SHUTDOWN(2) Linux Programmer's Manual SHUTDOWN(2)
NAME
shutdown(2,8) - shut down part of a full-duplex connection
SYNOPSIS
#include <sys/socket.h>
int shutdown(2,8)(int s, int how);
DESCRIPTION
The shutdown(2,8) call causes all or part of a full-duplex connection on the
socket(2,7,n) associated with s to be shut down. If how is SHUT_RD, further
receptions will be disallowed. If how is SHUT_WR, further transmis-
sions will be disallowed. If how is SHUT_RDWR, further receptions and
transmissions will be disallowed.
RETURN VALUE
On success, zero is returned. On error(8,n), -1 is returned, and errno is
set(7,n,1 builtins) appropriately.
ERRORS
EBADF s is not a valid descriptor.
ENOTCONN
The specified socket(2,7,n) is not connected.
ENOTSOCK
s is a file(1,n), not a socket.
NOTES
The constants SHUT_RD, SHUT_WR, SHUT_RDWR have the value 0, 1, 2,
respectively, and are defined in(1,8) <sys/socket.h> since glibc-2.1.91.
CONFORMING TO
4.4BSD (the shutdown(2,8) function call first appeared in(1,8) 4.2BSD).
SEE ALSO
connect(2), socket(2,7,n)(2)
BSD Man Page 1993-07-24 SHUTDOWN(2)