NAME
shutdown —
shut down part of a full-duplex
connection
SYNOPSIS
#include
<sys/socket.h>
int
shutdown(int
s, int how);
DESCRIPTION
Theshutdown()
call causes all or part of a full-duplex connection on the socket associated
with s to be shut down. If how is
0, further receives will be disallowed. If how is 1,
further sends will be disallowed. If how is 2, further
sends and receives will be disallowed.
DIAGNOSTICS
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.
SEE ALSO
HISTORY
The shutdown function call appeared in
4.2BSD.