|SHUTDOWN(3P)||POSIX Programmer's Manual||SHUTDOWN(3P)|
PROLOGThis manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAMEshutdown - shut down socket send and receive operations
DESCRIPTIONThe 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.
The shutdown() function takes the following arguments:
- Specifies the file descriptor of the socket.
- Specifies the type of shutdown. The values are as follows:
The shutdown() function disables subsequent send and/or receive operations on a socket, depending on the value of the how argument.
RETURN VALUEUpon successful completion, shutdown() shall return 0; otherwise, -1 shall be returned and errno set to indicate the error.
ERRORSThe shutdown() function shall fail if:
- The socket argument is not a valid file descriptor.
- The how argument is invalid.
- The socket is not connected.
socket argument does not refer to a socket.
The shutdown() function may fail if:
Insufficient resources were available in the system to perform the operation.
The following sections are informative.
SEE ALSOgetsockopt(), read(), recv(), recvfrom(), recvmsg(), select(), send(), sendto(), setsockopt(), socket(), write(), the Base Definitions volume of IEEE Std 1003.1-2001, <sys/socket.h>
COPYRIGHTPortions 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 http://www.opengroup.org/unix/online.html .
|2003||IEEE/The Open Group|