Manual pages › Network library (3N)
shutdown(3N)
shut down part of a full-duplex connection
From the original Amiga UNIX 2.1 manual. Some things it mentions may not be in this release.
Also by this name: shutdown(1M), System administration commands · shutdown(1B), BSD versions of commands
NAME
shutdown - shut down part of a full-duplex connection
SYNOPSIS
shutdown(s, how) int s, how;
DESCRIPTION
The shutdown() call shuts down all or part of a full-duplex connection on the socket associated with s. If how is 0, then further receives will be disallowed. If how is 1, then further sends will be disallowed. If how is 2, then further sends and receives will be disallowed.
RETURN VALUE
A 0 is returned if the call succeeds, -1 if it fails.
ERRORS
The call succeeds unless:
EBADF s is not a valid descriptor.
ENOTSOCK s is a file, not a socket.
ENOTCONN The specified socket is not connected.
ENOMEM There was insufficient user memory available for the operation to complete.
ENOSR There were insufficient STREAMS resources available for the operation to complete.
SEE ALSO
connect(3N), socket(3N).
NOTES
The how values should be defined constants.