Section: POSIX Programmer's Manual (P) Updated: 2003 Local index
shutdown - shut down socket send and receive operations
#include < sys/socket.h>
socket , int how );
shutdown() function shall cause all or part of a full-duplex
connection on the socket associated with the file
descriptor socket to be shut down.
shutdown() function takes the following arguments:
Specifies the file descriptor of the socket.
Specifies the type of shutdown. The values are as follows:
Disables further receive operations.
Disables further send operations.
Disables further send and receive operations.
shutdown() function disables subsequent send and/or receive
operations on a socket, depending on the value of the
Upon successful completion,
shutdown() shall return 0; otherwise,
-1 shall be returned and errno set to indicate
shutdown() function shall fail if:
The socket argument is not a valid file descriptor.
The how argument is invalid.
The socket is not connected.
The socket argument does not refer to a socket.
shutdown() function may fail if:
Insufficient resources were available in the system to perform the
The following sections are informative.
getsockopt() , read() , recv() , recvfrom()
, recvmsg() , select() , send() , sendto()
, setsockopt() , socket() , write() , the Base Definitions
volume of IEEE Std 1003.1-2001, <
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
This document was created by
using the manual pages.
Time: 21:55:20 GMT, April 16, 2011