Originální popis anglicky:
shutdown - shut down part of a full-duplex connection
Návod, kniha: Linux Programmer's Manual
int shutdown(int s, int how);
call causes all or part of a full-duplex connection on the
socket associated with s
to be shut down. If how
, further receptions will be disallowed. If how
, further transmissions will be disallowed. If how
, further receptions and transmissions will be disallowed.
On success, zero is returned. On error, -1 is returned, and errno
- s is not a valid descriptor.
- The specified socket is not connected.
- s is a file, not a socket.
The constants SHUT_RD, SHUT_WR, SHUT_RDWR have the value 0, 1, 2, respectively,
and are defined in <sys/socket.h>
4.4BSD (the shutdown
function call first appeared in 4.2BSD).