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SHUTDOWN
Section: Linux Programmer's Manual (2)
Updated: 2008-12-03
Index
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NAME
shutdown - shut down part of a full-duplex connection
SYNOPSIS
#include <sys/socket.h>
int shutdown(int sockfd, int how);
DESCRIPTION
The
shutdown()
call causes all or part of a full-duplex connection on the socket
associated with
sockfd
to be shut down.
If
how
is
SHUT_RD,
further receptions will be disallowed.
If
how
is
SHUT_WR,
further transmissions will be disallowed.
If
how
is
SHUT_RDWR,
further receptions and transmissions will be disallowed.
RETURN VALUE
On success, zero is returned.
On error, -1 is returned, and
errno
is set appropriately.
ERRORS
- EBADF
-
sockfd
is not a valid descriptor.
- ENOTCONN
-
The specified socket is not connected.
- ENOTSOCK
-
sockfd
is a file, not a socket.
CONFORMING TO
POSIX.1-2001, 4.4BSD (the
shutdown()
function call first appeared in 4.2BSD).
NOTES
The constants
SHUT_RD,
SHUT_WR,
SHUT_RDWR
have the value 0, 1, 2,
respectively, and are defined in
<sys/socket.h>
since glibc-2.1.91.
SEE ALSO
connect(2),
socket(2),
socket(7)
COLOPHON
This page is part of release 3.27 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- CONFORMING TO
-
- NOTES
-
- SEE ALSO
-
- COLOPHON
-
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