For
-.BR getsockopt (),
-this error may also be returned if
-.I optlen
-is not in a valid part of the process address space.
-.TP
-.B EINVAL
-.I optlen
-invalid in
-.BR setsockopt ().
-In some cases this error can also occur for an invalid value in
-.I optval
-(e.g., for the
-.B IP_ADD_MEMBERSHIP
-option described in
-.BR ip (7)).
-.TP
-.B ENOPROTOOPT
-The option is unknown at the level indicated.
-.TP
-.B ENOTSOCK
-The file descriptor
-.I sockfd
-does not refer to a socket.
-.SH STANDARDS
-POSIX.1-2008.
-.SH HISTORY
-POSIX.1-2001,
-SVr4, 4.4BSD (first appeared in 4.2BSD).
-.\" SVr4 documents additional ENOMEM and ENOSR error codes, but does
-.\" not document the
-.\" .BR SO_SNDLOWAT ", " SO_RCVLOWAT ", " SO_SNDTIMEO ", " SO_RCVTIMEO
-.\" options
-.SH BUGS
-Several of the socket options should be handled at lower levels of the
-system.
-.SH SEE ALSO
-.BR ioctl (2),
-.BR socket (2),
-.BR getprotoent (3),
-.BR protocols (5),
-.BR ip (7),
-.BR packet (7),
-.BR socket (7),
-.BR tcp (7),
-.BR udp (7),
-.BR unix (7)