Query: shutdown
OS: linux
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
SHUTDOWN(P) POSIX Programmer's Manual SHUTDOWN(P)NAMEshutdown - shut down socket send and receive operationsSYNOPSIS#include <sys/socket.h> int shutdown(int socket, int how);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: socket Specifies the file descriptor of the socket. how Specifies the type of shutdown. The values are as follows: SHUT_RD Disables further receive operations. SHUT_WR Disables further send operations. SHUT_RDWR Disables further send and receive operations. 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: EBADF The socket argument is not a valid file descriptor. EINVAL The how argument is invalid. ENOTCONN The socket is not connected. ENOTSOCK The socket argument does not refer to a socket. The shutdown() function may fail if: ENOBUFS Insufficient resources were available in the system to perform the operation. The following sections are informative.EXAMPLESNone.APPLICATION USAGENone.RATIONALENone.FUTURE DIRECTIONSNone.SEE ALSOgetsockopt() , read() , recv() , recvfrom() , recvmsg() , select() , send() , sendto() , setsockopt() , socket() , write() , the Base Defi- nitions 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 Technol- ogy -- 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 .IEEE/The Open Group 2003 SHUTDOWN(P)
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